1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.ant; 18 19 import org.apache.tools.ant.Task; 20 21 /** 22 * Base class for tasks that should exec when the build type change. 23 */ 24 public abstract class BuildTypedTask extends Task { 25 26 private String mPreviousBuildType; 27 private String mBuildType; 28 29 /** Sets the current build type */ setBuildType(String buildType)30 public void setBuildType(String buildType) { 31 mBuildType = buildType; 32 } 33 34 /** Sets the previous build type */ setPreviousBuildType(String previousBuildType)35 public void setPreviousBuildType(String previousBuildType) { 36 mPreviousBuildType = previousBuildType; 37 } 38 getBuildType()39 protected String getBuildType() { 40 return mBuildType; 41 } 42 43 /** 44 * Returns if it is a new build. If the build type is not input 45 * from the XML, this always returns true. 46 * A build type is defined by having an empty previousBuildType. 47 */ isNewBuild()48 protected boolean isNewBuild() { 49 return mBuildType == null || mPreviousBuildType.length() == 0; 50 } 51 52 /** 53 * Returns true if the build type changed. 54 */ hasBuildTypeChanged()55 protected boolean hasBuildTypeChanged() { 56 // no build type? return false as the feature is simply not used 57 if (mBuildType == null && mPreviousBuildType == null) { 58 return false; 59 } 60 61 return mBuildType.equals(mPreviousBuildType) == false; 62 } 63 } 64