/*
* ====================================================================
* 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.io;
import java.io.
IOException;
import org.apache.http.
HttpException;
import org.apache.http.
HttpMessage;
import org.apache.http.
HttpResponseFactory;
import org.apache.http.
NoHttpResponseException;
import org.apache.http.
ParseException;
import org.apache.http.
StatusLine;
import org.apache.http.io.
SessionInputBuffer;
import org.apache.http.message.
LineParser;
import org.apache.http.message.
ParserCursor;
import org.apache.http.params.
HttpParams;
import org.apache.http.util.
Args;
import org.apache.http.util.
CharArrayBuffer;
/**
* HTTP response parser that obtain its input from an instance
* of {@link SessionInputBuffer}.
* <p>
* The following parameters can be used to customize the behavior of this
* class:
* <ul>
* <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_HEADER_COUNT}</li>
* <li>{@link org.apache.http.params.CoreConnectionPNames#MAX_LINE_LENGTH}</li>
* </ul>
*
* @since 4.0
*
* @deprecated (4.2) use {@link DefaultHttpResponseParser}
*/
@
Deprecated
public class
HttpResponseParser extends
AbstractMessageParser<
HttpMessage> {
private final
HttpResponseFactory responseFactory;
private final
CharArrayBuffer lineBuf;
/**
* Creates an instance of this class.
*
* @param buffer the session input buffer.
* @param parser the line parser.
* @param responseFactory the factory to use to create
* {@link org.apache.http.HttpResponse}s.
* @param params HTTP parameters.
*/
public
HttpResponseParser(
final
SessionInputBuffer buffer,
final
LineParser parser,
final
HttpResponseFactory responseFactory,
final
HttpParams params) {
super(
buffer,
parser,
params);
this.
responseFactory =
Args.
notNull(
responseFactory, "Response factory");
this.
lineBuf = new
CharArrayBuffer(128);
}
@
Override
protected
HttpMessage parseHead(
final
SessionInputBuffer sessionBuffer)
throws
IOException,
HttpException,
ParseException {
this.
lineBuf.
clear();
final int
i =
sessionBuffer.
readLine(this.
lineBuf);
if (
i == -1) {
throw new
NoHttpResponseException("The target server failed to respond");
}
//create the status line from the status string
final
ParserCursor cursor = new
ParserCursor(0, this.
lineBuf.
length());
final
StatusLine statusline =
lineParser.
parseStatusLine(this.
lineBuf,
cursor);
return this.
responseFactory.
newHttpResponse(
statusline, null);
}
}