001    // Copyright 2004, 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.examples.panorama.startup.impl;
016    
017    import java.lang.reflect.Method;
018    
019    import org.apache.examples.panorama.startup.Executable;
020    
021    /**
022     * Used to access the legacy startup code that is in the form
023     * of a public static method (usually <code>init()</code>) on some
024     * class.
025     *
026     * @author Howard Lewis Ship
027     */
028    public class ExecuteStatic implements Executable
029    {
030        private String _methodName = "init";
031        private Class _targetClass;
032    
033        public void execute() throws Exception
034        {
035            Method m = _targetClass.getMethod(_methodName, (Class []) null);
036    
037            m.invoke(null, (Object []) null);
038        }
039    
040        /**
041         * Sets the name of the method to invoke; if not set, the default is <code>init</code>.
042         * The target class must have a public static method with that name taking no
043         * parameters.
044         */
045        public void setMethodName(String string)
046        {
047            _methodName = string;
048        }
049    
050        /**
051         * Sets the class to invoke the method on.
052         */
053        public void setTargetClass(Class targetClass)
054        {
055            _targetClass = targetClass;
056        }
057    
058    }