public ClassRealm getPluginClassRealm(MavenSession session, MojoExecution mojoExecution)
throws CoreException {
IMaven mvn = MavenPlugin.getMaven();
// call for side effect of ensuring that the realm is set in the
// descriptor.
mvn.getConfiguredMojo(session, mojoExecution, Mojo.class);
MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();
return mojoDescriptor.getPluginDescriptor().getClassRealm();
}
/** {@inheritDoc} */
public boolean equals(Object object) {
if (this == object) {
return true;
}
if (object instanceof MojoDescriptor) {
MojoDescriptor other = (MojoDescriptor) object;
if (!compareObjects(getPluginDescriptor(), other.getPluginDescriptor())) {
return false;
}
if (!compareObjects(getGoal(), other.getGoal())) {
return false;
}
return true;
}
return false;
}
/**
* Find and configure a mojor.
*
* @param coords Maven coordinates, e.g. "com.qulice:maven-qulice-plugin:1.0"
* @param goal Maven plugin goal to execute
* @param config The configuration to set
* @throws ValidationException If something is wrong inside
*/
public void execute(final String coords, final String goal, final Properties config)
throws ValidationException {
final Plugin plugin = new Plugin();
final String[] sectors = StringUtils.split(coords, ':');
plugin.setGroupId(sectors[0]);
plugin.setArtifactId(sectors[1]);
plugin.setVersion(sectors[2]);
final MojoDescriptor descriptor = this.descriptor(plugin, goal);
try {
this.helper.setupPluginRealm(
descriptor.getPluginDescriptor(),
this.session,
Thread.currentThread().getContextClassLoader(),
new LinkedList<String>(),
new LinkedList<String>());
} catch (final PluginResolutionException ex) {
throw new IllegalStateException("Plugin resolution problem", ex);
} catch (final PluginContainerException ex) {
throw new IllegalStateException("Can't setup realm", ex);
}
final Xpp3Dom xpp =
Xpp3Dom.mergeXpp3Dom(
this.toXppDom(config, "configuration"),
this.toXppDom(descriptor.getMojoConfiguration()));
final MojoExecution execution = new MojoExecution(descriptor, xpp);
final Mojo mojo = this.mojo(execution);
Logger.info(this, "Calling %s:%s...", coords, goal);
try {
mojo.execute();
} catch (final MojoExecutionException ex) {
throw new IllegalArgumentException(ex);
} catch (final MojoFailureException ex) {
throw new ValidationException(ex);
}
this.manager.releaseMojo(mojo, execution);
}
public Object evaluate(String expr, Class<?> type) throws ExpressionEvaluationException {
Object value = null;
if (expr == null) {
return null;
}
String expression = stripTokens(expr);
if (expression.equals(expr)) {
int index = expr.indexOf("${");
if (index >= 0) {
int lastIndex = expr.indexOf("}", index);
if (lastIndex >= 0) {
String retVal = expr.substring(0, index);
if ((index > 0) && (expr.charAt(index - 1) == '$')) {
retVal += expr.substring(index + 1, lastIndex + 1);
} else {
Object subResult = evaluate(expr.substring(index, lastIndex + 1));
if (subResult != null) {
retVal += subResult;
} else {
retVal += "$" + expr.substring(index + 1, lastIndex + 1);
}
}
retVal += evaluate(expr.substring(lastIndex + 1));
return retVal;
}
}
// Was not an expression
if (expression.contains("$$")) {
return expression.replaceAll("\\$\\$", "\\$");
} else {
return expression;
}
}
MojoDescriptor mojoDescriptor = mojoExecution.getMojoDescriptor();
if ("localRepository".equals(expression)) {
value = session.getLocalRepository();
} else if ("session".equals(expression)) {
value = session;
} else if (expression.startsWith("session")) {
try {
int pathSeparator = expression.indexOf("/");
if (pathSeparator > 0) {
String pathExpression = expression.substring(1, pathSeparator);
value = ReflectionValueExtractor.evaluate(pathExpression, session);
value = value + expression.substring(pathSeparator);
} else {
value = ReflectionValueExtractor.evaluate(expression.substring(1), session);
}
} catch (Exception e) {
// TODO: don't catch exception
throw new ExpressionEvaluationException(
