/*
* This file was modified to fit the EasyJSON project.
*
* Copyright (c) 2007 Thomas Abeel <thomas.abeel@gmail.com>
*
* 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.
*
*
* Original work:
*
* JSON-RPC-Java - a JSON-RPC to Java Bridge with dynamic invocation
*
* $Id: SetSerializer.java,v 1.5.2.2 2006/03/06 12:39:21 mclark Exp $
*
* Copyright Metaparadigm Pte. Ltd. 2004.
* Michael Clark <michael@metaparadigm.com>
*/
package net.sf.easyjson;
import java.util.Set;
import java.util.AbstractSet;
import java.util.LinkedHashSet;
import java.util.HashSet;
import java.util.TreeSet;
import java.util.Iterator;
import org.json.JSONObject;
class SetSerializer extends AbstractSerializer {
private static Class[] _serializableClasses = new Class[] { Set.class, HashSet.class, TreeSet.class,
LinkedHashSet.class };
private static Class[] _JSONClasses = new Class[] { JSONObject.class };
public Class[] getSerializableClasses() {
return _serializableClasses;
}
public Class[] getJSONClasses() {
return _JSONClasses;
}
public boolean canSerialize(Class clazz, Class jsonClazz) {
return (super.canSerialize(clazz, jsonClazz) || ((jsonClazz == null || jsonClazz == JSONObject.class) && Set.class
.isAssignableFrom(clazz)));
}
public ObjectMatch tryUnmarshall(SerializerState state, Class clazz, Object o) throws UnmarshallException {
JSONObject jso = (JSONObject) o;
String java_class = jso.getString("javaClass");
if (java_class == null)
throw new UnmarshallException("no type hint");
if (!(java_class.equals("java.util.Set") || java_class.equals("java.util.AbstractSet")
|| java_class.equals("java.util.LinkedHashSet") || java_class.equals("java.util.TreeSet") || java_class
.equals("java.util.HashSet")))
throw new UnmarshallException("not a Set");
JSONObject jsonset = jso.getJSONObject("set");
if (jsonset == null)
throw new UnmarshallException("set missing");
ObjectMatch m = new ObjectMatch(-1);
Iterator i = jsonset.keys();
String key = null;
try {
while (i.hasNext()) {
key = (String) i.next();
m = ser.tryUnmarshall(state, null, jsonset.get(key)).max(m);
}
} catch (UnmarshallException e) {
throw new UnmarshallException("key " + key + " " + e.getMessage());
}
return m;
}
public Object unmarshall(SerializerState state, Class clazz, Object o) throws UnmarshallException {
JSONObject jso = (JSONObject) o;
String java_class = jso.getString("javaClass");
if (java_class == null)
throw new UnmarshallException("no type hint");
AbstractSet abset = null;
if (java_class.equals("java.util.Set") || java_class.equals("java.util.AbstractSet")
|| java_class.equals("java.util.HashSet")) {
abset = new HashSet();
} else if (java_class.equals("java.util.TreeSet")) {
abset = new TreeSet();
} else if (java_class.equals("java.util.LinkedHashSet")) {
abset = new LinkedHashSet();
} else {
throw new UnmarshallException("not a Set");
}
JSONObject jsonset = jso.getJSONObject("set");
if (jsonset == null)
throw new UnmarshallException("set missing");
Iterator i = jsonset.keys();
String key = null;
try {
while (i.hasNext()) {
key = (String) i.next();
Object setElement = jsonset.get(key);
abset.add(ser.unmarshall(state, null, setElement));
}
} catch (UnmarshallException e) {
throw new UnmarshallException("key " + i + e.getMessage());
}
return abset;
}
public Object marshall(SerializerState state, Object o) throws MarshallException {
Set set = (Set) o;
JSONObject obj = new JSONObject();
JSONObject setdata = new JSONObject();
if (ser.getMarshallClassHints())
obj.put("javaClass", o.getClass().getName());
obj.put("set", setdata);
Object key = null;
Iterator i = set.iterator();
try {
while (i.hasNext()) {
key = i.next();
// only support String keys
setdata.put(key.toString(), ser.marshall(state, key));
}
} catch (MarshallException e) {
throw new MarshallException("set key " + key + e.getMessage());
}
return obj;
}
}