/*
 * FindBugs Eclipse Plug-in.
 * Copyright (C) 2005, University of Maryland
 *
 * 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;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ISaveContext;
import org.eclipse.core.resources.ISaveParticipant;
import org.eclipse.core.resources.ResourcesPlugin;

import de.tobject.findbugs.util.ProjectUtilities;

/**
 * Callback object responsible for saving the uncomitted state of any
 * FindBugs-enabled projects.
 * 
 * @author David Hovemeyer
 */
public class FindbugsSaveParticipant implements ISaveParticipant {

    public void doneSaving(ISaveContext context) {
        // noop
    }

    public void prepareToSave(ISaveContext context) {
        // noop
    }

    public void rollback(ISaveContext context) {
        // noop
    }

    public void saving(ISaveContext context) {
        switch (context.getKind()) {
        case ISaveContext.FULL_SAVE:
            fullSave();
            break;
        case ISaveContext.PROJECT_SAVE:
            saveBugCollection(context.getProject());
            break;
        default:
            break;
        }
    }

    private void fullSave() {
        IProject[] projectList = ResourcesPlugin.getWorkspace().getRoot().getProjects();
        for (IProject project : projectList) {
            if (project.isAccessible() && ProjectUtilities.isJavaProject(project)) {
                saveBugCollection(project);
            }
        }
    }

    private void saveBugCollection(IProject project) {
        if (project.isAccessible()) {
            try {
                FindbugsPlugin.saveCurrentBugCollection(project, null);
            } catch (RuntimeException e) {
                throw e;
            } catch (Exception e) {
                FindbugsPlugin.getDefault().logException(e, "Could not save bug collection for project " + project.getName());
            }
        }
    }

}