private List<URL> generateExecutionClasspath(
Set<Artifact> resolvedArtifacts, String... excludeGroups) throws MojoExecutionException {
/*
* Convert each resolved artifact into a URL/classpath element.
*/
final ArrayList<URL> classpath = new ArrayList<URL>();
final List<String> excludes = Arrays.asList(excludeGroups);
try {
for (Artifact resolvedArtifact : resolvedArtifacts) {
if (excludes.contains(resolvedArtifact.getGroupId())) continue;
final File file = resolvedArtifact.getFile();
// System.out.println("artifact " + resolvedArtifact.toString());
if (file != null) {
if (artifactIdsToInsertAtStartOfClasspath.contains(resolvedArtifact.getArtifactId())) {
getLog().info("adding at the start" + file.getAbsolutePath());
// a patch? grails is full of them, insert it at the start
classpath.add(0, file.toURI().toURL());
} else { // insert it at the end
classpath.add(file.toURI().toURL());
}
}
}
} catch (MalformedURLException murle) {
throw new MojoExecutionException("Unable to find files", murle);
}
return classpath;
}
private void resolveClasspath() throws MojoExecutionException {
parsePatchArtifacts();
getLog()
.info(
"Resolving dependencies"
+ (useTransitives
? ""
: " - warning! we are not using transitive dependencies, only those directly in the pom.xml"));
resolvedArtifacts = collectAllProjectArtifacts();
/*
* Remove any Grails plugins that may be in the resolved artifact set. This is because we
* do not need them on the classpath, as they will be handled later on by a separate call to
* "install" them.
*/
pluginArtifacts = removePluginArtifacts(resolvedArtifacts);
pluginDirectories = new ArrayList<File>();
for (Artifact artifact : pluginArtifacts)
pluginDirectories.add(getPluginDirAndInstallIfNecessary(artifact));
if (getLog().isInfoEnabled()) {
for (File f : pluginDirectories) {
getLog().info("plugin: " + f.getAbsolutePath());
}
}
classpath = generateGrailsExecutionClasspath(resolvedArtifacts);
System.gc();
}
private File getPluginTargetDirOverride(Artifact plugin) {
String pluginLocationOverride =
System.getProperty(plugin.getGroupId() + ":" + plugin.getArtifactId());
File targetDir = null;
if (pluginLocationOverride != null && pluginLocationOverride.length() > 0) {
targetDir = new File(pluginLocationOverride);
if (!targetDir.exists()) {
getLog()
.error(
String.format(
"Specified directory (%s) for plugin %s:%s:%s could not be found",
pluginLocationOverride,
plugin.getGroupId(),
plugin.getArtifactId(),
plugin.getVersion()));
targetDir = null;
}
}
return targetDir;
}
private void printIntellijIDEASettings(
DecentGrailsLauncher launcher, Field settingsField, Set<Artifact> pluginArtifacts) {
try {
Object settings = settingsField.get(launcher);
Field configField = settings.getClass().getSuperclass().getDeclaredField("config");
configField.setAccessible(true);
Object config = configField.get(settings);
Map flatten = (Map) config.getClass().getDeclaredMethod("flatten").invoke(config);
System.out.println();
System.out.println(SETTINGS_START_MARKER);
for (Object key : flatten.keySet()) {
Object value = flatten.get(key);
if (value instanceof String || value instanceof GString) {
String realKey = key.toString();
if (GRAILS_PROPERTY_LIST.contains(realKey)) {
System.out.println(realKey + "=" + value.toString().replace('\\', '/'));
}
}
}
for (Artifact plugin : pluginArtifacts) {
File targetDir = getPluginTargetDir(plugin);
System.out.println(
"grails.plugin.location."
+ getPluginName(plugin)
+ "="
+ targetDir.getAbsolutePath().replace('\\', '/'));
}
System.out.println();
System.out.println(SETTINGS_END_MARKER);
} catch (Exception ex) {
getLog().error("Unable to get flattened configuration data", ex);
}
}
/**
* Generates the classpath to be used by the launcher to execute the requested Grails script.
*
* @return An array of {@code URL} objects representing the dependencies required on the classpath
* to execute the selected Grails script.
* @throws MojoExecutionException if an error occurs while attempting to resolve the dependencies
* and generate the classpath array.
*/
@SuppressWarnings("unchecked")
private URL[] generateGrailsExecutionClasspath(Set<Artifact> resolvedArtifacts)
throws MojoExecutionException {
try {
final List<URL> classpath = generateExecutionClasspath(resolvedArtifacts);
// check to see if someone is adding build listeners on the classpath, and if so, bring in the
// system classpath and add it to our urls
// IDEA for example does this
if (System.getProperty("grails.build.listeners") != null) {
String cp = System.getProperty("java.class.path");
for (String c : cp.split(":")) {
File f = new File(c);
if (f.exists()) classpath.add(f.toURI().toURL());
}
}
if (System.getProperty("grails.debug.classpath") != null) {
for (URL url : classpath) {
getLog().info("classpath " + url.toString());
}
}
/*
* Add the "tools.jar" to the classpath so that the Grails scripts can run native2ascii.
