| /* |
| * Copyright (C) 2014 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.android.tools.idea.gradle.project; |
| |
| import com.android.SdkConstants; |
| import com.android.tools.idea.gradle.eclipse.GradleImport; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.util.JDOMUtil; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import org.jdom.Element; |
| import org.jetbrains.annotations.NonNls; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.File; |
| import java.util.List; |
| |
| /** |
| * Project import logic used by UI elements |
| */ |
| public final class ProjectImportUtil { |
| @NonNls private static final String ANDROID_NATURE_NAME = "com.android.ide.eclipse.adt.AndroidNature"; |
| |
| private static final Logger LOG = Logger.getInstance(ProjectImportUtil.class); |
| |
| private ProjectImportUtil() { |
| // Do not instantiate |
| } |
| |
| @Nullable |
| public static VirtualFile findImportTarget(@NotNull VirtualFile file) { |
| if (file.isDirectory()) { |
| VirtualFile target = findMatchingChild(file, SdkConstants.FN_BUILD_GRADLE, SdkConstants.FN_SETTINGS_GRADLE); |
| if (target != null) { |
| return target; |
| } |
| target = findMatchingChild(file, GradleImport.ECLIPSE_DOT_PROJECT); |
| if (target != null) { |
| return findImportTarget(target); |
| } |
| } |
| else { |
| if (GradleImport.ECLIPSE_DOT_PROJECT.equals(file.getName()) && hasAndroidNature(file)) { |
| return file; |
| } |
| if (GradleImport.ECLIPSE_DOT_CLASSPATH.equals(file.getName())) { |
| return findImportTarget(file.getParent()); |
| } |
| } |
| return file; |
| } |
| |
| @Nullable |
| private static VirtualFile findMatchingChild(@NotNull VirtualFile parent, @NotNull String... validNames) { |
| if (parent.isDirectory()) { |
| for (VirtualFile child : parent.getChildren()) { |
| for (String name : validNames) { |
| if (name.equals(child.getName())) { |
| return child; |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| private static boolean hasAndroidNature(@NotNull VirtualFile projectFile) { |
| File dotProjectFile = new File(projectFile.getPath()); |
| try { |
| Element naturesElement = JDOMUtil.loadDocument(dotProjectFile).getRootElement().getChild("natures"); |
| if (naturesElement != null) { |
| List<Element> naturesList = naturesElement.getChildren("nature"); |
| for (Element nature : naturesList) { |
| String natureName = nature.getText(); |
| if (ANDROID_NATURE_NAME.equals(natureName)) { |
| return true; |
| } |
| } |
| } |
| } |
| catch (Exception e) { |
| LOG.info(String.format("Unable to get natures for Eclipse project file '%1$s", projectFile.getPath()), e); |
| } |
| return false; |
| } |
| } |