001/** 002 * 003 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved. 004 * 005 * This library is free software; you can redistribute it and/or 006 * modify it under the terms of the GNU Lesser General Public 007 * License as published by the Free Software Foundation; either 008 * version 2.1 of the License, or (at your option) any later version. 009 * 010 * This library is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 013 * Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public 016 * License along with this library. If not, see <http://www.gnu.org/licenses/>. 017 * 018 **/ 019package lucee.commons.io.res.util; 020 021import java.io.IOException; 022import java.io.InputStream; 023 024import lucee.commons.io.res.Resource; 025 026public class ResourceInputStream extends InputStream { 027 028 private final Resource res; 029 private final InputStream is; 030 031 public ResourceInputStream(Resource res, InputStream is) { 032 this.res=res; 033 this.is=is; 034 } 035 036 @Override 037 public int read() throws IOException { 038 return is.read(); 039 } 040 041 @Override 042 public int available() throws IOException { 043 return is.available(); 044 } 045 046 @Override 047 public void close() throws IOException { 048 try { 049 is.close(); 050 } 051 finally { 052 res.getResourceProvider().unlock(res); 053 } 054 } 055 056 @Override 057 public void mark(int readlimit) { 058 is.mark(readlimit); 059 } 060 061 @Override 062 public boolean markSupported() { 063 return is.markSupported(); 064 } 065 066 @Override 067 public int read(byte[] b, int off, int len) throws IOException { 068 return is.read(b, off, len); 069 } 070 071 @Override 072 public int read(byte[] b) throws IOException { 073 return is.read(b); 074 } 075 076 @Override 077 public synchronized void reset() throws IOException { 078 is.reset(); 079 } 080 081 @Override 082 public long skip(long n) throws IOException { 083 return is.skip(n); 084 } 085 086 /** 087 * @return the InputStream 088 */ 089 public InputStream getInputStream() { 090 return is; 091 } 092 093 /** 094 * @return the Resource 095 */ 096 public Resource getResource() { 097 return res; 098 } 099 100}