/*
* Copyright (c) 2002-2003 by OpenSymphony
* All rights reserved.
*/
package com.opensymphony.util;
/* ====================================================================
* The OpenSymphony Software License, Version 1.1
*
* (this license is derived and fully compatible with the Apache Software
* License - see http://www.apache.org/LICENSE.txt)
*
* Copyright (c) 2001 The OpenSymphony Group. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* OpenSymphony Group (http://www.opensymphony.com/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "OpenSymphony" and "The OpenSymphony Group"
* must not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact [email protected] .
*
* 5. Products derived from this software may not be called "OpenSymphony"
* or "OSCore", nor may "OpenSymphony" or "OSCore" appear in their
* name, without prior written permission of the OpenSymphony Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/
/**
* Lots of quick file utility methods
*
* @author <a href="mailto:[email protected]">Mike Cannon-Brookes</a>
* @author <a href="mailto:[email protected]">Patrick Kan</a>
* @author <a href="mailto:[email protected]">Joe Walnes</a>
* @version $Revision: 11 $
*/
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.io.*;
import java.net.*;
import java.text.*;
import java.util.*;
/**
* DOCUMENT ME!
*
* @author $author$
* @version $Revision: 11 $
*/
public class FileUtils {
//~ Static fields/initializers /////////////////////////////////////////////
private static final Log log = LogFactory.getLog(FileUtils.class);
//~ Constructors ///////////////////////////////////////////////////////////
public FileUtils() {
}
//~ Methods ////////////////////////////////////////////////////////////////
/**
* Get an InputStream from specified resource uri. URI can be absolute or relative filename, or complete
* URL.
*/
public final static InputStream getResource(String uri) throws IOException {
try {
return new URL(uri).openStream();
} catch (MalformedURLException mue) {
return new FileInputStream(uri);
}
}
public final static File checkBackupDirectory(File file) {
File backupDirectory = new File(file.getParent() + System.getProperty("file.separator") + "osedit_backup");
if (!backupDirectory.exists()) {
backupDirectory.mkdirs();
}
return backupDirectory;
}
public final static File createFile(String path) {
File file = new File(path);
try {
file.createNewFile();
} catch (IOException e) {
log.error(e);
}
return file;
}
public final static String[] dirList(String path) {
return dirList(new File(path));
}
public final static String[] dirList(File path) {
String[] list;
list = path.list();
return list;
}
public final static String readFile(File file) {
try {
BufferedReader in = new BufferedReader(new FileReader(file));
String s = new String();
StringBuffer buffer = new StringBuffer();
while ((s = in.readLine()) != null) {
buffer.append(s + "\n");
}
in.close();
return buffer.toString();
} catch (FileNotFoundException e) {
log.warn("File not found");
} catch (IOException e) {
log.error(e);
}
return null;
}
public final static void write(File file, String content) {
try {
BufferedWriter out = new BufferedWriter(new FileWriter(file));
out.write(content);
out.close();
} catch (FileNotFoundException e) {
log.warn("File not found", e);
} catch (IOException e) {
log.error(e);
}
}
public final static void writeAndBackup(File file, String content) {
try {
DateFormat backupDF = new SimpleDateFormat("ddMMyy_hhmmss");
File backupDirectory = checkBackupDirectory(file);
File original = new File(file.getAbsolutePath());
File backup = new File(backupDirectory, original.getName() + "." + backupDF.format(new Date()));
if (log.isDebugEnabled()) {
log.debug("Backup file is " + backup);
}
original.renameTo(backup);
BufferedWriter out = new BufferedWriter(new FileWriter(file));
out.write(content);
out.close();
} catch (FileNotFoundException e) {
log.warn("File not found", e);
} catch (IOException e) {
log.error(e);
}
}
}
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