platform/org.eclipse.platform/src-intro/org/eclipse/platform/internal/EclipseRSSViewer.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 2007 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.platform.internal;

 import java.io.IOException;
 import java.io.InputStream;
 import java.io.PrintWriter;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.net.URLEncoder;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Stack;

 import javax.xml.parsers.SAXParser;
 import javax.xml.parsers.SAXParserFactory;

 import org.eclipse.core.runtime.FileLocator;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.swt.custom.BusyIndicator;
 import org.eclipse.swt.graphics.Image;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
 import org.eclipse.ui.forms.events.HyperlinkAdapter;
 import org.eclipse.ui.forms.events.HyperlinkEvent;
 import org.eclipse.ui.forms.widgets.FormText;
 import org.eclipse.ui.forms.widgets.FormToolkit;
 import org.eclipse.ui.forms.widgets.ScrolledForm;
 import org.eclipse.ui.intro.config.IIntroContentProvider;
 import org.eclipse.ui.intro.config.IIntroContentProviderSite;
 import org.eclipse.ui.intro.config.IIntroURL;
 import org.eclipse.ui.intro.config.IntroURLFactory;
 import org.osgi.framework.Bundle;
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;
 import org.xml.sax.helpers.DefaultHandler;

 public class EclipseRSSViewer implements IIntroContentProvider {
 	private static final String NEWS_URL = "http://www.eclipse.org/home/eclipsenews.rss"; //$NON-NLS-1$
 	private static final String INTRO_SHOW_IN_BROWSER = "http://org.eclipse.ui.intro/openBrowser?url="; //$NON-NLS-1$
 	private static final int MAX_NEWS_ITEMS = 5;
 	private static final String HREF_BULLET = "bullet"; //$NON-NLS-1$

 	private IIntroContentProviderSite site;

 	private boolean disposed;

 	private String id;

 	private FormToolkit toolkit;

 	private Composite parent;

 	private Image bulletImage;

 	private List items;

 	private FormText formText;

 	static class NewsItem {
 		String label;

 		String url;

 		void setLabel(String label) {
 			this.label = label;
 		}

 		void setUrl(String url) {
 			this.url = url;
 		}
 	}

 	class NewsFeed implements Runnable {
 		public void run() {
 			// important: don't do the work if the
 			// part gets disposed in the process
 			if (disposed)
 				return;
 			createNewsItems();
 			if (disposed)
 				return;
 			PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
 				public void run() {
 					if (parent != null) {
 						// we must recreate the content
 						// for SWT because we will use
 						// a gentle incremental reflow.
 						// HTML reflow will simply reload the page.
 						createContent(id, parent, toolkit);
 						reflow(formText);
 					}
 					site.reflow(EclipseRSSViewer.this, true);
 				}
 			});
 		}
 	}

 	/**
 	 * Handles RSS XML and populates the items list with at most
 	 * MAX_NEWS_ITEMS items.
 	 */
 	private class RSSHandler extends DefaultHandler {

 		private static final String ELEMENT_RSS = "rss"; //$NON-NLS-1$
 		private static final String ELEMENT_CHANNEL = "channel"; //$NON-NLS-1$
 		private static final String ELEMENT_ITEM = "item"; //$NON-NLS-1$
 		private static final String ELEMENT_TITLE = "title"; //$NON-NLS-1$
 		private static final String ELEMENT_LINK = "link"; //$NON-NLS-1$

 		private Stack stack = new Stack();
 		private StringBuffer buf;
 		private NewsItem item;

 		public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
 			stack.push(qName);
 			// it's a title/link in an item
 			if ((ELEMENT_TITLE.equals(qName) || ELEMENT_LINK.equals(qName))
 					&& (item != null)) {
 				// prepare the buffer; we're expecting chars
 				buf = new StringBuffer();
 			}
 			// it's an item in a channel in rss
 			else if (ELEMENT_ITEM.equals(qName)
 					&& (ELEMENT_CHANNEL.equals(stack.get(1)))
 					&& (ELEMENT_RSS.equals(stack.get(0)))
 					&& (stack.size() == 3)
 					&& (items.size() < MAX_NEWS_ITEMS)) {
 				// prepare the item
 				item = new NewsItem();
 			}
 		}

