| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.util.xml.reflect; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.extensions.AbstractExtensionPointBean; |
| import com.intellij.openapi.extensions.ExtensionPointName; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.util.xml.impl.DomInvocationHandler; |
| import com.intellij.util.xmlb.annotations.Attribute; |
| import com.intellij.xml.util.XmlUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author peter |
| */ |
| public class DomExtenderEP extends AbstractExtensionPointBean { |
| private static final Logger LOG = Logger.getInstance("#com.intellij.util.xml.reflect.DomExtenderEP"); |
| public static final ExtensionPointName<DomExtenderEP> EP_NAME = ExtensionPointName.create("com.intellij.dom.extender"); |
| |
| @Attribute("domClass") |
| public String domClassName; |
| @Attribute("extenderClass") |
| public String extenderClassName; |
| |
| private Class<?> myDomClass; |
| private DomExtender myExtender; |
| |
| |
| @Nullable |
| public DomExtensionsRegistrarImpl extend(@NotNull final Project project, @NotNull final DomInvocationHandler handler, @Nullable DomExtensionsRegistrarImpl registrar) { |
| if (myExtender == null) { |
| try { |
| myDomClass = findClass(domClassName); |
| myExtender = instantiate(extenderClassName, project.getPicoContainer()); |
| } |
| catch(Exception e) { |
| LOG.error(e); |
| return null; |
| } |
| } |
| if (myDomClass.isAssignableFrom(handler.getRawType())) { |
| if (!myExtender.supportsStubs() && XmlUtil.isStubBuilding()) return registrar; |
| if (registrar == null) { |
| registrar = new DomExtensionsRegistrarImpl(); |
| } |
| //noinspection unchecked |
| myExtender.registerExtensions(handler.getProxy(), registrar); |
| } |
| return registrar; |
| } |
| |
| } |