Java Delete Temp File deleteTempFiles()

Description

delete Temp Files

License

Open Source License

Declaration

public static void deleteTempFiles() throws IOException 

Method Source Code

//package com.java2s;

import java.io.File;

import java.io.FilenameFilter;
import java.io.IOException;

public class Main {
    public static void deleteTempFiles() throws IOException {
        File file = createTempFile("test", "test");
        String folder = getDirectoryForFile(file.getAbsolutePath());
        String[] list = new File(folder).list(new FilenameFilter() {
            public boolean accept(File dir, String name) {
                return name.startsWith("ohfu-");
            }//from  www .  j  a va 2  s .c  o m
        });
        if (list != null) {
            for (String n : list) {
                new File(path(folder, n)).delete();
            }
        }
    }

    public static File createTempFile(String prefix, String suffix) throws IOException {
        // this allows use to eaily identify all our dtemp files and delete them, since delete on Exit doesn't really work.
        File file = File.createTempFile("ohfu-" + prefix, suffix);
        file.deleteOnExit();
        return file;
    }

    public static String getDirectoryForFile(String filepath) {
        File f = new File(filepath);
        return f.getParent();
    }

    public static String path(String... args) {
        StringBuilder s = new StringBuilder();
        boolean d = false;
        for (String arg : args) {
            if (!d)
                d = !noString(arg);
            else if (!s.toString().endsWith(File.separator))
                s.append(File.separator);
            String a = arg;
            a = a.replace("\\", File.separator);
            if (s.length() > 0 && a.startsWith(File.separator))
                a = a.substring(File.separator.length());

            if ("..".equals(a)) {
                int i = s.substring(0, s.length() - 1).lastIndexOf(File.separator);
                s = new StringBuilder(s.substring(0, i + 1));
            } else
                s.append(a);
        }
        return s.toString();
    }

    public static boolean noString(String v) {
        return v == null || v.equals("");
    }

    public static boolean equals(String one, String two) {
        if (one == null && two == null)
            return true;
        if (one == null || two == null)
            return false;
        return one.equals(two);
    }
}

Related

1. deleteTempFile(File f)
2. deleteTempFile(final File tempFile)
3. deleteTempFile(String fileId)
4. deleteTempFiles()
5. deleteTempFiles()
6. deleteTempFiles()
7. deleteTempFiles(final File workFolder)
8. deleteTempFiles(Map fileMap, String templateFileName)