 		public void endElement(String uri, String localName, String qName) throws SAXException {
 			stack.pop();
 			if (item != null) {
 				if (buf != null) {
 					if (ELEMENT_TITLE.equals(qName)) {
 						item.setLabel(buf.toString().trim());
 						buf = null;
 					}
 					else if (ELEMENT_LINK.equals(qName)) {
 						item.setUrl(buf.toString().trim());
 						buf = null;
 					}
 				}
 				else {
 					if (ELEMENT_ITEM.equals(qName)) {
 						// ensure we have a valid item
 						if (item.label != null && item.label.length() > 0 &&
 								item.url != null && item.url.length() > 0) {
 							items.add(item);
 						}
 						item = null;
 					}
 				}
 			}
 		}

 		public void characters(char[] ch, int start, int length) throws SAXException {
 			// were we expecting chars?
 			if (buf != null) {
 				buf.append(new String(ch, start, length));
 			}
 		}
 	}


 	public void init(IIntroContentProviderSite site) {
 		this.site = site;
 		Thread newsWorker = new Thread(new NewsFeed());
 		newsWorker.start();
 	}

 	public void createContent(String id, PrintWriter out) {
 		if (disposed)
 			return;
 		this.id = id;
 		if (items == null) {
 			out.print("<p class=\"status-text\">"); //$NON-NLS-1$
 			out.print(Messages.getString("EclipseRSSViewer_loading")); //$NON-NLS-1$
 			out.println("</p>"); //$NON-NLS-1$
 		} else {
 			if (items.size() > 0) {
 				out.println("<ul id=\"eclipse-news\">"); //$NON-NLS-1$
 				for (int i = 0; i < items.size(); i++) {
 					NewsItem item = (NewsItem) items.get(i);
 					out.print("<li>"); //$NON-NLS-1$
 					out.print("<a class=\"topicList\" href=\""); //$NON-NLS-1$
 					out.print(createExternalURL(item.url));
 					out.print("\">"); //$NON-NLS-1$
 					out.print(item.label);
 					out.print("</a>"); //$NON-NLS-1$
 					out.println("</li>"); //$NON-NLS-1$
 				}
 			} else {
 				out.print("<p class=\"status-text\">"); //$NON-NLS-1$
 				out.print(Messages.getString("EclipseRSSViewer_noNews")); //$NON-NLS-1$
 				out.println("</p>"); //$NON-NLS-1$
 			}
 			out.println("</ul>"); //$NON-NLS-1$
 		}
 	}

 	public void createContent(String id, Composite parent, FormToolkit toolkit) {
 		if (disposed)
 			return;
 		if (formText == null) {
 			// a one-time pass
 			formText = toolkit.createFormText(parent, true);
 			formText.addHyperlinkListener(new HyperlinkAdapter() {
 				public void linkActivated(HyperlinkEvent e) {
 					doNavigate((String) e.getHref());
 				}
 			});
 			bulletImage = createImage(new Path("images/topiclabel/arrow.gif")); //$NON-NLS-1$
 			if (bulletImage!=null)
 				formText.setImage(HREF_BULLET, bulletImage);
 			this.parent = parent;
 			this.toolkit = toolkit;
 			this.id = id;
 		}
 		StringBuffer buffer = new StringBuffer();
 		buffer.append("<form>"); //$NON-NLS-1$
 		if (items == null) {
 			buffer.append("<p>"); //$NON-NLS-1$
 			buffer.append(Messages.getString("EclipseRSSViewer_loading")); //$NON-NLS-1$
 			buffer.append("</p>"); //$NON-NLS-1$
 		} else {
 			if (items.size() > 0) {
 				for (int i = 0; i < items.size(); i++) {
 					NewsItem item = (NewsItem) items.get(i);
 					buffer.append("<li style=\"image\" value=\""); //$NON-NLS-1$
 					buffer.append(HREF_BULLET);
 					buffer.append("\">"); //$NON-NLS-1$
 					buffer.append("<a href=\""); //$NON-NLS-1$
 					buffer.append(item.url);
 					buffer.append("\">"); //$NON-NLS-1$
 					buffer.append(item.label);
 					buffer.append("</a>"); //$NON-NLS-1$
 					buffer.append("</li>"); //$NON-NLS-1$
 				}
 			} else {
 				buffer.append("<p>"); //$NON-NLS-1$
 				buffer.append(Messages.getString("EclipseRSSViewer_noNews")); //$NON-NLS-1$
 				buffer.append("</p>"); //$NON-NLS-1$
 			}
 		}
 		buffer.append("</form>"); //$NON-NLS-1$
 		formText.setText(buffer.toString(), true, false);
 	}

