本文整理匯總了Java中java.beans.PropertyChangeSupport.getPropertyChangeListeners方法的典型用法代碼示例。如果您正苦於以下問題:Java PropertyChangeSupport.getPropertyChangeListeners方法的具體用法?Java PropertyChangeSupport.getPropertyChangeListeners怎麽用?Java PropertyChangeSupport.getPropertyChangeListeners使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.beans.PropertyChangeSupport
的用法示例。
在下文中一共展示了PropertyChangeSupport.getPropertyChangeListeners方法的5個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: removePropertyChangeListener
import java.beans.PropertyChangeSupport; //導入方法依賴的package包/類
/**
* Remove a PropertyChangeListener from this context dispatcher.
* @param l The PropertyChangeListener
*/
public void removePropertyChangeListener(PropertyChangeListener l) {
pcs.removePropertyChangeListener(l);
// Also remove the listener from all MIME types
synchronized (pcsByMIMEType) {
Set<String> MIMETypes = new HashSet(pcsByMIMEType.keySet());
for (String MIMEType : MIMETypes) {
PropertyChangeSupport _pcs = pcsByMIMEType.get(MIMEType);
_pcs.removePropertyChangeListener(l);
if (_pcs.getPropertyChangeListeners().length == 0) {
pcsByMIMEType.remove(MIMEType);
}
}
}
}
示例2: listListeners
import java.beans.PropertyChangeSupport; //導入方法依賴的package包/類
public static String listListeners(PropertyChangeSupport support){
if(support==null) return "null support";
StringBuilder sb=new StringBuilder();
for(PropertyChangeListener l:support.getPropertyChangeListeners()){
sb.append(l==null?"null":l.toString()+"\n");
}
return sb.toString();
}
示例3: getPropertyChangeListeners
import java.beans.PropertyChangeSupport; //導入方法依賴的package包/類
@Override
public synchronized PropertyChangeListener[] getPropertyChangeListeners()
{
PropertyChangeSupport pcs = (PropertyChangeSupport)
AppContext.getAppContext().get(PROP_CHANGE_SUPPORT_KEY);
if (null != pcs) {
return pcs.getPropertyChangeListeners();
} else {
return new PropertyChangeListener[0];
}
}
示例4: check
import java.beans.PropertyChangeSupport; //導入方法依賴的package包/類
private static void check(PropertyChangeSupport pcs) {
PropertyChangeListener[] namedListeners = pcs.getPropertyChangeListeners(NAME);
check(namedListeners, 1);
check(namedListeners[0], 1);
PropertyChangeListener[] allListeners = pcs.getPropertyChangeListeners();
check(allListeners, 2);
check(allListeners[0], 0);
check(allListeners[1], 1, NAME);
}
示例5: main
import java.beans.PropertyChangeSupport; //導入方法依賴的package包/類
public static void main(String[] args) {
PropertyChangeSupport pcs = new PropertyChangeSupport(TestListeners.class);
pcs.addPropertyChangeListener(new TestListeners(0));
pcs.addPropertyChangeListener(NAME, new TestListeners(2));
pcs.addPropertyChangeListener(new TestListeners(1));
pcs.addPropertyChangeListener(NAME, new PropertyChangeListenerProxy(NAME, new TestListeners(3)));
current = 0;
pcs.firePropertyChange(NAME, 0, 1);
if (current != 4)
throw new Error("Expected 4 listeners, but called " + current);
current = 0;
pcs.firePropertyChange(NONE, 1, 0);
if (current != 2)
throw new Error("Expected 2 listeners, but called " + current);
PropertyChangeListener[] all = pcs.getPropertyChangeListeners();
if (all.length != 4)
throw new Error("Expected 4 listeners, but contained " + all.length);
PropertyChangeListener[] named = pcs.getPropertyChangeListeners(NAME);
if (named.length != 2)
throw new Error("Expected 2 named listeners, but contained " + named.length);
PropertyChangeListener[] other = pcs.getPropertyChangeListeners(NONE);
if (other.length != 0)
throw new Error("Expected 0 other listeners, but contained " + other.length);
pcs.removePropertyChangeListener(new TestListeners(0));
pcs.removePropertyChangeListener(new TestListeners(1));
pcs.removePropertyChangeListener(NAME, new TestListeners(2));
pcs.removePropertyChangeListener(NAME, new PropertyChangeListenerProxy(NAME, new TestListeners(3)));
all = pcs.getPropertyChangeListeners();
if (all.length != 0)
throw new Error("Expected 4 listeners, but contained " + all.length);
named = pcs.getPropertyChangeListeners(NAME);
if (named.length != 0)
throw new Error("Expected 2 named listeners, but contained " + named.length);
other = pcs.getPropertyChangeListeners(NONE);
if (other.length != 0)
throw new Error("Expected 0 other listeners, but contained " + other.length);
}