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Groovy: A powerful multi-faceted language for the JVM
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.MetaClassImpl;
import groovy.lang.MetaProperty;
import org.codehaus.groovy.runtime.GroovyCategorySupport;
import org.codehaus.groovy.runtime.ScriptBytecodeAdapter;
public class GetEffectivePojoPropertySite extends AbstractCallSite {
private final MetaClassImpl metaClass;
private final MetaProperty effective;
private final int version;
public GetEffectivePojoPropertySite(final CallSite site, final MetaClassImpl metaClass, final MetaProperty effective) {
super(site);
this.metaClass = metaClass;
this.effective = effective;
version = metaClass.getVersion();
}
@Override
public final CallSite acceptGetProperty(final Object receiver) {
if (receiver == null || receiver.getClass() != metaClass.getTheClass()
|| version != metaClass.getVersion() // metaClass is invalid
|| GroovyCategorySupport.hasCategoryInCurrentThread()) {
return createGetPropertySite(receiver);
} else {
return this;
}
}
@Override
public final Object getProperty(Object receiver) throws Throwable {
try {
return effective.getProperty(receiver);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
}
}
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