/*
 * JBoss, Home of Professional Open Source.
 *
 * See the LEGAL.txt file distributed with this work for information regarding copyright ownership and licensing.
 *
 * See the AUTHORS.txt file distributed with this work for a full listing of individual contributors.
 */
package org.teiid.designer.metamodels.core.util;

import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;

/**
 * CoreUtil
 *
 * @since 8.0
 */
public class CoreUtil {

    /**
     * Construct an instance of CoreUtil.
     */
    private CoreUtil() {
        super();
    }

    public static void removePropertyDescriptor( final List descriptors,
                                                 final EStructuralFeature[] features ) {
        if (features == null || features.length == 0 || descriptors == null) {
            return;
        }
        final Set featureSet = new HashSet();
        for (int i = 0; i < features.length; ++i) {
            final EStructuralFeature feature = features[i];
            featureSet.add(feature);
        }
        removePropertyDescriptor(descriptors, featureSet);
    }

    public static void removePropertyDescriptor( final List descriptors,
                                                 final Set features ) {
        if (features == null || features.size() == 0 || descriptors == null) {
            return;
        }
        final Iterator iter = descriptors.iterator();
        while (iter.hasNext()) {
            final ItemPropertyDescriptor desc = (ItemPropertyDescriptor)iter.next();
            if (features.contains(desc.getFeature(null))) {
                iter.remove();
            }
        }
    }

    public static void removePropertyDescriptor( final List descriptors,
                                                 final EStructuralFeature feature ) { // NO_UCD
        if (feature == null || descriptors == null) {
            return;
        }
        final Iterator iter = descriptors.iterator();
        while (iter.hasNext()) {
            final ItemPropertyDescriptor desc = (ItemPropertyDescriptor)iter.next();
            if (feature.equals(desc.getFeature(null))) {
                iter.remove();
            }
        }
    }

}