Examples with IExtensionPoint org.eclipse.core.runtime.IExtensionPoint used on opensource projects

Example 61 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project webtools.sourceediting by eclipse.

the class JSPTranslator method getELTranslator.

/**
 * Discover and instantiate an EL translator.
 */
public IJSPELTranslator getELTranslator() {
    if (fELTranslator == null) {
        /*
			 * name of plugin that exposes this extension point
			 */
        // -
        IExtensionPoint extensionPoint = Platform.getExtensionRegistry().getExtensionPoint(JSP_CORE_PLUGIN_ID, EL_TRANSLATOR_EXTENSION_NAME);
        // extension
        // id
        // Iterate over all declared extensions of this extension point.
        // A single plugin may extend the extension point more than once,
        // although it's not recommended.
        IConfigurationElement bestTranslator = null;
        IExtension[] extensions = extensionPoint.getExtensions();
        for (int curExtension = 0; curExtension < extensions.length; curExtension++) {
            IExtension extension = extensions[curExtension];
            IConfigurationElement[] translators = extension.getConfigurationElements();
            for (int curTranslator = 0; curTranslator < translators.length; curTranslator++) {
                IConfigurationElement elTranslator = translators[curTranslator];
                if (!EL_TRANSLATOR_EXTENSION_NAME.equals(elTranslator.getName())) {
                    // configElement
                    continue;
                }
                // $NON-NLS-1$
                String idString = elTranslator.getAttribute("id");
                if (null != idString && idString.equals(fELTranslatorID) || (null == bestTranslator && DEFAULT_JSP_EL_TRANSLATOR_ID.equals(idString))) {
                    bestTranslator = elTranslator;
                }
            }
        }
        if (null != bestTranslator) {
            try {
                // $NON-NLS-1$
                Object execExt = bestTranslator.createExecutableExtension("class");
                if (execExt instanceof IJSPELTranslator) {
                    return fELTranslator = (IJSPELTranslator) execExt;
                }
            } catch (CoreException e) {
                Logger.logException(e);
            }
        }
    }
    return fELTranslator;
}

Example 62 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project webtools.sourceediting by eclipse.

the class EmbeddedTypeRegistryReader method readRegistry.

/**
 * We simply require an 'add' method, of what ever it is we are to read
 * into
 */
void readRegistry(Set set) {
    IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
    IExtensionPoint point = extensionRegistry.getExtensionPoint(PLUGIN_ID, EXTENSION_POINT_ID);
    if (point != null) {
        IConfigurationElement[] elements = point.getConfigurationElements();
        for (int i = 0; i < elements.length; i++) {
            EmbeddedTypeHandler embeddedContentType = readElement(elements[i]);
            // element
            if (embeddedContentType != null) {
                set.add(embeddedContentType);
            }
        }
    }
}

Example 63 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project webtools.sourceediting by eclipse.

the class PluginContributedFactoryReader method loadRegistry.

protected List loadRegistry(Object contentType) {
    // new Vector();
    List factoryList = null;
    IExtensionRegistry extensionRegistry = Platform.getExtensionRegistry();
    IExtensionPoint point = extensionRegistry.getExtensionPoint(SSECorePlugin.ID, EXTENSION_POINT_ID);
    if (point != null) {
        IConfigurationElement[] elements = point.getConfigurationElements();
        if (elements.length > 0) {
            // this is called a lot, so don't create vector unless really
            // needed
            // TODO: could eventually cache in a hashtable, or something,
            // to avoid repeat processing
            factoryList = new Vector();
            for (int i = 0; i < elements.length; i++) {
                INodeAdapterFactory factory = loadFactoryFromConfigurationElement(elements[i], contentType);
                if (factory != null)
                    factoryList.add(factory);
            }
        }
    }
    return factoryList;
}

Example 64 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project webtools.sourceediting by eclipse.

the class SchemaProcessorRegistryReader method readRegistry.

