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import com.meterware.httpunit.*;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URL;
/**
* This example is from http://m0smith.freeshell.org/blog-portletunit/2008/05/bare-bones-browser-launch-for-java-use
* @author Matthew O. Smith
*
*/
public class BrowserDisplayer {
/**
* Show the response in a browser.
*
* @param response
* the response
* @throws Exception
* on error
*/
public static void showResponseInBrowser(WebResponse response) throws Exception {
String text = response.getText();
File f = File.createTempFile("httpUnit", ".html");
f.deleteOnExit();
PrintWriter fod = new PrintWriter(new FileOutputStream(f));
fod.print("<head><base href=\"'http://localhost'/\"> </head>");
fod.print(text);
fod.close();
URL url = f.toURL();
openURL(url);
}
/**
* Bare Bones Browser Launch Version 1.5 (December 10, 2005) By Dem
* Pilafian. Supports: Mac OS X, GNU/Linux, Unix, Windows XP
*
* Example Usage: String url = "http://www.centerkey.com/";
* BareBonesBrowserLaunch.openURL(url); Public Domain Software -- Free to
* Use as You Like
*
* @param url
* the url to open
* @throws ClassNotFoundException
* getting class
* @throws NoSuchMethodException
* yes
* @throws SecurityException
* well
* @throws InvocationTargetException
* trying to invloke
* @throws IllegalAccessException
* trying to access
* @throws IllegalArgumentException
* bad arguement
* @throws IOException
* opening window
* @throws InterruptedException waiting
*/
public static void openURL(URL url) throws ClassNotFoundException, NoSuchMethodException,
IllegalAccessException, InvocationTargetException, IOException, InterruptedException {
String osName = System.getProperty("os.name");
if (osName.startsWith("Mac OS")) {
Class fileMgr = Class.forName("com.apple.eio.FileManager");
Method openURL = fileMgr.getDeclaredMethod("openURL", new Class[] {String.class });
openURL.invoke(null, new Object[] {url.toString() });
} else if (osName.startsWith("Windows")) {
String cmdLine = "rundll32 url.dll,FileProtocolHandler " + url.toString();
Process exec = Runtime.getRuntime().exec(cmdLine);
exec.waitFor();
} else { // assume Unix or Linux
String[] browsers = {"firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape" };
String browser = null;
for (int count = 0; count < browsers.length && browser == null; count++) { if (Runtime.getRuntime().exec(new String[] {"which", browsers[count] }).waitFor() == 0) { browser = browsers[count]; } } if (browser == null) { throw new IllegalStateException("Could not find web browser"); } else { Runtime.getRuntime().exec(new String[] {browser, url.toString() });
}
}
}
/**
* open a given url indirectly
* @param params
*/
public static void main( String[] params ) {
try {
if (params.length < 1) {
System.out.println( "Usage: java BrowserDisplay [url]" );
System.out.println( "");
System.out.println( "will demonstrate usage with the url 'http://www.meterware.com' now ...");
String[] defaultParams={"http://www.meterware.com"};
params=defaultParams;
}
// direct call first
String url=params[0];
openURL(new URL(url));
// and now indirectly
// create the conversation object which will maintain state for us
WebConversation wc = new WebConversation();
// Obtain the main page on the meterware web site
WebRequest request = new GetMethodWebRequest( url );
WebResponse response = wc.getResponse( request );
showResponseInBrowser(response);
// find the link which contains the string "HttpUnit" and click it
WebLink httpunitLink = response.getFirstMatchingLink( WebLink.MATCH_CONTAINED_TEXT, "HttpUnit" );
response = httpunitLink.click();
showResponseInBrowser(response);
System.out.println("Your browser should show three pages now:");
System.out.println("1. a direct invocation of "+url);
System.out.println("2. an indirect invocation of "+url+" via httpunit");
System.out.println("3. the result httpunit clicking the httpunit link on 2.");
} catch (Exception e) {
System.err.println( "Exception: " + e );
}
}
}
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