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.auto; 020 021import java.io.IOException; 022import java.io.InputStream; 023 024import lucee.commons.io.IOUtil; 025 026/** 027 * Close the Stream automaticlly when object will destroyed by the garbage 028 */ 029public final class AutoCloseInputStream extends InputStream { 030 031 private final InputStream is; 032 033 /** 034 * constructor of the class 035 * @param is 036 */ 037 public AutoCloseInputStream(InputStream is) { 038 this.is=is; 039 } 040 041 @Override 042 public int read() throws IOException { 043 return is.read(); 044 } 045 046 @Override 047 public int available() throws IOException { 048 return is.available(); 049 } 050 051 @Override 052 public void close() throws IOException { 053 is.close(); 054 } 055 056 @Override 057 public synchronized 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 @Override 088 public void finalize() throws Throwable { 089 super.finalize(); 090 IOUtil.closeEL(is); 091 } 092}