/*
* 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.model;
import org.codehaus.groovy.runtime.
InvokerHelper;
/**
* Represents a property of a value as a model.
*
* @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
*/
public class
PropertyModel implements
ValueModel,
NestedValueModel {
private
ValueModel sourceModel;
private
String property;
private
Class type;
boolean
editable;
public
PropertyModel(
ValueModel sourceModel,
String property) {
this(
sourceModel,
property,
Object.class, true);
}
public
PropertyModel(
ValueModel sourceModel,
String property,
Class type) {
this(
sourceModel,
property,
type, true);
}
public
PropertyModel(
ValueModel sourceModel,
String property,
Class type, boolean
editable) {
this.
sourceModel =
sourceModel;
this.
property =
property;
this.
type =
type;
//TODO After 1.1 we should introspect the meta property and set editable to false if the property is read only
this.
editable =
editable;
}
public
String getProperty() {
return
property;
}
public
ValueModel getSourceModel() {
return
sourceModel;
}
public
Object getValue() {
Object source =
sourceModel.
getValue();
if (
source != null) {
return
InvokerHelper.
getProperty(
source,
property);
}
return null;
}
public void
setValue(
Object value) {
Object source =
sourceModel.
getValue();
if (
source != null) {
InvokerHelper.
setProperty(
source,
property,
value);
}
}
public
Class getType() {
return
type;
}
public boolean
isEditable() {
return
editable;
}
}