- /*
- * $Header: /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: 1.10 $
- * $Date: 2004/04/18 23:51:37 $
- *
- * ====================================================================
- *
- * Copyright 1999-2004 The Apache Software Foundation
- *
- * Licensed 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 org.apache.commons.httpclient.methods.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[] {});
- }
- }
-
- }