mobile/android/thirdparty/ch/boye/httpclientandroidlib/entity/InputStreamEntity.java

Wed, 31 Dec 2014 07:22:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 07:22:50 +0100
branch
TOR_BUG_3246
changeset 4
fc2d59ddac77
permissions
-rw-r--r--

Correct previous dual key logic pending first delivery installment.

michael@0 1 /*
michael@0 2 * ====================================================================
michael@0 3 * Licensed to the Apache Software Foundation (ASF) under one
michael@0 4 * or more contributor license agreements. See the NOTICE file
michael@0 5 * distributed with this work for additional information
michael@0 6 * regarding copyright ownership. The ASF licenses this file
michael@0 7 * to you under the Apache License, Version 2.0 (the
michael@0 8 * "License"); you may not use this file except in compliance
michael@0 9 * with the License. You may obtain a copy of the License at
michael@0 10 *
michael@0 11 * http://www.apache.org/licenses/LICENSE-2.0
michael@0 12 *
michael@0 13 * Unless required by applicable law or agreed to in writing,
michael@0 14 * software distributed under the License is distributed on an
michael@0 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
michael@0 16 * KIND, either express or implied. See the License for the
michael@0 17 * specific language governing permissions and limitations
michael@0 18 * under the License.
michael@0 19 * ====================================================================
michael@0 20 *
michael@0 21 * This software consists of voluntary contributions made by many
michael@0 22 * individuals on behalf of the Apache Software Foundation. For more
michael@0 23 * information on the Apache Software Foundation, please see
michael@0 24 * <http://www.apache.org/>.
michael@0 25 *
michael@0 26 */
michael@0 27
michael@0 28 package ch.boye.httpclientandroidlib.entity;
michael@0 29
michael@0 30 import java.io.IOException;
michael@0 31 import java.io.InputStream;
michael@0 32 import java.io.OutputStream;
michael@0 33
michael@0 34 /**
michael@0 35 * A streamed, non-repeatable entity that obtains its content from
michael@0 36 * an {@link InputStream}.
michael@0 37 *
michael@0 38 * @since 4.0
michael@0 39 */
michael@0 40 public class InputStreamEntity extends AbstractHttpEntity {
michael@0 41
michael@0 42 private final static int BUFFER_SIZE = 2048;
michael@0 43
michael@0 44 private final InputStream content;
michael@0 45 private final long length;
michael@0 46
michael@0 47 public InputStreamEntity(final InputStream instream, long length) {
michael@0 48 super();
michael@0 49 if (instream == null) {
michael@0 50 throw new IllegalArgumentException("Source input stream may not be null");
michael@0 51 }
michael@0 52 this.content = instream;
michael@0 53 this.length = length;
michael@0 54 }
michael@0 55
michael@0 56 public boolean isRepeatable() {
michael@0 57 return false;
michael@0 58 }
michael@0 59
michael@0 60 public long getContentLength() {
michael@0 61 return this.length;
michael@0 62 }
michael@0 63
michael@0 64 public InputStream getContent() throws IOException {
michael@0 65 return this.content;
michael@0 66 }
michael@0 67
michael@0 68 public void writeTo(final OutputStream outstream) throws IOException {
michael@0 69 if (outstream == null) {
michael@0 70 throw new IllegalArgumentException("Output stream may not be null");
michael@0 71 }
michael@0 72 InputStream instream = this.content;
michael@0 73 try {
michael@0 74 byte[] buffer = new byte[BUFFER_SIZE];
michael@0 75 int l;
michael@0 76 if (this.length < 0) {
michael@0 77 // consume until EOF
michael@0 78 while ((l = instream.read(buffer)) != -1) {
michael@0 79 outstream.write(buffer, 0, l);
michael@0 80 }
michael@0 81 } else {
michael@0 82 // consume no more than length
michael@0 83 long remaining = this.length;
michael@0 84 while (remaining > 0) {
michael@0 85 l = instream.read(buffer, 0, (int)Math.min(BUFFER_SIZE, remaining));
michael@0 86 if (l == -1) {
michael@0 87 break;
michael@0 88 }
michael@0 89 outstream.write(buffer, 0, l);
michael@0 90 remaining -= l;
michael@0 91 }
michael@0 92 }
michael@0 93 } finally {
michael@0 94 instream.close();
michael@0 95 }
michael@0 96 }
michael@0 97
michael@0 98 public boolean isStreaming() {
michael@0 99 return true;
michael@0 100 }
michael@0 101
michael@0 102 /**
michael@0 103 * @deprecated Either use {@link #getContent()} and call {@link java.io.InputStream#close()} on that;
michael@0 104 * otherwise call {@link #writeTo(OutputStream)} which is required to free the resources.
michael@0 105 */
michael@0 106 public void consumeContent() throws IOException {
michael@0 107 // If the input stream is from a connection, closing it will read to
michael@0 108 // the end of the content. Otherwise, we don't care what it does.
michael@0 109 this.content.close();
michael@0 110 }
michael@0 111
michael@0 112 }

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