Java tutorial
/* * 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.easyant4e.natures; import java.lang.reflect.InvocationTargetException; import org.apache.easyant4e.Activator; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IProjectDescription; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.SubProgressMonitor; import org.eclipse.jface.operation.IRunnableWithProgress; /** * Add the EasyAnt nature to the project. */ public class AddEasyAntNatureOperation implements IRunnableWithProgress { private IProject project; public AddEasyAntNatureOperation(IProject project) { this.project = project; } public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException { if (project != null) { try { if (!project.hasNature(EasyAntNature.NATURE_ID)) { monitor.subTask("Add the EasyAnt nature to the project " + project.getName()); IProjectDescription description = project.getDescription(); String[] oldNatures = description.getNatureIds(); String[] newNatures = new String[oldNatures.length + 1]; System.arraycopy(oldNatures, 0, newNatures, 1, oldNatures.length); newNatures[0] = EasyAntNature.NATURE_ID; description.setNatureIds(newNatures); project.setDescription(description, new SubProgressMonitor(monitor, 1)); } } catch (CoreException e) { Activator.getEasyAntPlugin().log(e); } monitor.done(); } } }