| /******************************************************************************* |
| * Copyright (c) 2009, 2019 Xored Software Inc and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-v20.html |
| * |
| * Contributors: |
| * Xored Software Inc - initial API and implementation and/or initial documentation |
| *******************************************************************************/ |
| package org.eclipse.rcptt.ecl.data.internal.commands; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.rcptt.ecl.core.Command; |
| import org.eclipse.rcptt.ecl.data.commands.GetAttr; |
| import org.eclipse.rcptt.ecl.data.internal.EclDataPlugin; |
| import org.eclipse.rcptt.ecl.data.objects.Attribute; |
| import org.eclipse.rcptt.ecl.data.objects.Tree; |
| import org.eclipse.rcptt.ecl.runtime.ICommandService; |
| import org.eclipse.rcptt.ecl.runtime.IProcess; |
| |
| public class GetAttrService implements ICommandService { |
| |
| public IStatus service(Command command, IProcess context) |
| throws InterruptedException, CoreException { |
| GetAttr ga = (GetAttr) command; |
| String name = ga.getName(); |
| EObject object = ga.getObject(); |
| if (object instanceof Tree) { |
| Tree tree = (Tree) object; |
| String value = getAttrFromTree(tree, name); |
| context.getOutput().write(value); |
| return Status.OK_STATUS; |
| } |
| return EclDataPlugin.createErr("This type of object is not supported by the command"); |
| } |
| |
| private String getAttrFromTree(Tree tree, String name) throws CoreException { |
| for (Attribute attr : tree.getAttributes()) { |
| if (attr.getName().equals(name)) { |
| return attr.getValue(); |
| } |
| } |
| throw new CoreException(EclDataPlugin.createErr( |
| "There is no attribute with name %s in the tree", name)); |
| } |
| |
| } |