 	private String createExternalURL(String url) {
 		//TODO don't know which encoding to pass here - revisit
 		return INTRO_SHOW_IN_BROWSER+
 							URLEncoder.encode(url);
 	}

 	private Image createImage(IPath path) {
 		Bundle bundle = Platform.getBundle("org.eclipse.platform"); //$NON-NLS-1$
 		URL url = FileLocator.find(bundle, path, null);
 		try {
 			url = FileLocator.toFileURL(url);
 			ImageDescriptor desc = ImageDescriptor.createFromURL(url);
 			return desc.createImage();
 		} catch (IOException e) {
 			return null;
 		}
 	}

 	private void doNavigate(final String url) {
 		BusyIndicator.showWhile(PlatformUI.getWorkbench().getDisplay(),
 				new Runnable() {
 					public void run() {
 						IIntroURL introUrl = IntroURLFactory
 								.createIntroURL(url);
 						if (introUrl != null) {
 							// execute the action embedded in the IntroURL
 							introUrl.execute();
 							return;
 						}
 						// delegate to the browser support
 						openBrowser(url);
 					}
 				});
 	}

 	private void openBrowser(String href) {
 		try {
 			URL url = new URL(href);
 			IWorkbenchBrowserSupport support = PlatformUI.getWorkbench()
 					.getBrowserSupport();
 			support.getExternalBrowser().openURL(url);
 		} catch (PartInitException e) {
 		} catch (MalformedURLException e) {
 		}
 	}

 	private void createNewsItems() {
 		items = Collections.synchronizedList(new ArrayList());
 		InputStream in = null;
 		try {
 			URL url = new URL(NEWS_URL);
 			in = url.openStream();
 			SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
 			parser.parse(in, new RSSHandler());
 		}
 		catch (Exception e) {
 			// if anything goes wrong, fail silently; it will show a
 			// "no news available" message.
 		}
 		finally {
 			try {
 				if (in != null) {
 					in.close();
 				}
 			}
 			catch (IOException e) {
 				// nothing we can do here
 			}
 		}
 	}

 	/*
 	 * This method is copied from Section and seems useful in general. Perhaps
 	 * we should move it into content provider site, something like
 	 * 'reflow(Control startingControl)'
 	 */

 	private void reflow(Control initiator) {
 		Control c = initiator;
 		while (c != null) {
 			c.setRedraw(false);
 			c = c.getParent();
 			if (c instanceof ScrolledForm) {
 				break;
 			}
 		}
 		c = initiator;
 		while (c != null) {
 			if (c instanceof Composite)
 				((Composite) c).layout(true);
 			c = c.getParent();
 			if (c instanceof ScrolledForm) {
 				((ScrolledForm) c).reflow(true);
 				break;
 			}
 		}
 		c = initiator;
 		while (c != null) {
 			c.setRedraw(true);
 			c = c.getParent();
 			if (c instanceof ScrolledForm) {
 				break;
 			}
 		}
 	}

