001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018 package org.apache.commons.configuration; 019 020 import java.io.File; 021 import java.io.FileInputStream; 022 import java.io.FileOutputStream; 023 import java.io.IOException; 024 import java.io.InputStream; 025 import java.io.OutputStream; 026 import java.net.URL; 027 import java.net.URLConnection; 028 import java.net.URLStreamHandler; 029 030 /** 031 * A custom URLStreamHandler to test loading and saving configurations to non 032 * standard URLs. This handler acts like a file handler with write support. 033 * 034 * @author Emmanuel Bourg 035 * @version $Id: FileURLStreamHandler.java 1222450 2011-12-22 21:01:33Z oheger $ 036 */ 037 public class FileURLStreamHandler extends URLStreamHandler 038 { 039 @Override 040 protected URLConnection openConnection(URL u) throws IOException 041 { 042 final File file = new File(u.getFile()); 043 044 return new URLConnection(u) { 045 046 @Override 047 public void connect() throws IOException 048 { 049 } 050 051 @Override 052 public InputStream getInputStream() throws IOException 053 { 054 return new FileInputStream(file); 055 } 056 057 @Override 058 public OutputStream getOutputStream() throws IOException 059 { 060 return new FileOutputStream(file); 061 } 062 }; 063 } 064 }