Groovy example source code file (GetEffectivePogoPropertySite.java)

This example Groovy source code file (GetEffectivePogoPropertySite.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, geteffectivepogopropertysite, groovyobject, groovyobject, groovyruntimeexception, groovyruntimeexception, metaclass, metaproperty, object, object, throwable, throwable

The Groovy GetEffectivePogoPropertySite.java source code

/*
 * Copyright 2003-2010 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.callsite;

import groovy.lang.GroovyRuntimeException;
import groovy.lang.MetaClass;
import groovy.lang.MetaProperty;
import groovy.lang.GroovyObject;
import org.codehaus.groovy.runtime.GroovyCategorySupport;
import org.codehaus.groovy.runtime.ScriptBytecodeAdapter;

/**
 * Created by IntelliJ IDEA.
* User: applerestore
* Date: May 21, 2008
* Time: 10:37:37 AM
* To change this template use File | Settings | File Templates.
*/
class GetEffectivePogoPropertySite extends AbstractCallSite {
    private final MetaClass metaClass;
    private final MetaProperty effective;

    public GetEffectivePogoPropertySite(CallSite site, MetaClass metaClass, MetaProperty effective) {
        super(site);
        this.metaClass = metaClass;
        this.effective = effective;
    }

    public final Object callGetProperty (Object receiver) throws Throwable {
        if (GroovyCategorySupport.hasCategoryInCurrentThread() || !(receiver instanceof GroovyObject) || ((GroovyObject) receiver).getMetaClass() != metaClass) {
            return createGetPropertySite(receiver).getProperty(receiver);
        } else {
            try {
                return effective.getProperty(receiver);
            } catch (GroovyRuntimeException gre) {
                throw ScriptBytecodeAdapter.unwrap(gre);
            }
        }
    }

    public final CallSite acceptGetProperty(Object receiver) {
        if (GroovyCategorySupport.hasCategoryInCurrentThread() || !(receiver instanceof GroovyObject) || ((GroovyObject)receiver).getMetaClass() != metaClass) {
            return createGetPropertySite(receiver);
        } else {
            return this;
        }
    }

    public final Object callGroovyObjectGetProperty (Object receiver) throws Throwable {
        if (GroovyCategorySupport.hasCategoryInCurrentThread() || !(receiver instanceof GroovyObject) || ((GroovyObject) receiver).getMetaClass() != metaClass) {
            return createGetPropertySite(receiver).getProperty(receiver);
        } else {
            try {
                return effective.getProperty(receiver);
            } catch (GroovyRuntimeException gre) {
                throw ScriptBytecodeAdapter.unwrap(gre);
            }
        }
    }

    public final CallSite acceptGroovyObjectGetProperty(Object receiver) {
        if (GroovyCategorySupport.hasCategoryInCurrentThread() || !(receiver instanceof GroovyObject) || ((GroovyObject)receiver).getMetaClass() != metaClass) {
            return createGroovyObjectGetPropertySite(receiver);
        } else {
            return this;
        }
    }

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