Wget.java

package com.krickert.wget;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;

/**
 * simple wget - takes a file and saves it to disk.
 * 
 * @author krickert
 * 
 */
public class Wget {

  /**
   * Performs the wget. This is a simple static function that was made to
   * simplfy the way to just download a file from the internet to make it as
   * easy as a browser
   * 
   * 
   * @param saveAsFile
   *          the file to save as from the internets
   * @param urlOfFile
   *          the URL of the file to download
   * @return the status if it works
   */
  public static WgetStatus wGet(String saveAsFile, String urlOfFile) {
    InputStream httpIn = null;
    OutputStream fileOutput = null;
    OutputStream bufferedOut = null;
    try {
      // check the http connection before we do anything to the fs
      httpIn = new BufferedInputStream(new URL(urlOfFile).openStream());
      // prep saving the file
      fileOutput = new FileOutputStream(saveAsFile);
      bufferedOut = new BufferedOutputStream(fileOutput, 1024);
      byte data[] = new byte[1024];
      boolean fileComplete = false;
      int count = 0;
      while (!fileComplete) {
        count = httpIn.read(data, 0, 1024);
        if (count <= 0) {
          fileComplete = true;
        } else {
          bufferedOut.write(data, 0, count);
        }
      }
    } catch (MalformedURLException e) {
      return WgetStatus.MalformedUrl;
    } catch (IOException e) {
      return WgetStatus.IoException;
    } finally {
      try {
        bufferedOut.close();
        fileOutput.close();
        httpIn.close();
      } catch (IOException e) {
        return WgetStatus.UnableToCloseOutputStream;
      }
    }
    return WgetStatus.Success;
  }

}