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From simonetrip...@apache.org
Subject svn commit: r963016 - in /incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa: ./ AbstractRsaSha1Key.java
Date Sun, 11 Jul 2010 08:48:38 GMT
Author: simonetripodi
Date: Sun Jul 11 08:48:38 2010
New Revision: 963016

URL: http://svn.apache.org/viewvc?rev=963016&view=rev
Log:
first checkin of AbstractRsaSha1Key class

Added:
    incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa/
    incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa/AbstractRsaSha1Key.java
  (with props)

Added: incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa/AbstractRsaSha1Key.java
URL: http://svn.apache.org/viewvc/incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa/AbstractRsaSha1Key.java?rev=963016&view=auto
==============================================================================
--- incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa/AbstractRsaSha1Key.java
(added)
+++ incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa/AbstractRsaSha1Key.java
Sun Jul 11 08:48:38 2010
@@ -0,0 +1,88 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.amber.signature.rsa;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLConnection;
+
+import org.apache.amber.signature.Key;
+import org.apache.amber.signature.SignatureException;
+
+/**
+ * Abstract implementation of RSA-SHA1 key.
+ *
+ * @version $Id$
+ */
+abstract class AbstractRsaSha1Key implements Key {
+
+    private static final String[] METHODS = { "RSA-SHA1" };
+
+    private final byte[] byteValue;
+
+    public AbstractRsaSha1Key(String certificateClasspathLocation) throws SignatureException
{
+        this(Thread.currentThread().getContextClassLoader().getResource(certificateClasspathLocation));
+    }
+
+    public AbstractRsaSha1Key(URL certificateURL) throws SignatureException {
+        if (certificateURL == null) {
+            throw new SignatureException("parameter 'certificateURL' must not be null");
+        }
+
+        URLConnection urlConnection = null;
+        InputStream input = null;
+
+        try {
+            urlConnection = certificateURL.openConnection();
+            input = urlConnection.getInputStream();
+
+            this.byteValue = this.readCertificate(input);
+        } catch (Exception e) {
+            throw new SignatureException("Impossible to read the certificate from '"
+                    + certificateURL
+                    + "' URL", e);
+        } finally {
+            if (urlConnection != null && urlConnection instanceof HttpURLConnection)
{
+                ((HttpURLConnection) urlConnection).disconnect();
+            }
+
+            if (input != null) {
+                try {
+                    input.close();
+                } catch (IOException e) {
+                    // close quietly
+                }
+            }
+        }
+    }
+
+    public final byte[] getByteValue() {
+        return this.byteValue;
+    }
+
+    protected abstract byte[] readCertificate(InputStream input) throws Exception;
+
+    /**
+     * {@inheritDoc}
+     */
+    public final String[] getAlgorithmMethods() {
+        return METHODS;
+    }
+
+}

Propchange: incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa/AbstractRsaSha1Key.java
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Propchange: incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa/AbstractRsaSha1Key.java
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Propchange: incubator/amber/trunk/signature-api/src/main/java/org/apache/amber/signature/rsa/AbstractRsaSha1Key.java
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