eu.geclipse.ui.providers.ACLEntryLabelProvider.java Source code

Introduction

Here is the source code for eu.geclipse.ui.providers.ACLEntryLabelProvider.java

Source

/*****************************************************************************
 * Copyright (c) 2008 g-Eclipse Consortium 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Initial development of the original code was made for the
 * g-Eclipse project founded by European Union
 * project number: FP6-IST-034327  http://www.geclipse.eu/
 *
 * Contributors:
 *    Ariel Garcia - initial API and implementation
 *****************************************************************************/

package eu.geclipse.ui.providers;

import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;

import eu.geclipse.core.accesscontrol.ActorType;
import eu.geclipse.core.accesscontrol.IACLEntry;
import eu.geclipse.core.accesscontrol.IACLPolicy;
import eu.geclipse.ui.internal.ImageLoader;

/**
 * A table label provider for displaying IACLEntry objects.
 * 
 * @author agarcia
 */
public class ACLEntryLabelProvider extends LabelProvider implements ITableLabelProvider {

    // Columns
    private static final int COL_POLICY = 0;
    private static final int COL_CAPABILITY = 1;
    private static final int COL_ACTOR_TYPE = 2;
    private static final int COL_ACTOR_ID = 3;
    private static final int COL_ACTOR_CA = 4;

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnText(java.lang.Object, int)
     */
    public String getColumnText(final Object element, final int columnIndex) {

        String result = null;

        if (element instanceof IACLEntry) {

            IACLEntry entry = (IACLEntry) element;
            switch (columnIndex) {
            case COL_POLICY:
                result = entry.getPolicy().getName();
                break;
            case COL_CAPABILITY:
                result = entry.getCapability().getName();
                break;
            case COL_ACTOR_TYPE:
                result = entry.getActor().getActorType().getName();
                break;
            case COL_ACTOR_ID:
                result = entry.getActor().getID();
                break;
            case COL_ACTOR_CA:
                result = entry.getActor().getCA();
                break;
            default:
                break;
            }

        }

        if (result == null) {
            result = ""; //$NON-NLS-1$
        }

        return result;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.jface.viewers.ITableLabelProvider#getColumnImage(java.lang.Object, int)
     */
    public Image getColumnImage(final Object element, final int columnIndex) {

        Image img = null;

        if (element instanceof IACLEntry) {

            IACLEntry entry = (IACLEntry) element;

            switch (columnIndex) {
            case COL_POLICY:
                short pType = entry.getPolicy().getType();
                img = getPolicyImage(pType);
                break;
            case COL_ACTOR_TYPE:
                ActorType type = entry.getActor().getActorType();
                img = getActorTypeImage(type);
                break;
            default:
                break;
            }
        }

        return img;
    }

    /**
     * Helper method to select the image for the policy column.
     * 
     * @param pType the flag identifying the policy type.
     * @return the corresponding Image, or <code>null</code> if none was found.
     */
    private Image getPolicyImage(final short pType) {
        Image img = null;

        if (pType == IACLPolicy.TYPE_ALLOW) {
            img = ImageLoader.get(ImageLoader.IMG_ACL_ALLOW);
        } else if (pType == IACLPolicy.TYPE_DENY) {
            img = ImageLoader.get(ImageLoader.IMG_ACL_DENY);
        }
        return img;
    }

    /**
     * Helper method to select the image for the actor type column.
     * 
     * @param type an {@link ActorType}.
     * @return an Image, or <code>null</code> if none was found.
     */
    private Image getActorTypeImage(final ActorType type) {
        Image img = null;

        if ((type == ActorType.ANYBODY) || (type == ActorType.CA_ANY_DN_ANY)) {
            img = ImageLoader.get(ImageLoader.IMG_ACL_ANYONE);
        } else if ((type == ActorType.GROUP_NAME) || (type == ActorType.GROUP_PATTERN)
                || (type == ActorType.USER_PATTERN)) {
            img = ImageLoader.get(ImageLoader.IMG_ACL_GROUP);
        } else if ((type == ActorType.CA_NAME_DN_ANY) || (type == ActorType.CA_NAME_DN_PATTERN)) {
            img = ImageLoader.get(ImageLoader.IMG_ACL_CA);
        } else if ((type == ActorType.CA_NAME_DN_NAME) || (type == ActorType.USER_NAME)
                || (type == ActorType.USER_EMAIL)) {
            img = ImageLoader.get(ImageLoader.IMG_ACL_USER);
        } else if (type == ActorType.SAML_ATTRIBUTE) {
            img = ImageLoader.get(ImageLoader.IMG_ACL_SAML);
        }
        return img;
    }

}