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, 190 deletions

diff --git a/src/main/java/at/gv/egiz/pdfas/impl/vfilter/helper/VerificationFilterBinaryHelper.java b/src/main/java/at/gv/egiz/pdfas/impl/vfilter/helper/VerificationFilterBinaryHelper.java
deleted file mode 100644
index 735b874..0000000
--- a/src/main/java/at/gv/egiz/pdfas/impl/vfilter/helper/VerificationFilterBinaryHelper.java
+++ /dev/null
@@ -1,190 +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.

- */

-package at.gv.egiz.pdfas.impl.vfilter.helper;

-

-import java.io.IOException;

-import java.util.ArrayList;

-import java.util.List;

-

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

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

-

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

-import at.knowcenter.wag.egov.egiz.PdfASID;

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

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

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

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

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

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

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

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

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

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

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

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

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

-

-/**

- * Contains helpful methods used by the VerificationFilter to analyze the PDF for binary signatures.

- * 

- * @author wprinz

- */

-public final class VerificationFilterBinaryHelper

-{

-  /**

-   * The name of the egiz dict key.

-   */

-  public static final byte[] EGIZ_DICT_NAME = { 'E', 'G', 'I', 'Z', 'S', 'i', 'g', 'D', 'i', 'c', 't' };

-

-  /**

-   * The name of the ID (SIG_KZ) property in the egiz dict.

-   */

-  public static final byte[] EGIZ_KZ_NAME = { 'I', 'D' };

-

-  /**

-   * The log.

-   */

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

-

-  /**

-   * Tells, if the given incremental update block contains a binary signature.

-   * 

-   * <p>

-   * According to definition, if a block is a binary block, it must/cannot

-   * contain other signatures than this one.

-   * </p>

-   * 

-   * @param block

-   *          The incremental update block.

-   * @return Returns true, if this block is a binary signature block, false

-   *         otherwise.

-   */

-  public static boolean containsEGIZDict(final byte[] pdf, final FooterParseResult block)

-  {

-    int dict_index = PDFUtils.indexOfName(pdf, block.tpr.dpr.names, EGIZ_DICT_NAME);

-    if (dict_index <= 0)

-    {

-      return false;

-    }

-

-    return true;

-  }

-

-  /**

-   * Extracts the PDF AS ID of the egiz block.

-   * 

-   * @param pdf

-   *          The pdf.

-   * @param block

-   *          The IU block.

-   * @return Returns the extracted PDF AS ID.

-   * @throws PDFDocumentException

-   *           Forwarded exception.

-   * @throws InvalidIDException

-   *           Forwarded exception.

-   */

-  public static PdfASID extractKZFromEGIZBlock(final byte[] pdf, final FooterParseResult block) throws PDFDocumentException, InvalidIDException

-  {

-    int egiz_index = PDFUtils.indexOfName(pdf, block.tpr.dpr.names, EGIZ_DICT_NAME);

-    if (egiz_index < 0)

-    {

-      throw new PDFDocumentException(301, "egiz_index = " + egiz_index);

-    }

-

-    IndirectObjectReferenceParseResult egiz_dict_iorpr = (IndirectObjectReferenceParseResult) block.tpr.dpr.values.get(egiz_index);

-    // logger_.debug("egiz_dict_ir = " + egiz_dict_iorpr.ior.object_number

-    // + " " + egiz_dict_iorpr.ior.generation_number);

-

-    IndirectObjectReference ior = egiz_dict_iorpr.ior;

-

-    final int egiz_dict_offset = PDFUtils.getObjectOffsetFromXRefByIndirectObjectReference(block.xpr, ior);

-    // logger_.debug("egiz_dict_offset = " + egiz_dict_offset);

-

-    ObjectParseResult obj = PDFUtils.parseObject(pdf, egiz_dict_offset);

-    DictionaryParseResult egiz_dict = (DictionaryParseResult) obj.object;

-

-    int kz_index = PDFUtils.indexOfName(pdf, egiz_dict.names, EGIZ_KZ_NAME);

-    if (kz_index < 0)

-    {

-      throw new PDFDocumentException(301, "kz_index = " + kz_index);

-    }

-    ArrayParseResult kz_apr = (ArrayParseResult) egiz_dict.values.get(kz_index);

-

-    String kz_string = restoreKZ(pdf, kz_apr);

-    PdfASID kz = new PdfASID(kz_string);

-

-    return kz;

-  }

-

-  /**

-   * Restores the Kennzeichnung String from an Array.

-   * 

-   * @param pdf

-   *          The PDF.

-   * @param kz_apr

-   *          The Array, as parsed from the EGIZ Dict.

-   * @return Returns the restored KZ.

-   * @throws PDFDocumentException

-   *           Forwarded exception.

-   */

-  public static String restoreKZ(byte[] pdf, ArrayParseResult kz_apr) throws PDFDocumentException

-  {

-    try

-    {

-      List partition = new ArrayList();

-

-      int linesToProcess = (kz_apr.elements.size() / 2);

-      log.trace("Lines to process for KZ: " + linesToProcess);

-      /*

-      if (linesToProcess > 1) {

-         log.debug("Multiple KZHOTFIX: forcing single line to process");

-         linesToProcess = 1;

-      }

-      */

-      for (int i = 0; i < linesToProcess; i++)

-      {

-        NumberParseResult start_npr = (NumberParseResult) kz_apr.elements.get(i * 2);

-        NumberParseResult length_npr = (NumberParseResult) kz_apr.elements.get(i * 2 + 1);

-

-        StringInfo si = new StringInfo();

-        si.string_start = start_npr.number;

-        si.string_length = length_npr.number;

-        si.pdf = pdf;

-

-        log.trace("Adding KZ: " + si.toString());

-        

-        partition.add(si);

-      }

-

-      String KZ = Placeholder.reconstructStringFromPartition(pdf, partition, BinarySignature.ENCODING_WIN);

-      return KZ;

-    }

-    catch (IOException e1)

-    {

-      throw new PDFDocumentException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e1);

-    }

-  }

-

-}