Groovy example source code file (NewStaticMetaMethod.java)

This example Groovy source code file (NewStaticMetaMethod.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

newmetamethod, newmetamethod, newstaticmetamethod, newstaticmetamethod, object, object, reflection

The Groovy NewStaticMetaMethod.java source code

/*
 * Copyright 2003-2007 the original author or authors.
 *
 * Licensed 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.codehaus.groovy.runtime.metaclass;

import org.codehaus.groovy.reflection.CachedMethod;

import java.lang.reflect.Modifier;

/**
 * A MetaMethod implementation where the underlying method is really a static
 * helper method on some class.
 *
 * This implementation is used to add new static methods to the JDK writing them as normal
 * static methods with the first parameter being the class on which the method is added.
 *
 * @author Guillaume Laforge
 * @version $Revision: 8959 $
 */
public class NewStaticMetaMethod extends NewMetaMethod {

    public NewStaticMetaMethod(CachedMethod method) {
        super(method);
    }

    public boolean isStatic() {
        return true;
    }

    public int getModifiers() {
        return Modifier.PUBLIC | Modifier.STATIC;
    }

    public Object invoke(Object object, Object[] arguments) {
        int size = arguments.length;
        Object[] newArguments = new Object[size + 1];
        System.arraycopy(arguments, 0, newArguments, 1, size);
        newArguments[0] = null;
        return super.invoke(null, newArguments);
    }
}