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      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 com.android.SdkConstants;
     20 import com.android.sdklib.internal.project.ProjectProperties;
     21 import com.android.xml.AndroidManifest;
     22 import com.android.xml.AndroidXPathFactory;
     23 
     24 import org.apache.tools.ant.BuildException;
     25 import org.apache.tools.ant.Project;
     26 import org.apache.tools.ant.Task;
     27 import org.xml.sax.InputSource;
     28 
     29 import java.io.File;
     30 import java.io.FileInputStream;
     31 import java.io.FileNotFoundException;
     32 
     33 import javax.xml.xpath.XPath;
     34 import javax.xml.xpath.XPathExpressionException;
     35 
     36 /**
     37  * Task to query the type of the current project.
     38  *
     39  * Out params:
     40  *
     41  * <code>projectTypeOut</code>: String value containing the type of the project. Possible values
     42  * are 'app', 'library', 'test', 'test-app'
     43  *
     44  */
     45 public class GetTypeTask extends Task {
     46 
     47     private String mProjectTypeOut;
     48 
     49     public void setProjectTypeOut(String projectTypeOut) {
     50         mProjectTypeOut = projectTypeOut;
     51     }
     52 
     53     @Override
     54     public void execute() throws BuildException {
     55         if (mProjectTypeOut == null) {
     56             throw new BuildException("Missing attribute projectTypeOut");
     57         }
     58 
     59         Project antProject = getProject();
     60 
     61         String libraryProp = antProject.getProperty(ProjectProperties.PROPERTY_LIBRARY);
     62         if (libraryProp != null) {
     63             if (Boolean.valueOf(libraryProp).booleanValue()) {
     64                 System.out.println("Project Type: Android Library");
     65 
     66                 antProject.setProperty(mProjectTypeOut, "library");
     67                 return;
     68             }
     69         }
     70 
     71         if (antProject.getProperty(ProjectProperties.PROPERTY_TESTED_PROJECT) != null) {
     72             System.out.println("Project Type: Test Application");
     73 
     74             antProject.setProperty(mProjectTypeOut, "test");
     75             return;
     76         }
     77 
     78         // we also need to check if the Manifest doesn't have some instrumentation which
     79         // means the app is a self-contained test project.
     80         try {
     81             File manifest = new File(antProject.getBaseDir(), SdkConstants.FN_ANDROID_MANIFEST_XML);
     82             XPath xPath = AndroidXPathFactory.newXPath();
     83 
     84             // check the present of /manifest/instrumentation/
     85             String value = xPath.evaluate(
     86                     "/"  + AndroidManifest.NODE_MANIFEST +
     87                     "/" + AndroidManifest.NODE_INSTRUMENTATION +
     88                     "/@" + AndroidXPathFactory.DEFAULT_NS_PREFIX +
     89                     ":" + AndroidManifest.ATTRIBUTE_TARGET_PACKAGE,
     90                     new InputSource(new FileInputStream(manifest)));
     91 
     92             if (value != null && value.length() > 0) {
     93                 System.out.println("Project Type: Self-Tested Application");
     94 
     95                 antProject.setProperty(mProjectTypeOut, "test-app");
     96                 return;
     97             }
     98         } catch (XPathExpressionException e) {
     99             throw new BuildException(e);
    100         } catch (FileNotFoundException e) {
    101             throw new BuildException(e);
    102         }
    103 
    104         // default case
    105         System.out.println("Project Type: Application");
    106 
    107         antProject.setProperty(mProjectTypeOut, "app");
    108     }
    109 }
    110