/**
 * read from plugin registry and parse it.
 */
protected void readRegistry() {
    IExtensionRegistry pluginRegistry = Platform.getExtensionRegistry();
    IExtensionPoint point = pluginRegistry.getExtensionPoint(JSONCorePlugin.getDefault().getBundle().getSymbolicName(), EXTENSION_POINT_ID);
    if (point != null) {
        IConfigurationElement[] elements = point.getConfigurationElements();
        for (int i = 0; i < elements.length; i++) {
            readElement(elements[i]);
        }
    }
}

Example 65 with IExtensionPoint

use of org.eclipse.core.runtime.IExtensionPoint in project webtools.sourceediting by eclipse.

the class RuntimePresetMappingRegistry method readDescriptors.

private void readDescriptors() {
    descriptors = new ArrayList<MappingDescriptor>();
    IExtensionPoint point = Platform.getExtensionRegistry().getExtensionPoint(WSTWebPlugin.PLUGIN_ID, EXTENSION_POINT);
    if (point == null)
        return;
    IConfigurationElement[] elements = point.getConfigurationElements();
    for (int i = 0; i < elements.length; i++) {
        IConfigurationElement element = elements[i];
        if (ELEMENT_MAPPING.equals(element.getName())) {
            String id = element.getAttribute(ATTRIBUTE_ID);
            if (null == id || id.trim().length() == 0) {
                // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_ID);
                continue;
            }
            String runtimeID = element.getAttribute(ATTRIBUTE_FACET_RUNTIME_TYPE_ID);
            if (null == runtimeID || runtimeID.trim().length() == 0) {
                // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_FACET_RUNTIME_TYPE_ID);
                continue;
            }
            List<String> staticRuntimeIDs = getStaticTokens(runtimeID);
            List<IRuntimeComponentType> staticRuntimeTypes = new ArrayList<IRuntimeComponentType>();
            for (String staticRuntimeID : staticRuntimeIDs) {
                try {
                    IRuntimeComponentType runtimeType = RuntimeManager.getRuntimeComponentType(staticRuntimeID);
                    if (runtimeType != null) {
                        staticRuntimeTypes.add(runtimeType);
                    }
                } catch (IllegalArgumentException e) {
                    // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$
                    WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_FACET_RUNTIME_TYPE_ID + ": " + runtimeID + " unable to resolve runtime: " + staticRuntimeID, e);
                }
            }
            String runtimeVersionStr = element.getAttribute(ATTRIBUTE_FACET_RUNTIME_VERSION);
            if (null == runtimeVersionStr || runtimeVersionStr.trim().length() == 0) {
                // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_FACET_RUNTIME_VERSION);
                continue;
            }
            if (!staticRuntimeTypes.isEmpty()) {
                List<String> staticRuntimeVersions = getStaticTokens(runtimeVersionStr);
                for (String staticVersion : staticRuntimeVersions) {
                    boolean foundVersion = false;
                    for (int k = 0; k < staticRuntimeTypes.size() && !foundVersion; k++) {
                        IRuntimeComponentType runtimeType = staticRuntimeTypes.get(k);
                        try {
                            runtimeType.getVersion(staticVersion);
                            foundVersion = true;
                        } catch (IllegalArgumentException e) {
                        // eat it
                        }
                    }
                    if (!foundVersion) {
                        // $NON-NLS-1$
                        StringBuffer validVersions = new StringBuffer(" valid versions include: ");
                        for (IRuntimeComponentType runtimeType : staticRuntimeTypes) {
                            // $NON-NLS-1$
                            validVersions.append("\n");
                            validVersions.append(runtimeType.getId());
                            // $NON-NLS-1$
                            validVersions.append(": ");
                            for (Iterator<IRuntimeComponentVersion> iterator = runtimeType.getVersions().iterator(); iterator.hasNext(); ) {
                                validVersions.append(iterator.next().getVersionString());
                                if (iterator.hasNext()) {
                                    // $NON-NLS-1$
                                    validVersions.append(" ");
                                }
                            }
                        }
                        WSTWebPlugin.logError(// $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
                        "Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_FACET_RUNTIME_VERSION + ": " + staticVersion + validVersions);