"Error evaluating plugin parameter expression: " + expression, e);
}
} else if ("reactorProjects".equals(expression)) {
value = session.getProjects();
} else if ("mojoExecution".equals(expression)) {
value = mojoExecution;
} else if ("project".equals(expression)) {
value = project;
} else if ("executedProject".equals(expression)) {
value = project.getExecutionProject();
} else if (expression.startsWith("project") || expression.startsWith("pom")) {
try {
int pathSeparator = expression.indexOf("/");
if (pathSeparator > 0) {
String pathExpression = expression.substring(0, pathSeparator);
value = ReflectionValueExtractor.evaluate(pathExpression, project);
value = value + expression.substring(pathSeparator);
} else {
value = ReflectionValueExtractor.evaluate(expression.substring(1), project);
}
} catch (Exception e) {
// TODO: don't catch exception
throw new ExpressionEvaluationException(
"Error evaluating plugin parameter expression: " + expression, e);
}
} else if (expression.equals("repositorySystemSession")) {
value = session.getRepositorySession();
} else if (expression.equals("mojo")) {
value = mojoExecution;
} else if (expression.startsWith("mojo")) {
try {
int pathSeparator = expression.indexOf("/");
if (pathSeparator > 0) {
String pathExpression = expression.substring(1, pathSeparator);
value = ReflectionValueExtractor.evaluate(pathExpression, mojoExecution);
value = value + expression.substring(pathSeparator);
} else {
value = ReflectionValueExtractor.evaluate(expression.substring(1), mojoExecution);
}
} catch (Exception e) {
// TODO: don't catch exception
throw new ExpressionEvaluationException(
"Error evaluating plugin parameter expression: " + expression, e);
}
} else if (expression.equals("plugin")) {
value = mojoDescriptor.getPluginDescriptor();
} else if (expression.startsWith("plugin")) {
try {
int pathSeparator = expression.indexOf("/");
PluginDescriptor pluginDescriptor = mojoDescriptor.getPluginDescriptor();
if (pathSeparator > 0) {
String pathExpression = expression.substring(1, pathSeparator);
value = ReflectionValueExtractor.evaluate(pathExpression, pluginDescriptor);
value = value + expression.substring(pathSeparator);
} else {
value = ReflectionValueExtractor.evaluate(expression.substring(1), pluginDescriptor);
}
} catch (Exception e) {
throw new ExpressionEvaluationException(
"Error evaluating plugin parameter expression: " + expression, e);
}
} else if ("settings".equals(expression)) {
value = session.getSettings();
} else if (expression.startsWith("settings")) {
try {
int pathSeparator = expression.indexOf("/");
if (pathSeparator > 0) {
String pathExpression = expression.substring(1, pathSeparator);
value = ReflectionValueExtractor.evaluate(pathExpression, session.getSettings());
value = value + expression.substring(pathSeparator);
} else {
value = ReflectionValueExtractor.evaluate(expression.substring(1), session.getSettings());
}
} catch (Exception e) {
// TODO: don't catch exception
throw new ExpressionEvaluationException(
"Error evaluating plugin parameter expression: " + expression, e);
}
} else if ("basedir".equals(expression)) {
value = basedir;
} else if (expression.startsWith("basedir")) {
int pathSeparator = expression.indexOf("/");
if (pathSeparator > 0) {
value = basedir + expression.substring(pathSeparator);
}
}
/*
* MNG-4312: We neither have reserved all of the above magic expressions nor is their set fixed/well-known (it
* gets occasionally extended by newer Maven versions). This imposes the risk for existing plugins to
* unintentionally use such a magic expression for an ordinary system property. So here we check whether we
* ended up with a magic value that is not compatible with the type of the configured mojo parameter (a string
* could still be converted by the configurator so we leave those alone). If so, back off to evaluating the
* expression from properties only.
