org.codehaus.groovy.runtime.callsite.ClassMetaClassGetPropertySite Maven / Gradle / Ivy
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* 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
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*/
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) {
super(parent);
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);
else
return this;
}
public final Object getProperty(Object receiver) throws Throwable{
try {
return metaClass.getProperty(aClass, name);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
}
}