1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/impl/entity/EntitySerializer.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,124 @@
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.entity;
1.32 +
1.33 +import java.io.IOException;
1.34 +import java.io.OutputStream;
1.35 +
1.36 +import ch.boye.httpclientandroidlib.HttpEntity;
1.37 +import ch.boye.httpclientandroidlib.HttpException;
1.38 +import ch.boye.httpclientandroidlib.HttpMessage;
1.39 +import ch.boye.httpclientandroidlib.entity.ContentLengthStrategy;
1.40 +import ch.boye.httpclientandroidlib.impl.io.ChunkedOutputStream;
1.41 +import ch.boye.httpclientandroidlib.impl.io.ContentLengthOutputStream;
1.42 +import ch.boye.httpclientandroidlib.impl.io.IdentityOutputStream;
1.43 +import ch.boye.httpclientandroidlib.io.SessionOutputBuffer;
1.44 +
1.45 +/**
1.46 + * HTTP entity serializer.
1.47 + * <p>
1.48 + * This entity serializer currently supports "chunked" and "identitiy"
1.49 + * transfer-coding and content length delimited content.
1.50 + * <p>
1.51 + * This class relies on a specific implementation of
1.52 + * {@link ContentLengthStrategy} to determine the content length or transfer
1.53 + * encoding of the entity.
1.54 + * <p>
1.55 + * This class writes out the content of {@link HttpEntity} to the data stream
1.56 + * using a transfer coding based on properties on the HTTP message.
1.57 + *
1.58 + * @since 4.0
1.59 + */
1.60 +public class EntitySerializer {
1.61 +
1.62 + private final ContentLengthStrategy lenStrategy;
1.63 +
1.64 + public EntitySerializer(final ContentLengthStrategy lenStrategy) {
1.65 + super();
1.66 + if (lenStrategy == null) {
1.67 + throw new IllegalArgumentException("Content length strategy may not be null");
1.68 + }
1.69 + this.lenStrategy = lenStrategy;
1.70 + }
1.71 +
1.72 + /**
1.73 + * Creates a transfer codec based on properties of the given HTTP message
1.74 + * and returns {@link OutputStream} instance that transparently encodes
1.75 + * output data as it is being written out to the output stream.
1.76 + * <p>
1.77 + * This method is called by the public
1.78 + * {@link #serialize(SessionOutputBuffer, HttpMessage, HttpEntity)}.
1.79 + *
1.80 + * @param outbuffer the session output buffer.
1.81 + * @param message the HTTP message.
1.82 + * @return output stream.
1.83 + * @throws HttpException in case of HTTP protocol violation.
1.84 + * @throws IOException in case of an I/O error.
1.85 + */
1.86 + protected OutputStream doSerialize(
1.87 + final SessionOutputBuffer outbuffer,
1.88 + final HttpMessage message) throws HttpException, IOException {
1.89 + long len = this.lenStrategy.determineLength(message);
1.90 + if (len == ContentLengthStrategy.CHUNKED) {
1.91 + return new ChunkedOutputStream(outbuffer);
1.92 + } else if (len == ContentLengthStrategy.IDENTITY) {
1.93 + return new IdentityOutputStream(outbuffer);
1.94 + } else {
1.95 + return new ContentLengthOutputStream(outbuffer, len);
1.96 + }
1.97 + }
1.98 +
1.99 + /**
1.100 + * Writes out the content of the given HTTP entity to the session output
1.101 + * buffer based on properties of the given HTTP message.
1.102 + *
1.103 + * @param outbuffer the output session buffer.
1.104 + * @param message the HTTP message.
1.105 + * @param entity the HTTP entity to be written out.
1.106 + * @throws HttpException in case of HTTP protocol violation.
1.107 + * @throws IOException in case of an I/O error.
1.108 + */
1.109 + public void serialize(
1.110 + final SessionOutputBuffer outbuffer,
1.111 + final HttpMessage message,
1.112 + final HttpEntity entity) throws HttpException, IOException {
1.113 + if (outbuffer == null) {
1.114 + throw new IllegalArgumentException("Session output buffer may not be null");
1.115 + }
1.116 + if (message == null) {
1.117 + throw new IllegalArgumentException("HTTP message may not be null");
1.118 + }
1.119 + if (entity == null) {
1.120 + throw new IllegalArgumentException("HTTP entity may not be null");
1.121 + }
1.122 + OutputStream outstream = doSerialize(outbuffer, message);
1.123 + entity.writeTo(outstream);
1.124 + outstream.close();
1.125 + }
1.126 +
1.127 +}
