att.jaxrs.util.Marshal.java Source code

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Here is the source code for att.jaxrs.util.Marshal.java

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/*
 * Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *  WSO2 Inc. 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 att.jaxrs.util;

import att.jaxrs.client.XmlRootElement;
import org.apache.http.HttpResponse;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

/**
 * Created by ananthaneshan on 10/8/14.
 */
public final class Marshal {
    private Marshal() {
    }

    public static <T> T unmarshal(Class<T> xmlType, InputStream inputStream) {
        System.out.println("unmarshalling input stream");
        BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
        StringBuilder out = new StringBuilder();
        try {
            String line;
            while ((line = reader.readLine()) != null) {
                out.append(line);
            }
        } catch (IOException e) {
            System.out.println(e.getMessage());
        }
        String namespace = out.toString();

        namespace = namespace.replaceAll(Constants.DATA_SERVICE_XMLNS, "");

        InputStream stream = Util.getInputStreamFromString(namespace);
        JAXBContext jaxbContext;
        XmlRootElement doc = null;
        try {
            jaxbContext = JAXBContext.newInstance(xmlType);
            Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
            doc = (XmlRootElement) unmarshaller.unmarshal(stream);
            System.out.println("unmarshall successful");
        } catch (JAXBException e) {
            e.printStackTrace();
        }
        return (T) doc;
    }

    public static <T> T unmarshal(Class<T> xmlType, HttpResponse httpResponse) throws JAXBException {
        String namespace = "";
        try {
            namespace = Util.getStringFromInputStream(httpResponse.getEntity().getContent());
            System.out.println(namespace);
        } catch (IOException e) {
            System.out.println(e.getMessage());
        }

        System.out.println(namespace);
        namespace = namespace.replaceAll(Constants.DATA_SERVICE_XMLNS, "");
        System.out.println(namespace);
        InputStream stream = Util.getInputStreamFromString(namespace);
        JAXBContext jaxbContext = JAXBContext.newInstance(xmlType);
        Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();

        return (T) unmarshaller.unmarshal(stream);
    }

    public static <T> T unmarshal(Class<T> xmlType, final String xmlString) {
        String namespace = xmlString;
        System.out.println(namespace);

        namespace = namespace.replaceAll(Constants.DATA_SERVICE_XMLNS, "");
        System.out.println(namespace);

        InputStream stream = Util.getInputStreamFromString(namespace);
        JAXBContext jaxbContext;
        T t = null;
        try {
            jaxbContext = JAXBContext.newInstance(xmlType);
            Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
            t = (T) unmarshaller.unmarshal(stream);
        } catch (JAXBException e) {
            e.printStackTrace();
        }
        return t;
    }
}