Home | History | Annotate | Download | only in ant 
      1 /*
      2  * Copyright (C) 2012 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.BuildException;
     20 import org.apache.tools.ant.Task;
     21 
     22 /**
     23  * Task building an emma filter to remove all build-only classes.
     24  *
     25  * Currently ignore:
     26  * app.package.R
     27  * app.package.R$*
     28  * app.package.Manifest
     29  * app.package.BuildConfig
     30  *
     31  */
     32 public class GetEmmaFilterTask extends Task {
     33 
     34     private static final String[] FILTER_CLASSES = new String[] {
     35         "R", "R$*", "Manifest", "BuildConfig"
     36     };
     37 
     38     private String mAppPackage;
     39     private String mLibraryPackagesRefId;
     40     private String mFilterOut;
     41 
     42 
     43     public void setAppPackage(String appPackage) {
     44         mAppPackage = appPackage;
     45     }
     46 
     47     public void setLibraryPackagesRefId(String libraryPackagesRefId) {
     48         mLibraryPackagesRefId = libraryPackagesRefId;
     49     }
     50 
     51     public void setFilterOut(String filterOut) {
     52         mFilterOut = filterOut;
     53     }
     54 
     55     @Override
     56     public void execute() throws BuildException {
     57         if (mAppPackage == null) {
     58             throw new BuildException("Missing attribute appPackage");
     59         }
     60         if (mLibraryPackagesRefId == null) {
     61             throw new BuildException("Missing attribute libraryPackagesRefId");
     62         }
     63         if (mFilterOut == null) {
     64             throw new BuildException("Missing attribute filterOut");
     65         }
     66 
     67         StringBuilder sb = new StringBuilder();
     68 
     69         String libraryPackagesValue = getProject().getProperty(mLibraryPackagesRefId);
     70 
     71         if (libraryPackagesValue != null && libraryPackagesValue.length() > 0) {
     72             // split the app packages.
     73             String[] libPackages = libraryPackagesValue.split(";");
     74 
     75             for (String libPackage : libPackages) {
     76                 if (libPackage.length() > 0) {
     77                     for (String filterClass : FILTER_CLASSES) {
     78                         sb.append(libPackage).append('.').append(filterClass).append(',');
     79                     }
     80                 }
     81             }
     82         }
     83 
     84         // add the app package:
     85         final int count = FILTER_CLASSES.length;
     86         for (int i = 0 ; i < count ; i++) {
     87             sb.append(mAppPackage).append('.').append(FILTER_CLASSES[i]);
     88             if (i < count - 1) {
     89                 sb.append(',');
     90             }
     91         }
     92 
     93         getProject().setProperty(mFilterOut, sb.toString());
     94     }
     95 }
     96