/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. *//* * The Original Code is HAT. The Initial Developer of the * Original Code is Bill Foote, with contributions from others * at JavaSoft/Sun. */package com.sun.tools.hat.internal.parser;import java.io.FilterInputStream;import java.io.IOException;import java.io.InputStream;/** * InputStream that keeps track of total bytes read (in effect * 'position' in stream) from the input stream. * */public class PositionInputStream extends FilterInputStream { private long position = 0L; public PositionInputStream(InputStream in) { super(in); } public int read() throws IOException { int res = super.read(); if (res != -1) position++; return res; } public int read(byte[] b, int off, int len) throws IOException { int res = super.read(b, off, len); if (res != -1) position += res; return res; } public long skip(long n) throws IOException { long res = super.skip(n); position += res; return res; } public boolean markSupported() { return false; } public void mark(int readLimit) { throw new UnsupportedOperationException("mark"); } public void reset() { throw new UnsupportedOperationException("reset"); } public long position() { return position; }}
/*
* Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* The Original Code is HAT. The Initial Developer of the
* Original Code is Bill Foote, with contributions from others
* at JavaSoft/Sun.
*/
package com.sun.tools.hat.internal.parser;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* InputStream that keeps track of total bytes read (in effect
* 'position' in stream) from the input stream.
*
*/
public class PositionInputStream extends FilterInputStream {
private long position = 0L;
public PositionInputStream(InputStream in) {
super(in);
}
public int read() throws IOException {
int res = super.read();
if (res != -1) position++;
return res;
}
public int read(byte[] b, int off, int len) throws IOException {
int res = super.read(b, off, len);
if (res != -1) position += res;
return res;
}
public long skip(long n) throws IOException {
long res = super.skip(n);
position += res;
return res;
}
public boolean markSupported() {
return false;
}
public void mark(int readLimit) {
throw new UnsupportedOperationException("mark");
}
public void reset() {
throw new UnsupportedOperationException("reset");
}
public long position() {
return position;
}
}