 	public void dispose() {
 		if (bulletImage != null) {
 			bulletImage.dispose();
 			bulletImage = null;
 		}
 		disposed = true;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2006, 2007 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.platform.internal;

	import java.io.IOException;
	import java.io.InputStream;
	import java.io.PrintWriter;
	import java.net.MalformedURLException;
	import java.net.URL;
	import java.net.URLEncoder;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.List;
	import java.util.Stack;

	import javax.xml.parsers.SAXParser;
	import javax.xml.parsers.SAXParserFactory;

	import org.eclipse.core.runtime.FileLocator;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.jface.resource.ImageDescriptor;
	import org.eclipse.swt.custom.BusyIndicator;
	import org.eclipse.swt.graphics.Image;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.ui.PartInitException;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.browser.IWorkbenchBrowserSupport;
	import org.eclipse.ui.forms.events.HyperlinkAdapter;
	import org.eclipse.ui.forms.events.HyperlinkEvent;
	import org.eclipse.ui.forms.widgets.FormText;
	import org.eclipse.ui.forms.widgets.FormToolkit;
	import org.eclipse.ui.forms.widgets.ScrolledForm;
	import org.eclipse.ui.intro.config.IIntroContentProvider;
	import org.eclipse.ui.intro.config.IIntroContentProviderSite;
	import org.eclipse.ui.intro.config.IIntroURL;
	import org.eclipse.ui.intro.config.IntroURLFactory;
	import org.osgi.framework.Bundle;
	import org.xml.sax.Attributes;
	import org.xml.sax.SAXException;
	import org.xml.sax.helpers.DefaultHandler;

	public class EclipseRSSViewer implements IIntroContentProvider {
	private static final String NEWS_URL = "http://www.eclipse.org/home/eclipsenews.rss"; //$NON-NLS-1$
	private static final String INTRO_SHOW_IN_BROWSER = "http://org.eclipse.ui.intro/openBrowser?url="; //$NON-NLS-1$
	private static final int MAX_NEWS_ITEMS = 5;
	private static final String HREF_BULLET = "bullet"; //$NON-NLS-1$

	private IIntroContentProviderSite site;

	private boolean disposed;

	private String id;

	private FormToolkit toolkit;

	private Composite parent;

	private Image bulletImage;

	private List items;

	private FormText formText;

	static class NewsItem {
	String label;

	String url;

	void setLabel(String label) {
	this.label = label;
	}

	void setUrl(String url) {
	this.url = url;
	}
	}

	class NewsFeed implements Runnable {
	public void run() {
	// important: don't do the work if the
	// part gets disposed in the process
	if (disposed)
	return;
	createNewsItems();
	if (disposed)
	return;
	PlatformUI.getWorkbench().getDisplay().syncExec(new Runnable() {
	public void run() {
	if (parent != null) {
	// we must recreate the content
	// for SWT because we will use
	// a gentle incremental reflow.
	// HTML reflow will simply reload the page.
	createContent(id, parent, toolkit);
	reflow(formText);
	}
	site.reflow(EclipseRSSViewer.this, true);
	}
	});
	}
	}

	/**
	* Handles RSS XML and populates the items list with at most
	* MAX_NEWS_ITEMS items.
	*/
	private class RSSHandler extends DefaultHandler {

	private static final String ELEMENT_RSS = "rss"; //$NON-NLS-1$
	private static final String ELEMENT_CHANNEL = "channel"; //$NON-NLS-1$
	private static final String ELEMENT_ITEM = "item"; //$NON-NLS-1$
	private static final String ELEMENT_TITLE = "title"; //$NON-NLS-1$
	private static final String ELEMENT_LINK = "link"; //$NON-NLS-1$

	private Stack stack = new Stack();
	private StringBuffer buf;
	private NewsItem item;

