pdf-as-lib maven project files moved to pdf-as-lib

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@926 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 0 insertions, 1575 deletions

diff --git a/src/main/java/at/knowcenter/wag/egov/egiz/PdfAS.java b/src/main/java/at/knowcenter/wag/egov/egiz/PdfAS.java
deleted file mode 100644
index c222259..0000000
--- a/src/main/java/at/knowcenter/wag/egov/egiz/PdfAS.java
+++ /dev/null
@@ -1,1575 +0,0 @@
-/**

- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>

- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a

- * joint initiative of the Federal Chancellery Austria and Graz University of

- * Technology.

- *

- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by

- * the European Commission - subsequent versions of the EUPL (the "Licence");

- * You may not use this work except in compliance with the Licence.

- * You may obtain a copy of the Licence at:

- * http://www.osor.eu/eupl/

- *

- * Unless required by applicable law or agreed to in writing, software

- * distributed under the Licence is distributed on an "AS IS" basis,

- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

- * See the Licence for the specific language governing permissions and

- * limitations under the Licence.

- *

- * This product combines work with different licenses. See the "NOTICE" text

- * file for details on the various modules and licenses.

- * The "NOTICE" text file is part of the distribution. Any derivative works

- * that you distribute must include a readable copy of the "NOTICE" text file.

- *

- * $Id: PdfAS.java,v 1.5 2006/10/31 08:04:50 wprinz Exp $

- */

-package at.knowcenter.wag.egov.egiz;

-

-import java.io.IOException;

-import java.io.InputStream;

-import java.util.ArrayList;

-import java.util.Collections;

-import java.util.Comparator;

-import java.util.Date;

-import java.util.List;

-import java.util.Properties;

-import java.util.Vector;

-

-import org.apache.commons.logging.Log;

-import org.apache.commons.logging.LogFactory;

-

-import at.gv.egiz.pdfas.api.analyze.NonTextObjectInfo;

-import at.gv.egiz.pdfas.api.commons.DynamicSignatureProfileImpl;

-import at.gv.egiz.pdfas.api.commons.SignatureInformation;

-import at.gv.egiz.pdfas.api.timestamp.TimeStamper;

-import at.gv.egiz.pdfas.api.verify.VerifyParameters;

-import at.gv.egiz.pdfas.api.xmldsig.ExtendedSignatureInformation;

-import at.gv.egiz.pdfas.api.xmldsig.XMLDsigData;

-import at.gv.egiz.pdfas.commandline.CommandlineConnectorChooser;

-import at.gv.egiz.pdfas.exceptions.ErrorCode;

-import at.gv.egiz.pdfas.exceptions.framework.CorrectorException;

-import at.gv.egiz.pdfas.framework.ConnectorParameters;

-import at.gv.egiz.pdfas.framework.input.PdfDataSource;

-import at.gv.egiz.pdfas.framework.input.correction.Corrector;

-import at.gv.egiz.pdfas.framework.input.correction.CorrectorFactory;

-import at.gv.egiz.pdfas.framework.output.DataSink;

-import at.gv.egiz.pdfas.framework.signator.SignatorInformation;

-import at.gv.egiz.pdfas.impl.api.commons.PdfDataSourceAdapter;

-import at.gv.egiz.pdfas.impl.input.ByteArrayPdfDataSourceImpl;

-import at.gv.egiz.pdfas.impl.input.helper.DataSourceHelper;

-import at.gv.egiz.pdfas.utils.PDFASUtils;

-import at.knowcenter.wag.egov.egiz.cfg.OverridePropertyHolder;

-import at.knowcenter.wag.egov.egiz.cfg.SettingsReader;

-import at.knowcenter.wag.egov.egiz.exceptions.ConnectorException;

-import at.knowcenter.wag.egov.egiz.exceptions.ConnectorFactoryException;

-import at.knowcenter.wag.egov.egiz.exceptions.NormalizeException;

-import at.knowcenter.wag.egov.egiz.exceptions.PDFDocumentException;

-import at.knowcenter.wag.egov.egiz.exceptions.PresentableException;

-import at.knowcenter.wag.egov.egiz.exceptions.SettingsException;

-import at.knowcenter.wag.egov.egiz.exceptions.SignatureException;

-import at.knowcenter.wag.egov.egiz.exceptions.SignatureTypesException;

-import at.knowcenter.wag.egov.egiz.framework.FoundBlock;

-import at.knowcenter.wag.egov.egiz.framework.FoundKey;

-import at.knowcenter.wag.egov.egiz.pdf.AbsoluteTextSignature;

-import at.knowcenter.wag.egov.egiz.pdf.BinarySignatureHolder;

-import at.knowcenter.wag.egov.egiz.pdf.ObjectExtractor;

-import at.knowcenter.wag.egov.egiz.pdf.PDFSignatureCreation;

-import at.knowcenter.wag.egov.egiz.pdf.PDFSignatureObject;

-import at.knowcenter.wag.egov.egiz.pdf.PDFUtilities;

-import at.knowcenter.wag.egov.egiz.pdf.PositioningInstruction;

-import at.knowcenter.wag.egov.egiz.pdf.SignatureHolder;

-import at.knowcenter.wag.egov.egiz.pdf.TablePos;

-import at.knowcenter.wag.egov.egiz.pdf.TextualSignature;

-import at.knowcenter.wag.egov.egiz.pdf.TextualSignatureHolder;

-import at.knowcenter.wag.egov.egiz.sig.SignatureData;

-import at.knowcenter.wag.egov.egiz.sig.SignatureDataImpl;

-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;

-import at.knowcenter.wag.egov.egiz.sig.SignatureResponse;

-import at.knowcenter.wag.egov.egiz.sig.SignatureTypeDefinition;

-import at.knowcenter.wag.egov.egiz.sig.SignatureTypes;

-import at.knowcenter.wag.egov.egiz.sig.connectors.Connector;

-import at.knowcenter.wag.egov.egiz.sig.connectors.ConnectorChooser;

-import at.knowcenter.wag.egov.egiz.sig.connectors.bku.SignSignatureObject;

-import at.knowcenter.wag.egov.egiz.sig.signatureobject.SignatureObjectHelper;

-import at.knowcenter.wag.egov.egiz.tools.Normalizer;

-import at.knowcenter.wag.exactparser.ParseDocument;

-import at.knowcenter.wag.exactparser.parsing.PDFUtils;

-import at.knowcenter.wag.exactparser.parsing.results.HeaderParseResult;

-

-import com.lowagie.text.Rectangle;

-import com.lowagie.text.pdf.PdfPTable;

-import com.lowagie.text.pdf.PdfReader;

-

-/**

- * This class contains the major methods used by both, the commandline and the

- * webapp, to perform signation and verification.

- *

- * @author wprinz

- * @author mruhmer

- */

-public abstract class PdfAS

-{

-//23.11.2010 changed by exthex - added method: verifyExtendedSignatureHolders(List extended_signature_info, String connectorType, boolean returnHashInputData, Date verificationTime)

-

-  /**

-   * The current version of the pdf-as library. This version string is logged on every invocation

-   * of the api or the web application.

-   */

-  public static final String PDFAS_VERSION = "3.2";

-

-  /**

-   * The key of the strict mode setting.

-   */

-  public static final String STRICT_MODE_KEY = "strict_mode";

-

-  /**

-   * The left/right border.

