/** {@inheritDoc} */
public Object execute(CommandLine commandLine) throws Exception {
String name = commandLine.getValue(Options.PROJECT_OPTION);
IProject project = ProjectUtils.getProject(name);
String[] aliases = StringUtils.split(commandLine.getValue(Options.NATURE_OPTION), ',');
IProjectDescription desc = project.getDescription();
String[] natureIds = desc.getNatureIds();
ArrayList<String> modified = new ArrayList<String>();
ArrayList<String> newNatures = new ArrayList<String>();
CollectionUtils.addAll(modified, natureIds);
for (String alias : aliases) {
String natureId = ProjectNatureFactory.getNatureForAlias(alias);
if (natureId != null && !modified.contains(natureId)) {
modified.add(natureId);
newNatures.add(natureId);
}
}
desc.setNatureIds((String[]) modified.toArray(new String[modified.size()]));
project.setDescription(desc, new NullProgressMonitor());
for (String nature : newNatures) {
ProjectManager manager = ProjectManagement.getProjectManager(nature);
if (manager != null) {
manager.create(project, commandLine);
}
}
return Services.getMessage("project.nature.added");
}
/**
* Gets a java project from the supplied IProject.
*
* @param project The IProject.
* @return The java project.
*/
public static IJavaProject getJavaProject(IProject project) throws Exception {
if (ProjectUtils.getPath(project) == null) {
throw new IllegalArgumentException(
Services.getMessage("project.location.null", project.getName()));
}
if (!project.hasNature(PluginResources.NATURE)) {
throw new IllegalArgumentException(
Services.getMessage(
"project.missing.nature",
project.getName(),
ProjectNatureFactory.getAliasForNature(PluginResources.NATURE)));
}
IJavaProject javaProject = JavaCore.create(project);
if (javaProject == null || !javaProject.exists()) {
throw new IllegalArgumentException(Services.getMessage("project.not.found", project));
}
return javaProject;
}