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/*
* Copyright (C) 2009 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 com.android.io.FileWrapper;
import com.android.io.FolderWrapper;
import com.android.sdklib.AndroidVersion;
import com.android.sdklib.IAndroidTarget;
import com.android.sdklib.ISdkLog;
import com.android.sdklib.SdkConstants;
import com.android.sdklib.SdkManager;
import com.android.sdklib.IAndroidTarget.IOptionalLibrary;
import com.android.sdklib.internal.project.ProjectProperties;
import com.android.sdklib.internal.project.ProjectProperties.PropertyType;
import com.android.sdklib.xml.AndroidManifest;
import com.android.sdklib.xml.AndroidXPathFactory;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.types.Path;
import org.apache.tools.ant.types.Path.PathElement;
import org.apache.tools.ant.util.DeweyDecimal;
import org.xml.sax.InputSource;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FilenameFilter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathExpressionException;
/**
* Setup Ant task. This task accomplishes:
* <ul>
* <li>Gets the project target hash string from {@link ProjectProperties#PROPERTY_TARGET},
* and resolves it to get the project's {@link IAndroidTarget}.</li>
*
* <li>Sets up properties so that aapt can find the android.jar and other files/folders in
* the resolved target.</li>
*
* <li>Sets up the boot classpath ref so that the <code>javac</code> task knows where to find
* the libraries. This includes the default android.jar from the resolved target but also optional
* libraries provided by the target (if any, when the target is an add-on).</li>
*
* <li>Resolve library dependencies and setup various Path references for them</li>
* </ul>
*
* This is used in the main rules file only.
*
*/
public class NewSetupTask extends Task {
private final static String ANT_MIN_VERSION = "1.8.0";
private String mProjectTypeOut;
private String mAndroidJarFileOut;
private String mAndroidAidlFileOut;
private String mRenderScriptExeOut;
private String mRenderScriptIncludeDirOut;
private String mBootclasspathrefOut;
private String mProjectLibrariesRootOut;
private String mProjectLibrariesResOut;
private String mProjectLibrariesPackageOut;
private String mProjectLibrariesJarsOut;
private String mProjectLibrariesLibsOut;
private String mTargetApiOut;
public void setProjectTypeOut(String projectTypeOut) {
mProjectTypeOut = projectTypeOut;
}
public void setAndroidJarFileOut(String androidJarFileOut) {
mAndroidJarFileOut = androidJarFileOut;
}
public void setAndroidAidlFileOut(String androidAidlFileOut) {
mAndroidAidlFileOut = androidAidlFileOut;
}
public void setRenderScriptExeOut(String renderScriptExeOut) {
mRenderScriptExeOut = renderScriptExeOut;
}
public void setRenderScriptIncludeDirOut(String renderScriptIncludeDirOut) {
mRenderScriptIncludeDirOut = renderScriptIncludeDirOut;
}
public void setBootclasspathrefOut(String bootclasspathrefOut) {
mBootclasspathrefOut = bootclasspathrefOut;
}
public void setProjectLibrariesRootOut(String projectLibrariesRootOut) {
mProjectLibrariesRootOut = projectLibrariesRootOut;
}
public void setProjectLibrariesResOut(String projectLibrariesResOut) {
mProjectLibrariesResOut = projectLibrariesResOut;
}
public void setProjectLibrariesPackageOut(String projectLibrariesPackageOut) {
mProjectLibrariesPackageOut = projectLibrariesPackageOut;
}
public void setProjectLibrariesJarsOut(String projectLibrariesJarsOut) {
mProjectLibrariesJarsOut = projectLibrariesJarsOut;
}
public void setProjectLibrariesLibsOut(String projectLibrariesLibsOut) {
mProjectLibrariesLibsOut = projectLibrariesLibsOut;
}
public void setTargetApiOut(String targetApiOut) {
mTargetApiOut = targetApiOut;
}
@Override
public void execute() throws BuildException {
if (mProjectTypeOut == null) {
throw new BuildException("Missing attribute projectTypeOut");
}
if (mAndroidJarFileOut == null) {
throw new BuildException("Missing attribute androidJarFileOut");
}
if (mAndroidAidlFileOut == null) {
throw new BuildException("Missing attribute androidAidlFileOut");
}
if (mRenderScriptExeOut == null) {
throw new BuildException("Missing attribute renderScriptExeOut");