-   */

-  public static final float SIGNATURE_BORDER = 100f;

-

-  /**

-   * The top/bottom border.

-   */

-  public static final float SIGNATURE_MARGIN = 20f;

-

-  /**

-   * The Mime Type of a PDF document.

-   */

-  public static final String PDF_MIME_TYPE = "application/pdf";

-

-  public static final String CORRECT_DOCUMENT_IF_NECESSARY_KEY = "correct_document_if_necessary";

-

-  /**

-   * The logger definition.

-   */

-  private static final Log log = LogFactory.getLog(PdfAS.class);

-

-  /**

-   * Tells, if strict PDF checking the PDF version is enabled.

-   *

-   * @return Returns true, if incoming PDFs should be checked strictly.

-   */

-  public static boolean isStrictPdfChecking()

-  {

-    try

-    {

-      SettingsReader settings = SettingsReader.getInstance();

-      String strict_mode = settings.getSetting(STRICT_MODE_KEY, "false");

-      if (strict_mode.equals("true"))

-      {

-        return true;

-      }

-    }

-    catch (SettingsException e)

-    {

-      log.error(e.getMessage(), e);

-    }

-    return false;

-  }

-

-  /**

-   * Checks the version of the given PDF to be 1.4 or lower.

-   *

-   * <p>

-   * This scans the first 1000 bytes of the PDF for the pdf Header.

-   * </p>

-   *

-   * @param pdfDataSource

-   *          The PDF.

-   * @return Returns true, if the given PDF is strict 1.4, false otherwise.

-   * @throws PDFDocumentException

-   *           Forwarded exception.

-   */

-  public static boolean isPdf14(PdfDataSource pdfDataSource) throws PDFDocumentException

-  {

-    try

-    {

-      byte[] firstBytes = new byte[1000];

-      InputStream is = pdfDataSource.createInputStream();

-      is.read(firstBytes);

-      is.close();

-

-      HeaderParseResult hpr = PDFUtils.parseHeader(firstBytes, 0);

-

-      if (hpr.major <= 1 && hpr.minor <= 4)

-      {

-        return true;

-      }

-      return false;

-    }

-    catch (Exception e)

-    {

-      throw new PDFDocumentException(201, e);

-    }

-  }

-

-  /**

-   * Applies strict version mode on the PDF and throws an exception, if the pdf

-   * is not 1.4.

-   *

-   * <p>

-   * Furthermore (independently of strict mode) the PDF is checked for

-   * parsability.

-   * </p>

-   *

-   * @param pdfDataSource

-   *          The pdf to be checked against strict mode.

-   * @throws PDFDocumentException

-   * @throws SettingsException

-   * @throws CorrectorException

-   */

-  public static PdfDataSource applyStrictMode(PdfDataSource pdfDataSource) throws PDFDocumentException, SettingsException, CorrectorException

-  {

-    if (isStrictPdfChecking())

-    {

-      if (!isPdf14(pdfDataSource))

-      {

-        throw new PDFDocumentException(201, "StrictMode: The pdf version is not 1.4 or lower.");

-      }

-    }

-    try

-    {

-      byte[] pdf = DataSourceHelper.convertDataSourceToByteArray(pdfDataSource);

-      ParseDocument.parseDocument(pdf);

-    }

-    catch (Exception e)

-    {

-      log.debug("Error while parsing Document.", e);

-

-      boolean tryToCorrect = SettingsReader.getInstance().getSetting(CORRECT_DOCUMENT_IF_NECESSARY_KEY, "false").equals("true");

-      if (!tryToCorrect)

-      {

-        throw new PDFDocumentException(201, e);

-      }

-      log.info("Correcting document...");

-      Corrector cor = CorrectorFactory.createCorrector();

-      PdfDataSource correctedDS = cor.correctDocument(pdfDataSource);

-      log.info("Correction finished.");

-

-      return correctedDS;

-    }

-

-    return pdfDataSource;

-  }

-

-  public static at.gv.egiz.pdfas.api.io.DataSource applyStrictMode (at.gv.egiz.pdfas.api.io.DataSource dataSource) throws PDFDocumentException, SettingsException, CorrectorException

-  {

-    if (dataSource.getMimeType().equals("application/pdf"))

-    {

-      PdfDataSource pdfDS = new PdfDataSourceAdapter(dataSource);

-      PdfDataSource correctedDS = applyStrictMode(pdfDS);

-      if (correctedDS != pdfDS)

-      {

-        return new at.gv.egiz.pdfas.impl.api.commons.DataSourceApiAdapter(correctedDS);

-      }

-    }

-    return dataSource;

-  }

-

-  // TODO: unused method - remove

-  // /**

-  // * Verifies the given PDF document.

-  // *

-  // * @param pdf

-  // * The PDF document.

-  // * @param connector

-  // * The connector.

-  // * @return Returns the List of results.

-  // * @throws PresentableException

-  // * Forwarded exception.

-  // */

-  // public static List verifyPdf(final byte[] pdf, final String connector)

-  // throws PresentableException

-  // {

-  // VerificationFilter vf = new VerificationFilter();

-  // List signature_holders = vf.extractSignaturesFromPdf(pdf);

-  // if (signature_holders.isEmpty())

-  // {

-  // throw new PDFDocumentException(206);

-  // }

-  //

-  // List results = verifySignatureHolders(signature_holders, connector);

-  //

-  // return results;

-  // }

-

-  // TODO: unused method - remove

-  // /**

-  // * Verifies the given text that is supposed to be extracted from a PDF

-  // * document using text extraction mechanisms.

-  // *

-  // * @param text

-  // * The text to be verified.

-  // * @param connector

-  // * The connecor.

-  // * @return Returns the List of results.

-  // * @throws PresentableException

-  // * Forwarded exception.

-  // */

-  // public static List verifyText(final String text, final String connector)

-  // throws PresentableException

-  // {

-  // VerificationFilter vf = new VerificationFilter();

-  // List signature_holders = vf.extractSignaturesFromPlainText(text);

-  // if (signature_holders.isEmpty())

-  // {

-  // throw new PDFDocumentException(206);

-  // }

-  //

-  // List results = verifySignatureHolders(signature_holders, connector);

-  //

-  // return results;

-  // }

-

-  /**

-   * Extracts all signature blocks from the given raw text using textual mode.

-   *

-   * @param raw_text

-   *          The raw text.

-   * @return Returns a List of all SignatureHolders extracted from the text.

-   * @throws PDFDocumentException

-   *           F.e.

-   * @throws SignatureException

-   *           F.e.

-   * @throws SignatureTypesException

-   * @throws NormalizeException

-   */

-  public static List extractSignatureHoldersTextual(String raw_text, boolean old_style) throws PDFDocumentException, SignatureException, SignatureTypesException, NormalizeException

-  {

-    List signature_holders = new ArrayList();

-

-    String text = raw_text;

-    for (;;)

-    {

-      TextualSignatureHolder holder = extractSignatureHolderTextual(text, old_style);

-      if (holder == null)

-      {

-        break;

-      }

-      {

-        log.debug("Found holder: " + holder.getSignatureObject().getSignationType());

-      }

-      signature_holders.add(0, holder);

-

-      text = holder.getSignedText();

-    }

-

-    return signature_holders;

-  }

-

-  /**

-   * Extracts the last signature holder from the given text.

-   *

-   * @param raw_text

-   * @param old_style

-   * @return Returns the found singature holder, or null, if none could be

-   *         found.