* First assume that "java.home" points to a JRE within a JDK. NOTE that this will not
* provide a valid path on Mac OSX. This is not a big deal, as the JDK on Mac OSX already
* adds the required JAR's to the classpath. This logic is really only for Windows/*Unix.
*/
final String javaHome = System.getProperty("java.home");
File toolsJar = new File(javaHome, "../lib/tools.jar");
if (!toolsJar.exists()) {
// The "tools.jar" cannot be found with that path, so
// now try with the assumption that "java.home" points
// to a JDK.
toolsJar = new File(javaHome, "tools.jar");
}
if (toolsJar.exists()) {
java.net.URL url = toolsJar.toURI().toURL();
if (url != null) {
classpath.add(url);
}
}
return classpath.toArray(new URL[classpath.size()]);
} catch (final Exception e) {
throw new MojoExecutionException("Failed to create classpath for Grails execution.", e);
}
}
private String readFileAsString(File file) throws java.io.IOException {
byte[] buffer = new byte[(int) file.length()];
BufferedInputStream bis = null;
try {
bis = new BufferedInputStream(new FileInputStream(file));
bis.read(buffer);
} finally {
if (bis != null)
try {
bis.close();
} catch (IOException ignored) {
}
}
return new String(buffer);
}
// we only need to do these once as they don't change
private void doOncePerArtifact() throws MojoExecutionException {
lastArtifactId = project.getArtifactId();
lastGroupId = project.getGroupId();
configureMavenProxy();
resolveClasspath();
// printClasspath("main", Arrays.asList(classpath));
grailsHomePath = (grailsHome != null) ? grailsHome.getAbsolutePath() : null;
if (isWindows()) { // force console and interactive on to get around _GrailsRun.groovy windows
// bug where attaches to grailsConsole.reader.add...
System.setProperty("grails.console.enable.terminal", "true");
System.setProperty("grails.console.enable.interactive", "true");
} else {
if (System.getProperty("grails.console.enable.terminal") == null)
System.setProperty("grails.console.enable.terminal", "true");
if (System.getProperty("grails.console.enable.interactive") == null)
System.setProperty("grails.console.enable.interactive", "true");
}
// override the servlet factory if it is specified
if (this.servletServerFactory != null) {
System.setProperty("grails.server.factory", this.servletServerFactory);
}
// see if we are using logback and not log4j
// final String logbackFilename = this.getBasedir() + "/logback.xml";
//
// if (new File(logbackFilename).exists()) {
// getLog().info("Found logback configuration, setting logback.xml to " + logbackFilename);
//
// System.setProperty("logback.configurationFile", logbackFilename);
// }
}
/**
* Executes the requested Grails target. The "targetName" must match a known Grails script
* provided by grails-scripts.
*
* @param targetName The name of the Grails target to execute.
* @param args String of arguments to be passed to the executed Grails target.
* @throws MojoExecutionException if an error occurs while attempting to execute the target.
*/
protected void runGrails(final String targetName, String args) throws MojoExecutionException {
if (((lastArgs != null && lastArgs.equals(args)) || (lastArgs == null && args == null))
&& lastTargetName != null
&& lastTargetName.equals(targetName)) return;
lastArgs = args;
lastTargetName = targetName;
if (!alreadyLoaderClasspathForArtifact()) doOncePerArtifact();
else if (targetName.equals("War")) resolveClasspath(); // we have to get rid of the test rubbish
getLog()
.info(
"Grails target: "
+ targetName
+ " raw args:"
+ args
+ " (pom says Grails Version is "
+ grailsVersion
+ ")");
InputStream currentIn = System.in;
PrintStream currentOutput = System.out;
try {
RootLoader rootLoader = new RootLoader(addBinaryPluginWorkaround(classpath));
// see if log4j is there and if so, initialize it
try {
Class cls = rootLoader.loadClass("org.springframework.util.Log4jConfigurer");
invokeStaticMethod(
cls, "initLogging", new Object[] {"classpath:grails-maven/log4j.properties"});
} catch (Exception ex) {
getLog().info("No log4j available, good!");
}
try {
final DecentGrailsLauncher launcher =
new DecentGrailsLauncher(rootLoader, grailsHomePath, basedir.getAbsolutePath());
launcher.setPlainOutput(true);
/**
* this collects the different dependency levels (compile, runtime, test) and puts them into
* the correct arrays to pass through to the Grails script launcher. If using Maven, you
* should *never* see an Ivy message and if you do, immediately stop your build, figure out
* the incorrect dependency, delete the ~/.ivy2 directory and try again.
