Author: supun
Date: Thu May 6 11:36:31 2010
New Revision: 941671
URL: http://svn.apache.org/viewvc?rev=941671&view=rev
Log:
Code commit for issue SYNAPSE-643
Added:
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/Base64EncodeFunction.java
Modified:
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathConstants.java
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathFunctionContext.java
Added:
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/Base64EncodeFunction.java
URL:
http://svn.apache.org/viewvc/synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/Base64EncodeFunction.java?rev=941671&view=auto
==============================================================================
---
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/Base64EncodeFunction.java
(added)
+++
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/Base64EncodeFunction.java
Thu May 6 11:36:31 2010
@@ -0,0 +1,89 @@
+/*
+ * 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.synapse.util.xpath;
+
+import org.jaxen.Function;
+import org.jaxen.Context;
+import org.jaxen.FunctionCallException;
+import org.jaxen.function.StringFunction;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.commons.codec.binary.Base64;
+
+import java.util.List;
+
+/**
+ * Implements the XPath extension function synapse:base64Encode(string)
+ */
+public class Base64EncodeFunction implements Function {
+ private static final Log log =
LogFactory.getLog(Base64EncodeFunction.class);
+
+ public static final String NULL_STRING = "";
+
+ /**
+ * Returns the base64 encoded string value of the first argument.
+ *
+ * @param context the context at the point in the expression when the
function is called
+ * @param args arguments of the functions
+ * @return The string value of a property
+ * @throws FunctionCallException
+ */
+ public Object call(Context context, List args) throws
FunctionCallException {
+ boolean debugOn = log.isDebugEnabled();
+
+ if (args == null || args.size() == 0) {
+ if (debugOn) {
+ log.debug("Property key value for lookup is not specified");
+ }
+ return NULL_STRING;
+ }
+
+ int size = args.size();
+ if (size == 1) {
+ // get the first argument, it can be a function returning a string
as well
+ String value = StringFunction.evaluate(args.get(0),
context.getNavigator());
+
+ if (value == null || "".equals(value)) {
+ if (debugOn) {
+ log.debug("Non emprty string value should be provided for
encoding");
+ }
+
+ return NULL_STRING;
+ }
+
+ // convert the first argument to a base64 encoded value
+ byte[] encodedValue = new Base64().encode(value.getBytes());
+ String encodedString = new String(encodedValue);
+
+ if (debugOn) {
+ log.debug("Converted string: " + value +
+ "to base64 encoded value: " + encodedString);
+ }
+
+ return encodedString;
+ } else {
+ if (debugOn) {
+ log.debug("base64Encode function expects only one argument,
returning empty string");
+ }
+ }
+ // return empty string if the arguments are wrong
+ return NULL_STRING;
+ }
+}
Modified:
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathConstants.java
URL:
http://svn.apache.org/viewvc/synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathConstants.java?rev=941671&r1=941670&r2=941671&view=diff
==============================================================================
---
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathConstants.java
(original)
+++
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathConstants.java
Thu May 6 11:36:31 2010
@@ -27,6 +27,9 @@ public final class SynapseXPathConstants
/** Get-Property XPath extension function name */
public static final String GET_PROPERTY_FUNCTION = "get-property";
+ /** base64Encode XPath extension function name */
+ public static final String BASE64_ENCODE_FUNCTION = "base64Encode";
+
/** Body relative XPath variale name for the SOAPBody */
public static final String SOAP_BODY_VARIABLE = "body";
Modified:
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathFunctionContext.java
URL:
http://svn.apache.org/viewvc/synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathFunctionContext.java?rev=941671&r1=941670&r2=941671&view=diff
==============================================================================
---
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathFunctionContext.java
(original)
+++
synapse/trunk/java/modules/core/src/main/java/org/apache/synapse/util/xpath/SynapseXPathFunctionContext.java
Thu May 6 11:36:31 2010
@@ -77,6 +77,10 @@ public class SynapseXPathFunctionContext
// function and set it to the xpath
return new GetPropertyFunction(synCtx);
+ } else if (localName != null &&
+
SynapseXPathConstants.BASE64_ENCODE_FUNCTION.equals(localName)) {
+ // create a base64Encode function and set it to the XPath
+ return new Base64EncodeFunction();
}
// if not the get-property function then try to get it from the parent
context
