/*
* 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.itest.contentencoding;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.List;
import java.util.zip.GZIPInputStream;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.MessageBodyReader;
import javax.ws.rs.ext.Provider;
import javax.ws.rs.ext.Providers;
@Provider
public class ByteContentEncodedGZIPReader implements MessageBodyReader<byte[]> {
@Context
private HttpHeaders headers;
public boolean isReadable(Class<?> type,
Type genericType,
Annotation[] annotations,
MediaType mediaType) {
if (type != byte[].class || !MediaType.TEXT_PLAIN_TYPE.isCompatible(mediaType)) {
return false;
}
List<String> contentEncodingValues = headers.getRequestHeader("Content-Encoding");
String contentEncoding = null;
if (contentEncodingValues.size() == 1) {
contentEncoding = contentEncodingValues.get(0);
}
if (contentEncoding != null && "gzip".equals(contentEncoding)) {
return true;
}
return false;
}
@Context
private Providers providers;
public byte[] readFrom(Class<byte[]> type,
Type genericType,
Annotation[] annotations,
MediaType mediaType,
MultivaluedMap<String, String> httpHeaders,
final InputStream entityStream) throws IOException,
WebApplicationException {
MessageBodyReader<byte[]> strReader =
providers.getMessageBodyReader(byte[].class,
byte[].class,
annotations,
MediaType.APPLICATION_XML_TYPE);
return strReader.readFrom(type,
genericType,
annotations,
mediaType,
httpHeaders,
new GZIPInputStream(entityStream));
}
}