com.svcdelivery.liquibase.eclipse.internal.ui.ConvertToLiquibaseCommandHandler.java Source code

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Here is the source code for com.svcdelivery.liquibase.eclipse.internal.ui.ConvertToLiquibaseCommandHandler.java

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/**
 * Copyright 2012 Nick Wilson
 *
 * Licensed 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 com.svcdelivery.liquibase.eclipse.internal.ui;

import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.commands.IHandler;
import org.eclipse.core.commands.IHandlerListener;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;

/**
 * Converts the selected projects to Liquibase projects.
 * 
 * @author nick
 * 
 */
public class ConvertToLiquibaseCommandHandler implements IHandler {

    @Override
    public void addHandlerListener(final IHandlerListener handlerListener) {
    }

    @Override
    public void dispose() {
    }

    @Override
    public final Object execute(final ExecutionEvent event) throws ExecutionException {
        final ISelection selection = HandlerUtil.getCurrentSelection(event);
        if (selection instanceof StructuredSelection) {
            StructuredSelection structured = (StructuredSelection) selection;
            for (final Object next : structured.toList()) {
                if (next instanceof IProject) {
                    final IProject project = (IProject) next;
                    try {
                        LiquibaseNature.addNature(project);
                        LiquibaseNature.addBuilder(project);
                    } catch (final CoreException e) {
                        throw new ExecutionException(e.getMessage());
                    }
                }
            }
        }
        return null;
    }

    @Override
    public final boolean isEnabled() {
        return true;
    }

    @Override
    public final boolean isHandled() {
        return true;
    }

    @Override
    public void removeHandlerListener(final IHandlerListener handlerListener) {
    }

}