/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* See LICENSE.txt included in this distribution for the specific
* language governing permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at LICENSE.txt.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2011 Trond Norbye
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* Portions Copyright (c) 2013 Takayuki Okazaki.
*/
package org.watermint.sourcecolon.org.opensolaris.opengrok.util;
import com.ibm.icu.text.CharsetDetector;
import com.ibm.icu.text.CharsetMatch;
import java.io.*;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* A small utility class to provide common functionality related to
* IO so that we don't need to duplicate the logic all over the place.
*
* @author Trond Norbye <trond.norbye@gmail.com>
*/
public final class IOUtils {
private static final Logger log = Logger.getLogger(IOUtils.class.getName());
private IOUtils() {
// singleton
}
public static Reader readerWithCharsetDetect(String path) throws FileNotFoundException {
return readerWithCharsetDetect(new BufferedInputStream(new FileInputStream(path)));
}
public static Reader readerWithCharsetDetect(File f) throws FileNotFoundException {
return readerWithCharsetDetect(new BufferedInputStream(new FileInputStream(f)));
}
public static Reader readerWithCharsetDetect(InputStream is) {
CharsetDetector detector = new CharsetDetector();
try {
CharsetMatch match = detector.setText(is).detect();
is.reset();
return new InputStreamReader(is, match.getName());
} catch (IOException e) {
e.printStackTrace();
try {
is.reset();
} catch (IOException e1) {
e1.printStackTrace();
}
return new InputStreamReader(is);
}
}
public static void close(Closeable c) {
if (c != null) {
try {
c.close();
} catch (IOException e) {
log.log(Level.WARNING, "Failed to close resource: ", e);
}
}
}
public static void close(ServerSocket sock) {
if (sock != null) {
try {
sock.close();
} catch (IOException e) {
log.log(Level.WARNING, "Failed to close socket: ", e);
}
}
}
public static void close(Socket sock) {
if (sock != null) {
try {
sock.close();
} catch (IOException e) {
log.log(Level.WARNING, "Failed to close socket: ", e);
}
}
}
}