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/*
* ====================================================================
* 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 ch.boye.httpclientandroidlib.impl.io;
import java.io.IOException;
import ch.boye.httpclientandroidlib.HttpException;
import ch.boye.httpclientandroidlib.HttpMessage;
import ch.boye.httpclientandroidlib.HttpResponseFactory;
import ch.boye.httpclientandroidlib.NoHttpResponseException;
import ch.boye.httpclientandroidlib.ParseException;
import ch.boye.httpclientandroidlib.StatusLine;
import ch.boye.httpclientandroidlib.annotation.NotThreadSafe;
import ch.boye.httpclientandroidlib.io.SessionInputBuffer;
import ch.boye.httpclientandroidlib.message.LineParser;
import ch.boye.httpclientandroidlib.message.ParserCursor;
import ch.boye.httpclientandroidlib.params.HttpParams;
import ch.boye.httpclientandroidlib.util.Args;
import ch.boye.httpclientandroidlib.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 ch.boye.httpclientandroidlib.params.CoreConnectionPNames#MAX_HEADER_COUNT}</li>
* <li>{@link ch.boye.httpclientandroidlib.params.CoreConnectionPNames#MAX_LINE_LENGTH}</li>
* </ul>
*
* @since 4.0
*
* @deprecated (4.2) use {@link DefaultHttpResponseParser}
*/
@Deprecated
@NotThreadSafe
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 ch.boye.httpclientandroidlib.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);
}
}
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