001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.component.http4;
018
019 import java.io.ByteArrayInputStream;
020 import java.io.IOException;
021 import java.io.InputStream;
022
023 import org.apache.camel.Converter;
024 import org.apache.camel.Exchange;
025 import org.apache.camel.component.http4.helper.GZIPHelper;
026 import org.apache.camel.util.ExchangeHelper;
027 import org.apache.http.HttpEntity;
028 import org.apache.http.entity.InputStreamEntity;
029
030 /**
031 * Some converter methods to make it easier to convert the body to RequestEntity types.
032 */
033 @Converter
034 public class HttpEntityConverter {
035
036 @Converter
037 public HttpEntity toHttpEntity(byte[] data, Exchange exchange) throws Exception {
038 return asHttpEntity(data, exchange);
039 }
040
041 @Converter
042 public HttpEntity toHttpEntity(InputStream inStream, Exchange exchange) throws Exception {
043 return asHttpEntity(inStream, exchange);
044 }
045
046 @Converter
047 public HttpEntity toHttpEntity(String str, Exchange exchange) throws Exception {
048 if (GZIPHelper.isGzip(exchange.getIn())) {
049 byte[] data = exchange.getContext().getTypeConverter().convertTo(byte[].class, str);
050 return asHttpEntity(data, exchange);
051 } else {
052 // will use the default StringRequestEntity
053 return null;
054 }
055 }
056
057 private HttpEntity asHttpEntity(InputStream in, Exchange exchange) throws IOException {
058 String contentEncoding = exchange.getIn().getHeader(Exchange.CONTENT_ENCODING, String.class);
059 String contentType = ExchangeHelper.getContentType(exchange);
060
061 InputStreamEntity entity = null;
062 if (exchange != null
063 && !exchange.getProperty(Exchange.SKIP_GZIP_ENCODING, Boolean.FALSE, Boolean.class)) {
064 entity = new InputStreamEntity(GZIPHelper.compressGzip(contentEncoding, in), -1);
065 } else {
066 entity = new InputStreamEntity(in, -1);
067 }
068 entity.setContentEncoding(contentEncoding);
069 entity.setContentType(contentType);
070 return entity;
071 }
072
073 private HttpEntity asHttpEntity(byte[] data, Exchange exchange) throws Exception {
074 String contentEncoding = exchange.getIn().getHeader(Exchange.CONTENT_ENCODING, String.class);
075 String contentType = ExchangeHelper.getContentType(exchange);
076
077 InputStreamEntity entity = null;
078 if (exchange != null
079 && !exchange.getProperty(Exchange.SKIP_GZIP_ENCODING, Boolean.FALSE, Boolean.class)) {
080 entity = new InputStreamEntity(GZIPHelper.compressGzip(contentEncoding, data), -1);
081 } else {
082 entity = new InputStreamEntity(new ByteArrayInputStream(data), -1);
083 }
084 entity.setContentEncoding(contentEncoding);
085 entity.setContentType(contentType);
086
087 return entity;
088 }
089 }