Java FileInputStream Copy copyFile(File srcFile, File destFile)

Description

copy File

License

Apache License

Declaration

public static void copyFile(File srcFile, File destFile) throws IOException 

Method Source Code

//package com.java2s;
/*/*  w w w  .  jav a2s.c  o m*/
 *    Copyright 2009-2012 University of Toronto
 *
 *    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.
 */

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 {
    public static void copyFile(File srcFile, File destFile) throws IOException {
        if (srcFile.equals(destFile)) {
            return;
        }
        copyStream(new FileInputStream(srcFile), new FileOutputStream(destFile));
    }

    public static void copyStream(InputStream input, OutputStream output) throws IOException {
        byte[] buf = new byte[8192];
        int len;
        try {
            while ((len = input.read(buf)) > 0) {
                output.write(buf, 0, len);
            }
        } catch (IOException x) {
            // There's a bug in BlockCompressedInputStream where it throws an IOException instead of doing a proper EOF.
            // Suppress this exception, but throw real ones.
            if (!x.getMessage().equals("Unexpected compressed block length: 1")) {
                throw x;
            }
        } finally {
            input.close();
            output.close();
        }
    }
}

Related

1. copyFile(File srcFile, File destFile)
2. CopyFile(File srcFile, File destFile)
3. copyFile(File srcFile, File destFile)
4. copyFile(File srcFile, File destFile)
5. copyFile(File srcFile, File destFile)
6. copyFile(File srcFile, File destFile)
7. copyFile(File srcFile, File destFile, boolean recursive)
8. copyFile(File srcFile, File dstFile)
9. copyFile(File srcFile, File dstFile)