urlgrabber.java

随书的代码

package com.macfaq.net;

import java.net.URL;
import java.io.IOException;
import java.net.MalformedURLException;
import java.io.InputStream;


public class URLGrabber {

  public static InputStream getDocumentAsInputStream(URL url) 
    throws IOException {
  
    InputStream in = url.openStream();
    return in;
  
  }

  public static InputStream getDocumentAsInputStream(String url) 
    throws MalformedURLException, IOException {
  
    URL u = new URL(url);
    return getDocumentAsInputStream(u);
  
  }

  public static String getDocumentAsString(URL url) 
    throws IOException {
  
    StringBuffer result = new StringBuffer();
    InputStream in = url.openStream();
    int c;
    while ((c = in.read()) != -1) result.append((char) c);
    return result.toString();
  
  }

  public static String getDocumentAsString(String url) 
    throws MalformedURLException, IOException {
  
    URL u = new URL(url);
    return getDocumentAsString(u);
  
  }

}