com.softenido.cafedark.io.virtual.VirtualFile.java Source code

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Here is the source code for com.softenido.cafedark.io.virtual.VirtualFile.java

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/*
 *  VirtualFile.java
 *
 *  Copyright (C) 2010  Francisco Gmez Carrasco
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 *  Report bugs or new features to: flikxxi@gmail.com
 *
 */
package com.softenido.cafedark.io.virtual;

import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
import org.apache.commons.compress.archivers.ArchiveEntry;
import org.apache.commons.compress.archivers.ArchiveException;

/**
 *
 * @author franci
 */
public class VirtualFile implements /*Comparable<VirtualFile>,*/ Cloneable {
    private final VirtualFileSystem fs;

    public VirtualFile(File file) {
        this.fs = new FileVirtualFileSystem(file);
    }

    public VirtualFile(String pathname) {
        String[] items = pathname.split(VirtualFileSystem.pathSeparator);
        this.fs = pathname.contains(VirtualFileSystem.pathSeparator) ? new ZipVirtualFileSystem(items, pathname)
                : new FileVirtualFileSystem(pathname);
    }

    public VirtualFile(VirtualFile parent, String child) {
        String[] parentItems = parent.splitPath();
        String[] items = Arrays.copyOf(parentItems, parentItems.length + 1);
        items[parentItems.length] = child;
        this.fs = new ZipVirtualFileSystem(items);
    }

    public VirtualFile(VirtualFile parent, ArchiveEntry child) {
        String[] parentItems = parent.splitPath();
        String[] items = Arrays.copyOf(parentItems, parentItems.length + 1);
        items[parentItems.length] = child.toString();
        this.fs = new ZipVirtualFileSystem(items, child);
    }

    VirtualFile(VirtualFileSystem fs) {
        this.fs = fs;
    }

    public String[] splitPath() {
        return fs.splitPath();
    }

    public long length() {
        return fs.length();
    }

    public InputStream getInputStream() throws IOException, ArchiveException {
        return fs.getInputStream();
    }

    public String getCanonicalPath() throws IOException {
        return fs.getCanonicalPath();
    }

    public String getAbsolutePath() throws IOException {
        return fs.getAbsolutePath();
    }

    public VirtualFile getCanonicalFile() throws IOException {
        VirtualFileSystem cf = fs.getCanonicalFile();
        if (fs != cf) {
            return new VirtualFile(cf);
        }
        return this;
    }

    public VirtualFile getAbsoluteFile() throws IOException {
        VirtualFileSystem af = fs.getAbsoluteFile();
        if (af != af) {
            return new VirtualFile(af);
        }
        return this;
    }

    public String getPath() {
        return fs.getPath();
    }

    public File getBaseFile() {
        return fs.getBaseFile();
    }

    public boolean exists() {
        return fs.exists();
    }

    public boolean canRead() {
        return fs.canRead();
    }

    public boolean canWrite() {
        return fs.canWrite();
    }

    public boolean delete() {
        return fs.delete();
    }

    public boolean isHidden() {
        return fs.isHidden();
    }

    public boolean isFile() {
        return fs.isFile();
    }

    public boolean isDirectory() {
        return fs.isDirectory();
    }

    public boolean isComplex() {
        return fs.isComplex();
    }

    @Override
    public String toString() {
        return fs.toString();
    }

    public String getName() {
        return fs.getName();
    }

    public String getLastPath() {
        return fs.getLastPath();
    }

    @Override
    public VirtualFile clone() throws CloneNotSupportedException {
        return (VirtualFile) super.clone();
    }

    public static VirtualFileFilter buildFilter(final FileFilter filter) {
        if (filter != null) {
            return new VirtualFileFilter() {
                public boolean accept(VirtualFile pathname) {
                    return filter.accept(new File(pathname.getLastPath()));
                }
            };
        }
        return null;
    }

    public static VirtualFile[] asVirtualFile(File[] files) {
        if (files != null) {
            VirtualFile[] pf = new VirtualFile[files.length];
            for (int i = 0; i < files.length; i++) {
                pf[i] = new VirtualFile(files[i]);
            }
            return pf;
        }
        return null;
    }

    public boolean isLink() throws IOException {
        return fs.isLink();
    }

    //
    public int compareTo(VirtualFile file) {
        // ES NECESARIO REPENSAR COMO COMPARAR FICHEROS DE DISTINTA INDOLE
        return fs.toString().compareTo(file.toString());
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final VirtualFile other = (VirtualFile) obj;
        if (this.fs != other.fs && (this.fs == null || !this.fs.equals(other.fs))) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {
        return (this.fs != null ? this.fs.hashCode() : 0);
    }

    VirtualFile getParentFile() {
        VirtualFileSystem parent = fs.getParentFile();
        return (parent != null) ? new VirtualFile(parent) : null;
    }

}