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/*
* 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 org.apache.tuscany.sca.databinding.json;
import java.util.Collection;
import org.apache.tuscany.sca.databinding.json.jackson.JacksonHelper;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.JsonParser;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;
import org.apache.wink.json4j.JSONArray;
/**
* @version $Rev$ $Date$
*/
public class JSONHelper {
private JSONHelper() {
}
/**
* Convert to Jettison JSONObject
* @param source
* @return
*/
public static JSONObject toJettison(Object source) {
JSONObject json = null;
if (source instanceof JSONObject) {
json = (JSONObject)source;
} else if (source instanceof org.apache.wink.json4j.JSONObject || source instanceof String) {
json = stringToJettision(source.toString());
} else if (source instanceof JsonNode) {
json = stringToJettision(JacksonHelper.toString((JsonNode)source));
} else if (source instanceof JsonParser) {
json = stringToJettision(JacksonHelper.toString((JsonParser)source));
}
return json;
}
private static JSONObject stringToJettision(String content) {
try {
return new JSONObject(content);
} catch (JSONException e) {
throw new IllegalArgumentException(e);
}
}
/**
* Convert to org.apache.wink.json4j.JSONObject
* @param source
* @return
*/
public static org.apache.wink.json4j.JSONObject toJSONOrg(Object source) {
org.apache.wink.json4j.JSONObject json = null;
if (source instanceof JSONObject) {
try {
json = new org.apache.wink.json4j.JSONObject(((JSONObject)source).toString());
} catch (org.apache.wink.json4j.JSONException e) {
throw new IllegalArgumentException(e);
}
} else if (source instanceof org.apache.wink.json4j.JSONObject) {
json = (org.apache.wink.json4j.JSONObject)source;
}
return json;
}
public static Object toJSON(String json, Class<?> type) {
if (type == JSONObject.class) {
try {
return new JSONObject(json);
} catch (JSONException e) {
throw new IllegalArgumentException(e);
}
} else {
if (type == null) {
type = org.apache.wink.json4j.JSONObject.class;
}
try {
if (type == JSONArray.class || type.isArray() || Collection.class.isAssignableFrom(type)) {
return new JSONArray(json);
}
return JacksonHelper.MAPPER.readValue(json, org.apache.wink.json4j.JSONObject.class);
} catch (Exception e) {
throw new IllegalArgumentException(e);
}
}
}
}
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