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/**
* Copyright 2016 [ZTE] and others.
*
* 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.openo.carbon.bpel.util;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.InputStream;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import net.sf.json.JSONObject;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
public class Xml2JsonUtil {
/**
* transform xml to json
*
* @param xml xml format string
* @return return json string when success; otherwise return null
*/
public static String xml2JSON(String xml) {
JSONObject obj = new JSONObject();
try {
InputStream is = new ByteArrayInputStream(xml.getBytes("utf-8"));
SAXBuilder sb = new SAXBuilder();
Document doc = sb.build(is);
Element root = doc.getRootElement();
obj.put(root.getName(), iterateElement(root));
return obj.toString();
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* transform xml file to json string
*
* @param file java.io.File is an effective xml file
* @return return json string when success; otherwise return null
*/
public static String xml2JSON(File file) {
JSONObject obj = new JSONObject();
try {
SAXBuilder sb = new SAXBuilder();
Document doc = sb.build(file);
Element root = doc.getRootElement();
obj.put(root.getName(), iterateElement(root));
return obj.toString();
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* an iteration function
*
* @param parentElement : org.jdom.Element
* @return java.util.Map
*/
@SuppressWarnings({"unchecked", "rawtypes"})
private static Map iterateElement(Element parentElement) {
List node = parentElement.getChildren();
Element element = null;
Map map = new HashMap();
List list = null;
for (int i = 0; i < node.size(); i++) {
element = (Element) node.get(i);
if (element.getTextTrim().equals("")) {
if (element.getChildren().size() == 0)
continue;
if (map.containsKey(element.getName())) {
Object obj = map.get(element.getName());
if (obj instanceof Map) {
list = new LinkedList();
list.add(obj);
list.add(iterateElement(element));
map.remove(element.getName());
map.put(element.getName(), list);
} else if (obj instanceof List) {
list = (List) obj;
list.add(iterateElement(element));
}
} else {
map.put(element.getName(), iterateElement(element));
}
} else {
map.put(element.getName(), element.getTextTrim());
}
}
return map;
}
public static void main(String[] args) {
System.out.println(Xml2JsonUtil.xml2JSON("<MapSet>" + "<MapGroup id='Sheboygan'>" + "<Map>"
+ "<Type>MapGuideddddddd</Type>" + "<SingleTile>true</SingleTile>" + "<Extension>"
+ "<ResourceId>ddd</ResourceId>" + "</Extension>" + "</Map>" + "<Map>" + "<Type>ccc</Type>"
+ "<SingleTile>ggg</SingleTile>" + "<Extension>" + "<ResourceId>aaa</ResourceId>"
+ "</Extension>" + "</Map>" + "<Extension />" + "</MapGroup>" + "<ddd>" + "33333333"
+ "</ddd>" + "<ddd>" + "444" + "</ddd>" + "</MapSet>"));
String xml =
"<body> <p:helloXsl xmlns:p=\"http://ode/bpel/unit-test.wsdl\"> <!--Exactly 1 occurrence--> <TestPart> <!--Exactly 1 occurrence--> <content>fdsafasdfasdf</content> </TestPart> </p:helloXsl></body>";
System.out.println(Xml2JsonUtil.xml2JSON(xml));
xml =
"<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:unit=\"http://ode/bpel/unit-test.wsdl\"> <soapenv:Header/> <soapenv:Body> <unit:helloXsl> <TestPart> <content>?</content> </TestPart> </unit:helloXsl> </soapenv:Body></soapenv:Envelope>";
System.out.println(Xml2JsonUtil.xml2JSON(xml));
xml =
"<ns:uploadServiceResponse xmlns:ns=\"http://services.deployer.bpel.carbon.wso2.org\"><ns:return xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:nil=\"true\"/></ns:uploadServiceResponse>";
System.out.println(Xml2JsonUtil.xml2JSON(xml));
xml =
"<body> <p:planInput xmlns:p=\"http://www.open-o.org/tosca/nfv/2015/12\"> <!--Exactly 1 occurrence--> <p:sfc_count>2</p:sfc_count> <!--Exactly 1 occurrence--> <p:iaUrl></p:iaUrl> <!--Exactly 1 occurrence--> <p:vnfmId>112</p:vnfmId> <!--Exactly 1 occurrence--> <p:object_context>{\"e\":{\"f\":\"4\"}}</p:object_context> <!--Exactly 1 occurrence--> <p:statusUrl></p:statusUrl> <!--Exactly 1 occurrence--> <p:serviceTemplateId>?</p:serviceTemplateId> <!--Exactly 1 occurrence--> <p:roUrl></p:roUrl> <!--Exactly 1 occurrence--> <p:vl_count>2</p:vl_count> <!--Exactly 1 occurrence--> <p:containerapiUrl>?</p:containerapiUrl> <!--Exactly 1 occurrence--> <p:flavor></p:flavor> <!--Exactly 1 occurrence--> <p:nsInstanceId>223</p:nsInstanceId> <!--Exactly 1 occurrence--> <p:instanceId>334</p:instanceId> <!--Exactly 1 occurrence--> <p:resourceUrl></p:resourceUrl> <!--Exactly 1 occurrence--> <p:vnf_count>2</p:vnf_count> <!--Exactly 1 occurrence--> <p:callbackId></p:callbackId> <!--Exactly 1 occurrence--> <p:object_additionalParamForVnf>[{\"b\":1},{\"c\":{\"d\":\"2\"}}}]</p:object_additionalParamForVnf> <!--Exactly 1 occurrence--> <p:object_additionalParamForNs>[{\"a\":3},{\"e\":{\"f\":\"4\"}}}]</p:object_additionalParamForNs> <!--Exactly 1 occurrence--> <p:flavorParams></p:flavorParams> </p:planInput></body>";
System.out.println(Xml2JsonUtil.xml2JSON(xml));
}
}
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