JettisonArrayProvider.java

/*
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 *
 * Copyright (c) 2010-2012 Oracle and/or its affiliates. All rights reserved.
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 * 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
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package org.glassfish.jersey.jettison.internal.entity;

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.glassfish.jersey.jettison.internal.LocalizationMessages;

import org.codehaus.jettison.json.JSONArray;
import org.codehaus.jettison.json.JSONException;

/**
 * Low-level JSON media type message entity provider (reader & writer) for
 * {@link JSONArray}.
 *
 * @author Jakub Podlesak (jakub.podlesak at oracle.com)
 */
public class JettisonArrayProvider extends JettisonLowLevelProvider<JSONArray> {

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

    @Produces("*/*")
    @Consumes("*/*")
    public static final class General extends JettisonArrayProvider {

        @Override
        protected boolean isSupported(MediaType m) {
            return m.getSubtype().endsWith("+json");
        }
    }

    JettisonArrayProvider() {
        super(JSONArray.class);
    }

    @Override
    public JSONArray readFrom(
            Class<JSONArray> type,
            Type genericType,
            Annotation annotations[],
            MediaType mediaType,
            MultivaluedMap<String, String> httpHeaders,
            InputStream entityStream) throws IOException {
        try {
            return new JSONArray(readFromAsString(entityStream, mediaType));
        } catch (JSONException je) {
            throw new WebApplicationException(
                    new Exception(LocalizationMessages.ERROR_PARSING_JSON_ARRAY(), je),
                    400);
        }
    }

    @Override
    public void writeTo(
            JSONArray t,
            Class<?> type,
            Type genericType,
            Annotation annotations[],
            MediaType mediaType,
            MultivaluedMap<String, Object> httpHeaders,
            OutputStream entityStream) throws IOException {
        try {
            OutputStreamWriter writer = new OutputStreamWriter(entityStream,
                    getCharset(mediaType));
            t.write(writer);
            writer.write("\n");
            writer.flush();
        } catch (JSONException je) {
            throw new WebApplicationException(
                    new Exception(LocalizationMessages.ERROR_WRITING_JSON_ARRAY(), je),
                    500);
        }
    }
}