From 32d17447a258188b2d534bcb0bf65a659ba7b7d0 Mon Sep 17 00:00:00 2001
From: mcentner <mcentner@8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4>
Date: Fri, 29 Aug 2008 12:11:34 +0000
Subject: Initial import.

git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@1 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4
---
 .../bku/slcommands/impl/xsect/XSECTReference.java  | 112 +++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTReference.java

(limited to 'bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTReference.java')

diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTReference.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTReference.java
new file mode 100644
index 00000000..6b388f2a
--- /dev/null
+++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTReference.java
@@ -0,0 +1,112 @@
+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.bku.slcommands.impl.xsect;
+
+import iaik.xml.crypto.dsig.DigestMethodImpl;
+import iaik.xml.crypto.dsig.DigestValueImpl;
+import iaik.xml.crypto.dsig.ReferenceImpl;
+import iaik.xml.crypto.dsig.TransformImpl;
+import iaik.xml.crypto.dsig.TransformsImpl;
+
+import javax.xml.crypto.Data;
+import javax.xml.crypto.URIDereferencer;
+import javax.xml.crypto.URIReferenceException;
+import javax.xml.crypto.XMLCryptoContext;
+import javax.xml.crypto.dsig.DigestMethod;
+import javax.xml.crypto.dsig.TransformException;
+
+import at.gv.egiz.bku.slexceptions.SLCommandException;
+import at.gv.egiz.bku.slexceptions.SLExceptionMessages;
+
+/**
+ * This class extends the XSECT ReferenceImpl to allow for the use
+ * of already marshalled <code>ds:Transforms</code> elements for initialization.
+ *  
+ * @author mcentner
+ */
+public class XSECTReference extends ReferenceImpl {
+
+  /**
+   * The URIDereferencer to be used for dereferencing.
+   */
+  protected URIDereferencer dereferencer;
+
+  /**
+   * Creates a new instance of this XSECTReference with the given
+   * <code>uri</code>, digest method, <code>transforms</code>, <code>type</code>
+   * and <code>id</code> value.
+   * 
+   * @param uri
+   *          the <code>URI</code>-attribute value (may be <code>null</code>)
+   * @param dm
+   *          the digest method
+   * @param transforms
+   *          a TransformsImpl element (may be <code>null</code>)
+   * @param type
+   *          the <code>Type</code>-attribute value (may be <code>null</code>)
+   * @param id
+   *          the <code>Id</code>-attribute value (may be <code>null</code>)
+   * 
+   * @throws NullPointerException
+   *           if <code>digestMethod</code> is <code>null</code>
+   * @throws IllegalArgumentException
+   *           if <code>uri</code> is not RFC 2396 compliant
+   * @throws ClassCastException
+   *           if any of the <code>transforms</code> is not of type
+   *           {@link TransformImpl}
+   */
+  public XSECTReference(String uri, DigestMethod dm, TransformsImpl transforms, String type,
+      String id) {
+    super(uri, transforms, type, id);
+    digestMethod_ = (DigestMethodImpl) dm;
+    digestValue_ = new DigestValueImpl();
+  }
+
+  /* (non-Javadoc)
+   * @see iaik.xml.crypto.dsig.ReferenceType#dereference(javax.xml.crypto.XMLCryptoContext)
+   */
+  @Override
+  public Data dereference(XMLCryptoContext context) throws TransformException,
+      URIReferenceException {
+    if (dereferencer != null) {
+      return dereferencer.dereference(this, context);
+    } else {
+      try {
+        return super.dereference(context);
+      } catch (URIReferenceException e) {
+        SLCommandException commandException = new SLCommandException(4003,
+            SLExceptionMessages.EC4003_NOT_RESOLVED, new Object[] { getURI() });
+        throw new URIReferenceException("Failed to dereference data to-be signed.", commandException);
+      }
+    }
+  }
+
+  /**
+   * @return the dereferencer to be used for dereferencing this reference
+   */
+  public URIDereferencer getDereferencer() {
+    return dereferencer;
+  }
+
+  /**
+   * @param dereferencer the dereferencer to be used for dereferencing this reference
+   */
+  public void setDereferencer(URIDereferencer dereferencer) {
+    this.dereferencer = dereferencer;
+  }
+
+}
-- 
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