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diff --git a/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/PdfASID.java b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/PdfASID.java
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+++ b/pdf-as-lib/src/main/java/at/knowcenter/wag/egov/egiz/PdfASID.java
@@ -0,0 +1,222 @@
+/**
+ * <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: PdfASID.java,v 1.1 2006/08/25 17:04:16 wprinz Exp $
+ */
+package at.knowcenter.wag.egov.egiz;
+
+import java.io.Serializable;
+
+import at.gv.egiz.pdfas.exceptions.ErrorCode;
+import at.knowcenter.wag.egov.egiz.exceptions.InvalidIDException;
+import at.knowcenter.wag.egov.egiz.framework.SignatorFactory;
+
+/**
+ * This class encapsulates the Pdf-AS ID ("Kennzeichnung") urn.
+ * 
+ * @author wprinz
+ */
+public class PdfASID implements Serializable
+{
+
+  /**
+   * SVUID.
+   */
+  private static final long serialVersionUID = 4776635173830445739L;
+
+  /**
+   * The urn word that leads in the identifier.
+   */
+  protected static final String URN = "urn";
+
+  /**
+   * The namespace of the urn.
+   */
+  protected static final String NAMESPACE = "pdfsigfilter";
+
+  /**
+   * The separator between urn blocks.
+   */
+  protected static final String SPLIT_STRING = ":";
+
+  /**
+   * The vendor.
+   */
+  protected String vendor = null;
+
+  /**
+   * The algorithm type.
+   */
+  protected String type = null;
+
+  /**
+   * The version of the algorithm.
+   */
+  protected String version = null;
+
+  /**
+   * Constructor that fills in the parameters directly.
+   * 
+   * @param vendor
+   * @param type
+   * @param version
+   */
+  public PdfASID(String vendor, String type, String version)
+  {
+    set(vendor, type, version);
+  }
+
+  /**
+   * Parses the given id String and throws an Exception if it is not valid.
+   * 
+   * @param id
+   *          The id String to be parsed.
+   */
+  public PdfASID(String id) throws InvalidIDException
+  {
+    String[] tokens = id.split(SPLIT_STRING);
+
+    if (tokens.length != 5)
+    {
+      throw new InvalidIDException(ErrorCode.UNABLE_TO_PARSE_ID, "The method doesn't have enough tokens (" + id + ")");
+    }
+
+    if (!tokens[0].equals(URN))
+    {
+      throw new InvalidIDException(ErrorCode.UNABLE_TO_PARSE_ID, "The method must start with " + URN + " (" + id + ")");
+    }
+
+    if (!tokens[1].equals(NAMESPACE))
+    {
+      throw new InvalidIDException(ErrorCode.UNABLE_TO_PARSE_ID, "The namespace of the method must be " + NAMESPACE + " (" + id + ")");
+    }
+
+    set(tokens[2], tokens[3], tokens[4]);
+  }
+
+  /**
+   * Copy Constructor.
+   * 
+   * @param other
+   *          The other PdfASID to copy the data from.
+   */
+  public PdfASID(final PdfASID other)
+  {
+    set(other.vendor, other.type, other.version);
+  }
+
+  /**
+   * Auxiliary constructor.
+   * 
+   * @param vendor
+   *          The vendor.
+   * @param type
+   *          The type.
+   * @param version
+   *          The version.
+   */
+  private void set(String vendor, String type, String version)
+  {
+    this.vendor = vendor;
+    this.type = type;
+    this.version = version;
+  }
+
+  /**
+   * Returns the type.
+   * 
+   * @return Returns the type.
+   */
+  public String getType()
+  {
+    return this.type;
+  }
+
+  /**
+   * Returns the vendor.
+   * 
+   * @return Returns the vendor.
+   */
+  public String getVendor()
+  {
+    return this.vendor;
+  }
+
+  /**
+   * Returns the version.
+   * 
+   * @return Returns the version.
+   */
+  public String getVersion()
+  {
+    return this.version;
+  }
+  
+  
+
+  /**
+   * @see java.lang.Object#equals(java.lang.Object)
+   */
+  //@override
+  public boolean equals(Object obj)
+  {
+    if (obj == null)
+    {
+      return false;
+    }
+    if (!(obj instanceof PdfASID))
+    {
+      return false;
+    }
+    
+    PdfASID other = (PdfASID) obj;
+    
+    return this.toString().equals(other.toString());
+  }
+
+  /**
+   * @see java.lang.Object#hashCode()
+   */
+  public int hashCode()
+  {
+    return toString().hashCode();
+  }
+
+  /**
+   * @see java.lang.Object#toString()
+   */
+  public String toString()
+  {
+    return URN + SPLIT_STRING + NAMESPACE + SPLIT_STRING + this.vendor + SPLIT_STRING + this.type + SPLIT_STRING + this.version;
+  }
+  
+  /**
+   * Returns if it is an old textual signature (pre 1.2.0) that used cp1252 encoding for text extraction (mostly)
+   * @return
+   */
+  public boolean isOldCp1252Version() {     
+     return this.getVersion().equals(SignatorFactory.VERSION_1_0_0) 
+        || this.getVersion().equals(SignatorFactory.VERSION_1_1_0);
+  }
+
+}