/*
* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2012, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.tutorials.examples;
import org.locationtech.udig.core.internal.ExtensionPointProcessor;
import org.locationtech.udig.core.internal.ExtensionPointUtil;
import org.locationtech.udig.project.ui.tool.ModalTool;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.IExtensionRegistry;
import org.eclipse.core.runtime.ILog;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
/**
* The eclipse Platform is where all the magic happens.
* <p>
*
* @author Jody Garnett
* @since 1.2.0
*/
public class PlatformExample {
void processingExtensionPointByHand() {
String xpid = "org.locationtech.udig.project.ui.tool";
IExtensionRegistry registry = Platform.getExtensionRegistry();
IExtensionPoint extensionPoint = registry.getExtensionPoint(xpid);
if (extensionPoint == null) {
throw new NullPointerException("Could not find extensionPoint:" + xpid);
}
for( IExtension extension : extensionPoint.getExtensions() ) {
for( IConfigurationElement element : extension.getConfigurationElements() ) {
String name = element.getName();
System.out.println(name);
if ("modalTool".equals(name)) {
try {
ModalTool tool = (ModalTool) element.createExecutableExtension("class");
System.out.println(tool);
} catch (CoreException e) {
// Perhaps an error in the constructor?
String message = "Could not create Modal tool "
+ element.getAttribute("class");
Status status = new Status(IStatus.ERROR, extension.getContributor()
.getName(), message, e);
Activator.getDefault().getLog().log(status);
}
}
}
}
}
@SuppressWarnings("deprecation")
void processingExtensionPointUsingUtilityClassOld() {
String xpid = "org.locationtech.udig.project.ui.tool";
ExtensionPointUtil.process(xpid, new ExtensionPointProcessor(){
public void process( IExtension extension, IConfigurationElement element )
throws Exception {
String name = element.getName();
System.out.println(name);
if ("modalTool".equals(name)) {
ModalTool tool = (ModalTool) element.createExecutableExtension("class");
System.out.println(tool);
}
}
});
}
void processingExtensionPointUsingUtilityClass() {
String xpid = "org.locationtech.udig.project.ui.tool";
ExtensionPointUtil.process(Activator.getDefault(), xpid, new ExtensionPointProcessor(){
public void process( IExtension extension, IConfigurationElement element )
throws Exception {
String name = element.getName();
System.out.println(name);
if ("modalTool".equals(name)) {
ModalTool tool = (ModalTool) element.createExecutableExtension("class");
System.out.println(tool);
}
}
});
}
}