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Groovy example source code file (ClassMetaClassGetPropertySite.java)

This example Groovy source code file (ClassMetaClassGetPropertySite.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

abstractcallsite, callsite, callsite, class, class, classinfo, classmetaclassgetpropertysite, classmetaclassgetpropertysite, groovyruntimeexception, metaclass, object, object, throwable

The Groovy ClassMetaClassGetPropertySite.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,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.codehaus.groovy.runtime.callsite;

import groovy.lang.GroovyRuntimeException;
import groovy.lang.MetaClass;

import org.codehaus.groovy.reflection.ClassInfo;
import org.codehaus.groovy.runtime.ScriptBytecodeAdapter;

class ClassMetaClassGetPropertySite extends AbstractCallSite {
    final MetaClass metaClass;
    private final Class aClass;
    private final ClassInfo classInfo;
    private final int version;

    public ClassMetaClassGetPropertySite(CallSite parent, Class aClass) {
        this.aClass = aClass;
        classInfo = ClassInfo.getClassInfo(aClass);
        version = classInfo.getVersion();
        metaClass = classInfo.getMetaClass();

    public final CallSite acceptGetProperty(Object receiver) {
        if (receiver != aClass
            || version != classInfo.getVersion()) // metaClass is invalid
            return createGetPropertySite(receiver);
          return this;

    public final Object getProperty(Object receiver) throws Throwable{
        try {
            return metaClass.getProperty(aClass, name);
        } catch (GroovyRuntimeException gre) {
            throw ScriptBytecodeAdapter.unwrap(gre);

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