本文整理汇总了Java中java.beans.PropertyChangeSupport.getPropertyChangeListeners方法的典型用法代码示例。如果您正苦于以下问题:Java PropertyChangeSupport.getPropertyChangeListeners方法的具体用法?Java PropertyChangeSupport.getPropertyChangeListeners怎么用?Java PropertyChangeSupport.getPropertyChangeListeners使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类java.beans.PropertyChangeSupport
的用法示例。
在下文中一共展示了PropertyChangeSupport.getPropertyChangeListeners方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: removePropertyChangeListener
import java.beans.PropertyChangeSupport; //导入方法依赖的package包/类
/**
* 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; //导入方法依赖的package包/类
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; //导入方法依赖的package包/类
@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; //导入方法依赖的package包/类
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; //导入方法依赖的package包/类
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);
}