	public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
	stack.push(qName);
	// it's a title/link in an item
	if ((ELEMENT_TITLE.equals(qName) \|\| ELEMENT_LINK.equals(qName))
	&& (item != null)) {
	// prepare the buffer; we're expecting chars
	buf = new StringBuffer();
	}
	// it's an item in a channel in rss
	else if (ELEMENT_ITEM.equals(qName)
	&& (ELEMENT_CHANNEL.equals(stack.get(1)))
	&& (ELEMENT_RSS.equals(stack.get(0)))
	&& (stack.size() == 3)
	&& (items.size() < MAX_NEWS_ITEMS)) {
	// prepare the item
	item = new NewsItem();
	}
	}

	public void endElement(String uri, String localName, String qName) throws SAXException {
	stack.pop();
	if (item != null) {
	if (buf != null) {
	if (ELEMENT_TITLE.equals(qName)) {
	item.setLabel(buf.toString().trim());
	buf = null;
	}
	else if (ELEMENT_LINK.equals(qName)) {
	item.setUrl(buf.toString().trim());
	buf = null;
	}
	}
	else {
	if (ELEMENT_ITEM.equals(qName)) {
	// ensure we have a valid item
	if (item.label != null && item.label.length() > 0 &&
	item.url != null && item.url.length() > 0) {
	items.add(item);
	}
	item = null;
	}
	}
	}
	}

	public void characters(char[] ch, int start, int length) throws SAXException {
	// were we expecting chars?
	if (buf != null) {
	buf.append(new String(ch, start, length));
	}
	}
	}


	public void init(IIntroContentProviderSite site) {
	this.site = site;
	Thread newsWorker = new Thread(new NewsFeed());
	newsWorker.start();
	}

	public void createContent(String id, PrintWriter out) {
	if (disposed)
	return;
	this.id = id;
	if (items == null) {
	out.print("<p class=\"status-text\">"); //$NON-NLS-1$
	out.print(Messages.getString("EclipseRSSViewer_loading")); //$NON-NLS-1$
	out.println("</p>"); //$NON-NLS-1$
	} else {
	if (items.size() > 0) {
	out.println("<ul id=\"eclipse-news\">"); //$NON-NLS-1$
	for (int i = 0; i < items.size(); i++) {
	NewsItem item = (NewsItem) items.get(i);
	out.print("<li>"); //$NON-NLS-1$
	out.print("<a class=\"topicList\" href=\""); //$NON-NLS-1$
	out.print(createExternalURL(item.url));
	out.print("\">"); //$NON-NLS-1$
	out.print(item.label);
	out.print("</a>"); //$NON-NLS-1$
	out.println("</li>"); //$NON-NLS-1$
	}
	} else {
	out.print("<p class=\"status-text\">"); //$NON-NLS-1$
	out.print(Messages.getString("EclipseRSSViewer_noNews")); //$NON-NLS-1$
	out.println("</p>"); //$NON-NLS-1$
	}
	out.println("</ul>"); //$NON-NLS-1$
	}
	}