}
if (mRenderScriptIncludeDirOut == null) {
throw new BuildException("Missing attribute renderScriptIncludeDirOut");
}
if (mBootclasspathrefOut == null) {
throw new BuildException("Missing attribute bootclasspathrefOut");
}
if (mProjectLibrariesRootOut == null) {
throw new BuildException("Missing attribute projectLibrariesRootOut");
}
if (mProjectLibrariesResOut == null) {
throw new BuildException("Missing attribute projectLibrariesResOut");
}
if (mProjectLibrariesPackageOut == null) {
throw new BuildException("Missing attribute projectLibrariesPackageOut");
}
if (mProjectLibrariesJarsOut == null) {
throw new BuildException("Missing attribute projectLibrariesJarsOut");
}
if (mProjectLibrariesLibsOut == null) {
throw new BuildException("Missing attribute projectLibrariesLibsOut");
}
if (mTargetApiOut == null) {
throw new BuildException("Missing attribute targetApiOut");
}
Project antProject = getProject();
// check the Ant version
DeweyDecimal version = getVersion(antProject);
DeweyDecimal atLeast = new DeweyDecimal(ANT_MIN_VERSION);
if (atLeast.isGreaterThan(version)) {
throw new BuildException(
"The Android Ant-based build system requires Ant " +
ANT_MIN_VERSION +
" or later. Current version is " +
version);
}
// get the SDK location
File sdkDir = TaskHelper.getSdkLocation(antProject);
String sdkOsPath = sdkDir.getPath();
// Make sure the OS sdk path ends with a directory separator
if (sdkOsPath.length() > 0 && !sdkOsPath.endsWith(File.separator)) {
sdkOsPath += File.separator;
}
// display SDK Tools revision
int toolsRevison = TaskHelper.getToolsRevision(sdkDir);
if (toolsRevison != -1) {
System.out.println("Android SDK Tools Revision " + toolsRevison);
}
// detect that the platform tools is there.
File platformTools = new File(sdkDir, SdkConstants.FD_PLATFORM_TOOLS);
if (platformTools.isDirectory() == false) {
throw new BuildException(String.format(
"SDK Platform Tools component is missing. " +
"Please install it with the SDK Manager (%1$s%2$c%3$s)",
SdkConstants.FD_TOOLS,
File.separatorChar,
SdkConstants.androidCmdName()));
}
// get the target property value
String targetHashString = antProject.getProperty(ProjectProperties.PROPERTY_TARGET);
boolean isTestProject = false;
if (antProject.getProperty(ProjectProperties.PROPERTY_TESTED_PROJECT) != null) {
isTestProject = true;
}
if (targetHashString == null) {
throw new BuildException("Android Target is not set.");
}
// load up the sdk targets.
final ArrayList<String> messages = new ArrayList<String>();
SdkManager manager = SdkManager.createManager(sdkOsPath, new ISdkLog() {
public void error(Throwable t, String errorFormat, Object... args) {
if (errorFormat != null) {
messages.add(String.format("Error: " + errorFormat, args));
}
if (t != null) {
messages.add("Error: " + t.getMessage());
}
}
public void printf(String msgFormat, Object... args) {
messages.add(String.format(msgFormat, args));
}
public void warning(String warningFormat, Object... args) {
messages.add(String.format("Warning: " + warningFormat, args));
}
});
if (manager == null) {
// since we failed to parse the SDK, lets display the parsing output.
for (String msg : messages) {
System.out.println(msg);
}
throw new BuildException("Failed to parse SDK content.");
}
// resolve it
IAndroidTarget androidTarget = manager.getTargetFromHashString(targetHashString);
if (androidTarget == null) {
throw new BuildException(String.format(
"Unable to resolve target '%s'", targetHashString));
}
// display the project info
System.out.println("Project Target: " + androidTarget.getName());
if (androidTarget.isPlatform() == false) {
System.out.println("Vendor: " + androidTarget.getVendor());
System.out.println("Platform Version: " + androidTarget.getVersionName());
}
System.out.println("API level: " + androidTarget.getVersion().getApiString());
// check if the project is a library
boolean isLibrary = false;
String libraryProp = antProject.getProperty(ProjectProperties.PROPERTY_LIBRARY);
if (libraryProp != null) {
isLibrary = Boolean.valueOf(libraryProp).booleanValue();
}
if (isLibrary) {
System.out.println("Project Type: Android Library");
}
// look for referenced libraries.