-   * @throws SignatureException

-   * @throws SignatureTypesException

-   * @throws NormalizeException

-   */

-  public static TextualSignatureHolder extractSignatureHolderTextual(String raw_text, boolean old_style) throws SignatureException, SignatureTypesException, NormalizeException

-  {

-    List signatureTypes_ = AbsoluteTextSignature.getSignatureTypesForTextAnalysis();

-

-    List found_blocks = new ArrayList();

-    for (int cur_type = 0; cur_type < signatureTypes_.size(); cur_type++)

-    {

-      SignatureTypeDefinition cur_std = (SignatureTypeDefinition) signatureTypes_.get(cur_type);

-

-      List found_keys = findBlockInText(raw_text, cur_std, old_style);

-      if (found_keys != null)

-      {

-        FoundBlock found_block = new FoundBlock();

-        found_block.found_keys = found_keys;

-        found_block.end_index = raw_text.length();

-        found_block.std = cur_std;

-        found_blocks.add(found_block);

-      }

-    }

-

-    List last_most_blocks = sortOutEarlyBlocks(found_blocks);

-

-    List minimum_blocks = sortOutLargeBlocks(last_most_blocks);

-

-    if (minimum_blocks.size() > 1)

-    {

-      log.debug("There are still " + minimum_blocks.size() + " candidates:");

-

-      for (int i = 0; i < minimum_blocks.size(); i++)

-      {

-        FoundBlock fb = (FoundBlock) minimum_blocks.get(i);

-        log.debug("  fb: " + fb.std.getType());

-      }

-

-      log.debug("... checking for Semantic Equality.");

-    }

-

-    boolean semantic_equality = checkForSemanticEquality(minimum_blocks);

-

-    if (minimum_blocks.size() > 1)

-    {

-      log.debug("... Semantic Equality = " + semantic_equality);

-    }

-

-    if (!semantic_equality)

-    {

-      throw new SignatureException(ErrorCode.NOT_SEMANTICALLY_EQUAL, "The found blocks are not semantically equal.");

-    }

-

-    if (!minimum_blocks.isEmpty())

-    {

-      FoundBlock actual_block = (FoundBlock) minimum_blocks.get(0);

-

-      String signed_text = raw_text.substring(0, actual_block.getFirstKey().start_index);

-

-      SignatureObject signatureObject_ = new SignatureObject();

-      signatureObject_.setSigType(actual_block.std.getType());

-      signatureObject_.initByType();

-

-      int end_index = actual_block.end_index;

-      for (int i = 0; i < actual_block.found_keys.size(); i++)

-      {

-        FoundKey cur_key = (FoundKey) actual_block.found_keys.get(i);

-        int start_index = cur_key.getStartIndex() + cur_key.caption.length();

-

-        String value = raw_text.substring(start_index, end_index);

-

-        signatureObject_.setSigValueCaption(cur_key.getKey(), value, cur_key.caption);

-

-        end_index = cur_key.getStartIndex();

-      }

-

-      // this normalization is required to get rid of possible trailing

-      // newlines.

-      String normalized_text = normalizeText(signed_text);

-      TextualSignatureHolder holder = new TextualSignatureHolder(normalized_text, signatureObject_);

-      return holder;

-    }

-

-    return null;

-  }

-

-  /**

-   * Tries to find a block of the given type in the text.

-   *

-   * @param text

-   *          The text.

-   * @param sig_type_def

-   *          The type of the block.

-   * @param old_style

-   *          Tells, if the block is old style (SIG_KZ will be ignored), or if

-   *          it is a new block.

-   * @return Returns a List of the found keys of the block, or null, if the

-   *         block could not be found.

-   */

-  public static List findBlockInText(String text, SignatureTypeDefinition sig_type_def, boolean old_style)

-  {

-    Vector keys = sig_type_def.getRevertSortedKeys();

-    Vector captions = sig_type_def.getRevertSortedCaptions();

-

-    int last_index = text.length();

-    List found_keys = new ArrayList();

-    for (int key_idx = 0; key_idx < keys.size(); key_idx++)

-    {

-      String key = (String) keys.get(key_idx);

-      // logger_.debug("Key="+key);

-      if (old_style && key.equals(SignatureTypes.SIG_KZ))

-      {

-        // If separating the old style way - skip The "Kennzeichnung"

-        // key, because it wasn't present in old profiles.

-        continue;

-      }

-

-      String caption = (String) captions.get(key_idx);

-

-      // int found_index = text.lastIndexOf(caption);

-      // we're searching for captions that start at the beginning of the line.

-      int found_index = text.lastIndexOf("\n" + caption) + 1;// text.lastIndexOf("\n"

-      // + caption) + 1;

-      // // the +1

-      // text.lastIndexOf(caption)

-      // + 1; //

-      // compensates the

-      // \n

-      if (found_index == 0)

-      {

-        // try without /n

-        found_index = text.lastIndexOf(caption);

-

-        //  fix #331 here ??

-      }

-      log.debug("found key:" + caption + " at index:" + found_index);

-      if (key.equals(SignatureTypes.SIG_ID))

-      {

-        if (found_index < 0 || found_index >= last_index)

-        {

-          // not found, SIG_ID is not required

-          continue;

-        }

-        FoundKey fk = new FoundKey(key, caption, found_index);

-        found_keys.add(fk);

-      }

-      else

-      {

-        if (found_index < 0 || found_index >= last_index)

-        {

-          // one key is not found - the profile doesn't match.

-          return null;

-        }

-

-        FoundKey fk = new FoundKey(key, caption, found_index);

-        found_keys.add(fk);

-        last_index = found_index;

-      }

-    }

-

-    sortFoundKeysDescendingly(found_keys);

-

-    boolean matched = checkThatOrderIsCorrectAndCorrectFoundKeys(found_keys, keys, old_style);

-    // boolean found_required = checkFoundRequiredKeys(found_keys, old_style);

-    // logger_.debug("KKKKKKKKKKmatched="+matched);

-    if (matched)

-    {

-      return found_keys;

-    }

-    return null;

-  }

-

-  /**

-   * Sorts the FoundKeys List descendingly according to the start indices of the

-   * found keys (the first found key in the list will have the highest start

-   * index, the second one the second highest and so forth).

-   *

-   * @param found_keys

-   *          The List of FoundKey objects to be sorted.

-   */

-  public static void sortFoundKeysDescendingly(List found_keys)

-  {

-    // sort the found_keys according to their start pos reversely.

-

-    Collections.sort(found_keys, new Comparator() {

-      public int compare(Object arg0, Object arg1)

-      {

-        FoundKey fk0 = (FoundKey) arg0;

-        FoundKey fk1 = (FoundKey) arg1;

-        // sort reversely!

-        return fk1.start_index - fk0.start_index;

-      }

-    });

-  }

-

-  /**

-   * Sorts the FoundKeys List ascendingly according to the start indices of the

-   * found keys (the first found key in the list will have the lowest start

-   * index, the second one the second lowest and so forth).

-   *

-   * @param found_keys

-   *          The List of FoundKey objects to be sorted.

-   */

-  public static void sortFoundKeysAscendingly(List found_keys)

-  {

-    // sort the found_keys according to their start pos.

