CscBrowser.java

package com.csc.library.utilities;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URLDecoder;
import java.text.DateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Vector;
public class CscBrowser {
    private File myFiles = null;
    private File[] myFilesArr = null;
    private int currentFile = -1;
    private int fileCount = 0;
    
    public CscBrowser() {
    	super();
    }
    public CscBrowser(String mfile) {
        if (mfile.trim().length() > 0) {
            this.setmyFiles(mfile);
            this.setmyFilesArr();
        }
    }
    public void setmyFiles(String strfile) {
        this.myFiles = new File(strfile);
    }
    /**
     *  method for set value to array that store file and directory list
     *  file address is array to store only address of file ([index][address])
     * */
    protected void setmyFilesArr() {
        this.myFilesArr = this.myFiles.listRoots();
        this.myFilesArr = this.myFiles.listFiles();
        this.setFileCount(this.fetchTotalFilesCount());
    }
    public File getmyFiles() {
        return this.myFiles;
    }
    public File[] getmyFilesArr() {
        return this.myFilesArr;
    }
    /**
     * method for set total of file count
     * */
    public int fetchTotalFilesCount() {
        File tmp = null;
        int count = 0;
        while (this.next()) {
            if(this.getAbsoluteFile().isFile()){
                count++;
            }           
        }
        this.setFileCount(count);
        this.reset();
        return count;
    }
    public void setOrderBy(File[] mfile) {
        Arrays.sort(mfile);
    }
    /**
     *  @param mtype  mode sort by 1=Filename, 2=Size, 3=Date, 4=Type
     * */
    public void setOrderBy(int mtype) {
        Arrays.sort(this.myFilesArr, new FileComp(mtype));
    }
    public String setDateFormatFile(Date mdate) {
        DateFormat dateFormat = DateFormat.getInstance();
        return dateFormat.format(mdate);
    }
    public String getFileFolder() {
        this.setOrderBy(this.myFilesArr);
        String date = "";
        for (int i = 0; i < this.myFilesArr.length; i++) {
            if (!this.myFilesArr[i].isDirectory()) {
                date = setDateFormatFile(new Date(this.myFilesArr[i].lastModified()));
                //System.out.println(this.myFilesArr[i].getName() + " Modify : " + date);
            } else {
                // System.out.println(this.myFilesArr[i].getName() + "[DIR]");
            }
        }
        return "";
    }
    public boolean isFolder() {
            if (!this.myFilesArr[currentFile].isDirectory()) {
            	return false;
            }
        return true;
    }    
    private boolean chkLastfile() {
        boolean chk = false;
        if (this.getmyFilesArr() != null) {
            if (this.currentFile < this.getmyFilesArr().length - 1) {
                return true;
            }
        }
        return false;
    }
    public boolean isLast() {       
        return !this.chkLastfile();
    }
    public boolean nextFile() {
        boolean nx = false;
        if (!this.chkLastfile())
            return nx;
        while (this.next()) {
            if (this.getAbsoluteFile().isFile())
                return true;
        }
        return nx;
    }
    public boolean next() {
        boolean nx = false;
        if (this.chkLastfile()) {
            this.currentFile++;
            nx = true;
        } else {
            nx = false;
        }
        return nx;
    }
    public void reset(){
        this.currentFile = -1;
    }
    public File getAbsoluteFile() {
        return this.myFilesArr[this.currentFile];
    }
    public File getAbsoluteFile(int index) {
        return this.myFilesArr[index];
    }
    public String getFileName() {
        return this.myFilesArr[this.currentFile].getName();
    }
    public boolean isAbsolute() {
        return this.myFilesArr[this.currentFile].isAbsolute();
    }
    public boolean isDirectory() {
        return this.myFilesArr[this.currentFile].isDirectory();
    }
    public boolean isHidden() {
        return this.myFilesArr[this.currentFile].isHidden();
    }
    public boolean isFile() {
        return this.myFilesArr[this.currentFile].isFile();
    }
    public String getMimeType() {
        String fName = this.myFilesArr[this.currentFile].getName();
        fName = fName.toLowerCase();
        if (fName.endsWith(".jpg") || fName.endsWith(".jpeg") || fName.endsWith(".jpe"))
            return "image/jpeg";
        else if (fName.endsWith(".gif"))
            return "image/gif";
        else if (fName.endsWith(".pdf"))
            return "application/pdf";
        else if (fName.endsWith(".htm") || fName.endsWith(".html") || fName.endsWith(".shtml"))
            return "text/html";
        else if (fName.endsWith(".avi"))
            return "video/x-msvideo";
        else if (fName.endsWith(".mov") || fName.endsWith(".qt"))
