Added an invoke expression that will invoke a method on an object. Th…

…is is ibeans specific and can be used to invoke WS from generated classes

git-svn-id: https://svn.codehaus.org/mule/branches/mule-3.x@19719 bf997673-6b11-0410-b953-e057580c5b09

modules/ibeans/src/main/java/org/mule/module/ibeans/config/InvokeExpressionEvaluator.java

@@ -0,0 +1,81 @@
+/*
+ * $Id$
+ * --------------------------------------------------------------------------------------
+ * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
+ *
+ * The software in this package is published under the terms of the CPAL v1.0
+ * license, a copy of which has been included with this distribution in the
+ * LICENSE.txt file.
+ */
+package org.mule.module.ibeans.config;
+
+import org.mule.api.MuleMessage;
+import org.mule.api.expression.ExpressionEvaluator;
+import org.mule.api.expression.ExpressionRuntimeException;
+import org.mule.config.i18n.CoreMessages;
+
+import java.util.Map;
+
+import org.apache.commons.beanutils.MethodUtils;
+
+/**
+ * TODO
+ */
+public class InvokeExpressionEvaluator implements ExpressionEvaluator
+{
+    public Object evaluate(String expression, MuleMessage message)
+    {
+        int i = expression.indexOf(".");
+        String property;
+        String method;
+        if(i > -1)
+        {
+            property = expression.substring(0, i);
+            method = expression.substring(i+1);
+        }
+        else
+        {
+            throw new IllegalArgumentException();
+        }
+        Object[] args;
+
+        if(message.getPayload() instanceof Map)
+        {
+            args = ((Map)message.getPayload()).values().toArray(new Object[]{});
+        }
+        else if(message.getPayload().getClass().isArray())
+        {
+            args = (Object[]) message.getPayload();
+        }
+        else
+        {
+            args = new Object[]{message.getPayload()};
+        }
+        Object o = message.getInvocationProperty(property,null);
+        if(o!=null)
+        {
+            try
+            {
+                return MethodUtils.invokeMethod(o, method, args);
+            }
+            catch (Exception e)
+            {
+                throw new ExpressionRuntimeException(CoreMessages.failedToInvoke(expression), e);
+            }
+        }
+        else
+        {
+            throw new ExpressionRuntimeException(CoreMessages.expressionMalformed(expression, getName()));
+        }
+    }
+
+    public void setName(String name)
+    {
+        throw new UnsupportedOperationException("setName");
+    }
+
+    public String getName()
+    {
+        return "invoke";
+    }
+}

modules/ibeans/src/main/resources/META-INF/services/org/mule/config/registry-bootstrap.properties

@@ -2,4 +2,5 @@ _integrationBeanProcessor=org.mule.module.ibeans.config.IntegrationBeanAnnotated
 _mockIntegrationBeanProcessor=org.mule.module.ibeans.config.MockIntegrationBeansAnnotationProcessor
 _callAnnotationParser=org.mule.module.ibeans.config.CallAnnotationParser
 _ibeansLoader=org.mule.module.ibeans.config.IBeansLoader
+_invokeExpressionEvaluator=org.mule.module.ibeans.config.InvokeExpressionEvaluator