| /* |
| * 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.util; |
| |
| import com.google.common.base.Charsets; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.io.*; |
| import java.util.Properties; |
| |
| import static com.google.common.io.Closeables.close; |
| import static com.intellij.openapi.util.io.FileUtilRt.createParentDirs; |
| |
| public final class PropertiesUtil { |
| private PropertiesUtil() { |
| } |
| |
| @NotNull |
| public static Properties getProperties(@NotNull File filePath) throws IOException { |
| if (filePath.isDirectory()) { |
| throw new IllegalArgumentException(String.format("The path '%1$s' belongs to a directory!", filePath.getPath())); |
| } |
| if (!filePath.exists()) { |
| return new Properties(); |
| } |
| Properties properties = new Properties(); |
| Reader reader = null; |
| try { |
| reader = new InputStreamReader(new BufferedInputStream(new FileInputStream(filePath)), Charsets.UTF_8); |
| properties.load(reader); |
| } |
| finally { |
| close(reader, true); |
| } |
| return properties; |
| } |
| |
| public static void savePropertiesToFile(@NotNull Properties properties, @NotNull File filePath, @Nullable String comments) |
| throws IOException { |
| createParentDirs(filePath); |
| FileOutputStream out = null; |
| try { |
| //noinspection IOResourceOpenedButNotSafelyClosed |
| out = new FileOutputStream(filePath); |
| // Note that we don't write the properties files in UTF-8; this will *not* write the |
| // files with the default platform encoding; instead, it will write it using ISO-8859-1 and |
| // \\u escaping syntax for other characters. This will work with older versions of the Gradle |
| // plugin which does not read the .properties file with UTF-8 encoding. In the future when |
| // nobody is using older (0.7.x) versions of the Gradle plugin anymore we can upgrade this |
| properties.store(out, comments); |
| } |
| finally { |
| close(out, true); |
| } |
| } |
| } |