-

-    Collections.sort(found_keys, new Comparator() {

-      public int compare(Object arg0, Object arg1)

-      {

-        FoundKey fk0 = (FoundKey) arg0;

-        FoundKey fk1 = (FoundKey) arg1;

-        return fk0.start_index - fk1.start_index;

-      }

-    });

-  }

-

-  /**

-   * Checks that the found keys are in correct order regarding SIG_ID as

-   * optional key.

-   *

-   * <p>

-   * If the SIG_ID key is misplaced, it will be removed from the found keys

-   * list.

-   * </p>

-   *

-   * @param found_keys

-   *          The found keys ordered descendingly to their start position

-   * @param profile_keys

-   *          The profile keys.

-   * @param old_style

-   *          Tells, if SIG_KZ should be ignored, or not.

-   * @return Returns true, if the keys are correct.

-   */

-  public static boolean checkThatOrderIsCorrectAndCorrectFoundKeys(List found_keys, List profile_keys, boolean old_style)

-  {

-

-    int found_index = 0;

-    for (int profile_index = 0; profile_index < profile_keys.size(); profile_index++)

-    {

-      String key = (String) profile_keys.get(profile_index);

-

-      if (old_style && key.equals(SignatureTypes.SIG_KZ))

-      {

-        continue;

-      }

-

-      FoundKey found_key = (FoundKey) found_keys.get(found_index);

-

-      boolean match = key.equals(found_key.getKey());

-      if (match)

-      {

-        found_index++;

-        continue;

-      }

-

-      if (key.equals(SignatureTypes.SIG_ID))

-      {

-        continue;

-      }

-

-      // doesn't match

-      return false;

-    }

-

-    // remove all fields above the found_index - they are not correctly matched

-    // indices (should be only the ID

-    int size = found_keys.size();

-    for (int i = found_index; i < size; i++)

-    {

-      // this removes all (size - found_index) objects above found_index

-      found_keys.remove(found_index);

-    }

-

-    return true;

-  }

-

-  /**

-   * Sorts out early blocks and leaves only those at the bottom of the text.

-   *

-   * @param found_blocks

-   *          The found blocks.

-   * @return Returns a list of the last blocks.

-   */

-  public static List sortOutEarlyBlocks(List found_blocks)

-  {

-    int last_most_index = Integer.MIN_VALUE;

-

-    List last_most_blocks = new ArrayList();

-    for (int block_index = 0; block_index < found_blocks.size(); block_index++)

-    {

-      FoundBlock block = (FoundBlock) found_blocks.get(block_index);

-

-      int this_last_index = block.getLastKey().start_index;

-      if (this_last_index < last_most_index)

-      {

-        // this block cannot be the last most block.

-        continue;

-      }

-      if (this_last_index == last_most_index)

-      {

-        last_most_blocks.add(block);

-        continue;

-      }

-      if (this_last_index > last_most_index)

-      {

-        last_most_blocks = new ArrayList();

-        last_most_blocks.add(block);

-        last_most_index = this_last_index;

-      }

-    }

-

-    return last_most_blocks;

-  }

-

-  /**

-   * Sorts out large blocks.

-   *

-   * @param found_blocks

-   *          The found blocks.

-   * @return Returns a list of the smallest blocks.

-   */

-  public static List sortOutLargeBlocks(List found_blocks)

-  {

-    int last_min_size = Integer.MAX_VALUE;

-

-    List min_size_blocks = new ArrayList();

-    for (int block_index = 0; block_index < found_blocks.size(); block_index++)

-    {

-      FoundBlock block = (FoundBlock) found_blocks.get(block_index);

-

-      int size = block.getSize();

-

-      if (size > last_min_size)

-      {

-        // this block is larger

-        continue;

-      }

-      if (size == last_min_size)

-      {

-        min_size_blocks.add(block);

-        continue;

-      }

-      if (size < last_min_size)

-      {

-        min_size_blocks = new ArrayList();

-        min_size_blocks.add(block);

-        last_min_size = size;

-      }

-    }

-

-    return min_size_blocks;

-  }

-

-  /**

-   * Checks the list of blocks for semantic equality.

-   *

-   * @param found_blocks

-   *          The list of found blocks.

-   * @return Returns true if all blocks are semantically equal.

-   */

-  public static boolean checkForSemanticEquality(List found_blocks)

-  {

-    if (found_blocks.size() <= 1)

-    {

-      return true;

-    }

-

-    for (int block_index = 0; block_index < found_blocks.size() - 1; block_index++)

-    {

-      FoundBlock first_block = (FoundBlock) found_blocks.get(block_index);

-      FoundBlock second_block = (FoundBlock) found_blocks.get(block_index + 1);

-

-      if (!first_block.isSemanticallyEqual(second_block))

-      {

-        return false;

-      }

-    }

-

-    return true;

-  }

-

-  public static int getIndexOfFoundKey(List found_keys, String key)

-  {

-    for (int i = 0; i < found_keys.size(); i++)

-    {

-      FoundKey fk = (FoundKey) found_keys.get(i);

-      if (fk.getKey().equals(key))

-      {

-        return i;

-      }

-    }

-    return -1;

-  }

-

-  public static boolean containsFoundKey(List found_keys, String key)

-  {

-    return getIndexOfFoundKey(found_keys, key) >= 0;

-  }

-

-  /**

-   * Checks the found keys for the required keys regarding the old style.

-   *

-   * @param found_keys

-   *          The found keys.

-   * @param old_style

-   *          Flag that tells, if KZ is not required.

-   * @return Returns true, if all required keys were found.

-   */

-  public static boolean checkFoundRequiredKeys(List found_keys, boolean old_style)

-  {

-    if (!containsFoundKey(found_keys, SignatureTypes.SIG_DATE))

-    {

-      return false;

-    }

-    if (!containsFoundKey(found_keys, SignatureTypes.SIG_ISSUER))

-    {

-      return false;

-    }

-    if (!containsFoundKey(found_keys, SignatureTypes.SIG_NUMBER))

-    {

-      return false;

-    }

-    if (!containsFoundKey(found_keys, SignatureTypes.SIG_VALUE))

-    {

-      return false;

-    }

-    if (!old_style && !containsFoundKey(found_keys, SignatureTypes.SIG_KZ))

-    {

-      return false;

-    }

-    return true;

-  }

-

-  public static List verifySignatureHolders(List signature_holders, String connectorType, boolean returnHashInputData, Date verificationTime) throws PDFDocumentException, NormalizeException, SignatureException, ConnectorException, ConnectorFactoryException

-  {

-    List results = new ArrayList();

-    for (int i = 0; i < signature_holders.size(); i++)

-    {

-      SignatureHolder holder = (SignatureHolder) signature_holders.get(i);

-

-      // logger_.debug();

-      // logger_.debug();

-      // logger_.debug("Verifying Holder " + i + "...");

-      // logger_.debug("holder[" + i + "].signed_text = " +

-      // holder.signed_text);

-      // logger_.debug("holder[" + i + "].sig_obj = ");

-      // logger_.debug("holder[" + i + "].type = " +

-      // (holder.signature_object.isTextual() ? "textual" : "binary"));

-      // logger_.debug(holder.signature_object.toString());

-

-      SignatureResponse result = verify(holder, connectorType, returnHashInputData, verificationTime, null);

-      results.add(result);

-

-      // logger_.debug();

-      // logger_.debug("check[" + i + "].cert = " +

-      // result.getCertificateCheckInfo());

-      // logger_.debug("check[" + i + "].sig = " +

-      // result.getSignatureCheckInfo().trim());

-      // logger_.debug("check[" + i + "].manifest = " +

-      // result.getSignatureManifestCheckInfo());

-      // logger_.debug();

-    }

-    return results;

-  }

-

-  /**

-   * Verify a list of signatures

-   *

-   * @param extended_signature_info a list of {@link ExtendedSignatureInformation} to be verified

-   * @param connectorType the connector to use for verification

-   * @param returnHashInputData

-   * @param verificationTime

-   * @param verifySignatureAtIndex only verify the signature at the given index in the extended_signature_info list. A value < 0 means to verify all signatures in the list.

