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/*
* Copyright (C) 2013 The Android Open Source Project
*
* 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.google.gct.idea.appengine.gradle.facet;
import com.google.common.base.Strings;
import com.google.gct.idea.appengine.dom.AppEngineWebApp;
import com.intellij.facet.Facet;
import com.intellij.facet.FacetManager;
import com.intellij.facet.FacetType;
import com.intellij.facet.FacetTypeId;
import com.intellij.facet.FacetTypeRegistry;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.vfs.LocalFileSystem;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.psi.xml.XmlFile;
import com.intellij.util.xml.DomManager;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.File;
/**
* App Engine Gradle facet for App Engine Modules with a Gradle build file
*/
public class AppEngineGradleFacet extends Facet<AppEngineGradleFacetConfiguration> {
private static final Logger LOG = Logger.getInstance(AppEngineGradleFacet.class);
@NonNls public static final String ID = "app-engine-gradle";
@NonNls public static final String NAME = "App Engine Gradle";
public static final FacetTypeId<AppEngineGradleFacet> TYPE_ID = new FacetTypeId<AppEngineGradleFacet>(ID);
@Nullable
public static AppEngineGradleFacet getInstance(@NotNull Module module) {
return FacetManager.getInstance(module).getFacetByType(TYPE_ID);
}
@SuppressWarnings("ConstantConditions")
public AppEngineGradleFacet(@NotNull FacetType facetType,
@NotNull Module module,
@NotNull String name,
@NotNull AppEngineGradleFacetConfiguration configuration) {
super(facetType, module, name, configuration, null);
}
/**
* Returns an object holding information from the appengine-web.xml file.
*/
public AppEngineWebApp getAppEngineWebXml() {
AppEngineConfigurationProperties model = getConfiguration().getState();
if (model == null || Strings.isNullOrEmpty(model.WEB_APP_DIR)) {
return null;
}
String path = model.WEB_APP_DIR + "/WEB-INF/appengine-web.xml";
VirtualFile appEngineFile = LocalFileSystem.getInstance().findFileByPath(path.replace(File.separatorChar, '/'));
if (appEngineFile == null) {
return null;
}
PsiFile psiFile = PsiManager.getInstance(getModule().getProject()).findFile(appEngineFile);
if (psiFile == null || !(psiFile instanceof XmlFile)) {
return null;
}
final DomManager domManager = DomManager.getDomManager(getModule().getProject());
return domManager.getFileElement((XmlFile)psiFile, AppEngineWebApp.class).getRootElement();
}
public static FacetType<AppEngineGradleFacet, AppEngineGradleFacetConfiguration> getFacetType() {
return FacetTypeRegistry.getInstance().findFacetType(ID);
}
@Nullable
public static AppEngineGradleFacet getAppEngineFacetByModule(@Nullable Module module) {
if (module == null) return null;
return FacetManager.getInstance(module).getFacetByType(TYPE_ID);
}
}
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