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diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/api/sign/SignatureDetailInformation.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/api/sign/SignatureDetailInformation.java
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+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/api/sign/SignatureDetailInformation.java
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+/**
+ * <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.api.sign;
+
+import java.security.cert.X509Certificate;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
+import at.gv.egiz.pdfas.api.analyze.NonTextObjectInfo;
+import at.gv.egiz.pdfas.api.io.DataSource;
+import at.gv.egiz.pdfas.api.sign.pos.SignaturePosition;
+
+/**
+ * A container for all relevant signature related data.
+ * 
+ * @author exthex
+ */
+public interface SignatureDetailInformation
+{
+  public DataSource getSignatureData();
+
+  /**
+   * Returns the position where the signature table was actually placed.
+   * 
+   * @return Returns the position where the signature table was actually placed.
+   */
+  public SignaturePosition getSignaturePosition();
+  
+  /**
+   * Returns a list<{@link NonTextObjectInfo} of non textual objects in the pdf document.
+   * Only available for textual signatures. Show this to the user who signed the textual content only! 
+   * @return  List<{@link NonTextObjectInfo} or <tt>null</tt> of not available (binary signature)
+   */
+  public List getNonTextualObjects();
+  
+  /**
+   * Returns the date of signature extracted from the signature.
+   * @return
+   */
+  public Date getSignDate();
+  
+  /**
+   * Get the name of the issuer. 
+   * Short for {@link SignatureDetailInformation#getX509Certificate()#getIssuer()#getName()}
+   * 
+   * @return
+   */
+  public String getIssuer();
+
+  /**
+   * Short for {@link SignatureDetailInformation#getX509Certificate()#getIssuerDNMap()}
+   * 
+   * @return
+   */
+  public Map getIssuerDNMap();
+  
+  /**
+   * Short for {@link SignatureDetailInformation#getX509Certificate()#getSubjectName()#toString()}
+   * 
+   * @return
+   */
+  public String getSubjectName();
+  
+  /**
+   * Short for {@link SignatureDetailInformation#getX509Certificate()#getSerialNumber()#toString()}
+   * 
+   * @return
+   */
+  public String getSerialNumber();
+  
+  /**
+   * Get the algorithm the signature was created with.
+   * @return
+   */
+  public String getSigAlgorithm();
+  
+  /**
+   * 
+   * @return the signature id.
+   */
+  public String getSigID();
+  
+  /**
+   * 
+   * @return the signature method.
+   */
+  public String getSigKZ();
+  
+  /**
+   * 
+   * @return the signature value.
+   */
+  public String getSignatureValue();
+  
+  /**
+   * 
+   * @return the signature time stamp.
+   */
+  public String getSigTimeStamp();
+  
+  /**
+   * Short for {@link SignatureDetailInformation#getX509Certificate()#getSubjectDNMap()}
+   * 
+   * @return
+   */
+  public Map getSubjectDNMap();
+
+  /**
+   * 
+   * @return the certificate used for signature.
+   */
+  public X509Certificate getX509Certificate();
+  
+  /**
+   * 
+   * @return true if the signature is textual, false otherwise.
+   */
+  public boolean isTextual();
+  
+  /**
+   * 
+   * @return true if this signature is binary, false otherwise.
+   */
+  public boolean isBinary();
+}