processReferencedLibraries(antProject, androidTarget);
// always check the manifest minSdkVersion.
checkManifest(antProject, androidTarget.getVersion());
// sets up the properties to find android.jar/framework.aidl/target tools
String androidJar = androidTarget.getPath(IAndroidTarget.ANDROID_JAR);
antProject.setProperty(mAndroidJarFileOut, androidJar);
String androidAidl = androidTarget.getPath(IAndroidTarget.ANDROID_AIDL);
antProject.setProperty(mAndroidAidlFileOut, androidAidl);
Path includePath = new Path(antProject);
PathElement element = includePath.createPathElement();
element.setPath(androidTarget.getPath(IAndroidTarget.ANDROID_RS));
element = includePath.createPathElement();
element.setPath(androidTarget.getPath(IAndroidTarget.ANDROID_RS_CLANG));
antProject.setProperty(mRenderScriptIncludeDirOut, includePath.toString());
// TODO: figure out the actual compiler to use based on the minSdkVersion
antProject.setProperty(mRenderScriptExeOut,
sdkOsPath + SdkConstants.OS_SDK_PLATFORM_TOOLS_FOLDER +
SdkConstants.FN_RENDERSCRIPT);
// sets up the boot classpath
// create the Path object
Path bootclasspath = new Path(antProject);
// create a PathElement for the framework jar
element = bootclasspath.createPathElement();
element.setPath(androidJar);
// create PathElement for each optional library.
IOptionalLibrary[] libraries = androidTarget.getOptionalLibraries();
if (libraries != null) {
HashSet<String> visitedJars = new HashSet<String>();
for (IOptionalLibrary library : libraries) {
String jarPath = library.getJarPath();
if (visitedJars.contains(jarPath) == false) {
visitedJars.add(jarPath);
element = bootclasspath.createPathElement();
element.setPath(library.getJarPath());
}
}
}
// sets the path in the project with a reference
antProject.addReference(mBootclasspathrefOut, bootclasspath);
// finally set the project type.
if (isLibrary) {
antProject.setProperty(mProjectTypeOut, "library");
} else if (isTestProject) {
antProject.setProperty(mProjectTypeOut, "test");
} else {
antProject.setProperty(mProjectTypeOut, "project");
}
}
/**
* Checks the manifest <code>minSdkVersion</code> attribute.
* @param antProject the ant project
* @param androidVersion the version of the platform the project is compiling against.
*/
private void checkManifest(Project antProject, AndroidVersion androidVersion) {
try {
File manifest = new File(antProject.getBaseDir(), SdkConstants.FN_ANDROID_MANIFEST_XML);
XPath xPath = AndroidXPathFactory.newXPath();
// check the package name.
String value = xPath.evaluate(
"/" + AndroidManifest.NODE_MANIFEST +
"/@" + AndroidManifest.ATTRIBUTE_PACKAGE,
new InputSource(new FileInputStream(manifest)));
if (value != null) { // aapt will complain if it's missing.
// only need to check that the package has 2 segments
if (value.indexOf('.') == -1) {
throw new BuildException(String.format(
"Application package '%1$s' must have a minimum of 2 segments.",
value));
}
}
// check the minSdkVersion value
value = xPath.evaluate(
"/" + AndroidManifest.NODE_MANIFEST +
"/" + AndroidManifest.NODE_USES_SDK +
"/@" + AndroidXPathFactory.DEFAULT_NS_PREFIX + ":" +
AndroidManifest.ATTRIBUTE_MIN_SDK_VERSION,
new InputSource(new FileInputStream(manifest)));
if (androidVersion.isPreview()) {
// in preview mode, the content of the minSdkVersion must match exactly the
// platform codename.
String codeName = androidVersion.getCodename();
if (codeName.equals(value) == false) {
throw new BuildException(String.format(
"For '%1$s' SDK Preview, attribute minSdkVersion in AndroidManifest.xml must be '%1$s'",
codeName));
}
// set the API level to the previous API level (which is actually the value in
// androidVersion.)
antProject.setProperty(mTargetApiOut,
Integer.toString(androidVersion.getApiLevel()));
} else if (value.length() > 0) {
// for normal platform, we'll only display warnings if the value is lower or higher
// than the target api level.
