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Diffstat (limited to 'velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/SetExecutor.java')
-rw-r--r--velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/SetExecutor.java87
1 files changed, 87 insertions, 0 deletions
diff --git a/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/SetExecutor.java b/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/SetExecutor.java
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index 00000000..461c92a8
--- /dev/null
+++ b/velocity-engine-core/src/main/java/org/apache/velocity/runtime/parser/node/SetExecutor.java
@@ -0,0 +1,87 @@
+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.slf4j.Logger;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+/**
+ * Abstract class that is used to execute an arbitrary
+ * method that is in introspected. This is the superclass
+ * for the PutExecutor and SetPropertyExecutor.
+ *
+ * There really should be a superclass for this and AbstractExecutor (which should
+ * be refactored to GetExecutor) because they differ only in the execute() method.
+ *
+ * @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
+ * @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
+ * @author <a href="mailto:henning@apache.org">Henning P. Schmiedehausen</a>
+ * @version $Id$
+ * @since 1.5
+ */
+public abstract class SetExecutor
+{
+ /** Class logger */
+ protected Logger log = null;
+
+ /**
+ * Method to be executed.
+ */
+ private Method method = null;
+
+ /**
+ * Execute method against context.
+ * @param o
+ * @param value
+ * @return The result of the invocation.
+ * @throws IllegalAccessException
+ * @throws InvocationTargetException
+ */
+ public abstract Object execute(Object o, Object value)
+ throws IllegalAccessException, InvocationTargetException;
+
+ /**
+ * Tell whether the executor is alive by looking
+ * at the value of the method.
+ * @return True if the executor is alive.
+ */
+ public boolean isAlive()
+ {
+ return (method != null);
+ }
+
+ /**
+ * @return The method to invoke.
+ */
+ public Method getMethod()
+ {
+ return method;
+ }
+
+ /**
+ * @param method
+ */
+ protected void setMethod(final Method method)
+ {
+ this.method = method;
+ }
+}