Example usage for org.eclipse.jdt.internal.core JavaModelManager resetProjectOptions

Introduction

In this page you can find the example usage for org.eclipse.jdt.internal.core JavaModelManager resetProjectOptions.

Prototype

public void resetProjectOptions(JavaProject javaProject) 

Source Link

Usage

From source file:org.eclipse.jdt.internal.core.JavaProject.java

License:Open Source License

/**
 * Returns the project custom preference pool.
 * Project preferences may include custom encoding.
 * @return IEclipsePreferences or <code>null</code> if the project
 *    does not have a java nature.//  ww  w.  java 2s. c o  m
 */
public IEclipsePreferences getEclipsePreferences() {
    if (!JavaProject.hasJavaNature(this.project))
        return null;
    // Get cached preferences if exist
    JavaModelManager.PerProjectInfo perProjectInfo = JavaModelManager.getJavaModelManager()
            .getPerProjectInfo(this.project, true);
    if (perProjectInfo.preferences != null)
        return perProjectInfo.preferences;
    // Init project preferences
    IScopeContext context = new ProjectScope(getProject());
    final IEclipsePreferences eclipsePreferences = context.getNode(JavaCore.PLUGIN_ID);
    updatePreferences(eclipsePreferences);
    perProjectInfo.preferences = eclipsePreferences;

    // Listen to new preferences node
    final IEclipsePreferences eclipseParentPreferences = (IEclipsePreferences) eclipsePreferences.parent();
    if (eclipseParentPreferences != null) {
        if (this.preferencesNodeListener != null) {
            eclipseParentPreferences.removeNodeChangeListener(this.preferencesNodeListener);
        }
        this.preferencesNodeListener = new IEclipsePreferences.INodeChangeListener() {
            public void added(IEclipsePreferences.NodeChangeEvent event) {
                // do nothing
            }

            public void removed(IEclipsePreferences.NodeChangeEvent event) {
                if (event.getChild() == eclipsePreferences) {
                    JavaModelManager.getJavaModelManager().resetProjectPreferences(JavaProject.this);
                }
            }
        };
        eclipseParentPreferences.addNodeChangeListener(this.preferencesNodeListener);
    }

    // Listen to preferences changes
    if (this.preferencesChangeListener != null) {
        eclipsePreferences.removePreferenceChangeListener(this.preferencesChangeListener);
    }
    this.preferencesChangeListener = new IEclipsePreferences.IPreferenceChangeListener() {
        public void preferenceChange(IEclipsePreferences.PreferenceChangeEvent event) {
            String propertyName = event.getKey();
            JavaModelManager manager = JavaModelManager.getJavaModelManager();
            if (propertyName.startsWith(JavaCore.PLUGIN_ID)) {
                if (propertyName.equals(JavaCore.CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER)
                        || propertyName.equals(JavaCore.CORE_JAVA_BUILD_RESOURCE_COPY_FILTER)
                        || propertyName.equals(JavaCore.CORE_JAVA_BUILD_DUPLICATE_RESOURCE)
                        || propertyName
                                .equals(JavaCore.CORE_JAVA_BUILD_RECREATE_MODIFIED_CLASS_FILES_IN_OUTPUT_FOLDER)
                        || propertyName.equals(JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH)
                        || propertyName.equals(JavaCore.CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS)
                        || propertyName.equals(JavaCore.CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS)
                        || propertyName.equals(JavaCore.CORE_INCOMPLETE_CLASSPATH)
                        || propertyName.equals(JavaCore.CORE_CIRCULAR_CLASSPATH)
                        || propertyName.equals(JavaCore.CORE_OUTPUT_LOCATION_OVERLAPPING_ANOTHER_SOURCE)
                        || propertyName.equals(JavaCore.CORE_INCOMPATIBLE_JDK_LEVEL)) {
                    manager.deltaState.addClasspathValidation(JavaProject.this);
                }
                manager.resetProjectOptions(JavaProject.this);
                JavaProject.this.resetCaches(); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=233568
            }
        }
    };
    eclipsePreferences.addPreferenceChangeListener(this.preferencesChangeListener);
    return eclipsePreferences;
}

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