-   * @return a list of {@link SignatureResponse}s

-   * @throws PDFDocumentException

-   * @throws NormalizeException

-   * @throws SignatureException

-   * @throws ConnectorException

-   * @throws ConnectorFactoryException

-   */

-  public static List verifyExtendedSignatureHolders(List extended_signature_info, String connectorType, boolean returnHashInputData, Date verificationTime, int verifySignatureAtIndex) throws PDFDocumentException, NormalizeException, SignatureException, ConnectorException, ConnectorFactoryException

-  {

-    List results = new ArrayList();

-    for (int i = 0; i < extended_signature_info.size(); i++)

-    {

-      if (verifySignatureAtIndex < 0 || verifySignatureAtIndex == i)

-      {

-        ExtendedSignatureInformation sigInfo = (ExtendedSignatureInformation) extended_signature_info.get(i);

-        SignatureInformation si = sigInfo.getSignatureInformation();

-        SignatureHolder holder = (SignatureHolder) si.getInternalSignatureInformation();

-

-        SignatureResponse result = verify(holder, connectorType, returnHashInputData, verificationTime, sigInfo.getXmlDsigData());

-        results.add(result);

-      }

-    }

-    return results;

-  }

-

-  /**

-   * Verifies a SignatureHolder using the given connector.

-   *

-   * @param signature_holder

-   *          The SignatureHolder to be verified.

-   * @param connector

-   *          The connector.

-   * @return Returns the SignatureResponse object.

-   * @throws NormalizeException

-   *           F.e.

-   * @throws PDFDocumentException

-   *           F.e.

-   * @throws SignatureException

-   *           F.e.

-   * @throws ConnectorException

-   * @throws ConnectorFactoryException

-   */

-  public static SignatureResponse verify(SignatureHolder signature_holder, String connectorType, boolean returnHashInputData, Date verificationTime, XMLDsigData dsig) throws NormalizeException, PDFDocumentException, SignatureException, ConnectorException, ConnectorFactoryException

-  {

-    // String text_to_be_verified = signature_holder.getSignedText();

-    // logger_.debug("verify text_to_be_verified"+text_to_be_verified);

-    SignatureObject so_to_be_verified = signature_holder.getSignatureObject();

-

-    // if (text_to_be_verified == null)

-    // {

-    // throw new SignatureException(311, "Document can not be verified because

-    // the text to be verified is either null.");

-    // }

-    // if (text_to_be_verified.length() <= 0)

-    // {

-    // throw new SignatureException(311, "Document can not be verified because

-    // the length of the text to be verified is 0. (length = " +

-    // text_to_be_verified.length() + ")");

-    // }

-

-    if (so_to_be_verified == null)

-    {

-      throw new SignatureException(312, "Document can not be verified because no signature object are set.");

-    }

-

-    // fixed by tknall

-    if (so_to_be_verified.getX509Cert() == null)

-    {

-      throw new SignatureException(ErrorCode.CERTIFICATE_NOT_FOUND, "Document certificate is not defined.");

-    }

-

-    SignSignatureObject so = SignatureObjectHelper.convertSignatureObjectToSignSignatureObject(so_to_be_verified);

-    SignatureData sd = convertSignatureHolderToSignatureData(signature_holder);

-

-    String profile = so_to_be_verified.getSignatureTypeDefinition().getType();

-//    Connector c = ConnectorChooser.chooseCommandlineConnectorForVerify(connector, so_to_be_verified.getKZ(), so.id, profile);

-    String connectorId = CommandlineConnectorChooser.chooseCommandlineConnectorForVerify(connectorType, so_to_be_verified.getKZ(), so.id, profile);

-

-    ConnectorParameters cp = new ConnectorParameters();

-    cp.setProfileId(profile);

-    cp.setReturnHashInputData(returnHashInputData);

-    cp.setVerificationTime(verificationTime);

-    Connector c = at.gv.egiz.pdfas.framework.ConnectorFactory.createConnector(connectorId, cp);

-

-    return executeVerify(dsig, so, sd, c);

-  }

-

-   private static SignatureResponse executeVerify(XMLDsigData dsig, SignSignatureObject so,

-         SignatureData sd, Connector c) throws ConnectorException {

-      SignatureResponse res = null;

-       try {

-         return c.doVerify(sd, so, dsig);

-       } catch (ConnectorException e) {

-          if (VerifyParameters.isSuppressVerifyExceptions()) {

-             res = new SignatureResponse();

-             res.setVerificationImpossibleEx(e);

-          } else {

-             throw e;

-          }

-       }

-       return res;

-   }

-

-  public static SignatureResponse verifyWeb(SignatureHolder signature_holder, String connector, String loc_ref) throws NormalizeException, PDFDocumentException, SignatureException, ConnectorException

-  {

-    // String text_to_be_verified = signature_holder.getSignedText();

-    // logger_.debug("verify text_to_be_verified"+text_to_be_verified);

-    SignatureObject so_to_be_verified = signature_holder.getSignatureObject();

-

-    // if (text_to_be_verified == null)

-    // {

-    // throw new SignatureException(311, "Document can not be verified because

-    // the text to be verified is either null.");

-    // }

-    // if (text_to_be_verified.length() <= 0)

-    // {

-    // throw new SignatureException(311, "Document can not be verified because

-    // the length of the text to be verified is 0. (length = " +

-    // text_to_be_verified.length() + ")");

-    // }

-

-    if (so_to_be_verified == null)

-    {

-      throw new SignatureException(312, "Document can not be verified because no signature object are set.");

-    }

-

-    // added by tknall

-    if (so_to_be_verified.getX509Cert() == null)

-    {

-      throw new SignatureException(ErrorCode.CERTIFICATE_NOT_FOUND, "Document certificate is not defined.");

-    }

-

-

-    SignSignatureObject so = SignatureObjectHelper.convertSignatureObjectToSignSignatureObject(so_to_be_verified);

-    SignatureData sd = convertSignatureHolderToSignatureData(signature_holder);

-

-    String profile = so_to_be_verified.getSignatureTypeDefinition().getType();

-    Connector c = ConnectorChooser.chooseWebConnectorForVerify(connector, so_to_be_verified.getKZ(), so.id, profile, loc_ref);

-

-    return executeVerify(null, so, sd, c);

-

-  }

-

-  public static SignatureData convertSignatureHolderToSignatureData(SignatureHolder signature_holder)

-  {

-    SignatureData sd = null;

-    if (signature_holder instanceof BinarySignatureHolder)

-    {

-      BinarySignatureHolder bsh = (BinarySignatureHolder) signature_holder;

-      sd = new SignatureDataImpl(bsh.getDataSource(), "application/pdf");

-    }

-    else

-    {

-      TextualSignatureHolder tsh = (TextualSignatureHolder)signature_holder;

-      sd = new SignatureDataImpl(tsh.getDataSource(), "text/plain", "UTF-8");

-    }

-    return sd;

-  }

-

-  /**

-   * Signs the given text with the provided connector using the given signature

-   * type.

