| /* |
| * $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/methods/multipart/FilePartSource.java,v 1.10 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.internal.http.multipart; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * A PartSource that reads from a File. |
| * |
| * @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> |
| * |
| * @since 2.0 |
| */ |
| public class FilePartSource implements PartSource { |
| |
| /** File part file. */ |
| private File file = null; |
| |
| /** File part file name. */ |
| private String fileName = null; |
| |
| /** |
| * Constructor for FilePartSource. |
| * |
| * @param file the FilePart source File. |
| * |
| * @throws FileNotFoundException if the file does not exist or |
| * cannot be read |
| */ |
| public FilePartSource(File file) throws FileNotFoundException { |
| this.file = file; |
| if (file != null) { |
| if (!file.isFile()) { |
| throw new FileNotFoundException("File is not a normal file."); |
| } |
| if (!file.canRead()) { |
| throw new FileNotFoundException("File is not readable."); |
| } |
| this.fileName = file.getName(); |
| } |
| } |
| |
| /** |
| * Constructor for FilePartSource. |
| * |
| * @param fileName the file name of the FilePart |
| * @param file the source File for the FilePart |
| * |
| * @throws FileNotFoundException if the file does not exist or |
| * cannot be read |
| */ |
| public FilePartSource(String fileName, File file) |
| throws FileNotFoundException { |
| this(file); |
| if (fileName != null) { |
| this.fileName = fileName; |
| } |
| } |
| |
| /** |
| * Return the length of the file |
| * @return the length of the file. |
| * @see PartSource#getLength() |
| */ |
| public long getLength() { |
| if (this.file != null) { |
| return this.file.length(); |
| } else { |
| return 0; |
| } |
| } |
| |
| /** |
| * Return the current filename |
| * @return the filename. |
| * @see PartSource#getFileName() |
| */ |
| public String getFileName() { |
| return (fileName == null) ? "noname" : fileName; |
| } |
| |
| /** |
| * Return a new {@link FileInputStream} for the current filename. |
| * @return the new input stream. |
| * @throws IOException If an IO problem occurs. |
| * @see PartSource#createInputStream() |
| */ |
| public InputStream createInputStream() throws IOException { |
| if (this.file != null) { |
| return new FileInputStream(this.file); |
| } else { |
| return new ByteArrayInputStream(new byte[] {}); |
| } |
| } |
| |
| } |