DownloadTool.java
上传用户:qing5858
上传日期:2015-10-27
资源大小:6056k
文件大小:1k
- package net.javacoding.jspider.tool.impl;
- import net.javacoding.jspider.api.event.JSpiderEvent;
- import net.javacoding.jspider.api.event.resource.ResourceFetchedEvent;
- import java.io.*;
- /**
- * $Id: DownloadTool.java,v 1.3 2003/04/01 19:44:42 vanrogu Exp $
- */
- public class DownloadTool extends BaseToolImpl {
- public String getName() {
- return "download";
- }
- public String getUsage() {
- return "[filename]";
- }
- public int getParameterCount() {
- return 1;
- }
- public void notify(JSpiderEvent event) {
- String fileName = parameters.getValues()[0];
- if ( event instanceof ResourceFetchedEvent ) {
- ResourceFetchedEvent rfe = (ResourceFetchedEvent) event;
- int counter = 0;
- try {
- InputStream is = rfe.getResource().getInputStream();
- OutputStream os = new FileOutputStream(fileName);
- int read = is.read();
- while ( read != -1 ) {
- counter++;
- os.write(read);
- read = is.read ( );
- }
- os.flush();
- os.close();
- is.close();
- System.out.println("Downloaded resource to '" + fileName + "' (" + counter + " bytes)" );
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
- }
- }