Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//it under the terms of the GNU Affero General Public License as published by

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class Main {
    /**
     * Copys a document file from one directory to another
     * @param documentPath
     * @param destPath
     * @param filename
     * @param entityId src file Entity ID
     * @param newEntityId dest file Entity ID
     * @throws IOException
     */
    public static void copyDocumentFile(File documentDir, File destDir, String filename, Object entityId,
            Object newEntityId) throws IOException {
        File src = new File(documentDir, filename);
        File dest = new File(destDir, filename);
        if (dest.exists())
            dest.delete();

        byte[] buffer = new byte[4096];
        int read = 0;
        InputStream in = null;
        OutputStream out = null;
        try {
            in = new BufferedInputStream(new FileInputStream(src));
            out = new BufferedOutputStream(new FileOutputStream(dest));
            while (true) {
                read = in.read(buffer);
                if (read == -1) {
                    // -1 bedeutet EOF
                    break;
                }
                out.write(buffer, 0, read);
            }
        } finally {
            if (in != null) {
                try {
                    in.close();
                } finally {
                    if (out != null) {
                        out.close();
                    }
                }
            }
        }
    }
}