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/*******************************************************************************
* Copyright (c) 2002, 2011 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Rational Software - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.managedbuilder.core;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Vector;
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;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Plugin;
/**
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public class ManagedCProjectNature implements IProjectNature {
public static final String BUILDER_NAME = "genmakebuilder"; //$NON-NLS-1$
public static final String BUILDER_ID = ManagedBuilderCorePlugin.getUniqueIdentifier() + "." + BUILDER_NAME; //$NON-NLS-1$
public static final String MNG_NATURE_ID = ManagedBuilderCorePlugin.getUniqueIdentifier() + ".managedBuildNature"; //$NON-NLS-1$
private IProject project;
/**
* Utility method for adding a managed nature to a project.
*
* @param project the project to add the managed nature to.
* @param monitor a progress monitor to indicate the duration of the operation, or
* <code>null</code> if progress reporting is not required.
*/
public static void addManagedNature(IProject project, IProgressMonitor monitor) throws CoreException {
addNature(project, MNG_NATURE_ID, monitor);
}
public static void addManagedBuilder(IProject project, IProgressMonitor monitor) throws CoreException {
// Add the builder to the project
IProjectDescription description = project.getDescription();
ICommand[] commands = description.getBuildSpec();
// TODO Remove this when the new StandardBuild nature adds the cbuilder
for (int i = 0; i < commands.length; i++) {
ICommand command = commands[i];
if (command.getBuilderName().equals("org.eclipse.cdt.core.cbuilder")) { //$NON-NLS-1$
// Remove the command
Vector<ICommand> vec = new Vector<>(Arrays.asList(commands));
vec.removeElementAt(i);
vec.trimToSize();
ICommand[] tempCommands = vec.toArray(new ICommand[commands.length - 1]);
description.setBuildSpec(tempCommands);
break;
}
}
commands = description.getBuildSpec();
boolean found = false;
// See if the builder is already there
for (int i = 0; i < commands.length; ++i) {
if (commands[i].getBuilderName().equals(getBuilderID())) {
found = true;
break;
}
}
if (!found) {
//add builder to project
ICommand command = description.newCommand();
command.setBuilderName(getBuilderID());
ICommand[] newCommands = new ICommand[commands.length + 1];
// Add it before other builders.
System.arraycopy(commands, 0, newCommands, 1, commands.length);
newCommands[0] = command;
description.setBuildSpec(newCommands);
project.setDescription(description, null);
}
}
/**
* Utility method for adding a nature to a project.
*
* @param project the project to add the nature to.
* @param natureId the id of the nature to assign to the project
* @param monitor a progress monitor to indicate the duration of the operation, or
* <code>null</code> if progress reporting is not required.
*/
public static void addNature(IProject project, String natureId, IProgressMonitor monitor) throws CoreException {
IProjectDescription description = project.getDescription();
String[] prevNatures = description.getNatureIds();
for (int i = 0; i < prevNatures.length; i++) {
if (natureId.equals(prevNatures[i]))
return;
}
String[] newNatures = new String[prevNatures.length + 1];
System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
newNatures[prevNatures.length] = natureId;
description.setNatureIds(newNatures);
project.setDescription(description, monitor);
}
/**
* Update the Java command in the build spec (replace existing one if present,
* add one first if none).
*/
public static IProjectDescription setBuildSpec(IProjectDescription description, ICommand newCommand) {
ICommand[] oldCommands = description.getBuildSpec();
ICommand oldCommand = getBuildSpec(description, newCommand.getBuilderName());
ICommand[] newCommands;
if (oldCommand == null) {
// Add a Java build spec before other builders (1FWJK7I)
newCommands = new ICommand[oldCommands.length + 1];
System.arraycopy(oldCommands, 0, newCommands, 1, oldCommands.length);
newCommands[0] = newCommand;
} else {
for (int i = 0, max = oldCommands.length; i < max; i++) {
if (oldCommands[i].getBuilderName().equals(oldCommand.getBuilderName())) {
oldCommands[i] = newCommand;
break;
}
}
newCommands = oldCommands;
}
// Commit the spec change into the project
description.setBuildSpec(newCommands);
return description;
}
public static ICommand getBuildSpec(IProjectDescription description, String builderID) {
ICommand[] commands = description.getBuildSpec();
for (int i = 0; i < commands.length; ++i) {
if (commands[i].getBuilderName().equals(builderID)) {
return commands[i];
}
}
return null;
}
/**
* Get the correct builderID
*/
public static String getBuilderID() {
Plugin plugin = ManagedBuilderCorePlugin.getDefault();
if (Platform.getExtensionRegistry().getExtension(BUILDER_NAME) != null) {
return ManagedBuilderCorePlugin.getUniqueIdentifier() + "." + BUILDER_NAME; //$NON-NLS-1$
}
return BUILDER_ID;
}
/* (non-Javadoc)
* @see org.eclipse.core.resources.IProjectNature#configure()
*/
@Override
public void configure() throws CoreException {
addManagedBuilder(project, new NullProgressMonitor());
}
/* (non-Javadoc)
* @see org.eclipse.core.resources.IProjectNature#deconfigure()
*/
@Override
public void deconfigure() throws CoreException {
// TODO remove builder from here
}
/* (non-Javadoc)
* @see org.eclipse.core.resources.IProjectNature#getProject()
*/
@Override
public IProject getProject() {
// Just return the project associated with the nature
return project;
}
/**
* Utility method to remove the managed nature from a project.
*
* @param project to remove the managed nature from
* @param mon progress monitor to indicate the duration of the operation, or
* <code>null</code> if progress reporting is not required.
*/
public static void removeManagedNature(IProject project, IProgressMonitor mon) throws CoreException {
removeNature(project, MNG_NATURE_ID, mon);
}
/**
* Utility method for removing a project nature from a project.
*
* @param project the project to remove the nature from
* @param natureId the nature id to remove
* @param monitor a progress monitor to indicate the duration of the operation, or
* <code>null</code> if progress reporting is not required.
*/
public static void removeNature(IProject project, String natureId, IProgressMonitor monitor) throws CoreException {
IProjectDescription description = project.getDescription();
String[] prevNatures = description.getNatureIds();
List<String> newNatures = new ArrayList<>(Arrays.asList(prevNatures));
newNatures.remove(natureId);
description.setNatureIds(newNatures.toArray(new String[newNatures.size()]));
project.setDescription(description, monitor);
}
/* (non-Javadoc)
* @see org.eclipse.core.resources.IProjectNature#setProject(org.eclipse.core.resources.IProject)
*/
@Override
public void setProject(IProject project) {
// Set the project for the nature
this.project = project;
}
}
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