| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php |
| * |
| * 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.analytics; |
| |
| /** |
| * Helper class to create indirection reading environment variables |
| * as Java doesn't allow overwriting environment variables for the current process. |
| * This is needed to allow overriding the environment variables in tests. |
| */ |
| abstract class Environment { |
| abstract String getVariable(String name); |
| |
| static final Environment SYSTEM = |
| new Environment() { |
| @Override |
| public String getVariable(String name) { |
| return System.getenv(name); |
| } |
| }; |
| |
| static Environment sInstance = SYSTEM; |
| |
| static Environment getInstance() { |
| return sInstance; |
| } |
| |
| static void setInstance(Environment environment) { |
| sInstance = environment; |
| } |
| } |