package net.sourceforge.pmd.eclipse.runtime.builder;
import org.eclipse.core.resources.ICommand;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IProjectDescription;
import org.eclipse.core.resources.IProjectNature;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
/**
* A project nature for PMD. Add a PMDBuilder to a project
*
* @author Philippe Herlin
*
*/
public class PMDNature implements IProjectNature {
public static final String PMD_NATURE = "net.sourceforge.pmd.eclipse.plugin.pmdNature";
private IProject project;
/**
* @see org.eclipse.core.resources.IProjectNature#configure()
*/
public void configure() throws CoreException {
IProjectDescription description = project.getDescription();
ICommand[] commands = description.getBuildSpec();
if (!pmdBuilderFound(commands)) {
ICommand pmdBuilderCommand = description.newCommand();
pmdBuilderCommand.setBuilderName(PMDBuilder.PMD_BUILDER);
ICommand[] newCommands = new ICommand[commands.length + 1];
System.arraycopy(commands, 0, newCommands, 0, commands.length);
newCommands[commands.length] = pmdBuilderCommand;
description.setBuildSpec(newCommands);
project.setDescription(description, null);
}
}
/**
* @see org.eclipse.core.resources.IProjectNature#deconfigure()
*/
public void deconfigure() throws CoreException {
IProjectDescription description = project.getDescription();
ICommand[] commands = description.getBuildSpec();
if (pmdBuilderFound(commands)) {
ICommand[] newCommands = new ICommand[commands.length - 1];
for (int i = 0, j = 0; i < commands.length; i++) {
if (!commands[i].getBuilderName().equals(PMDBuilder.PMD_BUILDER)) {
newCommands[j++] = commands[i];
}
}
description.setBuildSpec(newCommands);
project.setDescription(description, null);
}
}
/**
* @see org.eclipse.core.resources.IProjectNature#getProject()
*/
public IProject getProject() {
return project;
}
/**
* @see org.eclipse.core.resources.IProjectNature#setProject(IProject)
*/
public void setProject(IProject project) {
this.project = project;
}
/**
* Add the PMD Nature to a project
* @param project a project to set the PMD Nature
* @param monitor a progress monitor
* @return success true if the nature has been correctly set; false means
* the project already had PMD nature.
* @throws CoreException if any error occurs
*/
public static boolean addPMDNature(final IProject project, final IProgressMonitor monitor) throws CoreException {
boolean success = false;
if (!project.hasNature(PMD_NATURE)) {
final IProjectDescription description = project.getDescription();
final String[] natureIds = description.getNatureIds();
String[] newNatureIds = new String[natureIds.length + 1];
System.arraycopy(natureIds, 0, newNatureIds, 0, natureIds.length);
newNatureIds[natureIds.length] = PMD_NATURE;
description.setNatureIds(newNatureIds);
project.setDescription(description, monitor);
success = true;
}
return success;
}
/**
* Remove the PMD Nature from a project
* @param project a project to remove the PMD Nature
* @param monitor a progress monitor
* @return success true if the nature has been removed; false means the
* project already had not the PMD Nature.
* @throws CoreException if any error occurs.
*/
public static boolean removePMDNature(final IProject project, final IProgressMonitor monitor) throws CoreException {
boolean success = false;
if (project.hasNature(PMD_NATURE)) {
final IProjectDescription description = project.getDescription();
final String[] natureIds = description.getNatureIds();
String[] newNatureIds = new String[natureIds.length - 1];
for (int i = 0, j = 0; i < natureIds.length; i++) {
if (!natureIds[i].equals(PMD_NATURE)) {
newNatureIds[j++] = natureIds[i];
}
}
description.setNatureIds(newNatureIds);
project.setDescription(description, monitor);
MarkerUtil.deleteAllMarkersIn(project);
}
return success;
}
/**
* Check if PMD builder is already in command list
* @param commands a command list
*/
private boolean pmdBuilderFound(ICommand[] commands) {
for (ICommand command: commands) {
if (command.getBuilderName().equals(PMDBuilder.PMD_BUILDER)) {
return true;
}
}
return false;
}
}