public static List<ContextComputationStrategy> readContextComputationStrategies() {
List<ContextComputationStrategy> strategies = new ArrayList<ContextComputationStrategy>();
IExtensionPoint extensionPoint =
Platform.getExtensionRegistry().getExtensionPoint(STRATEGIES_EXTENSION_POINT_ID);
IExtension[] extensions = extensionPoint.getExtensions();
for (IExtension extension : extensions) {
IConfigurationElement[] configurationElements = extension.getConfigurationElements();
for (IConfigurationElement element : configurationElements) {
if (element.getName().equals(CONTEXT_COMPUTATION_STRATEGY)) {
try {
ContextComputationStrategy strategy =
(ContextComputationStrategy) element.createExecutableExtension(ATTRIBUTE_CLASS);
strategies.add(strategy);
} catch (Throwable t) {
StatusHandler.log(
new Status(
IStatus.ERROR,
ContextCorePlugin.ID_PLUGIN,
NLS.bind(
"Cannot instantiate {0} from bundle {1}: {2}", //$NON-NLS-1$
new Object[] {
element.getAttribute(ATTRIBUTE_CLASS),
extension.getContributor().getName(),
t.getMessage()
}),
t));
}
}
}
}
return strategies;
}
void processingExtensionPointByHand() {
String xpid = "net.refractions.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);
}
}
}
}
}
private static void dumpExtensions(final IExtension[] extensions, final int depth) {
for (final IExtension extension : extensions) {
System.out.println(
indent(0)
+ "uid="
+ extension.getUniqueIdentifier()
+ " bundle=" //$NON-NLS-1$ //$NON-NLS-2$
+ extension.getContributor().getName()
+ " "); //$NON-NLS-1$
dumpConfigurationElements(1, depth, extension.getConfigurationElements());
}
}
public Image getImage() {
if (pageImage == null) {
String imageName = fConfigElement.getAttribute(ATT_ICON);
if (imageName != null) {
IExtension extension = fConfigElement.getDeclaringExtension();
String plugin = extension.getContributor().getName();
Image image = getImageFromPlugin(plugin, imageName);
pageImage = image;
}
}
return pageImage;
}
private static void getExtensionsPaths(
final Set<String> result, final String path, final IExtension[] extensions) {
for (final IExtension extension : extensions) {
final String subPath =
path
+ "uid="
+ extension.getUniqueIdentifier()
+ " bundle=" //$NON-NLS-1$ //$NON-NLS-2$
+ extension.getContributor().getName()
+ " "; //$NON-NLS-1$
getConfigurationElementsPaths(result, subPath, extension.getConfigurationElements());
}
}
/**
* Process extension.
*
* @param extension the extension
* @return the collection
*/
private Collection<ModelTemplateDescription> processExtension(IExtension extension) {
List<ModelTemplateDescription> templates = new ArrayList<ModelTemplateDescription>();
for (IConfigurationElement configElement : extension.getConfigurationElements()) {
ModelTemplateDescription template =
new ModelTemplateDescription(
configElement.getAttribute(ATTRIBUTE_NAME),
extension.getContributor().getName(),
configElement.getAttribute(ATTRIBUTE_UML_FILE),
configElement.getAttribute(ATTRIBUTE_NOTATION_FILE),
configElement.getAttribute(ATTRIBUTE_DI_FILE));
template.setLanguage(configElement.getAttribute(ATTRIBUTE_LANGUAGE));
templates.add(template);
}
return templates;
}
/**
* return the list of EPackage declared in the given list of bundles.
*
* @param bundles a collection of bundles.
* @return the list of EPackage declarations made through the plugin.xml of those bundles.