	public void createContent(String id, Composite parent, FormToolkit toolkit) {
	if (disposed)
	return;
	if (formText == null) {
	// a one-time pass
	formText = toolkit.createFormText(parent, true);
	formText.addHyperlinkListener(new HyperlinkAdapter() {
	public void linkActivated(HyperlinkEvent e) {
	doNavigate((String) e.getHref());
	}
	});
	bulletImage = createImage(new Path("images/topiclabel/arrow.gif")); //$NON-NLS-1$
	if (bulletImage!=null)
	formText.setImage(HREF_BULLET, bulletImage);
	this.parent = parent;
	this.toolkit = toolkit;
	this.id = id;
	}
	StringBuffer buffer = new StringBuffer();
	buffer.append("<form>"); //$NON-NLS-1$
	if (items == null) {
	buffer.append("<p>"); //$NON-NLS-1$
	buffer.append(Messages.getString("EclipseRSSViewer_loading")); //$NON-NLS-1$
	buffer.append("</p>"); //$NON-NLS-1$
	} else {
	if (items.size() > 0) {
	for (int i = 0; i < items.size(); i++) {
	NewsItem item = (NewsItem) items.get(i);
	buffer.append("<li style=\"image\" value=\""); //$NON-NLS-1$
	buffer.append(HREF_BULLET);
	buffer.append("\">"); //$NON-NLS-1$
	buffer.append("<a href=\""); //$NON-NLS-1$
	buffer.append(item.url);
	buffer.append("\">"); //$NON-NLS-1$
	buffer.append(item.label);
	buffer.append("</a>"); //$NON-NLS-1$
	buffer.append("</li>"); //$NON-NLS-1$
	}
	} else {
	buffer.append("<p>"); //$NON-NLS-1$
	buffer.append(Messages.getString("EclipseRSSViewer_noNews")); //$NON-NLS-1$
	buffer.append("</p>"); //$NON-NLS-1$
	}
	}
	buffer.append("</form>"); //$NON-NLS-1$
	formText.setText(buffer.toString(), true, false);
	}

	private String createExternalURL(String url) {
	//TODO don't know which encoding to pass here - revisit
	return INTRO_SHOW_IN_BROWSER+
	URLEncoder.encode(url);
	}

	private Image createImage(IPath path) {
	Bundle bundle = Platform.getBundle("org.eclipse.platform"); //$NON-NLS-1$
	URL url = FileLocator.find(bundle, path, null);
	try {
	url = FileLocator.toFileURL(url);
	ImageDescriptor desc = ImageDescriptor.createFromURL(url);
	return desc.createImage();
	} catch (IOException e) {
	return null;
	}
	}

	private void doNavigate(final String url) {
	BusyIndicator.showWhile(PlatformUI.getWorkbench().getDisplay(),
	new Runnable() {
	public void run() {
	IIntroURL introUrl = IntroURLFactory
	.createIntroURL(url);
	if (introUrl != null) {
	// execute the action embedded in the IntroURL
	introUrl.execute();
	return;
	}
	// delegate to the browser support
	openBrowser(url);
	}
	});
	}

	private void openBrowser(String href) {
	try {
	URL url = new URL(href);
	IWorkbenchBrowserSupport support = PlatformUI.getWorkbench()
	.getBrowserSupport();
	support.getExternalBrowser().openURL(url);
	} catch (PartInitException e) {
	} catch (MalformedURLException e) {
	}
	}

	private void createNewsItems() {
	items = Collections.synchronizedList(new ArrayList());
	InputStream in = null;
	try {
	URL url = new URL(NEWS_URL);
	in = url.openStream();
	SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
	parser.parse(in, new RSSHandler());
	}
	catch (Exception e) {
	// if anything goes wrong, fail silently; it will show a
	// "no news available" message.
	}
	finally {
	try {
	if (in != null) {
	in.close();
	}
	}
	catch (IOException e) {
	// nothing we can do here
	}
	}
	}

	/*
	* This method is copied from Section and seems useful in general. Perhaps
	* we should move it into content provider site, something like
	* 'reflow(Control startingControl)'
	*/

	private void reflow(Control initiator) {
	Control c = initiator;
	while (c != null) {
	c.setRedraw(false);
	c = c.getParent();
	if (c instanceof ScrolledForm) {
	break;
	}
	}
	c = initiator;
	while (c != null) {
	if (c instanceof Composite)
	((Composite) c).layout(true);
	c = c.getParent();
	if (c instanceof ScrolledForm) {
	((ScrolledForm) c).reflow(true);
	break;
	}
	}
	c = initiator;
	while (c != null) {
	c.setRedraw(true);
	c = c.getParent();
	if (c instanceof ScrolledForm) {
	break;
	}
	}
	}

	public void dispose() {
	if (bulletImage != null) {
	bulletImage.dispose();
	bulletImage = null;
	}
	disposed = true;
	}
	}