/**
* Attempts to resolve an {@link Artifact} to a {@link File}.
*
* @param artifact to resolve
* @return a {@link File} to the resolved artifact, never <code>null</code>.
* @throws MojoExecutionException if the artifact could not be resolved.
*/
protected File resolveArtifactToFile(Artifact artifact) throws MojoExecutionException {
Artifact resolvedArtifact =
AetherHelper.resolveArtifact(artifact, repoSystem, repoSession, projectRepos);
final File jar = resolvedArtifact.getFile();
if (jar == null) {
throw new MojoExecutionException(
"Could not resolve artifact "
+ artifact.getId()
+ ". Please install it with \"mvn install:install-file ...\" or deploy it to a repository "
+ "with \"mvn deploy:deploy-file ...\"");
}
return jar;
}
/**
* @throws MojoExecutionException
* @throws MojoFailureException
*/
public void execute() throws MojoExecutionException, MojoFailureException {
try {
// Validate the NDK
final File ndkBuildFile = new File(getAndroidNdk().getNdkBuildPath());
NativeHelper.validateNDKVersion(ndkBuildFile.getParentFile());
// Validate the makefile - if our packaging type is so (for example) and there are
// dependencies on .a files (or shared files for that matter) the makefile should include
// the include of our Android Maven plugin generated makefile.
validateMakefile(project, makefile);
String[] ndkArchitectures =
getAndroidNdk()
.getNdkArchitectures(
ndkClassifier, ndkArchitecture, applicationMakefile, project.getBasedir());
for (String ndkArchitecture : ndkArchitectures) {
Preparation preparation = new Preparation().invoke(ndkArchitecture);
boolean libsDirectoryExists = preparation.isLibsDirectoryExists();
File directoryToRemove = preparation.getDirectoryToRemove();
// Start setting up the command line to be executed
final CommandExecutor executor = CommandExecutor.Factory.createDefaultCommmandExecutor();
// Add an error listener to the build - this allows the build to conditionally fail
// depending on a) the output of the build b) whether or not build errors (output on stderr)
// should be
// ignored and c) whether the pattern matches or not
executor.setErrorListener(getNdkErrorListener());
final Set<Artifact> nativeLibraryArtifacts = findNativeLibraryDependencies();
// If there are any static libraries the code needs to link to, include those in the make
// file
final Set<Artifact> resolveNativeLibraryArtifacts =
AetherHelper.resolveArtifacts(
nativeLibraryArtifacts, repoSystem, repoSession, projectRepos);
if (getLog().isDebugEnabled()) {
getLog()
.debug(
"resolveArtifacts found "
+ resolveNativeLibraryArtifacts.size()
+ ": "
+ resolveNativeLibraryArtifacts.toString());
}
final File makefileDir = new File(project.getBuild().getDirectory(), NDK_MAKFILE_DIRECTORY);
makefileDir.mkdirs();
final File androidMavenMakefile = new File(makefileDir, "android_maven_plugin_makefile.mk");
// set the ndk build directory
if (ndkBuildDirectory == null) {
ndkBuildDirectory = project.getBasedir().getAbsolutePath();
}
final MakefileHelper makefileHelper =
new MakefileHelper(
getLog(), repoSystem, repoSession, projectRepos, unpackedApkLibsDirectory);
final MakefileHelper.MakefileHolder makefileHolder =
makefileHelper.createMakefileFromArtifacts(
new File(ndkBuildDirectory),
resolveNativeLibraryArtifacts,
ndkArchitecture,
useHeaderArchives);
IOUtil.copy(makefileHolder.getMakeFile(), new FileOutputStream(androidMavenMakefile));
// Add the path to the generated makefile - this is picked up by the build (by an include
// from the user)
executor.addEnvironment(
"ANDROID_MAVEN_PLUGIN_MAKEFILE", androidMavenMakefile.getAbsolutePath());
setupNativeLibraryEnvironment(
makefileHelper, executor, resolveNativeLibraryArtifacts, ndkArchitecture);
// Adds the location of the Makefile capturer file - this file will after the build include
// things like header files, flags etc. It is processed after the build to retrieve the
// headers
// and also capture flags etc ...
final File makefileCaptureFile =
File.createTempFile("android_maven_plugin_makefile_captures", ".tmp");
makefileCaptureFile.deleteOnExit();
executor.addEnvironment(
MakefileHelper.MAKEFILE_CAPTURE_FILE, makefileCaptureFile.getAbsolutePath());
// Add any defined system properties
if (systemProperties != null && !systemProperties.isEmpty()) {
for (Map.Entry<String, String> entry : systemProperties.entrySet()) {
executor.addEnvironment(entry.getKey(), entry.getValue());
}
}
executor.setLogger(this.getLog());
// Setup the command line for the make
final List<String> commands = new ArrayList<String>();
// Setup the build directory (defaults to the current directory) but may be different
// depending
// on user configuration
commands.add("-C");
commands.add(ndkBuildDirectory);
// If the build should use a custom makefile or not - some validation is done to ensure
// this exists and all
if (makefile != null) {
File makeFile = new File(project.getBasedir(), makefile);
if (!makeFile.exists()) {
getLog().error("Specified makefile " + makeFile + " does not exist");
throw new MojoExecutionException("Specified makefile " + makeFile + " does not exist");
}
commands.add("-f");
commands.add(makefile);
}
configureApplicationMakefile(commands);
configureMaxJobs(commands);
configureNdkToolchain(commands);
// Anything else on the command line the user wants to add - simply splice it up and
// add it one by one to the command line
if (ndkBuildAdditionalCommandline != null) {
String[] additionalCommands = ndkBuildAdditionalCommandline.split(" ");
for (final String command : additionalCommands) {
commands.add(command);
}
}
// If a build target is specified, tag that onto the command line as the
// very last of the parameters
if (target != null) {
commands.add(target);
} else /*if ( "a".equals( project.getPackaging() ) )*/ {
commands.add(project.getArtifactId());
}
final String ndkBuildPath = resolveNdkBuildExecutable();
getLog().info(ndkBuildPath + " " + commands.toString());
executor.executeCommand(ndkBuildPath, commands, project.getBasedir(), true);
cleanUp(
preparation.getNativeLibDirectory(),
ndkArchitecture,
libsDirectoryExists,
directoryToRemove,
makefileHolder,
makefileCaptureFile);
}
} catch (MojoExecutionException e) {
getLog().error("Error during build: " + e.getMessage(), e);
throw e;
} catch (Exception e) {
getLog().error("Error while executing: " + e.getMessage());
throw new MojoExecutionException(e.getMessage(), e);
}
}