Attachment 14171 Details for Bug 72583 – File in which this error is triggered

File in which this error is triggered

TemplateCollection.java (text/plain), 3.24 KB, created by Johan Walles

on 2004-08-25 09:06:34 EDT

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Creator: Johan Walles

Created: 2004-08-25 09:06:34 EDT

Size: 3.24 KB

patch

obsolete

>package com.jrockit.console.methodprofiler;
>
>import java.util.*;
>
>import javax.swing.event.*;
>
>/**
> * Provides a listener interface for notifications about when 
> * a template has been added, removed or when a certain template
> * has had its members changed.
> * 
> * @author Marcus Hirt
> */
>public class TemplateCollection implements ChangeListener
>{
>	private Map m_map = new HashMap();
>
>	/** The listeners waiting for model changes. */
>	private EventListenerList m_templateListenerList = new EventListenerList();
>
>	/**
>	 * Constructor for MethodProfilerTemplateCollection.
>	 */
>	public TemplateCollection()
>	{
>		super();
>	}
>
>	/**
>	 * Adds a template change listeners to listen on this collection.
>	 * The listener will be notified whenever changes to the collection
>	 * is made, or whenever a template in the collection has been modified.
>	 * 
>	 * @param l the listener to add.
>	 */
>	public void addTemplateChangeListener(TemplateChangeListener l)
>	{
>		m_templateListenerList.add(l.getClass(), l);
>	}
>
>	/**
>	 * Removes a TemplateChangeListener from this TemplateCollection.
>	 * 
>	 * @param l the listener to remove.
>	 * 
>	 * @see #addTemplateChangeListener(TemplateChangeListener)
>	 */
>	public void removeTemplateChangeListener(TemplateChangeListener l)
>	{
>		m_templateListenerList.add(l.getClass(), l);
>	}
>
>	/**
>	 * Works like the HashMap equivalent. Also fires a state change.
>	 * @param key
>	 * @param value
>	 * @see HashMap#put(java.lang.Object, java.lang.Object)
>	 */
>	public void addTemplate(String name, MethodProfilerTemplate template)
>	{
>		m_map.put(name, template);
>		template.addChangeListener(this);
>		fireTemplateChange(TemplateChangeEvent.TYPE_TEMPLATE_ADDED, name);
>	}
>
>	/**
>	 * Method get.
>	 * @see HashMap#get(Object)
>	 */
>	public Object getTemplate(String name)
>	{
>		return m_map.get(name);
>	}
>
>	/**
>	 * @see HashMap#values()
>	 */
>	public Collection values()
>	{
>		return m_map.values();
>	}
>
>	/**
>	 * Removes a template from this collection.
>	 * 
>	 * @param name the name of the template to remove.
>	 */
>	public void removeTemplate(String name)
>	{
>		m_map.remove(name);
>		fireTemplateChange(TemplateChangeEvent.TYPE_TEMPLATE_REMOVED, name);
>	}
>
>	/**
>	 * @see HashMap#keySet()
>	 */
>	public Collection keySet()
>	{
>		return m_map.keySet();
>	}
>
>	/**
>	 * @see HashMap#containsKey(java.lang.Object)
>	 */
>	public boolean containsKey(Object o)
>	{
>		return m_map.containsKey(o);
>	}
>
>	private void fireTemplateChange(String eventType, String templateName)
>	{
>		Object[] listeners = m_templateListenerList.getListenerList();
>
>		for (int i = listeners.length - 2; i >= 0; i -= 2)
>		{
>			if (listeners[i + 1] instanceof TemplateChangeListener)
>			{
>				TemplateChangeEvent e =
>					new TemplateChangeEvent(eventType, templateName);
>				((TemplateChangeListener) listeners[i + 1]).onTemplateChange(e);
>			}
>		}
>	}
>
>	/**
>	 * @see javax.swing.event.ChangeListener#stateChanged(ChangeEvent)
>	 */
>	public void stateChanged(ChangeEvent e)
>	{
>		MethodProfilerTemplate template =
>			(MethodProfilerTemplate) e.getSource();
>		fireTemplateChange(
>			TemplateChangeEvent.TYPE_TEMPLATE_CONTENT_CHANGED,
>			template.getName());
>	}
>
>	/**
>	 * @return boolean true if the collection contains any templates.
>	 */
>	public boolean hasTemplates()
>	{
>		if (values() == null || values().size() <= 0)
>			return false;
>		return true;
>	}
>}

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Attachments on bug 72583: 14171 | 14645