001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 */ 019 020 package javax.activation; 021 022 import java.io.File; 023 import java.io.FileInputStream; 024 import java.io.FileOutputStream; 025 import java.io.IOException; 026 import java.io.InputStream; 027 import java.io.OutputStream; 028 029 /** 030 * @version $Rev: 467553 $ $Date: 2006-10-25 06:01:51 +0200 (Mi, 25. Okt 2006) $ 031 */ 032 public class FileDataSource implements DataSource { 033 private final File file; 034 private FileTypeMap fileTypeMap; 035 036 /** 037 * Creates a FileDataSource from a File object 038 */ 039 public FileDataSource(File file) { 040 this.file = file; 041 } 042 043 /** 044 * Creates a FileDataSource from the specified path name 045 */ 046 public FileDataSource(String name) { 047 this(new File(name)); 048 } 049 050 /** 051 * Return the InputStream obtained from the data source 052 */ 053 public InputStream getInputStream() throws IOException { 054 return new FileInputStream(file); 055 } 056 057 /** 058 * Return the OutputStream obtained from the data source 059 */ 060 public OutputStream getOutputStream() throws IOException { 061 return new FileOutputStream(file); 062 } 063 064 /** 065 * Returns the content type of the data source 066 */ 067 public String getContentType() { 068 if (fileTypeMap == null) { 069 return FileTypeMap.getDefaultFileTypeMap().getContentType(file); 070 } else { 071 return fileTypeMap.getContentType(file); 072 } 073 } 074 075 /** 076 * Returns the name of the data source object 077 */ 078 public String getName() { 079 return file.getName(); 080 } 081 082 /** 083 * Returns the data source file 084 */ 085 public File getFile() { 086 return file; 087 } 088 089 /** 090 * Sets the FileTypeMap associated with the data source 091 */ 092 public void setFileTypeMap(FileTypeMap map) { 093 fileTypeMap = map; 094 } 095 }