-   *

-   * @param data_to_sign

-   *          The data to be signed.

-   * @param signature_type

-   *          The type of the signature.

-   * @param connector

-   *          The connector.

-   * @return Returns the corresponding SignatureObject.

-   * @throws SignatureException

-   *           F.e.

-   * @throws PDFDocumentException

-   *           F.e.

-   * @throws ConnectorException

-   */

-  public static SignSignatureObject sign(final SignatureData data_to_sign, final Connector connector, final TimeStamper timeStamper) throws SignatureException, PDFDocumentException, ConnectorException

-  {

-//    if (data_to_sign == null || data_to_sign.getData() == null)

-//    {

-//      throw new SignatureException(301, "Signature can not be produced. Data is null."); //$NON-NLS-1$

-//    }

-    // if (data_to_sign.getData().length <= 0)

-    // {

-    // throw new SignatureException(301, "Signature can not be produced. Data is

-    // empty. (length = " + data_to_sign.getData().length + ")"); //$NON-NLS-1$

-    // //$NON-NLS-2$

-    // }

-

-    SignSignatureObject signed_signature_object = connector.doSign(data_to_sign);

-

-    // call timestamper if available

-    if (timeStamper != null) {

-       log.debug("execute timestamping with stamper: " + timeStamper.getClass());

-       signed_signature_object.sigTimeStamp = timeStamper.applyTimeStamp(signed_signature_object.getSignatureValue());

-    }

-

-    return signed_signature_object;

-  }

-

-  /**

-   * Helper method that creates a SignatureObject and initializes it with the

-   * given type.

-   *

-   * @param signature_type

-   *          The type.

-   * @return Returns the created SignatureObject.

-   * @throws SignatureException

-   *           f.e.

-   * @throws SignatureTypesException

-   *           f.e.

-   */

-  public static SignatureObject createSignatureObjectFromType(final String signature_type) throws SignatureException, SignatureTypesException

-  {

-    SignatureObject sig_obj = new SignatureObject();

-    sig_obj.setSigType(signature_type);

-    sig_obj.initByType();

-

-    return sig_obj;

-  }

-

-//  /**

-//   * @deprecated moved to Main.processSign use signCommandline instead

-//   * @param pdfDataSource

-//   * @param dataSink

-//   * @param signatorId

-//   * @param connectorType

-//   * @param profile

-//   * @param pos

-//   * @throws PresentableException

-//   */

-//  public static void sign(PdfDataSource pdfDataSource, DataSink dataSink, PdfASID signatorId, final String connectorType, final String profile, TablePos pos) throws PresentableException

-//  {

-////    //Signator signator = SignatorFactory.createSignator(algorithm);

-////    at.gv.egiz.pdfas.framework.signator.Signator signator = at.gv.egiz.pdfas.framework.SignatorFactory.createSignator(algorithm);

-////

-////    //IncrementalUpdateInformation iui = signator.prepareSign(pdfDataSource, signature_type, pos, ConnectorFactory.needsSIG_ID(connector));

-////    SignatorInformation si = signator.prepareSign(pdfDataSource, signature_type, pos, ConnectorFactory.needsSIG_ID(connector));

-//

-//    // Connector c = ConnectorChooser.chooseCommandlineConnectorForSign(connector, signature_type);

-//

-////    SignSignatureObject sso = sign(si.getSignatureData(), c);

-////

-////    si.setSignSignatureObject(sso);

-////

-////    signator.finishSign(si, dataSink);

-//

-//    String connectorId = CommandlineConnectorChooser.chooseCommandlineConnectorForSign(connectorType);

-//

-//    signCommandline(pdfDataSource, dataSink, signatorId, connectorId, profile, pos);

-//  }

-

-  public static SignatorInformation signCommandline(PdfDataSource pdfDataSource, DataSink dataSink, PdfASID signatorId, String connectorId, final String profile, final String signatureKeyIdentifier, TablePos pos, TimeStamper timeStamper, Properties overrideProps) throws PresentableException

-  {

-    try {

-      at.gv.egiz.pdfas.framework.signator.Signator signator = at.gv.egiz.pdfas.framework.SignatorFactory.createSignator(signatorId);

-       if (overrideProps != null) {

-          OverridePropertyHolder.setOverrideProps(overrideProps);

-       }

-

-       ConnectorParameters cp = new ConnectorParameters();

-       cp.setProfileId(profile);

-       cp.setSignatureKeyIdentifier(signatureKeyIdentifier);

-       Connector c = at.gv.egiz.pdfas.framework.ConnectorFactory.createConnector(connectorId, cp);

-

-       // SignatorInformation si = signator.prepareSign(pdfDataSource, profile, pos, ConnectorFactory.needsSIG_ID(connector));

-       SignatorInformation si = signator.prepareSign(pdfDataSource, profile, pos, timeStamper);

-

-       SignSignatureObject sso = sign(si.getSignatureData(), c, timeStamper);

-

-       si.setSignSignatureObject(sso);

-

-       signator.finishSign(si, dataSink);

-

-       return si;

-   } finally {

-      OverridePropertyHolder.removeProperties();

-      DynamicSignatureProfileImpl.disposeLocalProfile();

-   }

-  }

-

-  public static SignatorInformation signCommandline(PdfDataSource pdfDataSource, DataSink dataSink, PdfASID signatorId, String connectorId, final String profile, TablePos pos) throws PresentableException {

-     return signCommandline(pdfDataSource, dataSink, signatorId, connectorId, profile, null, pos, null, null);

-   }

-

-  /**

-   * Extracts and normalizes the text from the pdf.

-   *

-   * @param pdf

-   *          The PDF document.

-   * @return Returns the text String.

-   * @throws PresentableException

-   *           F.e.

-   */

-//  public static String extractNormalizedTextTextual(final byte[] pdf) throws PresentableException

-//  {

-//    // ByteArrayInputStream bais = new ByteArrayInputStream(pdf);

-//    // String raw_document_text = TextualSignature.extractTextTextual(bais);

-//    //

-//    // String document_text = normalizeText(raw_document_text);

-//

-//    return extractNormalizedTextTextual(pdf, pdf.length);

-//  }

-

-

-  /**

-   *

-   * @param pdfDs

-   * @return List of {@link NonTextObjectInfo}

-   */

-  public static List extractNonTextualObjects(PdfDataSource pdfDs) {

-     return ObjectExtractor.extractNonTextInfo(pdfDs);

-  }

-

-

-  /**

-   * @deprecated

-   * Use version with explicit encoding {@link PdfAS#extractNormalizedTextTextual(PdfDataSource, String)}.

-   *  This one uses cp1252.

