/**
* 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.camel.component.http4;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
import java.util.zip.GZIPInputStream;
import java.util.zip.GZIPOutputStream;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.component.http4.handler.HeaderValidationHandler;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpEntityEnclosingRequest;
import org.apache.http.HttpException;
import org.apache.http.HttpRequest;
import org.apache.http.HttpRequestInterceptor;
import org.apache.http.HttpResponse;
import org.apache.http.HttpResponseInterceptor;
import org.apache.http.HttpStatus;
import org.apache.http.entity.HttpEntityWrapper;
import org.apache.http.localserver.LocalTestServer;
import org.apache.http.message.BasicHeader;
import org.apache.http.protocol.BasicHttpProcessor;
import org.apache.http.protocol.HttpContext;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
/**
*
* @version
*/
public class HttpCompressionTest extends BaseHttpTest {
@Test
public void compressedHttpPost() throws Exception {
Exchange exchange = template.request("http4://" + getHostName() + ":" + getPort() + "/", new Processor() {
public void process(Exchange exchange) throws Exception {
exchange.getIn().setHeader(Exchange.CONTENT_TYPE, "text/plain");
exchange.getIn().setHeader(Exchange.CONTENT_ENCODING, "gzip");
exchange.getIn().setBody(getBody());
}
});
assertNotNull(exchange);
Message out = exchange.getOut();
assertNotNull(out);
Map<String, Object> headers = out.getHeaders();
assertEquals(HttpStatus.SC_OK, headers.get(Exchange.HTTP_RESPONSE_CODE));
assertEquals("gzip", headers.get("Content-Encoding"));
assertBody(out.getBody(String.class));
}
@Override
protected BasicHttpProcessor getBasicHttpProcessor() {
BasicHttpProcessor httpproc = new BasicHttpProcessor();
httpproc.addInterceptor(new RequestDecompressingInterceptor());
httpproc.addInterceptor(new ResponseCompressingInterceptor());
return httpproc;
}
@Override
protected void registerHandler(LocalTestServer server) {
Map<String, String> expectedHeaders = new HashMap<String, String>();
expectedHeaders.put("Content-Type", "text/plain");
expectedHeaders.put("Content-Encoding", "gzip");
server.register("/", new HeaderValidationHandler("POST", null, getBody(), getExpectedContent(), expectedHeaders));
}
protected String getBody() {
return "hl=en&q=camel";
}
static class RequestDecompressingInterceptor implements HttpRequestInterceptor {
public void process(HttpRequest request, HttpContext context) throws HttpException, IOException {
Header contentEncoding = request.getFirstHeader("Content-Encoding");
if (contentEncoding != null
&& contentEncoding.getValue().equalsIgnoreCase("gzip")) {
HttpEntity entity = ((HttpEntityEnclosingRequest) request)
.getEntity();
((HttpEntityEnclosingRequest) request)
.setEntity(new GzipDecompressingEntity(entity));
}
}
static class GzipDecompressingEntity extends HttpEntityWrapper {
public GzipDecompressingEntity(final HttpEntity entity) {
super(entity);
}
@Override
public InputStream getContent() throws IOException,
IllegalStateException {
InputStream wrappedin = wrappedEntity.getContent();
return new GZIPInputStream(wrappedin);
}
@Override
public long getContentLength() {
return -1;
}
@Override
public boolean isStreaming() {
return false;
}
}
}
static class ResponseCompressingInterceptor implements HttpResponseInterceptor {
public void process(HttpResponse response, HttpContext context) throws HttpException, IOException {
response.setHeader("Content-Encoding", "gzip");
HttpEntity entity = response.getEntity();
response.setEntity(new GzipCompressingEntity(entity));
}
static class GzipCompressingEntity extends HttpEntityWrapper {
public GzipCompressingEntity(final HttpEntity entity) {
super(entity);
}
@Override
public Header getContentEncoding() {
return new BasicHeader("Content-Encoding", "gzip");
}
@Override
public void writeTo(OutputStream outstream) throws IOException {
GZIPOutputStream gzip = new GZIPOutputStream(outstream);
gzip.write(EntityUtils.toByteArray(wrappedEntity));
gzip.close();
}
@Override
public long getContentLength() {
return -1;
}
@Override
public boolean isStreaming() {
return false;
}
}
}
}