// First convert to an int.
int minSdkValue = -1;
try {
minSdkValue = Integer.parseInt(value);
} catch (NumberFormatException e) {
// looks like it's not a number: error!
throw new BuildException(String.format(
"Attribute %1$s in AndroidManifest.xml must be an Integer!",
AndroidManifest.ATTRIBUTE_MIN_SDK_VERSION));
}
// set the target api to the value
antProject.setProperty(mTargetApiOut, value);
int projectApiLevel = androidVersion.getApiLevel();
if (minSdkValue < projectApiLevel) {
System.out.println(String.format(
"WARNING: Attribute %1$s in AndroidManifest.xml (%2$d) is lower than the project target API level (%3$d)",
AndroidManifest.ATTRIBUTE_MIN_SDK_VERSION,
minSdkValue, projectApiLevel));
} else if (minSdkValue > androidVersion.getApiLevel()) {
System.out.println(String.format(
"WARNING: Attribute %1$s in AndroidManifest.xml (%2$d) is higher than the project target API level (%3$d)",
AndroidManifest.ATTRIBUTE_MIN_SDK_VERSION,
minSdkValue, projectApiLevel));
}
} else {
// no minSdkVersion? display a warning
System.out.println(
"WARNING: No minSdkVersion value set. Application will install on all Android versions.");
// set the target api to 1
antProject.setProperty(mTargetApiOut, "1");
}
} catch (XPathExpressionException e) {
throw new BuildException(e);
} catch (FileNotFoundException e) {
throw new BuildException(e);
}
}
private void processReferencedLibraries(Project antProject, IAndroidTarget androidTarget) {
// prepare several paths for future tasks
Path rootPath = new Path(antProject);
Path resPath = new Path(antProject);
Path libsPath = new Path(antProject);
Path jarsPath = new Path(antProject);
StringBuilder packageStrBuilder = new StringBuilder();
FilenameFilter filter = new FilenameFilter() {
public boolean accept(File dir, String name) {
return name.toLowerCase().endsWith(".jar");
}
};
System.out.println("\n------------------\nResolving library dependencies:");
ArrayList<File> libraries = getProjectLibraries(antProject);
if (libraries.size() > 0) {
System.out.println("------------------\nOrdered libraries:");
for (File library : libraries) {
String libRootPath = library.getAbsolutePath();
System.out.println(libRootPath);
// get the root path.
PathElement element = rootPath.createPathElement();
element.setPath(libRootPath);
// get the res path. Always $PROJECT/res
element = resPath.createPathElement();
element.setPath(libRootPath + "/" + SdkConstants.FD_RESOURCES);
// get the libs path. Always $PROJECT/libs
element = libsPath.createPathElement();
element.setPath(libRootPath + "/" + SdkConstants.FD_NATIVE_LIBS);
// get the jars from it too.
// 1. the library code jar
element = jarsPath.createPathElement();
element.setPath(libRootPath + "/" + SdkConstants.FD_OUTPUT +
"/" + SdkConstants.FN_CLASSES_JAR);
// 2. the 3rd party jar files
File libsFolder = new File(library, SdkConstants.FD_NATIVE_LIBS);
File[] jarFiles = libsFolder.listFiles(filter);
if (jarFiles != null) {
for (File jarFile : jarFiles) {
element = jarsPath.createPathElement();
element.setPath(jarFile.getAbsolutePath());
}
}
// get the package from the manifest.
FileWrapper manifest = new FileWrapper(library,
SdkConstants.FN_ANDROID_MANIFEST_XML);
try {
String value = AndroidManifest.getPackage(manifest);
if (value != null) { // aapt will complain if it's missing.
packageStrBuilder.append(';');
packageStrBuilder.append(value);
}
} catch (Exception e) {
throw new BuildException(e);
}
}
} else {
System.out.println("No library dependencies.\n");
}
System.out.println("------------------\n");
// even with no libraries, always setup these so that various tasks in Ant don't complain
// (the task themselves can handle a ref to an empty Path)
antProject.addReference(mProjectLibrariesJarsOut, jarsPath);
antProject.addReference(mProjectLibrariesLibsOut, libsPath);
// the rest is done only if there's a library.
if (jarsPath.list().length > 0) {
antProject.addReference(mProjectLibrariesRootOut, rootPath);
antProject.addReference(mProjectLibrariesResOut, resPath);
antProject.setProperty(mProjectLibrariesPackageOut, packageStrBuilder.toString());
}
}
/**
* Returns all the library dependencies of a given Ant project.
