You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
238 lines
8.3 KiB
238 lines
8.3 KiB
/* |
|
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/methods/multipart/FilePart.java,v 1.19 2004/04/18 23:51:37 jsdever Exp $ |
|
* $Revision: 480424 $ |
|
* $Date: 2006-11-29 06:56:49 +0100 (Wed, 29 Nov 2006) $ |
|
* |
|
* ==================================================================== |
|
* |
|
* Licensed to the Apache Software Foundation (ASF) under one or more |
|
* contributor license agreements. See the NOTICE file distributed with |
|
* this work for additional information regarding copyright ownership. |
|
* The ASF licenses this file to You under the Apache License, Version 2.0 |
|
* (the "License"); you may not use this file except in compliance with |
|
* the License. You may obtain a copy of the License at |
|
* |
|
* http://www.apache.org/licenses/LICENSE-2.0 |
|
* |
|
* Unless required by applicable law or agreed to in writing, software |
|
* distributed under the License is distributed on an "AS IS" BASIS, |
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
* See the License for the specific language governing permissions and |
|
* limitations under the License. |
|
* ==================================================================== |
|
* |
|
* This software consists of voluntary contributions made by many |
|
* individuals on behalf of the Apache Software Foundation. For more |
|
* information on the Apache Software Foundation, please see |
|
* <http://www.apache.org/>. |
|
* |
|
*/ |
|
|
|
package com.android.internalcopy.http.multipart; |
|
|
|
import java.io.File; |
|
import java.io.FileNotFoundException; |
|
import java.io.IOException; |
|
import java.io.InputStream; |
|
import java.io.OutputStream; |
|
import org.apache.http.util.EncodingUtils; |
|
|
|
/** |
|
* This class implements a part of a Multipart post object that |
|
* consists of a file. |
|
* |
|
* @author <a href="mailto:mattalbright@yahoo.com">Matthew Albright</a> |
|
* @author <a href="mailto:jsdever@apache.org">Jeff Dever</a> |
|
* @author <a href="mailto:adrian@ephox.com">Adrian Sutton</a> |
|
* @author <a href="mailto:becke@u.washington.edu">Michael Becke</a> |
|
* @author <a href="mailto:mdiggory@latte.harvard.edu">Mark Diggory</a> |
|
* @author <a href="mailto:mbowler@GargoyleSoftware.com">Mike Bowler</a> |
|
* @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a> |
|
* |
|
* @since 2.0 |
|
* |
|
*/ |
|
public class BitCometFilePart extends PartBase { |
|
|
|
/** Default content encoding of file attachments. */ |
|
public static final String DEFAULT_CONTENT_TYPE = "application/x-bittorrent"; |
|
|
|
/** Attachment's file name */ |
|
protected static final String FILE_NAME = "; filename="; |
|
|
|
/** Attachment's file name as a byte array */ |
|
private static final byte[] FILE_NAME_BYTES = |
|
EncodingUtils.getAsciiBytes(FILE_NAME); |
|
|
|
/** Source of the file part. */ |
|
private PartSource source; |
|
|
|
/** |
|
* FilePart Constructor. |
|
* |
|
* @param name the name for this part |
|
* @param partSource the source for this part |
|
* @param contentType the content type for this part, if <code>null</code> the |
|
* {@link #DEFAULT_CONTENT_TYPE default} is used |
|
* @param charset the charset encoding for this part, if <code>null</code> the |
|
* {@link #DEFAULT_CHARSET default} is used |
|
*/ |
|
public BitCometFilePart(String name, PartSource partSource, String contentType, String charset) { |
|
|
|
super( |
|
name, |
|
contentType == null ? DEFAULT_CONTENT_TYPE : contentType, |
|
charset == null ? "ISO-8859-1" : charset, |
|
null |
|
); |
|
|
|
if (partSource == null) { |
|
throw new IllegalArgumentException("Source may not be null"); |
|
} |
|
this.source = partSource; |
|
} |
|
|
|
/** |
|
* FilePart Constructor. |
|
* |
|
* @param name the name for this part |
|
* @param partSource the source for this part |
|
*/ |
|
public BitCometFilePart(String name, PartSource partSource) { |
|
this(name, partSource, null, null); |
|
} |
|
|
|
/** |
|
