1 files changed, 133 insertions, 0 deletions
diff --git a/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/PutExecutor.java b/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/PutExecutor.java
new file mode 100644
index 00000000..09072615
--- /dev/null
+++ b/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/PutExecutor.java
@@ -0,0 +1,133 @@
+package org.apache.velocity.runtime.parser.node;
+
+/*
+ * 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.
+ */
+
+import org.apache.velocity.exception.VelocityException;
+import org.apache.velocity.util.introspection.Introspector;
+import org.slf4j.Logger;
+
+import java.lang.reflect.InvocationTargetException;
+
+
+/**
+ * Executor that simply tries to execute a put(key, value)
+ * operation. This will try to find a put(key) method
+ * for any type of object, not just objects that
+ * implement the Map interface as was previously
+ * the case.
+ *
+ * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
+ * @author <a href="mailto:henning@apache.org">Henning P. Schmiedehausen</a>
+ * @version $Id$
+ * @since 1.5
+ */
+public class PutExecutor extends SetExecutor
+{
+    private final Introspector introspector;
+    private final String property;
+
+    /**
+     * @param log
+     * @param introspector
+     * @param clazz
+     * @param arg
+     * @param property
+     */
+    public PutExecutor(final Logger log, final Introspector introspector,
+            final Class<?> clazz, final Object arg, final String property)
+    {
+        this.log = log;
+        this.introspector = introspector;
+        this.property = property;
+
+        discover(clazz, arg);
+    }
+
+    /**
+     * @param clazz
+     * @param arg
+     */
+    protected void discover(final Class<?> clazz, final Object arg)
+    {
+        Object [] params;
+
+        // If you passed in null as property, we don't use the value
+        // for parameter lookup. Instead we just look for put(Object) without
+        // any parameters.
+        //
+        // In any other case, the following condition will set up an array
+        // for looking up put(String, Object) on the class.
+
+        if (property == null)
+        {
+            // The passed in arg object is used by the Cache to look up the method.
+            params = new Object[] { arg };
+        }
+        else
+        {
+            params = new Object[] { property, arg };
+        }
+
+        try
+        {
+            setMethod(introspector.getMethod(clazz, "put", params));
+        }
+        /*
+         * pass through application level runtime exceptions
+         */
+        catch( RuntimeException e )
+        {
+            throw e;
+        }
+        catch(Exception e)
+        {
+            String msg = "Exception while looking for put('" + params[0] + "') method";
+            log.error(msg, e);
+            throw new VelocityException(msg, e);
+        }
+    }
+
+    /**
+     * @see org.apache.velocity.runtime.parser.node.SetExecutor#execute(java.lang.Object, java.lang.Object)
+     */
+    @Override
+    public Object execute(final Object o, final Object value)
+        throws IllegalAccessException,  InvocationTargetException
+    {
+        Object [] params;
+
+        if (isAlive())
+        {
+            // If property != null, pass in the name for put(key, value). Else just put(value).
+            if (property == null)
+            {
+                params = new Object [] { value };
+            }
+            else
+            {
+                params = new Object [] { property, value };
+            }
+
+            return getMethod().invoke(o, params);
+        }
+
+        return null;
+    }
+}