-   *

-   * @param pdfDataSource

-   * @return

-   * @throws PresentableException

-   */

-  public static String extractNormalizedTextTextual(PdfDataSource pdfDataSource) throws PresentableException {

-     return extractNormalizedTextTextual(pdfDataSource, "cp1252");

-

-  }

-

-  public static String extractNormalizedTextTextual(PdfDataSource pdfDataSource, String encoding) throws PresentableException

-  {

-     String raw_document_text = TextualSignature.extractTextTextual(pdfDataSource, encoding);

-     String document_text = normalizeText(raw_document_text);

-     return document_text;

-  }

-  /**

-  @deprecated

-  */

-  public static String extractNormalizedTextTextual(byte [] pdf,  int length) throws PresentableException

-  {

-    ByteArrayPdfDataSourceImpl pdfDataSource = new ByteArrayPdfDataSourceImpl(pdf, length);

-    String raw_document_text = TextualSignature.extractTextTextual(pdfDataSource, "cp1252");

-    String document_text = normalizeText(raw_document_text);

-    return document_text;

-  }

-

-//  public static String extractNormalizedTextTextual(InputStream pdfInputStream, int length) throws PresentableException

-//  {

-//    DelimitedInputStream dis = new DelimitedInputStream(pdfInputStream, length);

-//    String raw_document_text = TextualSignature.extractTextTextual(dis);

-//    String document_text = normalizeText(raw_document_text);

-//    return document_text;

-//  }

-//  /**

-//   * Extracts and normalizes the text from the pdf.

-//   *

-//   * @param pdf

-//   *          The PDF document.

-//   * @param length

-//   *          The length of the PDF document. The decument is considered to be

-//   *          that long even if the byte array is longer.

-//   * @return Returns the text String.

-//   * @throws PresentableException

-//   *           F.e.

-//   */

-//  public static String extractNormalizedTextTextual(final byte[] pdf, final int length) throws PresentableException

-//  {

-//    ByteArrayInputStream bais = new ByteArrayInputStream(pdf, 0, length);

-//    String raw_document_text = TextualSignature.extractTextTextual(bais);

-//    // logger_.info("extractNormalizedTextTextual

-//    // raw_document_text="+raw_document_text);

-//    String document_text = normalizeText(raw_document_text);

-//    // logger_.info("extractNormalizedTextTextual document_text

-//    // ="+document_text);

-//    return document_text;

-//  }

-

-  /**

-   * Normalizes the given text.

-   *

-   * @param text

-   *          The text to be normalized.

-   * @return Returns the normalized text.

-   * @throws NormalizeException

-   *           F.e.

-   */

-  public static String normalizeText(final String text) throws NormalizeException

-  {

-    Normalizer normalizer = new Normalizer();

-    String normalized_text = normalizer.normalize(text, false);

-    // fix #331 ??

-    //normalized_text = normalized_text.replaceAll("\n", "");

-    return normalized_text;

-  }

-

-  /**

-   * Creates the iText PDFPTable from a given SignatureObject.

-   *

-   * @param signature_object

-   *          The SignatureObject.

-   * @return Returns the created PDFPTable.

-   * @throws PDFDocumentException

-   *           F.e.

-   * @throws SignatureException

-   *           F.e.

-   */

-  public static PdfPTable createPdfPTableFromSignatureObject(final SignatureObject signature_object) throws PDFDocumentException, SignatureException

-  {

-    PDFSignatureCreation creation = new PDFSignatureCreation(signature_object);

-    PDFSignatureObject pdf_sig_obj = creation.getPDFSignatureObject();

-    PdfPTable pdf_table = (PdfPTable) pdf_sig_obj.getSignatureObject();

-

-    return pdf_table;

-  }

-

-  /**

-   * Evalutates absolute positioning and prepares the PositioningInstruction for

-   * placing the table.

-   *

-   * @param pos

-   *          The absolute positioning parameter. If null it is sought in the

-   *          profile definition.

-   * @param signature_type

-   *          The profile definition of the table to be written.

-   * @param pdf

-   *          The pdf.

-   * @param pdf_table

-   *          The pdf table to be written.

-   * @return Returns the PositioningInformation.

-   * @throws PDFDocumentException

-   *           F.e.

-   * @throws SettingsException

-   *           F.e.

-   */

-  public static PositioningInstruction determineTablePositioning(TablePos pos, String signature_type, PdfDataSource pdfDataSource, PdfPTable pdf_table) throws PDFDocumentException, SettingsException

-  {

-    if (pos == null)

-    {

-      String pos_string = SettingsReader.getInstance().getSetting(SignatureTypes.SIG_OBJ + signature_type + ".pos", null);

-      if (pos_string != null)

-      {

-        pos = PdfAS.parsePositionFromPosString(pos_string);

-      }

-    }

-    if (pos == null)

-    {

-      // The default algorithm. x,y,w =auto ,p=lastpage, f:ignored because

-      // y:auto

-      pos = new TablePos();

-    }

-    // System.out.println("Tablepos="+pos);

-    return PdfAS.adjustSignatureTableandCalculatePosition(pdfDataSource, pdf_table, pos);

-  }

-

-  /**

-   * Sets the width of the table according to the layout of the document and

-   * calculates the y position where the PDFPTable should be placed.

-   *

-   * @param pdf

-   *          The PDF document.

-   * @param pdf_table

-   *          The PDFPTable to be placed.

-   * @return Returns the position where the PDFPTable should be placed.

-   * @throws PDFDocumentException

-   *           F.e.

-   */

-  public static PositioningInstruction adjustSignatureTableandCalculatePosition(final PdfDataSource pdfDataSource, PdfPTable pdf_table, TablePos pos) throws PDFDocumentException

-  {

-    // first check pageinstruction in TablePos-object

-    // new,auto,absolut

-    PdfReader reader = readInPdfDocument(pdfDataSource);

-    PDFASUtils.checkReaderPermissions(reader);

-    // get pages of currentdocument

-    int doc_pages = reader.getNumberOfPages();

-    int page = doc_pages;

-    boolean make_new_page = pos.isNewPage();

-    if (!(pos.isNewPage() || pos.isPauto()))

-    {

-      // we should posit signaturtable on this page

-

-      page = pos.getPage();

-      // System.out.println("XXXXPAGE="+page+" doc_pages="+doc_pages);

-      if (page > doc_pages)

-      {

-        make_new_page = true;

-        page = doc_pages;

-        // throw new PDFDocumentException(227, "Page number is to big(=" + page+

-        // ") cannot be parsed.");

-      }

-    }

-

-    // getPagedimensions

-    Rectangle psize = reader.getPageSizeWithRotation(page);

-    int page_rotation = reader.getPageRotation(page);

-

-//  [tknall] for iText 1.x.x:

-//    float page_width = psize.width();

-//    float page_height = psize.height();

-

-//  [tknall] for iText 2.x.x:

-//    float page_width = psize.getWidth();

-//    float page_height = psize.getHeight();

-

-  float page_width = psize.getWidth();

-  float page_height = psize.getHeight();

-

-    // now we can calculate x-position

-    float pre_pos_x = SIGNATURE_BORDER / 2;

-    if (!pos.isXauto())

-    {

-      // we do have absolute x

-      pre_pos_x = pos.getPosX();

-    }

-    // calculate width

-    // center

-    float pre_width = page_width - pre_pos_x - pre_pos_x;

-    if (!pos.isWauto())

-    {

-      // we do have absolute width

-      pre_width = pos.getWidth();

-      if (pos.isXauto())

-      { // center x

-        pre_pos_x = (page_width - pre_width) / 2;

-      }

-    }

-    final float pos_x = pre_pos_x;

-    final float width = pre_width;

-    // Signatur table dimensions are complete

-    pdf_table.setTotalWidth(width);

-    pdf_table.setLockedWidth(true);

