| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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.idea.blaze.android.sync; |
| |
| import com.android.SdkConstants; |
| import com.android.sdklib.AndroidTargetHash; |
| import com.android.sdklib.AndroidVersion; |
| import com.android.sdklib.AndroidVersionHelper; |
| import com.android.tools.idea.sdk.IdeSdks; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.diagnostic.Logger; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Properties; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * Utility methods for handling the android sdk. |
| */ |
| public final class BlazeAndroidSdk { |
| private static final Logger LOG = Logger.getInstance(BlazeAndroidSdk.class); |
| |
| private BlazeAndroidSdk() { |
| } |
| |
| /** |
| * Reads the android sdk level from your local SDK directory. |
| */ |
| public static String getAndroidSdkLevelFromLocalChannel(String localSdkLocation, |
| String androidSdkPlatform) { |
| File androidSdkPlatformsDir = new File(new File(new File(localSdkLocation), "platforms"), androidSdkPlatform); |
| File sourcePropertiesFile = new File(androidSdkPlatformsDir, SdkConstants.FN_SOURCE_PROP); |
| return getAndroidSdkLevelFromSourceProperties(sourcePropertiesFile); |
| } |
| |
| /** |
| * The user's blazerc is read to discover the --android_sdk configuration. The resulting |
| * label can be an indirection (eg. "latest" or "prerelease"), so blaze query is used to |
| * query for "android_blaze.jar", which marks the actual android sdk directory. |
| * <p/> |
| * <p>This directory should have a source.properties file. This is read to discover the |
| * platform API level (eg. "21"). This is hashed according to ADT standards to return |
| * a unique SDK key, eg "android-21". |
| */ |
| @Nullable |
| public static String getAndroidSdkLevelFromBlazeRc( |
| File androidPlatformDir) { |
| File sourcePropertiesFile = new File(androidPlatformDir, SdkConstants.FN_SOURCE_PROP); |
| return getAndroidSdkLevelFromSourceProperties(sourcePropertiesFile); |
| } |
| |
| @Nullable |
| public static String getAndroidSdkLevelFromSourceProperties(File sourcePropertiesFile) { |
| if (!sourcePropertiesFile.exists()) { |
| return null; |
| } |
| |
| AndroidVersion androidVersion = |
| readAndroidVersionFromSourcePropertiesFile(sourcePropertiesFile); |
| if (androidVersion == null) { |
| LOG.warn("Could not read source.properties from: " + sourcePropertiesFile); |
| return null; |
| } |
| return AndroidTargetHash.getPlatformHashString(androidVersion); |
| } |
| |
| @Nullable |
| private static AndroidVersion readAndroidVersionFromSourcePropertiesFile(File sourcePropertiesFile) { |
| Properties props = parseProperties(sourcePropertiesFile); |
| if (props == null) { |
| return null; |
| } |
| try { |
| return AndroidVersionHelper.create(props); |
| } catch (AndroidVersion.AndroidVersionException e) { |
| return null; |
| } |
| } |
| |
| /** |
| * Parses the given file as properties file if it exists. |
| * Returns null if the file does not exist, cannot be parsed or has no properties. |
| */ |
| @Nullable |
| private static Properties parseProperties(File propsFile) { |
| if (!propsFile.exists()) { |
| return null; |
| } |
| try (InputStream fis = new FileInputStream(propsFile)) { |
| Properties props = new Properties(); |
| props.load(fis); |
| |
| // To be valid, there must be at least one property in it. |
| if (props.size() > 0) { |
| return props; |
| } |
| } catch (IOException e) { |
| // Ignore |
| } |
| return null; |
| } |
| |
| } |