                    }
                }
            }
            String facetID = element.getAttribute(ATTRIBUTE_FACET_ID);
            if (null == facetID || facetID.trim().length() == 0) {
                // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_FACET_ID);
                continue;
            }
            List<String> staticFacetIDs = getStaticTokens(facetID);
            List<IProjectFacet> staticFacets = new ArrayList<IProjectFacet>();
            for (String staticFacetID : staticFacetIDs) {
                try {
                    IProjectFacet facet = ProjectFacetsManager.getProjectFacet(staticFacetID);
                    if (null != facet) {
                        staticFacets.add(facet);
                    }
                } catch (IllegalArgumentException e) {
                    // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
                    WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_FACET_ID + ": " + staticFacetID, e);
                }
            }
            String facetVersionStr = element.getAttribute(ATTRIBUTE_FACET_VERSION);
            if (null == facetVersionStr || facetVersionStr.trim().length() == 0) {
                // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_FACET_VERSION);
                continue;
            }
            List<String> staticFacetVersionStrs = getStaticTokens(facetVersionStr);
            if (!staticFacets.isEmpty() && !staticFacetVersionStrs.isEmpty()) {
                for (String staticFacetVersion : staticFacetVersionStrs) {
                    boolean foundFacetVersion = false;
                    for (int k = 0; k < staticFacets.size() && !foundFacetVersion; k++) {
                        IProjectFacet staticFacet = staticFacets.get(k);
                        try {
                            IProjectFacetVersion staticVersion = staticFacet.getVersion(staticFacetVersion);
                            if (staticVersion != null) {
                                foundFacetVersion = true;
                            }
                        } catch (IllegalArgumentException e) {
                        // eat it
                        }
                    }
                    if (!foundFacetVersion) {
                        // $NON-NLS-1$
                        StringBuffer validVersions = new StringBuffer(" valid versions include: ");
                        for (IProjectFacet staticFacet : staticFacets) {
                            // $NON-NLS-1$
                            validVersions.append("\n");
                            validVersions.append(staticFacet.getId());
                            // $NON-NLS-1$
                            validVersions.append(": ");
                            for (Iterator<IProjectFacetVersion> iterator = staticFacet.getVersions().iterator(); iterator.hasNext(); ) {
                                validVersions.append(iterator.next().getVersionString());
                                if (iterator.hasNext()) {
                                    // $NON-NLS-1$
                                    validVersions.append(" ");
                                }
                            }
                        }
                        WSTWebPlugin.logError(// $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
                        "Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_FACET_VERSION + ": " + staticFacetVersion + validVersions);
                        continue;
                    }
                }
            }
            String presetID = element.getAttribute(ATTRIBUTE_PRESET_ID);
            if (null == presetID || presetID.trim().length() == 0) {
                // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
                WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " is missing attribute " + ATTRIBUTE_PRESET_ID);
                continue;
            }
            try {
                ProjectFacetsManager.getPreset(presetID);
            } catch (IllegalArgumentException e) {
                // $NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
                WSTWebPlugin.logError("Extension: " + EXTENSION_POINT + " Element: " + ELEMENT_MAPPING + " defined invalid attribute " + ATTRIBUTE_PRESET_ID + ": " + presetID, e);
                continue;
            }
            MappingDescriptor descriptor = new MappingDescriptor(element);
            descriptors.add(descriptor);
        } else {
            // $NON-NLS-1$ //$NON-NLS-2$
            WSTWebPlugin.logError("Elements must be named: " + ELEMENT_MAPPING + " within the extension: " + EXTENSION_POINT);
            // $NON-NLS-1$ //$NON-NLS-2$
            WSTWebPlugin.logError("Element: " + element.getName() + " is invalid within the extension: " + EXTENSION_POINT);
        }
    }
}