import java.util.ArrayList;
/**
- * Task able to run an Exec task on aapt several times.
+ * Task to execute aapt.
+ *
* <p>It does not follow the exec task format, instead it has its own parameters, which maps
* directly to aapt.</p>
+ * <p>It is able to run aapt several times if library setup requires generating several
+ * R.java files.
* <p>The following map shows how to use the task for each supported aapt command line
* parameter.</p>
*
--- /dev/null
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * 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.android.ant;
+
+import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Project;
+import org.apache.tools.ant.Task;
+import org.apache.tools.ant.taskdefs.ExecTask;
+import org.apache.tools.ant.types.FileSet;
+import org.apache.tools.ant.types.Path;
+import org.apache.tools.ant.types.PatternSet.NameEntry;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+
+/**
+ * Task to execute aidl.
+ * <p>
+ * It expects 3 attributes:<br>
+ * 'executable' ({@link Path} with a single path) for the location of the aidl executable<br>
+ * 'framework' ({@link Path} with a single path) for the "preprocessed" file containing all the
+ * parcelables exported by the framework<br>
+ * 'genFolder' ({@link Path} with a single path) for the location of the gen folder.
+ *
+ * It also expects one or more inner elements called "source" which are identical to {@link Path}
+ * elements.
+ */
+public class AidlExecTask extends Task {
+
+ private String mExecutable;
+ private String mFramework;
+ private String mGenFolder;
+ private final ArrayList<Path> mPaths = new ArrayList<Path>();
+
+ /**
+ * Sets the value of the "executable" attribute.
+ * @param executable the value.
+ */
+ public void setExecutable(Path executable) {
+ mExecutable = TaskHelper.checkSinglePath("executable", executable);
+ }
+
+ public void setFramework(Path value) {
+ mFramework = TaskHelper.checkSinglePath("framework", value);
+ }
+
+ public void setGenFolder(Path value) {
+ mGenFolder = TaskHelper.checkSinglePath("genFolder", value);
+ }
+
+ public Path createSource() {
+ Path p = new Path(getProject());
+ mPaths.add(p);
+ return p;
+ }
+
+ @Override
+ public void execute() throws BuildException {
+ if (mFramework == null) {
+ throw new BuildException("AidlExecTask's framework is required.");
+ }
+ if (mGenFolder == null) {
+ throw new BuildException("AidlExecTask's genFolder is required.");
+ }
+
+ Project taskProject = getProject();
+
+ // build a list of all the source folders
+ ArrayList<String> sourceFolders = new ArrayList<String>();
+ for (Path p : mPaths) {
+ String[] values = p.list();
+ if (values != null) {
+ sourceFolders.addAll(Arrays.asList(values));
+ }
+ }
+
+ // now loop on all the source folders to find all the aidl to compile
+ // and compile them
+ for (String sourceFolder : sourceFolders) {
+ // create a fileset to find all the aidl files in the current source folder
+ FileSet fs = new FileSet();
+ fs.setProject(taskProject);
+ fs.setDir(new File(sourceFolder));
+ NameEntry include = fs.createInclude();
+ include.setName("**/*.aidl");
+
+ // loop through the results of the file set
+ Iterator<?> iter = fs.iterator();
+ while (iter.hasNext()) {
+ Object next = iter.next();
+
+ ExecTask task = new ExecTask();
+ task.setProject(taskProject);
+ task.setOwningTarget(getOwningTarget());
+ task.setExecutable(mExecutable);
+ task.setFailonerror(true);
+
+ task.createArg().setValue("-p" + mFramework);
+ task.createArg().setValue("-o" + mGenFolder);
+ // add all the source folders as import in case an aidl file in a source folder
+ // imports a parcelable from another source folder.
+ for (String importFolder : sourceFolders) {
+ task.createArg().setValue("-I" + importFolder);
+ }
+
+ task.createArg().setValue(next.toString());
+
+ // execute it.