*/
protected Collection<EPackageLoadingCallback.EPackageDeclarationSource>
getEPackagesDeclaredInBundles(Collection<String> bundles) {
Collection<EPackageLoadingCallback.EPackageDeclarationSource> result = Lists.newArrayList();
if (EMFPlugin.IS_ECLIPSE_RUNNING) {
final IExtensionRegistry reg = Platform.getExtensionRegistry();
Multimap<String, EPackageDeclaration> contributions = HashMultimap.create();
final IExtensionPoint ep = reg.getExtensionPoint(EMF_GENERATED_PACKAGE_EXTENSIONPOINT);
for (final IExtension ext : ep.getExtensions()) {
final IConfigurationElement[] ce = ext.getConfigurationElements();
String contributorName = ext.getContributor().getName();
if (bundles.contains(contributorName)) {
for (IConfigurationElement element : ce) {
String nsURI = element.getAttribute("uri"); // $NON-NLS-1$
String className = element.getAttribute("class"); // $NON-NLS-1$
String genModel = element.getAttribute("genModel"); // $NON-NLS-1$
if (nsURI != null && className != null) {
contributions.put(
contributorName, new EPackageDeclaration(nsURI, className, genModel));
} else {
DslCommonPlugin.getDefault()
.warning(
MessageFormat.format(
Messages.BundleClassLoading_ignoredEPackageDeclaration, contributorName),
new IllegalArgumentException());
}
}
}
}
for (String contributor : contributions.keySet()) {
Collection<EPackageDeclaration> declarations = contributions.get(contributor);
if (declarations.size() > 0) {
result.add(
new EPackageLoadingCallback.EPackageDeclarationSource(
contributor, declarations, true));
}
}
}
return result;
}
/**
* Acede aos pontos de extensão que implementam a interface SearchProvider e adiciona-os a uma
* lista
*/
private void getProviders() {
IExtensionRegistry reg = Platform.getExtensionRegistry();
IExtensionPoint extensionPoint = reg.getExtensionPoint("pa.iscde.filtersearch.SearchProvider");
IExtension[] extensions = extensionPoint.getExtensions();
SearchProvider p = null;
String iconName = null;
for (IExtension ext : extensions) {
for (IConfigurationElement configurationElement : ext.getConfigurationElements()) {
try {
p = (SearchProvider) configurationElement.createExecutableExtension("SearchProvider");
iconName = configurationElement.getAttribute("iconName");
} catch (CoreException e) {
e.printStackTrace();
}
providerAndImageMap.put(p, new ExternalImage(iconName, ext.getContributor().getName()));
}
}
}
public static IFormFieldExtension[] getFormFieldExtensions() {
ArrayList<IFormFieldExtension> formFieldExtensionList = new ArrayList<IFormFieldExtension>();
IExtensionRegistry reg = Platform.getExtensionRegistry();
IExtensionPoint xp = reg.getExtensionPoint(Activator.PLUGIN_ID, "formfields");
IExtension[] extensions = xp.getExtensions();
for (IExtension extension : extensions) {
IConfigurationElement[] elements = extension.getConfigurationElements();
for (IConfigurationElement element : elements) {
String name = element.getAttribute("name");
boolean active = "true".equalsIgnoreCase(element.getAttribute("active"));
FormFieldExtension formFieldExt = new FormFieldExtension(name);
formFieldExt.setContibuterBundleId(extension.getContributor().getName());
formFieldExt.setActive(active);
formFieldExt.setScope(getScopePriority(element.getAttribute("scope")));
formFieldExt.setModelClassName(element.getAttribute("modelClass"));
formFieldExt.setFactoryClassName(getClassName(element.getChildren("factory"), "class"));
formFieldExt.setUiClassName(getClassName(element.getChildren("uiClass"), "class"));
formFieldExtensionList.add(formFieldExt);
}
}
return formFieldExtensionList.toArray(new IFormFieldExtension[formFieldExtensionList.size()]);
}
UIExtensionManifest(IExtension dataSourceExtn) throws OdaException {
// first process the dataSourceUI element
IConfigurationElement dataSourceElement =
UIManifestExplorer.getNamedElement(dataSourceExtn, DATA_SOURCE_ELEMENT_NAME);
assert (dataSourceElement != null);
m_namespace = dataSourceExtn.getContributor().getName();
// first cache the data source element's attributes
m_dataSourceElementId = dataSourceElement.getAttribute("id"); // $NON-NLS-1$
assert (m_dataSourceElementId != null && m_dataSourceElementId.length() > 0);
// newDataSourceWizard element associated with dataSourceUI
IConfigurationElement[] newWizardElements =
dataSourceElement.getChildren(DATA_SOURCE_WIZARD_ELEMENT_NAME);
if (newWizardElements.length < 1) // expects one element
throw new OdaException(
Messages.bind(Messages.manifest_missingAttributeValue, DATA_SOURCE_WIZARD_ELEMENT_NAME));
m_dataSourceWizardInfo = new DataSourceWizardInfo(newWizardElements[0]);
// data set UI definition elements in the same extension
m_dataSetUIElements = getDataSetUIElements(dataSourceExtn);
}
public void initialize() {
//
if (_isInitalized) {
return;
}
// set initialized
_isInitalized = true;
//
_extensionInstances = new LinkedList<T>();
_extensionBundleNamespaces = new LinkedList<String>();
// get the extension registry
IExtensionRegistry registry = RegistryFactory.getRegistry();
// get the extension points
IExtensionPoint extensionPoint = registry.getExtensionPoint(_extensionPointId);
// get the extension tracker
_tracker = new ExtensionTracker(registry);
//
for (IExtension extension : extensionPoint.getExtensions()) {
//
_extensionBundleNamespaces.add(extension.getContributor().getName());
//
addExtension(_tracker, extension);
}
// register IExtensionChangeHandler
_tracker.registerHandler(this, ExtensionTracker.createExtensionPointFilter(extensionPoint));
}
