/*
* Copyright 2004-2008 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.springframework.webflow.engine.model;
import org.springframework.util.ObjectUtils;
/**
* Model support for output mappings.
* <p>
* Maps a single output attribute out of this flow or subflow.
*
* @author Scott Andrews
*/
public class OutputModel extends AbstractMappingModel {
/**
* Create an output mapping model
* @param name the name of the mapping variable
* @param value the value to map
*/
public OutputModel(String name, String value) {
setName(name);
setValue(value);
}
public boolean isMergeableWith(Model model) {
if (!(model instanceof OutputModel)) {
return false;
}
OutputModel output = (OutputModel) model;
return ObjectUtils.nullSafeEquals(getName(), output.getName());
}
public void merge(Model model) {
OutputModel output = (OutputModel) model;
setValue(merge(getValue(), output.getValue()));
setType(merge(getType(), output.getType()));
setRequired(merge(getRequired(), output.getRequired()));
}
public Model createCopy() {
OutputModel copy = new OutputModel(getName(), getValue());
super.fillCopy(copy);
return copy;
}
}