BEGIN LICENSE BLOCK *****
Version: EPL 2.0/GPL 2.0/LGPL 2.1
The contents of this file are subject to the Eclipse Public
License Version 2.0 (the "License"); you may not use this file
except in compliance with the License. You may obtain a copy of
the License at http://www.eclipse.org/legal/epl-v20.html
Software distributed under the License is distributed on an "AS
IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
implied. See the License for the specific language governing
rights and limitations under the License.
Copyright (C) 2006 Charles O Nutter 
Alternatively, the contents of this file may be used under the terms of
either of the GNU General Public License Version 2 or later (the "GPL"),
or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
in which case the provisions of the GPL or the LGPL are applicable instead
of those above. If you wish to allow use of your version of this file only
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use your version of this file under the terms of the EPL, indicate your
decision by deleting the provisions above and replace them with the notice
and other provisions required by the GPL or the LGPL. If you do not delete
the provisions above, a recipient may use your version of this file under
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END LICENSE BLOCK /***** BEGIN LICENSE BLOCK *****
 * Version: EPL 2.0/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Eclipse Public
 * License Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of
 * the License at http://www.eclipse.org/legal/epl-v20.html
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * Copyright (C) 2006 Charles O Nutter <headius@headius.com>
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either of the GNU General Public License Version 2 or later (the "GPL"),
 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the EPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the EPL, the GPL or the LGPL.
 ***** END LICENSE BLOCK *****/

package org.jruby.util;

import java.io.File;
import java.io.FileFilter;
import java.io.FilenameFilter;
import java.io.IOException;
import java.net.URI;

import jnr.posix.JavaSecuredFile;

This class provides a File implementation that normalizes all path separators to forward slashes.
This mimics the behavior of C Ruby, where all paths are internally made UNIX-style, even on Windows.
/**
 * This class provides a File implementation that normalizes all path separators to forward slashes.
 * This mimics the behavior of C Ruby, where all paths are internally made UNIX-style, even on Windows.
 */
public class NormalizedFile extends JavaSecuredFile {
    private static final long serialVersionUID = 7630618150344842227L;

    public NormalizedFile(String pathname) {
        super(pathname);
    }

    public NormalizedFile(URI uri) {
        super(uri);
    }

    public NormalizedFile(File parent, String child) {
        super(parent, child);
    }

    public NormalizedFile(String parent, String child) {
        super(parent, child);
    }

    @Override
    public String getAbsolutePath() {
        return new File(super.getPath()).getAbsolutePath().replace(File.separatorChar, '/');
    }

    @Override
    public String getCanonicalPath() throws IOException {
        return super.getCanonicalPath().replace(File.separatorChar, '/');
    }

    @Override
    public String getPath() {
        return super.getPath().replace(File.separatorChar, '/');
    }

    @Override
    public String toString() {
        return super.toString().replace(File.separatorChar, '/');
    }

    @Override
    public File getAbsoluteFile() {
        return new NormalizedFile(getAbsolutePath());
    }

    @Override
    public File getCanonicalFile() throws IOException {
        return new NormalizedFile(getCanonicalPath());
    }

    @Override
    public String getParent() {
        return super.getParent().replace(File.separatorChar, '/');
    }

    @Override
    public File getParentFile() {
        return new NormalizedFile(getParent());
    }
    
    public static File[] listRoots() {
        File[] roots = File.listRoots();
        NormalizedFile[] smartRoots = new NormalizedFile[roots.length];
        for (int i = 0; i < roots.length; i++) {
            smartRoots[i] = new NormalizedFile(roots[i].getPath());
        }
        
        return smartRoots;
    }
    
    public static File createTempFile(String prefix, String suffix, File directory) throws IOException {
        File file = File.createTempFile(prefix, suffix, directory);
        return new NormalizedFile(file.getPath());
    }
    
    public static File createTempFile(String prefix, String suffix) throws IOException {
        File file = File.createTempFile(prefix, suffix);
        return new NormalizedFile(file.getPath());
    }

    @Override
    public String[] list() {
        return super.list();
    }

    @Override
    public String[] list(FilenameFilter filter) {
        String[] files = super.list(filter);
        
        if (files == null) {
            return null;
        } else {
            String[] smartFiles = new String[files.length];
            for (int i = 0; i < files.length; i++) {
                smartFiles[i] = files[i].replace(File.separatorChar, '/');
            }
            return smartFiles;
        }
    }

    @Override
    public File[] listFiles() {
        File[] files = super.listFiles();
        
        if (files == null) {
            return null;
        } else {
            NormalizedFile[] smartFiles = new NormalizedFile[files.length];
            for (int i = 0; i < files.length; i++) {
                smartFiles[i] = new NormalizedFile(files[i].getPath());
            }
            return smartFiles;
        }
    }

    @Override
    public File[] listFiles(FileFilter filter) {
        File[] files = super.listFiles(filter);
        
        if (files == null) {
            return null;
        } else {
            NormalizedFile[] smartFiles = new NormalizedFile[files.length];
            for (int i = 0; i < files.length; i++) {
                smartFiles[i] = new NormalizedFile(files[i].getPath());
            }
            return smartFiles;
        }
    }

    @Override
    public File[] listFiles(FilenameFilter filter) {
        File[] files = super.listFiles(filter);
        
        if (files == null) {
            return null;
        } else {
            NormalizedFile[] smartFiles = new NormalizedFile[files.length];
            for (int i = 0; i < files.length; i++) {
                smartFiles[i] = new NormalizedFile(files[i].getPath());
            }
            return smartFiles;
        }
    }
    
    public static String getFileProperty(String property) {
        String value = System.getProperty(property);
        
        return value.replace(File.separatorChar, '/');
    }
}