1 files changed, 65 insertions, 0 deletions
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/ByteArrayDereferencer.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/ByteArrayDereferencer.java
new file mode 100644
index 00000000..a6473a05
--- /dev/null
+++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/ByteArrayDereferencer.java
@@ -0,0 +1,65 @@
+/*
+* 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 java.io.ByteArrayInputStream;
+
+import javax.xml.crypto.Data;
+import javax.xml.crypto.OctetStreamData;
+import javax.xml.crypto.URIDereferencer;
+import javax.xml.crypto.URIReference;
+import javax.xml.crypto.URIReferenceException;
+import javax.xml.crypto.XMLCryptoContext;
+
+/**
+ * An URIDereferencer implementation that dereferences the given
+ * byte array.
+ * 
+ * @author mcentner
+ */
+public class ByteArrayDereferencer implements URIDereferencer {
+
+  /**
+   * The dereferenced data.
+   */
+  protected byte[] dereferencedData;
+  
+  /**
+   * Creates a new instance of this ByteArrayDereferencer with
+   * the given <code>dereferencedData</code>.
+   * 
+   * @param dereferencedData the octets to be returned by {@link #dereference(URIReference, XMLCryptoContext)}
+   * 
+   * @throws NullPointerException if <code>dereferencedData</code> is <code>null</code>
+   */
+  public ByteArrayDereferencer(byte[] dereferencedData) {
+    if (dereferencedData == null) {
+      throw new NullPointerException("Parameter 'dereferencedData' must not be null.");
+    }
+    this.dereferencedData = dereferencedData;
+  }
+
+  /* (non-Javadoc)
+   * @see javax.xml.crypto.URIDereferencer#dereference(javax.xml.crypto.URIReference, javax.xml.crypto.XMLCryptoContext)
+   */
+  @Override
+  public Data dereference(URIReference uriReference, XMLCryptoContext context)
+      throws URIReferenceException {
+    return new OctetStreamData(new ByteArrayInputStream(dereferencedData));
+  }
+
+}