* FilePart Constructor. |
|
* |
|
* @param name the name of the file part |
|
* @param file the file to post |
|
* |
|
* @throws FileNotFoundException if the <i>file</i> is not a normal |
|
* file or if it is not readable. |
|
*/ |
|
public BitCometFilePart(String name, File file) |
|
throws FileNotFoundException { |
|
this(name, new FilePartSource(file), null, null); |
|
} |
|
|
|
/** |
|
* FilePart Constructor. |
|
* |
|
* @param name the name of the file part |
|
* @param file the file to post |
|
* @param contentType the content type for this part, if <code>null</code> the |
|
* {@link #DEFAULT_CONTENT_TYPE default} is used |
|
* @param charset the charset encoding for this part, if <code>null</code> the |
|
* {@link #DEFAULT_CHARSET default} is used |
|
* |
|
* @throws FileNotFoundException if the <i>file</i> is not a normal |
|
* file or if it is not readable. |
|
*/ |
|
public BitCometFilePart(String name, File file, String contentType, String charset) |
|
throws FileNotFoundException { |
|
this(name, new FilePartSource(file), contentType, charset); |
|
} |
|
|
|
/** |
|
* FilePart Constructor. |
|
* |
|
* @param name the name of the file part |
|
* @param fileName the file name |
|
* @param file the file to post |
|
* |
|
* @throws FileNotFoundException if the <i>file</i> is not a normal |
|
* file or if it is not readable. |
|
*/ |
|
public BitCometFilePart(String name, String fileName, File file) |
|
throws FileNotFoundException { |
|
this(name, new FilePartSource(fileName, file), null, null); |
|
} |
|
|
|
/** |
|
* FilePart Constructor. |
|
* |
|
* @param name the name of the file part |
|
* @param fileName the file name |
|
* @param file the file to post |
|
* @param contentType the content type for this part, if <code>null</code> the |
|
* {@link #DEFAULT_CONTENT_TYPE default} is used |
|
* @param charset the charset encoding for this part, if <code>null</code> the |
|
* {@link #DEFAULT_CHARSET default} is used |
|
* |
|
* @throws FileNotFoundException if the <i>file</i> is not a normal |
|
* file or if it is not readable. |
|
*/ |
|
public BitCometFilePart(String name, String fileName, File file, String contentType, String charset) |
|
throws FileNotFoundException { |
|
this(name, new FilePartSource(fileName, file), contentType, charset); |
|
} |
|
|
|
/** |
|
* Write the disposition header to the output stream |
|
* @param out The output stream |
|
* @throws IOException If an IO problem occurs |
|
* @see Part#sendDispositionHeader(OutputStream) |
|
*/ |
|
@Override |
|
protected void sendDispositionHeader(OutputStream out) |
|
throws IOException { |
|
super.sendDispositionHeader(out); |
|
String filename = this.source.getFileName(); |
|
if (filename != null) { |
|
out.write(FILE_NAME_BYTES); |
|
out.write(QUOTE_BYTES); |
|
out.write(EncodingUtils.getAsciiBytes(filename)); |
|
out.write(QUOTE_BYTES); |
|
} |
|
} |
|
|
|
/** |
|
* Write the data in "source" to the specified stream. |
|
* @param out The output stream. |
|
* @throws IOException if an IO problem occurs. |
|
* @see Part#sendData(OutputStream) |
|
*/ |
|
@Override |
|
protected void sendData(OutputStream out) throws IOException { |
|
if (lengthOfData() == 0) { |
|
|
|
// this file contains no data, so there is nothing to send. |
|
// we don't want to create a zero length buffer as this will |
|
// cause an infinite loop when reading. |
|
return; |
|
} |
|
|
|
byte[] tmp = new byte[4096]; |
|
InputStream instream = source.createInputStream(); |
|
try { |
|
int len; |
|
while ((len = instream.read(tmp)) >= 0) { |
|
out.write(tmp, 0, len); |
|
} |
|
} finally { |
|
// we're done with the stream, close it |
|
instream.close(); |
|
} |
|
} |
|
|
|
/** |
|
* Returns the source of the file part. |
|
* |
|
* @return The source. |
|
*/ |
|
protected PartSource getSource() { |
|
return this.source; |
|
} |
|
|
|
/** |
|
* Return the length of the data. |
|
* @return The length. |
|
* @see Part#lengthOfData() |
|
*/ |
|
@Override |
|
protected long lengthOfData() { |
|
return source.getLength(); |
|
} |
|
|
|
}
|
|
|