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Java Source Code / Java Documentation » Scripting » rhino » org.mozilla.javascript 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.mozilla.javascript.Kit

Kit
public class Kit (Code)
Collection of utilities




Method Summary
public static  ObjectaddListener(Object bag, Object listener)
     Add listener to bag of listeners. The function does not modify bag and return a new collection containing listener and all listeners from bag. Bag without listeners always represented as the null value.

Usage example:

 private volatile Object changeListeners;
 public void addMyListener(PropertyChangeListener l)
 {
 synchronized (this) {
 changeListeners = Kit.addListener(changeListeners, l);
 }
 }
 public void removeTextListener(PropertyChangeListener l)
 {
 synchronized (this) {
 changeListeners = Kit.removeListener(changeListeners, l);
 }
 }
 public void fireChangeEvent(Object oldValue, Object newValue)
 {
 // Get immune local copy
 Object listeners = changeListeners;
 if (listeners != null) {
 PropertyChangeEvent e = new PropertyChangeEvent(
 this, "someProperty" oldValue, newValue);
 for (int i = 0; ; ++i) {
 Object l = Kit.getListener(listeners, i);
 if (l == null)
 break;
 ((PropertyChangeListener)l).propertyChange(e);
 }
 }
 }
 

Parameters:
  listener - Listener to add to bag
Parameters:
  bag - Current collection of listeners.
public static  ClassclassOrNull(String className)
    
public static  ClassclassOrNull(ClassLoader loader, String className)
    
public static  RuntimeExceptioncodeBug()
     Throws RuntimeException to indicate failed assertion.
public static  ObjectgetListener(Object bag, int index)
     Get listener at index position in bag or null if index equals to number of listeners in bag.

For usage example, see Kit.addListener(Object bag,Object listener) .
Parameters:
  bag - Current collection of listeners.
Parameters:
  index - Index of the listener to access.

public static  RuntimeExceptioninitCause(RuntimeException ex, Throwable cause)
     If initCause methods exists in Throwable, call ex.initCause(cause) or otherwise do nothing.
static  ObjectinitHash(Hashtable h, Object key, Object initialValue)
    
public static  ObjectmakeHashKeyFromPair(Object key1, Object key2)
    
static  ObjectnewInstanceOrNull(Class cl)
    
public static  StringreadReader(Reader r)
    
public static  byte[]readStream(InputStream is, int initialBufferCapacity)
    
public static  ObjectremoveListener(Object bag, Object listener)
     Remove listener from bag of listeners. The function does not modify bag and return a new collection containing all listeners from bag except listener. If bag does not contain listener, the function returns bag.

For usage example, see Kit.addListener(Object bag,Object listener) .
Parameters:
  listener - Listener to remove from bag
Parameters:
  bag - Current collection of listeners.

public static  String[]semicolonSplit(String s)
     Split string into array of strings using semicolon as string terminator (; after the last string is required).
static  booleantestIfCanLoadRhinoClasses(ClassLoader loader)
     Check that testClass is accesible from the given loader.
public static  intxDigitToInt(int c, int accumulator)
     If character c is a hexadecimal digit, return accumulator * 16 plus corresponding number.



Method Detail
addListener
public static Object addListener(Object bag, Object listener)(Code)
Add listener to bag of listeners. The function does not modify bag and return a new collection containing listener and all listeners from bag. Bag without listeners always represented as the null value.

Usage example:

 private volatile Object changeListeners;
 public void addMyListener(PropertyChangeListener l)
 {
 synchronized (this) {
 changeListeners = Kit.addListener(changeListeners, l);
 }
 }
 public void removeTextListener(PropertyChangeListener l)
 {
 synchronized (this) {
 changeListeners = Kit.removeListener(changeListeners, l);
 }
 }
 public void fireChangeEvent(Object oldValue, Object newValue)
 {
 // Get immune local copy
 Object listeners = changeListeners;
 if (listeners != null) {
 PropertyChangeEvent e = new PropertyChangeEvent(
 this, "someProperty" oldValue, newValue);
 for (int i = 0; ; ++i) {
 Object l = Kit.getListener(listeners, i);
 if (l == null)
 break;
 ((PropertyChangeListener)l).propertyChange(e);
 }
 }
 }
 

Parameters:
  listener - Listener to add to bag
Parameters:
  bag - Current collection of listeners. A new bag containing all listeners from bag andlistener.
See Also:   Kit.removeListener(Object bag,Object listener)
See Also:   Kit.getListener(Object bag,int index)



classOrNull
public static Class classOrNull(String className)(Code)



classOrNull
public static Class classOrNull(ClassLoader loader, String className)(Code)



codeBug
public static RuntimeException codeBug() throws RuntimeException(Code)
Throws RuntimeException to indicate failed assertion. The function never returns and its return type is RuntimeException only to be able to write throw Kit.codeBug() if plain Kit.codeBug() triggers unreachable code error.



getListener
public static Object getListener(Object bag, int index)(Code)
Get listener at index position in bag or null if index equals to number of listeners in bag.

For usage example, see Kit.addListener(Object bag,Object listener) .
Parameters:
  bag - Current collection of listeners.
Parameters:
  index - Index of the listener to access. Listener at the given index or null.
See Also:   Kit.addListener(Object bag,Object listener)
See Also:   Kit.removeListener(Object bag,Object listener)




initCause
public static RuntimeException initCause(RuntimeException ex, Throwable cause)(Code)
If initCause methods exists in Throwable, call ex.initCause(cause) or otherwise do nothing. The ex argument.



initHash
static Object initHash(Hashtable h, Object key, Object initialValue)(Code)



makeHashKeyFromPair
public static Object makeHashKeyFromPair(Object key1, Object key2)(Code)



newInstanceOrNull
static Object newInstanceOrNull(Class cl)(Code)



readReader
public static String readReader(Reader r) throws IOException(Code)



readStream
public static byte[] readStream(InputStream is, int initialBufferCapacity) throws IOException(Code)



removeListener
public static Object removeListener(Object bag, Object listener)(Code)
Remove listener from bag of listeners. The function does not modify bag and return a new collection containing all listeners from bag except listener. If bag does not contain listener, the function returns bag.

For usage example, see Kit.addListener(Object bag,Object listener) .
Parameters:
  listener - Listener to remove from bag
Parameters:
  bag - Current collection of listeners. A new bag containing all listeners from bag exceptlistener.
See Also:   Kit.addListener(Object bag,Object listener)
See Also:   Kit.getListener(Object bag,int index)




semicolonSplit
public static String[] semicolonSplit(String s)(Code)
Split string into array of strings using semicolon as string terminator (; after the last string is required).



testIfCanLoadRhinoClasses
static boolean testIfCanLoadRhinoClasses(ClassLoader loader)(Code)
Check that testClass is accesible from the given loader.



xDigitToInt
public static int xDigitToInt(int c, int accumulator)(Code)
If character c is a hexadecimal digit, return accumulator * 16 plus corresponding number. Otherise return -1.



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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