-    final float table_height = pdf_table.getTotalHeight();

-    // now check pos_y

-    float pos_y = pos.getPosY();

-    if (!pos.isYauto())

-    {

-      // we do have y-position too --> all parameters but page ok

-      if (make_new_page)

-      {

-        page++;

-      }

-      return new PositioningInstruction(make_new_page, page, pos_x, pos_y);

-    }

-    // pos_y is auto

-    if (make_new_page)

-    {

-      // ignore footer in new page

-      page++;

-      pos_y = page_height - SIGNATURE_BORDER / 2;

-      return new PositioningInstruction(make_new_page, page, pos_x, pos_y);

-    }

-    // up to here no checks have to be made if Tablesize and Pagesize are fit

-    // Now we have to getfreespace in page and reguard footerline

-    float footer_line = pos.getFooterLine();

-    float pre_page_length = PDFUtilities.calculatePageLength(pdfDataSource, page - 1, page_height - footer_line, page_rotation);

-    if (pre_page_length == Float.NEGATIVE_INFINITY)

-    {

-      // we do have an empty page or nothing in area above footerline

-      pre_page_length = page_height;

-      // no text --> SIGNATURE_BORDER

-      pos_y = page_height - SIGNATURE_BORDER / 2;

-      if (pos_y - footer_line <= table_height)

-      {

-        make_new_page = true;

-        if (!pos.isPauto())

-        {

-          // we have to correct pagenumber

-          page = reader.getNumberOfPages();

-        }

-        page++;

-        // no text --> SIGNATURE_BORDER

-        pos_y = page_height - SIGNATURE_BORDER / 2;

-      }

-      return new PositioningInstruction(make_new_page, page, pos_x, pos_y);

-    }

-    final float page_length = pre_page_length;

-    // we do have text take SIGNATURE_MARGIN

-    pos_y = page_height - page_length - SIGNATURE_MARGIN;

-    if (pos_y - footer_line <= table_height)

-    {

-      make_new_page = true;

-      if (!pos.isPauto())

-      {

-        // we have to correct pagenumber in case of absolute page and not enough

-        // space

-        page = reader.getNumberOfPages();

-      }

-      page++;

-      // no text --> SIGNATURE_BORDER

-      pos_y = page_height - SIGNATURE_BORDER / 2;

-    }

-    return new PositioningInstruction(make_new_page, page, pos_x, pos_y);

-  }

-

-//  /**

-//   * Sets the width of the table according to the layout of the document and

-//   * calculates the y position where the PDFPTable should be placed.

-//   *

-//   * @deprecated

-//   * @param pdf

-//   *          The PDF document.

-//   * @param pdf_table

-//   *          The PDFPTable to be placed.

-//   * @return Returns the position where the PDFPTable should be placed.

-//   * @throws PDFDocumentException

-//   *           F.e.

-//   */

-//  public static PositioningInstruction adjustTableAndCalculatePosition(final byte[] pdf, PdfPTable pdf_table) throws PDFDocumentException

-//  {

-//    boolean make_new_page = false;

-//

-//    PdfReader reader = readInPdfDocument(pdf);

-//

-//    int page = reader.getNumberOfPages();

-//    Rectangle psize = reader.getPageSizeWithRotation(page);

-//    float page_width = psize.width();

-//    float page_height = psize.height();

-//

-//    final float width = page_width - SIGNATURE_BORDER;

-//    pdf_table.setTotalWidth(width);

-//    pdf_table.setLockedWidth(true);

-//

-//    final float pos_x = SIGNATURE_BORDER / 2;

-//

-//    final float table_height = pdf_table.getTotalHeight();

-//    final float page_length = PDFUtilities.calculateLastPageLength(pdf, page_height);

-//    float pos_y = page_height - page_length - SIGNATURE_MARGIN;

-//

-//    if (pos_y <= table_height)

-//    {

-//      make_new_page = true;

-//      page++;

-//

-//      pos_y = page_height - SIGNATURE_BORDER / 2;

-//    }

-//

-//    return new PositioningInstruction(make_new_page, page, pos_x, pos_y);

-//  }

-

-//  /**

-//   * Sets the width of the table according to the layout of the document and

-//   * calculates the y position where the PDFPTable should be placed.

-//   *

-//   * <p>

-//   * This algorithm tries to position the table between the end of the text and

-//   * the footer line.

-//   * </p>

-//   *

-//   * @deprecated

-//   * @param pdf

-//   *          The PDF document.

-//   * @param pdf_table

-//   *          The PDFPTable to be placed.

-//   * @return Returns the position where the PDFPTable should be placed.

-//   * @throws PDFDocumentException

-//   *           F.e.

-//   */

-//  public static PositioningInstruction adjustTableAndCalculatePositionRegardingFooter(final byte[] pdf, PdfPTable pdf_table, float footer_line) throws PDFDocumentException

-//  {

-//    boolean make_new_page = false;

-//

-//    PdfReader reader = readInPdfDocument(pdf);

-//

-//    int page = reader.getNumberOfPages();

-//    Rectangle psize = reader.getPageSizeWithRotation(page);

-//    float page_width = psize.width();

-//    float page_height = psize.height();

-//

-//    final float width = page_width - SIGNATURE_BORDER;

-//    pdf_table.setTotalWidth(width);

-//    pdf_table.setLockedWidth(true);

-//

-//    final float pos_x = SIGNATURE_BORDER / 2;

-//

-//    final float table_height = pdf_table.getTotalHeight();

-//

-//    final float page_length = PDFUtilities.calculateLastPageLength(pdf, page_height - footer_line);

-//    float pos_y = page_height - page_length - SIGNATURE_MARGIN;

-//

-//    if (pos_y - footer_line <= table_height)

-//    {

-//      make_new_page = true;

-//      page++;

-//

-//      pos_y = page_height - SIGNATURE_BORDER / 2;

-//    }

-//

-//    return new PositioningInstruction(make_new_page, page, pos_x, pos_y);

-//  }

-

-  /**

-   * Creates an iText Reader that parses the document.

-   * <p>

-   * This is a convenience function for wrapping the Reader's exceptions into

-   * PDFDocumentException.

-   * </p>

-   *

-   * @param pdf

-   *          The PDF document.

-   * @return Returns the created PdfReader.

-   * @throws PDFDocumentException

-   *           F.e.

-   */

-  public static PdfReader readInPdfDocument(final PdfDataSource pdfDataSource) throws PDFDocumentException

-  {

-    try

-    {

-      //InputStream is = pdfDataSource.createInputStream();

-      // PERF: byte array instead of stream

-      byte [] pdf_data = pdfDataSource.getAsByteArray();

-      PdfReader reader = new PdfReader(pdf_data);

-      //is.close();

-      return reader;

-    }

-    catch (IOException e)

-    {

-      throw new PDFDocumentException(201, e);

-    }

-  }

-

-  /**

-   * Parses the TablePos object from a given String with the appropriate format.

-   *

-   * @param pos_string

-   *          The pos string. e.g. x:40.0;y:auto;w:auto;p:1;f:300.0

-   * @return Returns the parsed TablePos object.

-   * @throws PDFDocumentException

-   *           Thrown, if the String doesn't have the proper format.

-   */

-  public static TablePos parsePositionFromPosString(String pos_string) throws PDFDocumentException

-  {

-    TablePos pos = new TablePos(pos_string);

-    return pos;

-  }

-

-}