/*
 * Contributions to FindBugs
 * Copyright (C) 2008, Andrei Loskutov
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package de.tobject.findbugs.view.explorer;

import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.runtime.Assert;

class DeltaInfo {

    final IMarker marker;

    /**
     * @see IResourceDelta#getKind()
     */
    final int changeKind;

    public DeltaInfo(IMarker marker, int kind) {
        Assert.isNotNull(marker, "Null marker reported!");
        this.marker = marker;
        changeKind = kind;
    }

    @Override
    public boolean equals(Object obj) {
        if (obj instanceof DeltaInfo) {
            return marker.equals(((DeltaInfo) obj).marker);
        }
        return false;
    }

    @Override
    public int hashCode() {
        return marker.hashCode();
    }

    @Override
    public String toString() {

        StringBuffer sb = new StringBuffer();
        switch (changeKind) {
        case IResourceDelta.ADDED:
            sb.append("ADDED");
            break;
        case IResourceDelta.CHANGED:
            sb.append("CHANGED");
            break;
        case IResourceDelta.REMOVED:
            sb.append("REMOVED");
            break;
        default:
            sb.append(" ? ").append(changeKind);
            break;
        }
        sb.append(" marker id ").append(marker.getId())
                .append(marker.toString().replace("org.eclipse.core.internal.resources.Marker@", "/"));
        return sb.toString();
    }

    public boolean isAdded() {
        return changeKind == IResourceDelta.ADDED;
    }

    public boolean isRemoved() {
        return changeKind == IResourceDelta.REMOVED;
    }
}