ch.elexis.core.data.util.FileUtility.java Source code

Introduction

Here is the source code for ch.elexis.core.data.util.FileUtility.java

Source

/*******************************************************************************
 * Copyright (c) 2007-2011, G. Weirich and Elexis
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     G. Weirich - initial API and implementation
 ******************************************************************************/
package ch.elexis.core.data.util;

import java.io.File;

import ch.elexis.core.utils.FileUtil;

/**
 * @deprecated Use org.apache.commons.io.FileUtils or {@link FileUtil}
 * @author med1
 *
 */
public class FileUtility {
    public static String DIRECTORY_SEPARATOR = File.separator;

    public static final String ZIP_EXTENSION = ".gz"; //$NON-NLS-1$

    private static String getCorrectSeparators(final String pathOrFilename) {
        return pathOrFilename.replace("\\", DIRECTORY_SEPARATOR).replace("//", //$NON-NLS-1$ //$NON-NLS-2$
                DIRECTORY_SEPARATOR).replace("/", DIRECTORY_SEPARATOR); //$NON-NLS-1$
    }

    private static String removeMultipleSeparators(String pathOrFilename) {
        String doubleSeparator = DIRECTORY_SEPARATOR + DIRECTORY_SEPARATOR;
        if (pathOrFilename.indexOf(doubleSeparator) >= 0) {
            pathOrFilename = pathOrFilename.replace(doubleSeparator, DIRECTORY_SEPARATOR);
        }
        return pathOrFilename;
    }

    /**
     * berprft ob Verzeichnis korrekt ist. Falls nicht, wird das Verzeichnis korrigiert.
     * 
     * @param path
     *            oder null
     */
    public static String getCorrectPath(String path) throws IllegalArgumentException {
        if (path == null) {
            return ""; //$NON-NLS-1$
        }
        path = getCorrectSeparators(path);
        path = removeMultipleSeparators(path);
        if (!path.endsWith(DIRECTORY_SEPARATOR)) {
            path += DIRECTORY_SEPARATOR;
        }
        return path;
    }

    /**
     * berprft, ob eine Datei existiert
     */
    public static boolean doesFileExist(final String filePathName) {
        File file = new File(filePathName);
        return file.isFile() && file.exists();
    }

    /**
     * berprft, ob es sich um ein absolutes Verzeichnis handelt
     */
    public static boolean isRootDir(String dir) {
        return (dir.startsWith(DIRECTORY_SEPARATOR) || dir.indexOf(":") > 0);// Linux & Windows Root //$NON-NLS-1$
    }

    /**
     * Lscht Datei
     */
    public static void deleteFile(final String filePathName) throws IllegalArgumentException {
        if (doesFileExist(filePathName)) {
            File file = new File(filePathName);
            file.delete();
        }
    }

    /**
     * Retourniert Pfad ohne Dateinamen als String
     */
    public static String getFilepath(final String filenamePath) {
        String correctFilenamePath = getCorrectSeparators(filenamePath);

        if (correctFilenamePath.indexOf(DIRECTORY_SEPARATOR) < 0) {
            return ""; //$NON-NLS-1$
        }
        return correctFilenamePath.substring(0, correctFilenamePath.lastIndexOf(DIRECTORY_SEPARATOR));
    }

    /**
     * Retourniert Dateinamen ohne Pfad als String
     */
    public static String getFilename(final String filenamePath) {
        String correctFilenamePath = getCorrectSeparators(filenamePath);

        if (correctFilenamePath.indexOf(DIRECTORY_SEPARATOR) < 0) {
            return filenamePath;
        }
        return correctFilenamePath.substring(correctFilenamePath.lastIndexOf(DIRECTORY_SEPARATOR) + 1,
                correctFilenamePath.length());
    }

    /**
     * Retourniert Dateinamen ohne Pfad und Endung. Falls keine Endung vorhanden ist, wird der
     * Dateinamen retourniert.
     */
    public static String getNakedFilename(final String filenamePath) {
        String filename = getFilename(filenamePath);

        if (filename.lastIndexOf(".") > 0) { //$NON-NLS-1$
            return filename.substring(0, filename.lastIndexOf(".")); //$NON-NLS-1$
        }

        return filename;
    }

    /**
     * Retourniert Dateiendung (mit Punkt). Falls keine Endung gefunden wird, wird ein leerer String
     * retourniert.
     */
    public static String getFileExtension(final String filenamePath) {
        String filename = getFilename(filenamePath);

        if (filename.lastIndexOf(".") > 0) { //$NON-NLS-1$
            return filename.substring(filename.lastIndexOf("."), filename.length()); //$NON-NLS-1$

        }

        return ""; //$NON-NLS-1$
    }
}