            return "video/quicktime";
        else if (fName.endsWith(".mpg") || fName.endsWith(".mpeg") || fName.endsWith(".mpe"))
            return "video/mpeg";
        else if (fName.endsWith(".zip"))
            return "application/zip";
        else if (fName.endsWith(".tiff") || fName.endsWith(".tif"))
            return "image/tiff";
        else if (fName.endsWith(".rtf"))
            return "application/rtf";
        else if (fName.endsWith(".mid") || fName.endsWith(".midi"))
            return "audio/x-midi";
        else if (fName.endsWith(".xl") || fName.endsWith(".xls") || fName.endsWith(".xlv") || fName.endsWith(".xla") || fName.endsWith(".xlb") || fName.endsWith(".xlt") || fName.endsWith(".xlm") || fName.endsWith(".xlk"))
            return "application/excel";
        else if (fName.endsWith(".doc") || fName.endsWith(".doc"))
            return "application/msword";
        else if (fName.endsWith(".png"))
            return "image/png";
        else if (fName.endsWith(".xml"))
            return "text/xml";
        else if (fName.endsWith(".svg"))
            return "image/svg+xml";
        else
            return "text/plain";
    }
    public String getFileSize() {
        long msize = 0;
        String filesize = "";
        try {
            File fsize = null;
            fsize = this.myFilesArr[this.currentFile].getCanonicalFile();
            msize = fsize.length();
            filesize = convertFileSize(msize);
        } catch (Exception ex) {
        	MyLog.error(this, ex);
        }
        return filesize;
    }
    public String getFileModify() {
        return setDateFormatFile(new Date(this.myFilesArr[this.currentFile].lastModified()));
    }
    static Vector expandFileList(String[] files, boolean inclDirs) {
        Vector v = new Vector();
        if (files == null)
            return v;
        for (int i = 0; i < files.length; i++)
            v.add(new File(URLDecoder.decode(files[i])));
        for (int i = 0; i < v.size(); i++) {
            File f = (File) v.get(i);
            if (f.isDirectory()) {
                File[] fs = f.listFiles();
                for (int n = 0; n < fs.length; n++)
                    v.add(fs[n]);
                if (!inclDirs) {
                    v.remove(i);
                    i--;
                }
            }
        }
        return v;
    }
    /**
     * Method to build an absolute path
     * @param dir the root dir
     * @param name the name of the new directory
     * @return if name is an absolute directory, returns name, else returns dir+name
     */
    static String getDir(String dir, String name) {
        if (!dir.endsWith(File.separator))
            dir = dir + File.separator;
        File mv = new File(name);
        String new_dir = null;
        if (!mv.isAbsolute()) {
            new_dir = dir + name;
        } else
            new_dir = name;
        return new_dir;
    }
    /**
     * Copies all data from in to out
     * 	@param in the input stream
     *	@param out the output stream
     *	@param buffer copy buffer
     */
    static void copyStreams(InputStream in, OutputStream out, byte[] buffer) throws IOException {
        copyStreamsWithoutClose(in, out, buffer);
        in.close();
        out.close();
    }
    /**
     * Copies all data from in to out
     * 	@param in the input stream
     *	@param out the output stream
     *	@param buffer copy buffer
     */
    static void copyStreamsWithoutClose(InputStream in, OutputStream out, byte[] buffer) throws IOException {
        int b;
        while ((b = in.read(buffer)) != -1)
            out.write(buffer, 0, b);
    }
    static String convertFileSize(long size) {
        int divisor = 1;
        String unit = "bytes";
        if (size >= 1024 * 1024) {
            divisor = 1024 * 1024;
            unit = "MB";
        } else if (size >= 1024) {
            divisor = 1024;
            unit = "KB";
        }
        if (divisor == 1)
            return size / divisor + " " + unit;
        String aftercomma = "" + 100 * (size % divisor) / divisor;
        if (aftercomma.length() == 1)
            aftercomma = "0" + aftercomma;
        return size / divisor + "." + aftercomma + " " + unit;
    }
    /**
     * Returns the fileCount.
     * @return int
     */
    public int getFileCount() {
        return fileCount;
    }
    /**
     * Sets the fileCount.
     * @param fileCount The fileCount to set
     */
    public void setFileCount(int fileCount) {
        this.fileCount = fileCount;
    }
    public static void main(String args[]) {
        CscBrowser cb = new CscBrowser("D:/EnterprisePT/JbossTOA/server/default/deploy/HRPEAP.ear/hrAppWeb.war/Payroll/upload/report/EXPORT/XML/PVF/");
        //cb.setOrderBy(1);
        File tmp = null;
        int i=0;
        while(cb.nextFile()){
            System.out.println("No."+(i++)+"    "+cb.isLast());
        }
    }
}