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