/*
* 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.wink.providers.json4j;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
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 javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.MessageBodyWriter;
import javax.ws.rs.ext.Provider;
import org.apache.wink.common.internal.utils.MediaTypeUtils;
import org.apache.wink.common.utils.ProviderUtils;
import org.apache.wink.json4j.JSONArray;
import org.apache.wink.json4j.JSONException;
@Provider
@Consumes(value = {MediaType.APPLICATION_JSON, "application/javascript"})
@Produces(value = {MediaType.APPLICATION_JSON, "application/javascript"})
public class JSON4JArrayProvider implements MessageBodyWriter<JSONArray>,
MessageBodyReader<JSONArray> {
public boolean isReadable(Class<?> clazz,
Type type,
Annotation[] annotations,
MediaType mediaType) {
return JSONArray.class == clazz;
}
public JSONArray readFrom(Class<JSONArray> clazz,
Type type,
Annotation[] annotations,
MediaType mediaType,
MultivaluedMap<String, String> headers,
InputStream is) throws IOException, WebApplicationException {
try {
return new JSONArray(new InputStreamReader(is, ProviderUtils.getCharset(mediaType)),
false);
} catch (JSONException e) {
throw new WebApplicationException(e, 400);
}
}
public long getSize(JSONArray obj,
Class<?> clazz,
Type type,
Annotation[] annotations,
MediaType mediaType) {
return -1;
}
public boolean isWriteable(Class<?> clazz,
Type type,
Annotation[] annotations,
MediaType mediaType) {
return JSONArray.class.isAssignableFrom(clazz);
}
public void writeTo(JSONArray arr,
Class<?> clazz,
Type type,
Annotation[] annotations,
MediaType mediaType,
MultivaluedMap<String, Object> headers,
OutputStream os) throws IOException, WebApplicationException {
mediaType = MediaTypeUtils.setDefaultCharsetOnMediaTypeHeader(headers, mediaType);
OutputStreamWriter writer = new OutputStreamWriter(os, ProviderUtils.getCharset(mediaType));
try {
Writer json4jWriter = arr.write(writer);
json4jWriter.flush();
writer.flush();
} catch (JSONException e) {
throw new WebApplicationException(e);
}
}
}