groovy.lang.GroovyObjectSupport Maven / Gradle / Ivy
/*
* 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 groovy.lang;
import org.codehaus.groovy.runtime.InvokerHelper;
/**
* A useful base class for Java objects wishing to be Groovy objects
*
* @author James Strachan
*/
public abstract class GroovyObjectSupport implements GroovyObject {
// never persist the MetaClass
private transient MetaClass metaClass;
public GroovyObjectSupport() {
this.metaClass = getDefaultMetaClass();
}
public Object getProperty(String property) {
return getMetaClass().getProperty(this, property);
}
public void setProperty(String property, Object newValue) {
getMetaClass().setProperty(this, property, newValue);
}
public Object invokeMethod(String name, Object args) {
return getMetaClass().invokeMethod(this, name, args);
}
public MetaClass getMetaClass() {
return this.metaClass;
}
public void setMetaClass(MetaClass metaClass) {
this.metaClass =
null == metaClass
? getDefaultMetaClass()
: metaClass;
}
private MetaClass getDefaultMetaClass() {
return InvokerHelper.getMetaClass(this.getClass());
}
}