CompositePathResourceBase (NetBeans Java Support APIs) - NetBeans API Javadoc 5.0.0

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org.netbeans.spi.java.classpath.support
Class CompositePathResourceBase

java.lang.Object
  org.netbeans.spi.java.classpath.support.CompositePathResourceBase

All Implemented Interfaces:: PathResourceImplementation

public abstract class CompositePathResourceBase
extends Object
implements PathResourceImplementation

This class provides a base class for PathResource implementations

Since:: org.netbeans.api.java/1 1.4

Field Summary

Fields inherited from interface org.netbeans.spi.java.classpath.PathResourceImplementation

PROP_ROOTS

Constructor Summary

CompositePathResourceBase()


Method Summary

void addPropertyChangeListener(PropertyChangeListener listener)
          Adds property change listener.

protected abstract ClassPathImplementation createContent()
          Creates the array of the roots of PathResource.

protected void firePropertyChange(String propName, Object oldValue, Object newValue)
          Fires PropertyChangeEvent

ClassPathImplementation getContent()
          Returns the ClassPathImplementation representing the content of this PathResourceImplementation

URL[] getRoots()
          Returns the roots of the PathResource

void removePropertyChangeListener(PropertyChangeListener listener)
          Removes PropertyChangeListener

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CompositePathResourceBase

public CompositePathResourceBase()

Method Detail

getRoots

public final URL[] getRoots()

Returns the roots of the PathResource

Specified by:: getRoots in interface PathResourceImplementation

Returns:: URL[]

getContent

public final ClassPathImplementation getContent()

Returns the ClassPathImplementation representing the content of this PathResourceImplementation

Specified by:: getContent in interface PathResourceImplementation

Returns:: ClassPathImplementation

addPropertyChangeListener

public final void addPropertyChangeListener(PropertyChangeListener listener)

Adds property change listener. The listener is notified when the roots of the PathResource are changed.

Specified by:: addPropertyChangeListener in interface PathResourceImplementation

Parameters:: listener -

removePropertyChangeListener

public final void removePropertyChangeListener(PropertyChangeListener listener)

Removes PropertyChangeListener

Specified by:: removePropertyChangeListener in interface PathResourceImplementation

Parameters:: listener -

firePropertyChange

protected final void firePropertyChange(String propName,
                                        Object oldValue,
                                        Object newValue)

Fires PropertyChangeEvent

Parameters:: propName - name of property; oldValue - old property value or null; newValue - new property value or null

createContent

protected abstract ClassPathImplementation createContent()

Creates the array of the roots of PathResource. Most PathResource (directory, jar) have single root, but the PathResource can have more than one root to represent more complex resources like libraries. The returned value is cached.

Returns:: ClassPathImplementation