| /* |
| * Copyright 2000-2014 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; |
| |
| import com.intellij.psi.xml.XmlFile; |
| import com.intellij.util.ArrayUtil; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| /** |
| * @author peter |
| */ |
| public abstract class MergingFileDescription<T extends DomElement> extends DomFileDescription<T>{ |
| private ModelMerger myMerger; |
| |
| protected MergingFileDescription(final Class<T> rootElementClass, @NonNls final String rootTagName) { |
| super(rootElementClass, rootTagName); |
| } |
| |
| @NotNull |
| protected abstract Set<XmlFile> getFilesToMerge(DomElement element); |
| |
| @Override |
| @NotNull |
| public DomElement getResolveScope(GenericDomValue<?> reference) { |
| final DomElement annotation = getScopeFromAnnotation(reference); |
| if (annotation != null) return annotation; |
| |
| final DomFileElement<T> element = DomUtil.getFileElement(reference); |
| return getMergedRoot(element); |
| } |
| |
| public final T getMergedRoot(DomFileElement<T> element) { |
| final DomManager domManager = element.getManager(); |
| |
| XmlFile xmlFile = element.getFile(); |
| Set<XmlFile> files = new HashSet<XmlFile>(); |
| files.add(xmlFile); |
| final XmlFile originalFile = (XmlFile)xmlFile.getOriginalFile(); |
| if (originalFile != xmlFile) { |
| final DomFileElement originalElement = domManager.getFileElement(originalFile); |
| if (originalElement != null) { |
| element = originalElement; |
| } |
| } |
| |
| files.addAll(getFilesToMerge(element)); |
| |
| |
| ArrayList<T> roots = new ArrayList<T>(files.size()); |
| for (XmlFile file: files) { |
| final DomFileElement<T> fileElement = domManager.getFileElement(file); |
| if (fileElement != null) { |
| roots.add(fileElement.getRootElement()); |
| } |
| } |
| |
| if (roots.size() == 1) { |
| return roots.iterator().next(); |
| } |
| |
| if (myMerger == null) { |
| myMerger = DomService.getInstance().createModelMerger(); |
| } |
| return myMerger.mergeModels(getRootElementClass(), roots); |
| } |
| |
| @Override |
| @NotNull |
| public DomElement getIdentityScope(DomElement element) { |
| final DomElement annotation = getScopeFromAnnotation(element); |
| if (annotation != null) return annotation; |
| |
| final List<JavaMethod> methods = DomUtil.getFixedPath(element.getParent()); |
| if (methods == null) return super.getIdentityScope(element); |
| |
| final DomFileElement<T> root = DomUtil.getFileElement(element); |
| Object o = getMergedRoot(root); |
| for (final JavaMethod method : methods) { |
| o = method.invoke(o, ArrayUtil.EMPTY_OBJECT_ARRAY); |
| } |
| return (DomElement)o; |
| } |
| |
| @Override |
| public boolean isAutomaticHighlightingEnabled() { |
| return false; |
| } |
| } |