mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/conn/DefaultResponseParser.java

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/conn/DefaultResponseParser.java	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,122 @@
     1.4 +/*
     1.5 + * ====================================================================
     1.6 + * Licensed to the Apache Software Foundation (ASF) under one
     1.7 + * or more contributor license agreements.  See the NOTICE file
     1.8 + * distributed with this work for additional information
     1.9 + * regarding copyright ownership.  The ASF licenses this file
    1.10 + * to you under the Apache License, Version 2.0 (the
    1.11 + * "License"); you may not use this file except in compliance
    1.12 + * with the License.  You may obtain a copy of the License at
    1.13 + *
    1.14 + *   http://www.apache.org/licenses/LICENSE-2.0
    1.15 + *
    1.16 + * Unless required by applicable law or agreed to in writing,
    1.17 + * software distributed under the License is distributed on an
    1.18 + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    1.19 + * KIND, either express or implied.  See the License for the
    1.20 + * specific language governing permissions and limitations
    1.21 + * under the License.
    1.22 + * ====================================================================
    1.23 + *
    1.24 + * This software consists of voluntary contributions made by many
    1.25 + * individuals on behalf of the Apache Software Foundation.  For more
    1.26 + * information on the Apache Software Foundation, please see
    1.27 + * <http://www.apache.org/>.
    1.28 + *
    1.29 + */
    1.30 +
    1.31 +package ch.boye.httpclientandroidlib.impl.conn;
    1.32 +
    1.33 +import java.io.IOException;
    1.34 +
    1.35 +import ch.boye.httpclientandroidlib.annotation.ThreadSafe;
    1.36 +
    1.37 +import ch.boye.httpclientandroidlib.androidextra.HttpClientAndroidLog;
    1.38 +/* LogFactory removed by HttpClient for Android script. */
    1.39 +import ch.boye.httpclientandroidlib.HttpException;
    1.40 +import ch.boye.httpclientandroidlib.HttpMessage;
    1.41 +import ch.boye.httpclientandroidlib.HttpResponseFactory;
    1.42 +import ch.boye.httpclientandroidlib.NoHttpResponseException;
    1.43 +import ch.boye.httpclientandroidlib.ProtocolException;
    1.44 +import ch.boye.httpclientandroidlib.StatusLine;
    1.45 +import ch.boye.httpclientandroidlib.conn.params.ConnConnectionPNames;
    1.46 +import ch.boye.httpclientandroidlib.impl.io.AbstractMessageParser;
    1.47 +import ch.boye.httpclientandroidlib.io.SessionInputBuffer;
    1.48 +import ch.boye.httpclientandroidlib.message.LineParser;
    1.49 +import ch.boye.httpclientandroidlib.message.ParserCursor;
    1.50 +import ch.boye.httpclientandroidlib.params.HttpParams;
    1.51 +import ch.boye.httpclientandroidlib.util.CharArrayBuffer;
    1.52 +
    1.53 +/**
    1.54 + * Default HTTP response parser implementation.
    1.55 + * <p>
    1.56 + * The following parameters can be used to customize the behavior of this
    1.57 + * class:
    1.58 + * <ul>
    1.59 + *  <li>{@link ch.boye.httpclientandroidlib.params.CoreConnectionPNames#MAX_HEADER_COUNT}</li>
    1.60 + *  <li>{@link ch.boye.httpclientandroidlib.params.CoreConnectionPNames#MAX_LINE_LENGTH}</li>
    1.61 + *  <li>{@link ch.boye.httpclientandroidlib.conn.params.ConnConnectionPNames#MAX_STATUS_LINE_GARBAGE}</li>
    1.62 + * </ul>
    1.63 + *
    1.64 + * @since 4.0
    1.65 + */
    1.66 +@ThreadSafe // no public methods
    1.67 +public class DefaultResponseParser extends AbstractMessageParser {
    1.68 +
    1.69 +    public HttpClientAndroidLog log = new HttpClientAndroidLog(getClass());
    1.70 +
    1.71 +    private final HttpResponseFactory responseFactory;
    1.72 +    private final CharArrayBuffer lineBuf;
    1.73 +    private final int maxGarbageLines;
    1.74 +
    1.75 +    public DefaultResponseParser(
    1.76 +            final SessionInputBuffer buffer,
    1.77 +            final LineParser parser,
    1.78 +            final HttpResponseFactory responseFactory,
    1.79 +            final HttpParams params) {
    1.80 +        super(buffer, parser, params);
    1.81 +        if (responseFactory == null) {
    1.82 +            throw new IllegalArgumentException
    1.83 +                ("Response factory may not be null");
    1.84 +        }
    1.85 +        this.responseFactory = responseFactory;
    1.86 +        this.lineBuf = new CharArrayBuffer(128);
    1.87 +        this.maxGarbageLines = params.getIntParameter(
    1.88 +            ConnConnectionPNames.MAX_STATUS_LINE_GARBAGE, Integer.MAX_VALUE);
    1.89 +    }
    1.90 +
    1.91 +
    1.92 +    @Override
    1.93 +    protected HttpMessage parseHead(
    1.94 +            final SessionInputBuffer sessionBuffer) throws IOException, HttpException {
    1.95 +        //read out the HTTP status string
    1.96 +        int count = 0;
    1.97 +        ParserCursor cursor = null;
    1.98 +        do {
    1.99 +            // clear the buffer
   1.100 +            this.lineBuf.clear();
   1.101 +            int i = sessionBuffer.readLine(this.lineBuf);
   1.102 +            if (i == -1 && count == 0) {
   1.103 +                // The server just dropped connection on us
   1.104 +                throw new NoHttpResponseException("The target server failed to respond");
   1.105 +            }
   1.106 +            cursor = new ParserCursor(0, this.lineBuf.length());
   1.107 +            if (lineParser.hasProtocolVersion(this.lineBuf, cursor)) {
   1.108 +                // Got one
   1.109 +                break;
   1.110 +            } else if (i == -1 || count >= this.maxGarbageLines) {
   1.111 +                // Giving up
   1.112 +                throw new ProtocolException("The server failed to respond with a " +
   1.113 +                        "valid HTTP response");
   1.114 +            }
   1.115 +            if (this.log.isDebugEnabled()) {
   1.116 +                this.log.debug("Garbage in response: " + this.lineBuf.toString());
   1.117 +            }
   1.118 +            count++;
   1.119 +        } while(true);
   1.120 +        //create the status line from the status string
   1.121 +        StatusLine statusline = lineParser.parseStatusLine(this.lineBuf, cursor);
   1.122 +        return this.responseFactory.newHttpResponse(statusline, null);
   1.123 +    }
   1.124 +
   1.125 +}

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