com.feilong.commons.core.io.SpecialFolder.java Source code

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Here is the source code for com.feilong.commons.core.io.SpecialFolder.java

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/*
 * Copyright (C) 2008 feilong (venusdrogon@163.com)
 *
 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.feilong.commons.core.io;

import java.io.File;

import javax.swing.filechooser.FileSystemView;

import org.apache.commons.lang3.SystemUtils;

/**
 * .
 * 
 * @author <a href="mailto:venusdrogon@163.com"></a>
 * @version 1.0 2011-3-22 ?11:45:57
 * @since 1.0.0
 * @see org.apache.commons.lang3.SystemUtils
 */
public final class SpecialFolder {

    /** Don't let anyone instantiate this class. */
    private SpecialFolder() {
        //AssertionError?. ?????. ???.
        //see Effective Java 2nd
        throw new AssertionError("No " + getClass().getName() + " instances for you!");
    }

    /**
     * ?.
     * <ul>
     * <li>win7:C:\Users\VENUSD~1\AppData\Local\Temp\</li>
     * <li>win7:C:\Users\feilong\AppData\Local\Temp\</li>
     * </ul>
     * 
     * @return ?
     * 
     * @see org.apache.commons.lang3.SystemUtils#JAVA_IO_TMPDIR
     */
    public static final String getTemp() {
        // XXX ??? java.io.tmpdir ????
        //      String property = "java.io.tmpdir";
        //      String tempDir = System.getProperty(property);
        return SystemUtils.JAVA_IO_TMPDIR;
    }

    /**
     * ?<br>
     * example:win7:C:\Users\venusdrogon\Desktop.
     * 
     * <br>
     *  ?? USERPROFILE<br>
     * return C:\Users\venusdrogon ? Desktop 
     * 
     * @return ??
     * @see FileSystemView#getHomeDirectory()
     */
    public static final String getDesktop() {
        FileSystemView fileSystemView = FileSystemView.getFileSystemView();
        File file = fileSystemView.getHomeDirectory();
        //  ?? USERPROFILE======>C:\Users\venusdrogon ? Desktop 
        return file.getPath();
    }

    /**
     * (),?360.
     * <ul>
     * <li>win7:D:\noMove\documents</li>
     * </ul>
     * 
     * @return ?
     * @see FileSystemView#getDefaultDirectory()
     */
    public static final String getMyDocuments() {
        FileSystemView fileSystemView = FileSystemView.getFileSystemView();
        File file = fileSystemView.getDefaultDirectory();
        return file.getPath();
    }
}