copy InputStream to File - Android File Input Output

Android examples for File Input Output:Copy File

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  4. Copy File

Description

copy InputStream to File

Demo Code


//package com.java2s;

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

import java.nio.channels.FileChannel;

public class Main {
    public static boolean copyFile(InputStream sourceFile, File destFile)
            throws IOException {
        OutputStream out = new FileOutputStream(destFile);
        byte[] buf = new byte[4096];
        int len;// ww  w.j  ava 2  s.co  m
        while ((len = sourceFile.read(buf)) > 0) {
            Thread.yield();
            out.write(buf, 0, len);
        }
        out.close();
        return true;
    }

    public static boolean copyFile(File sourceFile, File destFile)
            throws IOException {
        if (!destFile.exists()) {
            destFile.createNewFile();
        }
        FileChannel source = null;
        FileChannel destination = null;
        try {
            source = new FileInputStream(sourceFile).getChannel();
            destination = new FileOutputStream(destFile).getChannel();
            destination.transferFrom(source, 0, source.size());
        } catch (Exception e) {
            //FileLog.e("tmessages", e);
            return false;
        } finally {
            if (source != null) {
                source.close();
            }
            if (destination != null) {
                destination.close();
            }
        }
        return true;
    }
}

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