+ task.execute();
+ }
+ }
+ }
+}
static String checkSinglePath(String attribute, Path path) {
String[] paths = path.list();
if (paths.length != 1) {
- throw new BuildException(String.format("Path value for '%1$s' is not valid.", attribute));
+ throw new BuildException(String.format(
+ "Value for '%1$s' is not valid. It must resolve to a single path", attribute));
}
return paths[0];
-->
<!-- Custom tasks -->
- <taskdef name="aaptexec"
+ <taskdef name="aapt"
classname="com.android.ant.AaptExecLoopTask"
classpathref="android.antlibs" />
+ <taskdef name="aidl"
+ classname="com.android.ant.AidlExecTask"
+ classpathref="android.antlibs" />
+
<taskdef name="xpath"
classname="com.android.ant.XPathTask"
classpathref="android.antlibs" />
+ <taskdef name="if"
+ classname="com.android.ant.IfElseTask"
+ classpathref="android.antlibs" />
+
<!-- Properties -->
<!-- Tells adb which device to target. You can change this from the command line
<!-- Name of the application package extracted from manifest file -->
<xpath input="AndroidManifest.xml" expression="/manifest/@package"
output="manifest.package" />
+ <xpath input="AndroidManifest.xml" expression="/manifest/application/@android:hasCode"
+ output="manifest.hasCode" default="true"/>
<!-- Input directories -->
<property name="source.dir" value="src" />
<mkdir dir="${out.classes.absolute.dir}" />
</target>
+ <!-- empty default pre-build target. Create a similar target in
+ your build.xml and it'll be called instead of this one. -->
+ <target name="-pre-build"/>
+
<!-- Generates the R.java file for this project's resources. -->
- <target name="-resource-src" depends="-dirs">
+ <target name="-resource-src" depends="-dirs, -pre-build">
<echo>Generating R.java / Manifest.java from the resources...</echo>
- <aaptexec executable="${aapt}"
+ <aapt executable="${aapt}"
command="package"
verbose="${verbose}"
manifest="AndroidManifest.xml"
androidjar="${android.jar}"
rfolder="${gen.absolute.dir}">
<res path="${resource.absolute.dir}" />
- </aaptexec>
+ </aapt>
+ </target>
+
+ <!-- Generates java classes from .aidl files. -->
+ <target name="-aidl" depends="-dirs">
+ <if condition="${manifest.hasCode}">
+ <then>
+ <echo>Compiling aidl files into Java classes...</echo>
+ <aidl executable="${aidl}" framework="${android.aidl}"
+ genFolder="${gen.absolute.dir}">
+ <source path="${source.absolute.dir}"/>
+ <source refid="android.libraries.src"/>
+ </aidl>
+ </then>
+ <else>
+ <echo>hasCode = false. Skipping...</echo>
+ </else>
+ </if>
</target>
+ <!-- empty default pre-compile target. Create a similar target in
+ your build.xml and it'll be called instead of this one. -->
+ <target name="-pre-compile"/>
+
<!-- Compiles this project's .java files into .class files. -->
- <target name="compile" depends="-resource-src"
+ <target name="compile" depends="-resource-src, -aidl, -pre-compile"
description="Compiles project's .java files into .class files">
<!-- If android rules are used for a test project, its classpath should include
tested project's location -->
-->
<!-- Custom tasks -->
- <taskdef name="aaptexec"
+ <taskdef name="aapt"
classname="com.android.ant.AaptExecLoopTask"
classpathref="android.antlibs" />
+ <taskdef name="aidl"
+ classname="com.android.ant.AidlExecTask"
+ classpathref="android.antlibs" />
+
<taskdef name="apkbuilder"
classname="com.android.ant.ApkBuilderTask"
classpathref="android.antlibs" />
<if condition="${manifest.hasCode}">
<then>
<echo>Generating R.java / Manifest.java from the resources...</echo>
- <aaptexec executable="${aapt}"
+ <aapt executable="${aapt}"
command="package"
verbose="${verbose}"
manifest="AndroidManifest.xml"
androidjar="${android.jar}"
rfolder="${gen.absolute.dir}">
<res path="${resource.absolute.dir}" />
- </aaptexec>
+ </aapt>
</then>
<else>
<echo>hasCode = false. Skipping...</echo>
<if condition="${manifest.hasCode}">
<then>
<echo>Compiling aidl files into Java classes...</echo>
- <apply executable="${aidl}" failonerror="true">
- <arg value="-p${android.aidl}" />
- <arg value="-I${source.absolute.dir}" />
- <arg value="-o${gen.absolute.dir}" />
- <fileset dir="${source.absolute.dir}">
- <include name="**/*.aidl" />
- </fileset>
- </apply>
+ <aidl executable="${aidl}" framework="${android.aidl}"
+ genFolder="${gen.absolute.dir}">
+ <source path="${source.absolute.dir}"/>
+ <source refid="android.libraries.src"/>
+ </aidl>
</then>
<else>
<echo>hasCode = false. Skipping...</echo>
-->
<target name="-package-resources">
<echo>Packaging resources</echo>
- <aaptexec executable="${aapt}"
+ <aapt executable="${aapt}"
command="package"
versioncode="${version.code}"
manifest="AndroidManifest.xml"
<res path="${resource.absolute.dir}" />
<!-- <nocompress /> forces no compression on any files in assets or res/raw -->
<!-- <nocompress extension="xml" /> forces no compression on specific file extensions in assets and res/raw -->
- </aaptexec>
+ </aapt>
</target>
<!-- Packages the application and sign it with a debug key. -->
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