* @param antProject the Ant project
* @return a list of properties, sorted from highest priority to lowest.
*/
private ArrayList<File> getProjectLibraries(final Project antProject) {
ArrayList<File> libraries = new ArrayList<File>();
File baseDir = antProject.getBaseDir();
// get the top level list of library dependencies.
List<File> topLevelLibraries = getDirectDependencies(baseDir, new IPropertySource() {
public String getProperty(String name) {
return antProject.getProperty(name);
}
});
// process the libraries in case they depend on other libraries.
resolveFullLibraryDependencies(topLevelLibraries, libraries);
return libraries;
}
/**
* Resolves a given list of libraries, finds out if they depend on other libraries, and
* returns a full list of all the direct and indirect dependencies in the proper order (first
* is higher priority when calling aapt).
* @param inLibraries the libraries to resolve
* @param outLibraries where to store all the libraries.
*/
private void resolveFullLibraryDependencies(List<File> inLibraries, List<File> outLibraries) {
// loop in the inverse order to resolve dependencies on the libraries, so that if a library
// is required by two higher level libraries it can be inserted in the correct place
for (int i = inLibraries.size() - 1 ; i >= 0 ; i--) {
File library = inLibraries.get(i);
// get the default.property file for it
final ProjectProperties projectProp = ProjectProperties.load(
new FolderWrapper(library), PropertyType.PROJECT);
// get its libraries
List<File> dependencies = getDirectDependencies(library, new IPropertySource() {
public String getProperty(String name) {
return projectProp.getProperty(name);
}
});
// resolve the dependencies for those libraries
resolveFullLibraryDependencies(dependencies, outLibraries);
// and add the current one (if needed) in front (higher priority)
if (outLibraries.contains(library) == false) {
outLibraries.add(0, library);
}
}
}
public interface IPropertySource {
String getProperty(String name);
}
/**
* Returns the top level library dependencies of a given <var>source</var> representing a
* project properties.
* @param baseFolder the base folder of the project (to resolve relative paths)
* @param source a source of project properties.
*/
private List<File> getDirectDependencies(File baseFolder, IPropertySource source) {
ArrayList<File> libraries = new ArrayList<File>();
// first build the list. they are ordered highest priority first.
int index = 1;
while (true) {
String propName = ProjectProperties.PROPERTY_LIB_REF + Integer.toString(index++);
String rootPath = source.getProperty(propName);
if (rootPath == null) {
break;
}
try {
File library = new File(baseFolder, rootPath).getCanonicalFile();
// check for validity
File projectProp = new File(library, PropertyType.PROJECT.getFilename());
if (projectProp.isFile() == false) {
// error!
throw new BuildException(String.format(
"%1$s resolve to a path with no %2$s file for project %3$s", rootPath,
PropertyType.PROJECT.getFilename(), baseFolder.getAbsolutePath()));
}
if (libraries.contains(library) == false) {
System.out.println(String.format("%1$s: %2$s => %3$s",
baseFolder.getAbsolutePath(), rootPath, library.getAbsolutePath()));
libraries.add(library);
}
} catch (IOException e) {
throw new BuildException("Failed to resolve library path: " + rootPath, e);
}
}
return libraries;
}
/**
* Returns the Ant version as a {@link DeweyDecimal} object.
*
* This is based on the implementation of
* org.apache.tools.ant.taskdefs.condition.AntVersion.getVersion()
*
* @param antProject the current ant project.
* @return the ant version.
*/
private DeweyDecimal getVersion(Project antProject) {
char[] versionString = antProject.getProperty("ant.version").toCharArray();
StringBuilder sb = new StringBuilder();
boolean foundFirstDigit = false;
for (int i = 0; i < versionString.length; i++) {
if (Character.isDigit(versionString[i])) {
sb.append(versionString[i]);
foundFirstDigit = true;
}
if (versionString[i] == '.' && foundFirstDigit) {
sb.append(versionString[i]);
}
if (Character.isLetter(versionString[i]) && foundFirstDigit) {
break;
}
}
return new DeweyDecimal(sb.toString());
}
}
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