*/
if (value != null
&& type != null
&& !(value instanceof String)
&& !isTypeCompatible(type, value)) {
value = null;
}
if (value == null) {
// The CLI should win for defining properties
if ((value == null) && (properties != null)) {
// We will attempt to get nab a system property as a way to specify a
// parameter to a plugins. My particular case here is allowing the surefire
// plugin to run a single test so I want to specify that class on the cli
// as a parameter.
value = properties.getProperty(expression);
}
if ((value == null) && ((project != null) && (project.getProperties() != null))) {
value = project.getProperties().getProperty(expression);
}
}
if (value instanceof String) {
// TODO: without #, this could just be an evaluate call...
String val = (String) value;
int exprStartDelimiter = val.indexOf("${");
if (exprStartDelimiter >= 0) {
if (exprStartDelimiter > 0) {
value =
val.substring(0, exprStartDelimiter) + evaluate(val.substring(exprStartDelimiter));
} else {
value = evaluate(val.substring(exprStartDelimiter));
}
}
}
return value;
}
public Map<String, List<MojoExecution>> calculateLifecycleMappings(
MavenSession session, MavenProject project, Lifecycle lifecycle, String lifecyclePhase)
throws PluginNotFoundException, PluginResolutionException, PluginDescriptorParsingException,
MojoNotFoundException, InvalidPluginDescriptorException {
/*
* Initialize mapping from lifecycle phase to bound mojos. The key set of this map denotes the phases the caller
* is interested in, i.e. all phases up to and including the specified phase.
*/
Map<String, Map<Integer, List<MojoExecution>>> mappings =
new LinkedHashMap<String, Map<Integer, List<MojoExecution>>>();
for (String phase : lifecycle.getPhases()) {
Map<Integer, List<MojoExecution>> phaseBindings = new TreeMap<Integer, List<MojoExecution>>();
mappings.put(phase, phaseBindings);
if (phase.equals(lifecyclePhase)) {
break;
}
}
/*
* Grab plugin executions that are bound to the selected lifecycle phases from project. The effective model of
* the project already contains the plugin executions induced by the project's packaging type. Remember, all
* phases of interest and only those are in the lifecyle mapping, if a phase has no value in the map, we are not
* interested in any of the executions bound to it.
*/
for (Plugin plugin : project.getBuild().getPlugins()) {
for (PluginExecution execution : plugin.getExecutions()) {
// if the phase is specified then I don't have to go fetch the plugin yet and pull it down
// to examine the phase it is associated to.
if (execution.getPhase() != null) {
Map<Integer, List<MojoExecution>> phaseBindings = mappings.get(execution.getPhase());
if (phaseBindings != null) {
for (String goal : execution.getGoals()) {
MojoExecution mojoExecution = new MojoExecution(plugin, goal, execution.getId());
mojoExecution.setLifecyclePhase(execution.getPhase());
addMojoExecution(phaseBindings, mojoExecution, execution.getPriority());
}
}
}
// if not then i need to grab the mojo descriptor and look at the phase that is specified
else {
for (String goal : execution.getGoals()) {
MojoDescriptor mojoDescriptor =
pluginManager.getMojoDescriptor(
plugin,
goal,
project.getRemotePluginRepositories(),
session.getRepositorySession());
Map<Integer, List<MojoExecution>> phaseBindings =
mappings.get(mojoDescriptor.getPhase());
if (phaseBindings != null) {
MojoExecution mojoExecution = new MojoExecution(mojoDescriptor, execution.getId());
mojoExecution.setLifecyclePhase(mojoDescriptor.getPhase());
addMojoExecution(phaseBindings, mojoExecution, execution.getPriority());
}
}
}
}
}
Map<String, List<MojoExecution>> lifecycleMappings =
new LinkedHashMap<String, List<MojoExecution>>();
for (Map.Entry<String, Map<Integer, List<MojoExecution>>> entry : mappings.entrySet()) {
List<MojoExecution> mojoExecutions = new ArrayList<MojoExecution>();
for (List<MojoExecution> executions : entry.getValue().values()) {
mojoExecutions.addAll(executions);
}
lifecycleMappings.put(entry.getKey(), mojoExecutions);
}
return lifecycleMappings;
}