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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
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NewStaticMetaMethod.java | 0% | 0% | 0% | 0% |
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/*
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* $Id: NewStaticMetaMethod.java,v 1.5 2004/05/18 06:15:45 spullara Exp $
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*
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* Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
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*
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* Redistribution and use of this software and associated documentation
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* ("Software"), with or without modification, are permitted provided that the
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* following conditions are met:
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* 1. Redistributions of source code must retain copyright statements and
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* notices. Redistributions must also contain a copy of this document.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name "groovy" must not be used to endorse or promote products
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* derived from this Software without prior written permission of The Codehaus.
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* For written permission, please contact info@codehaus.org.
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* 4. Products derived from this Software may not be called "groovy" nor may
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* "groovy" appear in their names without prior written permission of The
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* Codehaus. "groovy" is a registered trademark of The Codehaus.
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* 5. Due credit should be given to The Codehaus - http://groovy.codehaus.org/
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*
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* THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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*/
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package org.codehaus.groovy.runtime;
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import groovy.lang.MetaMethod;
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/**
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* A MetaMethod implementation where the underlying method is really a static
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* helper method on some class.
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*
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* This implementation is used to add new static methods to the JDK writing them as normal
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* static methods with the first parameter being the class on which the method is added.
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*
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* @author Guillaume Laforge
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* @version $Revision: 1.5 $
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*/
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public class NewStaticMetaMethod extends MetaMethod { |
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private static final Class[] EMPTY_TYPE_ARRAY = {}; |
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private MetaMethod metaMethod;
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private Class[] logicalParameterTypes;
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public NewStaticMetaMethod(MetaMethod metaMethod) {
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super(metaMethod);
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this.metaMethod = metaMethod;
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Class[] realParameterTypes = metaMethod.getParameterTypes(); |
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int size = realParameterTypes.length;
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if (size <= 1) {
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logicalParameterTypes = EMPTY_TYPE_ARRAY; |
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} |
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else {
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logicalParameterTypes = new Class[--size];
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System.arraycopy(realParameterTypes, 1, logicalParameterTypes, 0, size); |
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} |
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} |
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public Class getDeclaringClass() {
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return getBytecodeParameterTypes()[0];
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} |
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public boolean isStatic() { |
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return true; |
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} |
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public int getModifiers() { |
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return super.getModifiers(); |
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} |
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public Class[] getParameterTypes() {
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return logicalParameterTypes;
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} |
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public Class[] getBytecodeParameterTypes() {
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return super.getParameterTypes(); |
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} |
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public Object invoke(Object object, Object[] arguments) throws Exception { |
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int size = arguments.length;
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Object[] newArguments = new Object[size + 1];
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System.arraycopy(arguments, 0, newArguments, 1, size); |
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newArguments[0] = null;
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return metaMethod.invoke(null, newArguments); |
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} |
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} |
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