AbstractJcrNodeImportExportContentHandler.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.sling.ide.eclipse.ui.actions;

import org.apache.sling.ide.eclipse.core.internal.ProjectHelper;
import org.apache.sling.ide.eclipse.ui.internal.SelectionUtils;
import org.apache.sling.ide.eclipse.ui.nav.model.JcrNode;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.handlers.HandlerUtil;
import org.eclipse.wst.server.core.IModule;
import org.eclipse.wst.server.core.ServerUtil;

public abstract class AbstractJcrNodeImportExportContentHandler extends AbstractHandler {

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        
        ISelection sel = HandlerUtil.getCurrentSelection(event);
        
        JcrNode node = SelectionUtils.getFirst(sel, JcrNode.class);
        if ( node == null ) {
            return null;
        }
    
        IProject project = node.getProject();
        if (!ProjectHelper.isContentProject(project)) {
            return null;
        }
    
        IModule module = ServerUtil.getModule(project);
        if (module == null) {
            return null;
        }
        
        IResource resource = node.getResourceForImportExport();
        if (resource==null) {
            return null;
        }
        
        Wizard wiz = createWizard(resource);
    
        WizardDialog dialog = new WizardDialog(PlatformUI.getWorkbench().getDisplay().getActiveShell(), wiz);
        dialog.open();
        
        return null;
    }

    protected abstract Wizard createWizard(IResource resource);
}