Java Doc for Scanner.java in  » Sevlet-Container » jetty-modules » org » mortbay » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Sevlet Container » jetty modules » org.mortbay.util   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.mortbay.util.Scanner Scanner public class Scanner implements Runnable(Code) Scanner Utility for scanning a directory for added, removed and changed files and reporting these events via registered Listeners. TODO AbstractLifeCycle Inner Class :public interface Listener Constructor Summary public   Scanner()      Method Summary public synchronized  void addListener(Listener listener)      public  FilenameFilter getFilenameFilter()      Get any filter applied to files in the scan dir. public  File getScanDir()      public  int getScanInterval()      public synchronized  void removeListener(Listener listener)      public  void reportDifferences(Map currentScan, Map oldScan)      public  void run()      Scan the configured directory, sleeping for the configured scanInterval (in seconds) between each pass. public  void scan()      public  Map scanFiles()      Recursively scan all files in the designated directory. public  void setFilenameFilter(FilenameFilter filter)      Apply a filter to files found in the scan directory. public  void setReportExistingFilesOnStartup(boolean reportExisting)      Whether or not an initial scan will report all files as being added. public  void setScanDir(File dir)      Set the location of the directory to scan. public  void setScanInterval(int scanInterval)      public  void start()      Start the scanning action. public  void stop()      Stop the scanning. Constructor Detail Scanner public Scanner()(Code) Method Detail addListener public synchronized void addListener(Listener listener)(Code) Add an added/removed/changed listener Parameters:   listener - getFilenameFilter public FilenameFilter getFilenameFilter()(Code) Get any filter applied to files in the scan dir. getScanDir public File getScanDir()(Code) Get the location of the directory to scan getScanInterval public int getScanInterval()(Code) Get the scan interval interval between scans in seconds removeListener public synchronized void removeListener(Listener listener)(Code) Remove a registered listener Parameters:   listener - the Listener to be removed reportDifferences public void reportDifferences(Map currentScan, Map oldScan)(Code) Report the adds/changes/removes to the registered listeners Parameters:   currentScan - the info from the most recent pass Parameters:   oldScan - info from the previous pass run public void run()(Code) Scan the configured directory, sleeping for the configured scanInterval (in seconds) between each pass. See Also:   java.lang.Runnable.run scan public void scan()(Code) Perform a pass of the scanner and report changes scanFiles public Map scanFiles()(Code) Recursively scan all files in the designated directory. setFilenameFilter public void setFilenameFilter(FilenameFilter filter)(Code) Apply a filter to files found in the scan directory. Only files matching the filter will be reported as added/changed/removed. Parameters:   filter - setReportExistingFilesOnStartup public void setReportExistingFilesOnStartup(boolean reportExisting)(Code) Whether or not an initial scan will report all files as being added. Parameters:   reportExisting - if true, all files found on initial scan will be reported as being added, otherwise not setScanDir public void setScanDir(File dir)(Code) Set the location of the directory to scan. Parameters:   dir - setScanInterval public void setScanInterval(int scanInterval)(Code) Set the scan interval Parameters:   scanInterval - pause between scans in seconds start public void start()(Code) Start the scanning action. stop public void stop()(Code) Stop the scanning. 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)