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• JSONObjectProvider.java

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com.sun.jersey.json.impl.provider.entity.JSONObjectProvider Maven / Gradle / Ivy

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2010-2011 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package com.sun.jersey.json.impl.provider.entity;


import com.sun.jersey.json.impl.ImplMessages;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import org.codehaus.jettison.json.JSONException;
import org.codehaus.jettison.json.JSONObject;

/**
 *
 * @author japod
 */
public class JSONObjectProvider extends JSONLowLevelProvider{

    @Produces("application/json")
    @Consumes("application/json")
    public static final class App extends JSONObjectProvider {
    }

    @Produces("*/*")
    @Consumes("*/*")
    public static final class General extends JSONObjectProvider {
        @Override
        protected boolean isSupported(MediaType m) {
            return m.getSubtype().endsWith("+json");
        }
    }

    JSONObjectProvider() {
        super(JSONObject.class);
    }

    public JSONObject readFrom(
            Class type, 
            Type genericType, 
            Annotation annotations[],
            MediaType mediaType, 
            MultivaluedMap httpHeaders, 
            InputStream entityStream) throws IOException {
        try {
            return new JSONObject(readFromAsString(entityStream, mediaType));
        } catch (JSONException je) {
            throw new WebApplicationException(
                    new Exception(ImplMessages.ERROR_PARSING_JSON_OBJECT(), je),
                    400);
        }
    }
    
    public void writeTo(
            JSONObject t, 
            Class type, 
            Type genericType, 
            Annotation annotations[], 
            MediaType mediaType, 
            MultivaluedMap httpHeaders,
            OutputStream entityStream) throws IOException {
        try {
            OutputStreamWriter writer = new OutputStreamWriter(entityStream, 
                    getCharset(mediaType));
            t.write(writer);
            writer.flush();
        } catch (JSONException je) {
            throw new WebApplicationException(
                    new Exception(ImplMessages.ERROR_WRITING_JSON_OBJECT(), je),
                    500);
        }
    }
}