Java Doc for PollHandler.java in  » Web-Server » Brazil » sunlabs » brazil » handler » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Server » Brazil » sunlabs.brazil.handler 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.lang.Thread
      sunlabs.brazil.handler.PollHandler

PollHandler
public class PollHandler extends Thread implements Handler(Code)
Handler for periodically polling another web site, whose results are (optionally) added to the server's properties. THis also includes the ability to request URL's on a cron-like schedule.

The result of fetching the url is expected to be a text document in java Properties format.

Properties:

url
The fully qualified URL to fetch periodically.
interval
The interval (in seconds) to fetch the url. Defaults to 10 seconds. If match is specified, this is the interval used to check for a time/date match.
prepend
The string to prepend to the properties. If not supplied, no properties are loaded.
match
If specified, a regular expression that must match the current time for this URL to run. The format to match is: "EEE-dd-HH-mm" (eg: Thu-Dec, 14, 14:12 pm).

author:
   Stephen Uhler
version:
   %V% PollHandler.java 1.2


Field Summary
 intinterval
    
 Stringmatch
    
 Stringprefix
    
 Stringprepend
    
 Regexpre
    
 Serverserver
    
 Stringthen
    
 Stringurl
    


Method Summary
public  booleaninit(Server server, String prefix)
     Set up the initial configuration, and kick off a thread to periodically fetch the url.
public  booleanrespond(Request request)
     This might allow control over the polling via requests at a later date.
public  voidrun()
     Periodically poll the url, and copy the results into the server properties.

Field Detail
interval
int interval(Code)



match
String match(Code)



prefix
String prefix(Code)



prepend
String prepend(Code)



re
Regexp re(Code)



server
Server server(Code)



then
String then(Code)



url
String url(Code)





Method Detail
init
public boolean init(Server server, String prefix)(Code)
Set up the initial configuration, and kick off a thread to periodically fetch the url.



respond
public boolean respond(Request request)(Code)
This might allow control over the polling via requests at a later date. For now, it always returns false.



run
public void run()(Code)
Periodically poll the url, and copy the results into the server properties.



Fields inherited from java.lang.Thread
final public static int MAX_PRIORITY(Code)(Java Doc)
final public static int MIN_PRIORITY(Code)(Java Doc)
final public static int NORM_PRIORITY(Code)(Java Doc)

Methods inherited from java.lang.Thread
public static int activeCount()(Code)(Java Doc)
final public void checkAccess()(Code)(Java Doc)
native public int countStackFrames()(Code)(Java Doc)
native public static Thread currentThread()(Code)(Java Doc)
public void destroy()(Code)(Java Doc)
public static void dumpStack()(Code)(Java Doc)
public static int enumerate(Thread tarray)(Code)(Java Doc)
public static Map<Thread, StackTraceElement[]> getAllStackTraces()(Code)(Java Doc)
public ClassLoader getContextClassLoader()(Code)(Java Doc)
public static UncaughtExceptionHandler getDefaultUncaughtExceptionHandler()(Code)(Java Doc)
public long getId()(Code)(Java Doc)
final public String getName()(Code)(Java Doc)
final public int getPriority()(Code)(Java Doc)
public StackTraceElement[] getStackTrace()(Code)(Java Doc)
public State getState()(Code)(Java Doc)
final public ThreadGroup getThreadGroup()(Code)(Java Doc)
public UncaughtExceptionHandler getUncaughtExceptionHandler()(Code)(Java Doc)
native public static boolean holdsLock(Object obj)(Code)(Java Doc)
public void interrupt()(Code)(Java Doc)
public static boolean interrupted()(Code)(Java Doc)
final native public boolean isAlive()(Code)(Java Doc)
final public boolean isDaemon()(Code)(Java Doc)
public boolean isInterrupted()(Code)(Java Doc)
final public synchronized void join(long millis) throws InterruptedException(Code)(Java Doc)
final public synchronized void join(long millis, int nanos) throws InterruptedException(Code)(Java Doc)
final public void join() throws InterruptedException(Code)(Java Doc)
final public void resume()(Code)(Java Doc)
public void run()(Code)(Java Doc)
public void setContextClassLoader(ClassLoader cl)(Code)(Java Doc)
final public void setDaemon(boolean on)(Code)(Java Doc)
public static void setDefaultUncaughtExceptionHandler(UncaughtExceptionHandler eh)(Code)(Java Doc)
final public void setName(String name)(Code)(Java Doc)
final public void setPriority(int newPriority)(Code)(Java Doc)
public void setUncaughtExceptionHandler(UncaughtExceptionHandler eh)(Code)(Java Doc)
native public static void sleep(long millis) throws InterruptedException(Code)(Java Doc)
public static void sleep(long millis, int nanos) throws InterruptedException(Code)(Java Doc)
public synchronized void start()(Code)(Java Doc)
final public void stop()(Code)(Java Doc)
final public synchronized void stop(Throwable obj)(Code)(Java Doc)
final public void suspend()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
native public static void yield()(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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