Package net.ssehub.easy.producer.eclipse.persistency.eclipse

Class NatureUtils

java.lang.Object

net.ssehub.easy.producer.eclipse.persistency.eclipse.NatureUtils

public final class NatureUtils
extends Object

Some utility methods for natures.

Author:

Holger Eichelberger

Field Summary

Fields

Modifier and Type	Field	Description
private static Predicate<String>	natureFilter

Constructor Summary

Constructors

Modifier	Constructor	Description
private	NatureUtils()	Prevents this class from being instantiated from outside.

Method Summary

Modifier and Type	Method	Description
static void	addNature(org.eclipse.core.resources.IProject project, String nature, org.eclipse.core.runtime.IProgressMonitor monitor)	Adds a nature to the given project.
static void	ensureBuilder(org.eclipse.core.resources.IProject project, String includeBuilder, String excludeBuilder, org.eclipse.core.runtime.IProgressMonitor monitor)	Ensures a builder, while removing another one.
static boolean	hasNature(org.eclipse.core.resources.IProject project, String... natures)	Returns whether at least one of the given natures is defined on the given project.
static void	removeNature(org.eclipse.core.resources.IProject project, String nature, org.eclipse.core.runtime.IProgressMonitor monitor)	Removes a nature from the given project.
static void	setNatureFilter(Predicate<String> filter)	Allows filtering out natures.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

natureFilter

private static Predicate<String> natureFilter

Constructor Details

NatureUtils

private NatureUtils()

Prevents this class from being instantiated from outside.

Method Details

hasNature

public static boolean hasNature(org.eclipse.core.resources.IProject project,
 String... natures)
                         throws org.eclipse.core.runtime.CoreException

Returns whether at least one of the given natures is defined on the given project. Filtered out natures are always found.

Parameters:

project - the project to check the nature on

natures - the natures to be checked

Returns:

true if at least one nature in natures is a nature of project, false else

Throws:

org.eclipse.core.runtime.CoreException - if project does not exist or is not open

ensureBuilder

public static void ensureBuilder(org.eclipse.core.resources.IProject project,
 String includeBuilder,
 String excludeBuilder,
 org.eclipse.core.runtime.IProgressMonitor monitor)
                          throws org.eclipse.core.runtime.CoreException

Ensures a builder, while removing another one.

Parameters:

project - the project to check the builders on

includeBuilder - the builder id to include

excludeBuilder - the builder id to exclude

monitor - an optional progress monitor (may be null)

Throws:

org.eclipse.core.runtime.CoreException - if project does not exist or is not open

addNature

public static void addNature(org.eclipse.core.resources.IProject project,
 String nature,
 org.eclipse.core.runtime.IProgressMonitor monitor)
                      throws org.eclipse.core.runtime.CoreException

Adds a nature to the given project. Filtered out natures are not added.

Parameters:

project - the project to add the nature to

nature - the nature to be added

monitor - an optional progress monitor (may be null)

Throws:

org.eclipse.core.runtime.CoreException - if project does not exist or is not open

removeNature

public static void removeNature(org.eclipse.core.resources.IProject project,
 String nature,
 org.eclipse.core.runtime.IProgressMonitor monitor)
                         throws org.eclipse.core.runtime.CoreException

Removes a nature from the given project. Filtered out natures are not removed.

Parameters:

project - the project to remove the nature from

nature - the nature to be remove

monitor - an optional progress monitor (may be null)

Throws:

org.eclipse.core.runtime.CoreException - if project does not exist or is not open

setNatureFilter

public static void setNatureFilter(Predicate<String> filter)

Allows filtering out natures. [testing].

Parameters:

filter - the nature filter