Jake Slack | 03928ae | 2014-05-13 18:41:56 -0700 | [diff] [blame] | 1 | // |
| 2 | // ======================================================================== |
| 3 | // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd. |
| 4 | // ------------------------------------------------------------------------ |
| 5 | // All rights reserved. This program and the accompanying materials |
| 6 | // are made available under the terms of the Eclipse Public License v1.0 |
| 7 | // and Apache License v2.0 which accompanies this distribution. |
| 8 | // |
| 9 | // The Eclipse Public License is available at |
| 10 | // http://www.eclipse.org/legal/epl-v10.html |
| 11 | // |
| 12 | // The Apache License v2.0 is available at |
| 13 | // http://www.opensource.org/licenses/apache2.0.php |
| 14 | // |
| 15 | // You may elect to redistribute this code under either of these licenses. |
| 16 | // ======================================================================== |
| 17 | // |
| 18 | |
| 19 | package org.eclipse.jetty.client; |
| 20 | |
| 21 | import java.io.ByteArrayOutputStream; |
| 22 | import java.io.File; |
| 23 | import java.io.FileInputStream; |
| 24 | import java.io.IOException; |
| 25 | import java.io.InputStream; |
| 26 | import java.io.UnsupportedEncodingException; |
| 27 | |
| 28 | import org.eclipse.jetty.http.HttpHeaders; |
| 29 | import org.eclipse.jetty.io.Buffer; |
| 30 | import org.eclipse.jetty.io.BufferUtil; |
| 31 | import org.eclipse.jetty.util.StringUtil; |
| 32 | |
| 33 | /** |
| 34 | * A exchange that retains response content for later use. |
| 35 | */ |
| 36 | public class ContentExchange extends CachedExchange |
| 37 | { |
| 38 | private int _bufferSize = 4096; |
| 39 | private String _encoding = "utf-8"; |
| 40 | private ByteArrayOutputStream _responseContent; |
| 41 | private File _fileForUpload; |
| 42 | |
| 43 | public ContentExchange() |
| 44 | { |
| 45 | super(false); |
| 46 | } |
| 47 | |
| 48 | public ContentExchange(boolean cacheFields) |
| 49 | { |
| 50 | super(cacheFields); |
| 51 | } |
| 52 | |
| 53 | public synchronized String getResponseContent() throws UnsupportedEncodingException |
| 54 | { |
| 55 | if (_responseContent != null) |
| 56 | return _responseContent.toString(_encoding); |
| 57 | return null; |
| 58 | } |
| 59 | |
| 60 | public synchronized byte[] getResponseContentBytes() |
| 61 | { |
| 62 | if (_responseContent != null) |
| 63 | return _responseContent.toByteArray(); |
| 64 | return null; |
| 65 | } |
| 66 | |
| 67 | @Override |
| 68 | protected synchronized void onResponseStatus(Buffer version, int status, Buffer reason) throws IOException |
| 69 | { |
| 70 | if (_responseContent!=null) |
| 71 | _responseContent.reset(); |
| 72 | super.onResponseStatus(version,status,reason); |
| 73 | } |
| 74 | |
| 75 | @Override |
| 76 | protected synchronized void onResponseHeader(Buffer name, Buffer value) throws IOException |
| 77 | { |
| 78 | super.onResponseHeader(name, value); |
| 79 | int header = HttpHeaders.CACHE.getOrdinal(name); |
| 80 | switch (header) |
| 81 | { |
| 82 | case HttpHeaders.CONTENT_LENGTH_ORDINAL: |
| 83 | _bufferSize = BufferUtil.toInt(value); |
| 84 | break; |
| 85 | case HttpHeaders.CONTENT_TYPE_ORDINAL: |
| 86 | String mime = StringUtil.asciiToLowerCase(value.toString()); |
| 87 | int i = mime.indexOf("charset="); |
| 88 | if (i > 0) |
| 89 | { |
| 90 | _encoding = mime.substring(i + 8); |
| 91 | i = _encoding.indexOf(';'); |
| 92 | if (i > 0) |
| 93 | _encoding = _encoding.substring(0, i); |
| 94 | } |
| 95 | break; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | @Override |
| 100 | protected synchronized void onResponseContent(Buffer content) throws IOException |
| 101 | { |
| 102 | super.onResponseContent(content); |
| 103 | if (_responseContent == null) |
| 104 | _responseContent = new ByteArrayOutputStream(_bufferSize); |
| 105 | content.writeTo(_responseContent); |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | protected synchronized void onRetry() throws IOException |
| 110 | { |
| 111 | if (_fileForUpload != null) |
| 112 | { |
| 113 | setRequestContent(null); |
| 114 | setRequestContentSource(getInputStream()); |
| 115 | } |
| 116 | else |
| 117 | super.onRetry(); |
| 118 | } |
| 119 | |
| 120 | private synchronized InputStream getInputStream() throws IOException |
| 121 | { |
| 122 | return new FileInputStream(_fileForUpload); |
| 123 | } |
| 124 | |
| 125 | public synchronized File getFileForUpload() |
| 126 | { |
| 127 | return _fileForUpload; |
| 128 | } |
| 129 | |
| 130 | public synchronized void setFileForUpload(File fileForUpload) throws IOException |
| 131 | { |
| 132 | this._fileForUpload = fileForUpload; |
| 133 | setRequestContentSource(getInputStream()); |
| 134 | } |
| 135 | } |