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;
}
