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Groovy example source code file (GetEffectivePojoFieldSite.java)

This example Groovy source code file (GetEffectivePojoFieldSite.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, cachedfield, callsite, cannot, field, geteffectivepojofieldsite, geteffectivepojofieldsite, groovyruntimeexception, illegalaccessexception, illegalaccessexception, metaclassimpl, metaclassimpl, object, object, reflection

The Groovy GetEffectivePojoFieldSite.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.MetaClassImpl;

import java.lang.reflect.Field;

import org.codehaus.groovy.reflection.CachedField;
import org.codehaus.groovy.runtime.GroovyCategorySupport;

class GetEffectivePojoFieldSite extends AbstractCallSite {
    private final MetaClassImpl metaClass;
    private final Field effective;
    private final int version;

    public GetEffectivePojoFieldSite(CallSite site, MetaClassImpl metaClass, CachedField effective) {
        this.metaClass = metaClass;
        this.effective = effective.field;
        version = metaClass.getVersion();

//    public final Object callGetProperty (Object receiver) throws Throwable {
//        return acceptGetProperty(receiver).getProperty(receiver);
//    }

    public final CallSite acceptGetProperty(Object receiver) {
        if (GroovyCategorySupport.hasCategoryInCurrentThread() || receiver.getClass() != metaClass.getTheClass()
            || version != metaClass.getVersion()) { // metaClass is invalid
            return createGetPropertySite(receiver);
        } else {
            return this;

    public final Object getProperty(Object receiver) {
        try {
            return effective.get(receiver);
        } catch (IllegalAccessException e) {
            throw new GroovyRuntimeException("Cannot get the property '" + name + "'.", e);

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