/*
* Copyright 2013 The authors
* 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.struts2.gotosymbol;
import com.intellij.codeInsight.navigation.DomGotoRelatedItem;
import com.intellij.navigation.GotoRelatedItem;
import com.intellij.navigation.GotoRelatedProvider;
import com.intellij.openapi.paths.PathReference;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.io.FileUtilRt;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiMethod;
import com.intellij.struts2.dom.struts.action.Action;
import com.intellij.struts2.dom.struts.action.Result;
import com.intellij.struts2.dom.struts.model.StrutsManager;
import com.intellij.struts2.dom.struts.model.StrutsModel;
import com.intellij.util.Processor;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.*;
/**
* Provides "Go to related Action/Action-method" for (web)-results.
*
* @author Yann Cébron
*/
public class GotoRelatedActionProvider extends GotoRelatedProvider {
// TODO restrict to "realistic" results
private static final Set<String> SUPPORTED_EXTENSIONS = ContainerUtil.newTroveSet(FileUtil.PATH_HASHING_STRATEGY,
"ftl", "htm", "html", "jsp", "jspx", "txt", "vm"
);
@NotNull
@Override
public List<? extends GotoRelatedItem> getItems(@NotNull final PsiElement psiElement) {
PsiFile psiFile = psiElement.getContainingFile();
if (psiFile == null) return Collections.emptyList();
final PsiFile containingFile = psiFile.getOriginalFile();
final String filename = containingFile.getName();
final String extension = FileUtilRt.getExtension(filename);
if (!SUPPORTED_EXTENSIONS.contains(extension)) {
return Collections.emptyList();
}
final StrutsManager strutsManager = StrutsManager.getInstance(psiElement.getProject());
final StrutsModel strutsModel = strutsManager.getCombinedModel(psiElement);
if (strutsModel == null) {
return Collections.emptyList();
}
final List<PsiFile> allFiles = containingFile.getViewProvider().getAllFiles();
final Set<Action> actions = new HashSet<Action>();
final List<GotoRelatedItem> items = new ArrayList<GotoRelatedItem>();
strutsModel.processActions(new Processor<Action>() {
@Override
public boolean process(final Action action) {
for (final Result result : action.getResults()) {
final PathReference pathReference = result.getValue();
if (pathReference == null) {
continue;
}
final String path = pathReference.getPath();
if (!path.endsWith(filename)) {
continue;
}
final PsiElement resolve = pathReference.resolve();
if (ContainerUtil.find(allFiles, resolve) == null) {
continue;
}
if (!actions.contains(action)) {
items.add(new DomGotoRelatedItem(action));
actions.add(action);
}
final PsiClass actionClass = action.searchActionClass();
if (actionClass == null) {
continue;
}
final PsiMethod actionMethod = action.searchActionMethod();
items.add(new GotoRelatedItem(actionMethod != null ? actionMethod : actionClass));
}
return true;
}
});
return items;
}
}