Performance

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@167 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 149 insertions, 0 deletions

diff --git a/src/main/java/at/gv/egiz/pdfas/impl/signator/textual/TextualSignator_1_0_0.java b/src/main/java/at/gv/egiz/pdfas/impl/signator/textual/TextualSignator_1_0_0.java
new file mode 100644
index 0000000..b0494c8
--- /dev/null
+++ b/src/main/java/at/gv/egiz/pdfas/impl/signator/textual/TextualSignator_1_0_0.java
@@ -0,0 +1,149 @@
+/**

+ * <copyright> Copyright (c) 2006 by Know-Center, Graz, Austria </copyright>

+ * 

+ * This software is the confidential and proprietary information of Know-Center,

+ * Graz, Austria. You shall not disclose such Confidential Information and shall

+ * use it only in accordance with the terms of the license agreement you entered

+ * into with Know-Center.

+ * 

+ * KNOW-CENTER MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF

+ * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE

+ * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR

+ * NON-INFRINGEMENT. KNOW-CENTER SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY

+ * LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS

+ * DERIVATIVES.

+ * 

+ * $Id: TextualSignator_1_0_0.java,v 1.3 2006/10/31 08:07:50 wprinz Exp $

+ */

+package at.gv.egiz.pdfas.impl.signator.textual;

+

+import at.gv.egiz.pdfas.exceptions.framework.SignatorException;

+import at.gv.egiz.pdfas.framework.input.DataSource;

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

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

+import at.gv.egiz.pdfas.framework.signator.Signator;

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

+import at.gv.egiz.pdfas.impl.input.TextDataSourceImpl;

+import at.gv.egiz.pdfas.impl.signator.IncrementalUpdateHelper;

+import at.knowcenter.wag.egov.egiz.PdfAS;

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

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

+import at.knowcenter.wag.egov.egiz.framework.SignatorFactory;

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

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

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

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

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

+

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

+

+/**

+ * Signs a document textually.

+ * 

+ * <p>

+ * In prepareSign, the document text is extracted and normalized.

+ * </p>

+ * <p>

+ * In finishSign, the signed SignatureObject is transformed into a Signature

+ * block, which is then written as an Incremental Update.

+ * </p>

+ * 

+ * @author wprinz

+ */

+public class TextualSignator_1_0_0 implements Signator

+{

+  /**

+   * The Pdf-AS ID of this Signator.

+   */

+  public static final PdfASID MY_ID = new PdfASID(SignatorFactory.VENDOR, SignatorFactory.TYPE_TEXTUAL, SignatorFactory.VERSION_1_0_0);

+

+  /**

+   * @see at.knowcenter.wag.egov.egiz.framework.Signator#getMyId()

+   */

+  public PdfASID getMyId()

+  {

+    return MY_ID;

+  }

+

+  /**

+   * Default constructor.

+   */

+  public TextualSignator_1_0_0()

+  {

+    // Default constructor.

+  }

+

+  /**

+   * <p>

+   * The parameter has_SIG_ID is not used by this Signator because it doesn't

+   * pre-format the signature block.

+   * </p>

+   * 

+   * @see at.gv.egiz.pdfas.framework.signator.Signator#prepareSign(at.gv.egiz.pdfas.framework.input.PdfDataSource,

+   *      java.lang.String, at.knowcenter.wag.egov.egiz.pdf.TablePos, boolean)

+   */

+  public SignatorInformation prepareSign(PdfDataSource pdfDataSource, String profile, TablePos pos, boolean has_SIG_ID) throws SignatorException

+  {

+    try

+    {

+      TextualSignatorInformation tsi = new TextualSignatorInformation();

+      tsi.originalDocument = pdfDataSource;

+      tsi.profile = profile;

+      tsi.pos = pos;

+

+      String document_text = PdfAS.extractNormalizedTextTextual(pdfDataSource.createInputStream());

+      // logger_.debug("signed_text = " + document_text);

+

+      DataSource ds = new TextDataSourceImpl(document_text);

+      tsi.signatureData = new SignatureDataImpl(ds, "text/plain", "UTF-8");

+

+      return tsi;

+    }

+    catch (PresentableException pe)

+    {

+      throw new SignatorException(pe);

+    }

+  }

+

+  /**

+   * @see at.gv.egiz.pdfas.framework.signator.Signator#finishSign(at.gv.egiz.pdfas.framework.signator.SignatorInformation,

+   *      at.gv.egiz.pdfas.framework.output.DataSink)

+   */

+  public void finishSign(SignatorInformation signatorInformation, DataSink dataSink) throws SignatorException

+  {

+    try

+    {

+      TextualSignatorInformation tsi = (TextualSignatorInformation) signatorInformation;

+

+      // PdfAS.prefixID(iui.signed_signature_object, PdfAS.TEXT_ID);

+

+      // iui.signed_signature_object.kz = getMyId().toString();

+      tsi.signSignatureObject.kz = getMyId().toString();

+      // TODO what is this for?

+

+      SignatureObject so = SignatureObjectHelper.convertSignSignatureObjectToSignatureObject(tsi.signSignatureObject, tsi.profile);

+

+      PdfPTable pdf_table = PdfAS.createPdfPTableFromSignatureObject(so);

+

+      PositioningInstruction pi = PdfAS.determineTablePositioning(tsi.pos, tsi.profile, tsi.originalDocument, pdf_table);

+

+      IncrementalUpdateHelper.writeIncrementalUpdateToDataSink(tsi.originalDocument, dataSink, pdf_table, pi);

+

+//      OutputStream os = dataSink.createOutputStream(PdfAS.PDF_MIME_TYPE);

+//      os.write(signed_iui.signed_pdf);

+//      os.close();

+

+//      SignResult sign_result = new SignResult(PdfAS.PDF_MIME_TYPE, signed_iui.signed_pdf);

+//      return sign_result;

+    }

+    catch (PresentableException pe)

+    {

+      throw new SignatorException(pe);

+    }

+//    catch (IOException e)

+//    {

+//      throw new SignatorException(ErrorCode.DOCUMENT_CANNOT_BE_READ, e);

+//    }

+  }

+

+}