*/
Field settingsField = launcher.getClass().getDeclaredField("settings");
settingsField.setAccessible(true);
configureBuildSettings(
launcher,
resolvedArtifacts,
settingsField,
rootLoader.loadClass("grails.util.BuildSettings"),
args);
syncAppVersion();
installGrailsPlugins(
pluginDirectories,
launcher,
settingsField,
rootLoader.loadClass("grails.util.AbstractBuildSettings"));
// If the command is running in non-interactive mode, we
// need to pass on the relevant argument.
if (this.nonInteractive) {
args = (args != null) ? "--non-interactive " + args : "--non-interactive ";
}
// consuming the standard output after execution via Maven.
args = (args != null) ? "--plain-output " + args : "--plain-output";
args = (args != null) ? "--stacktrace " + args : "--stacktrace";
args = (args != null) ? "--verboseCompile " + args : "--verboseCompile";
if (env == null) System.clearProperty("grails.env");
else System.setProperty("grails.env", env);
getLog()
.info(
"grails -Dgrails.env="
+ (env == null ? "dev" : env)
+ " "
+ targetName.toLowerCase()
+ " "
+ args);
int retval;
if ("true".equals(System.getProperty("print.grails.settings"))
|| "ideaprintprojectsettings".equalsIgnoreCase(targetName)) {
printIntellijIDEASettings(launcher, settingsField, pluginArtifacts);
} else {
if ("interactive".equals(targetName)) retval = launcher.launch("", "", env);
else retval = launcher.launch(targetName, args, env);
if (retval != 0) {
throw new MojoExecutionException("Grails returned non-zero value: " + retval);
}
}
} catch (final MojoExecutionException ex) {
// Simply rethrow it.
throw ex;
} catch (final Exception ex) {
getLog().error(ex);
throw new MojoExecutionException("Unable to start Grails", ex);
}
rootLoader = null;
} catch (MalformedURLException mfe) {
throw new MojoExecutionException("Unable to start Grails", mfe);
} finally {
System.setIn(currentIn);
System.setOut(currentOutput);
}
System.gc(); // try and help with memory issues
}
private File getPluginDirAndInstallIfNecessary(final Artifact plugin)
throws MojoExecutionException {
boolean targetDirOverridden = true;
File targetDir = getPluginTargetDirOverride(plugin);
if (targetDir == null) {
targetDirOverridden = false;
targetDir = getPluginTargetDirCentral(plugin);
}
String pluginName = getPluginName(plugin);
final String pluginVersion = plugin.getVersion();
boolean snapshot = pluginVersion.endsWith("-SNAPSHOT");
if (snapshot
&& plugin
.getFile()
.getAbsolutePath()
.endsWith("target" + File.separator + "classes")) { // multi module build
targetDir = plugin.getFile().getParentFile().getParentFile();
getLog()
.info(
String.format(
"Plugin %s:%s is coming from a multi-module dependency (%s)",
pluginName, pluginVersion, targetDir.getAbsolutePath()));
} else if ((!snapshot && !targetDir.exists()) || (snapshot && !targetDirOverridden)) {
// Unpack the plugin if it hasn't already been or if its a SNAPSHOT and not overridden by
// -Dflag
// Ideally we need to now do two things (a) see if we are running JDK7
// and (b) determine if -Dplugin.groupId.artifactId has been set - if this is so, we want to
// do a Files.createLink
// to the directory specified by the -D flag. We should probably also check if the targetDir
// is a link and
// the -Dflag hasn't been set, in which case we'd want to remove the link and install the
// plugin (and let the user
// know this has happened.
// We wouldn't actually want this to be allowed when doing a release however.... So people
// should make sure they don't
// specify them, they they'll be installed.
getLog()
.info(
String.format(
"Installing Plugin %s:%s into (%s)",
pluginName, pluginVersion, targetDir.getAbsolutePath()));
targetDir.mkdirs();
final ZipUnArchiver unzipper = new ZipUnArchiver();
unzipper.enableLogging(new ConsoleLogger(Logger.LEVEL_ERROR, "zip-unarchiver"));
unzipper.setSourceFile(plugin.getFile());
unzipper.setDestDirectory(targetDir);
unzipper.setOverwrite(true);
try {
unzipper.extract();
} catch (ArchiverException e) {
throw new MojoExecutionException("Unable to extract zip", e);
}
try {
File inputPom =
new File(plugin.getFile().getParentFile(), pluginName + "-" + pluginVersion + ".pom");
File outputPom = new File(targetDir, "pom.xml");
getLog()
.info(
String.format(
"copying %s to %s", inputPom.getAbsolutePath(), outputPom.getAbsolutePath()));
FileReader fr = new FileReader(inputPom);
FileWriter fw = new FileWriter(outputPom);
IOUtils.copy(fr, fw);
fw.flush();
fw.close();
fr.close();
} catch (IOException e) {
throw new MojoExecutionException("Unable to copy pom.xml file");
}
} else {
getLog()
.info(
String.format(
"Plugin %s:%s already installed (%s)",
pluginName, pluginVersion, targetDir.getAbsolutePath()));
}
return targetDir;
}