/*
* 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.grails.web.converters.marshaller.json;
import grails.converters.JSON;
import java.util.Map;
import org.codehaus.groovy.grails.web.json.JSONWriter;
import org.grails.web.converters.exceptions.ConverterException;
import org.grails.web.converters.marshaller.ObjectMarshaller;
/**
* @author Siegfried Puchbauer
* @since 1.1
*/
@SuppressWarnings("unchecked")
public class MapMarshaller implements ObjectMarshaller<JSON> {
public boolean supports(Object object) {
return object instanceof Map;
}
public void marshalObject(Object o, JSON converter) throws ConverterException {
JSONWriter writer = converter.getWriter();
writer.object();
Map<Object,Object> map = (Map<Object,Object>) o;
for (Map.Entry<Object,Object> entry : map.entrySet()) {
Object key = entry.getKey();
if (key != null) {
writer.key(key.toString());
converter.convertAnother(entry.getValue());
}
}
writer.endObject();
}
}