/*
* 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.MetaClassImpl;
import groovy.lang.MetaMethod;
import org.codehaus.groovy.runtime.MetaClassHelper;
import org.codehaus.groovy.runtime.ScriptBytecodeAdapter;
/**
* Call site for invoking static methods
* meta class - cached
* method - not cached
*
* @author Alex Tkachman
*/
public class ConstructorMetaMethodSite extends MetaMethodSite {
private final int version;
public ConstructorMetaMethodSite(CallSite site, MetaClassImpl metaClass, MetaMethod method, Class [] params) {
super(site, metaClass, method, params);
this.version = metaClass.getVersion();
}
public final Object invoke(Object receiver, Object [] args) throws Throwable{
MetaClassHelper.unwrap(args);
try {
return metaMethod.doMethodInvoke(metaClass.getTheClass(), args);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
}
public final Object callConstructor(Object receiver, Object[] args) throws Throwable {
if (receiver == metaClass.getTheClass() // meta class match receiver
&& ((MetaClassImpl)metaClass).getVersion() == version // metaClass still be valid
&& MetaClassHelper.sameClasses(params, args) )
{
MetaClassHelper.unwrap(args);
try {
return metaMethod.doMethodInvoke(metaClass.getTheClass(), args);
} catch (GroovyRuntimeException gre) {
throw ScriptBytecodeAdapter.unwrap(gre);
}
} else {
return CallSiteArray.defaultCallConstructor(this, receiver, args);
}
}
}