1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,112 @@
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.entity;
1.32 +
1.33 +import java.io.IOException;
1.34 +import java.io.InputStream;
1.35 +import java.io.OutputStream;
1.36 +
1.37 +/**
1.38 + * A streamed, non-repeatable entity that obtains its content from
1.39 + * an {@link InputStream}.
1.40 + *
1.41 + * @since 4.0
1.42 + */
1.43 +public class InputStreamEntity extends AbstractHttpEntity {
1.44 +
1.45 + private final static int BUFFER_SIZE = 2048;
1.46 +
1.47 + private final InputStream content;
1.48 + private final long length;
1.49 +
1.50 + public InputStreamEntity(final InputStream instream, long length) {
1.51 + super();
1.52 + if (instream == null) {
1.53 + throw new IllegalArgumentException("Source input stream may not be null");
1.54 + }
1.55 + this.content = instream;
1.56 + this.length = length;
1.57 + }
1.58 +
1.59 + public boolean isRepeatable() {
1.60 + return false;
1.61 + }
1.62 +
1.63 + public long getContentLength() {
1.64 + return this.length;
1.65 + }
1.66 +
1.67 + public InputStream getContent() throws IOException {
1.68 + return this.content;
1.69 + }
1.70 +
1.71 + public void writeTo(final OutputStream outstream) throws IOException {
1.72 + if (outstream == null) {
1.73 + throw new IllegalArgumentException("Output stream may not be null");
1.74 + }
1.75 + InputStream instream = this.content;
1.76 + try {
1.77 + byte[] buffer = new byte[BUFFER_SIZE];
1.78 + int l;
1.79 + if (this.length < 0) {
1.80 + // consume until EOF
1.81 + while ((l = instream.read(buffer)) != -1) {
1.82 + outstream.write(buffer, 0, l);
1.83 + }
1.84 + } else {
1.85 + // consume no more than length
1.86 + long remaining = this.length;
1.87 + while (remaining > 0) {
1.88 + l = instream.read(buffer, 0, (int)Math.min(BUFFER_SIZE, remaining));
1.89 + if (l == -1) {
1.90 + break;
1.91 + }
1.92 + outstream.write(buffer, 0, l);
1.93 + remaining -= l;
1.94 + }
1.95 + }
1.96 + } finally {
1.97 + instream.close();
1.98 + }
1.99 + }
1.100 +
1.101 + public boolean isStreaming() {
1.102 + return true;
1.103 + }
1.104 +
1.105 + /**
1.106 + * @deprecated Either use {@link #getContent()} and call {@link java.io.InputStream#close()} on that;
1.107 + * otherwise call {@link #writeTo(OutputStream)} which is required to free the resources.
1.108 + */
1.109 + public void consumeContent() throws IOException {
1.110 + // If the input stream is from a connection, closing it will read to
1.111 + // the end of the content. Otherwise, we don't care what it does.
1.112 + this.content.close();
1.113 + }
1.114 +
1.115 +}
