summaryrefslogtreecommitdiffstats
path: root/src/org/apache/http/impl/entity/EntityDeserializer.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/org/apache/http/impl/entity/EntityDeserializer.java')
-rw-r--r--src/org/apache/http/impl/entity/EntityDeserializer.java115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/org/apache/http/impl/entity/EntityDeserializer.java b/src/org/apache/http/impl/entity/EntityDeserializer.java
new file mode 100644
index 0000000..12c4756
--- /dev/null
+++ b/src/org/apache/http/impl/entity/EntityDeserializer.java
@@ -0,0 +1,115 @@
+/*
+ * $HeadURL: http://svn.apache.org/repos/asf/httpcomponents/httpcore/trunk/module-main/src/main/java/org/apache/http/impl/entity/EntityDeserializer.java $
+ * $Revision: 560358 $
+ * $Date: 2007-07-27 12:30:42 -0700 (Fri, 27 Jul 2007) $
+ *
+ * ====================================================================
+ * 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.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ *
+ */
+
+package org.apache.http.impl.entity;
+
+import java.io.IOException;
+
+import org.apache.http.Header;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpException;
+import org.apache.http.HttpMessage;
+import org.apache.http.entity.BasicHttpEntity;
+import org.apache.http.entity.ContentLengthStrategy;
+import org.apache.http.impl.io.ChunkedInputStream;
+import org.apache.http.impl.io.ContentLengthInputStream;
+import org.apache.http.impl.io.IdentityInputStream;
+import org.apache.http.io.SessionInputBuffer;
+import org.apache.http.protocol.HTTP;
+
+/**
+ * Default implementation of an entity deserializer.
+ * <p>
+ * This entity deserializer currently supports only "chunked" and "identitiy" transfer-coding</a>
+ * </p>
+ *
+ * @author <a href="mailto:oleg at ural.ru">Oleg Kalnichevski</a>
+ *
+ * @version $Revision: 560358 $
+ *
+ * @since 4.0
+ */
+public class EntityDeserializer {
+
+ private final ContentLengthStrategy lenStrategy;
+
+ public EntityDeserializer(final ContentLengthStrategy lenStrategy) {
+ super();
+ if (lenStrategy == null) {
+ throw new IllegalArgumentException("Content length strategy may not be null");
+ }
+ this.lenStrategy = lenStrategy;
+ }
+
+ protected BasicHttpEntity doDeserialize(
+ final SessionInputBuffer inbuffer,
+ final HttpMessage message) throws HttpException, IOException {
+ BasicHttpEntity entity = new BasicHttpEntity();
+
+ long len = this.lenStrategy.determineLength(message);
+ if (len == ContentLengthStrategy.CHUNKED) {
+ entity.setChunked(true);
+ entity.setContentLength(-1);
+ entity.setContent(new ChunkedInputStream(inbuffer));
+ } else if (len == ContentLengthStrategy.IDENTITY) {
+ entity.setChunked(false);
+ entity.setContentLength(-1);
+ entity.setContent(new IdentityInputStream(inbuffer));
+ } else {
+ entity.setChunked(false);
+ entity.setContentLength(len);
+ entity.setContent(new ContentLengthInputStream(inbuffer, len));
+ }
+
+ Header contentTypeHeader = message.getFirstHeader(HTTP.CONTENT_TYPE);
+ if (contentTypeHeader != null) {
+ entity.setContentType(contentTypeHeader);
+ }
+ Header contentEncodingHeader = message.getFirstHeader(HTTP.CONTENT_ENCODING);
+ if (contentEncodingHeader != null) {
+ entity.setContentEncoding(contentEncodingHeader);
+ }
+ return entity;
+ }
+
+ public HttpEntity deserialize(
+ final SessionInputBuffer inbuffer,
+ final HttpMessage message) throws HttpException, IOException {
+ if (inbuffer == null) {
+ throw new IllegalArgumentException("Session input buffer may not be null");
+ }
+ if (message == null) {
+ throw new IllegalArgumentException("HTTP message may not be null");
+ }
+ return doDeserialize(inbuffer, message);
+ }
+
+}