Attachment 242317 Details for Bug 432986 – NewChildDescriptorTest.java

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NewChildDescriptorTest.java

NewChildDescriptorTest.java (text/x-java), 4.89 KB, created by Pierre-Charles David

on 2014-04-25 05:31:42 EDT

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Creator: Pierre-Charles David

Created: 2014-04-25 05:31:42 EDT

Size: 4.89 KB

patch

obsolete

>/*******************************************************************************
> * Copyright (c) 2014 Obeo.
> * All rights reserved. This program and the accompanying materials
> * are made available under the terms of the Eclipse Public License v1.0
> * which accompanies this distribution, and is available at
> * http://www.eclipse.org/legal/epl-v10.html
> *
> * Contributors:
> *    Obeo - initial API and implementation
> *******************************************************************************/
>package org.eclipse.sirius.temp;
>
>import java.util.Collection;
>import java.util.Set;
>
>import org.eclipse.emf.common.notify.AdapterFactory;
>import org.eclipse.emf.ecore.EClass;
>import org.eclipse.emf.ecore.EObject;
>import org.eclipse.emf.ecore.EPackage;
>import org.eclipse.emf.ecore.util.EcoreUtil;
>import org.eclipse.emf.edit.command.CommandParameter;
>import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
>import org.eclipse.emf.edit.provider.ComposedAdapterFactory.Descriptor;
>import org.eclipse.emf.edit.provider.ComposedAdapterFactory.Descriptor.Registry;
>import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
>import org.eclipse.sirius.viewpoint.description.DescriptionPackage;
>import org.junit.Test;
>
>import com.google.common.base.Function;
>import com.google.common.collect.HashMultimap;
>import com.google.common.collect.ImmutableSet;
>import com.google.common.collect.Iterables;
>import com.google.common.collect.Lists;
>import com.google.common.collect.Multimap;
>import com.google.common.collect.Ordering;
>
>/**
> * Outputs a sorted list of all the "newChildDescriptors" available for all
> * Sirius types available in a VSM editor. Implemented as a JUnit test to be run
> * as a "JUnit Plug-in Test" to be sure it is executed in the correct runtime
> * context (with all the various extension points and registries correctly
> * setup).
> * 
> * @author pcdavid
> */
>public class NewChildDescriptorTest {
>    @Test
>    public void printChildDescriptors() {
>        Collection<EPackage> packages = withDescendants(Lists.newArrayList(DescriptionPackage.eINSTANCE, /*org.eclipse.sirius.diagram.description.DescriptionPackage.eINSTANCE,*/
>                org.eclipse.sirius.diagram.sequence.description.DescriptionPackage.eINSTANCE, org.eclipse.sirius.table.metamodel.table.description.DescriptionPackage.eINSTANCE,
>                org.eclipse.sirius.tree.description.DescriptionPackage.eINSTANCE));
>
>        Multimap<EClass, EClass> result = HashMultimap.create();
>        Registry registry = ComposedAdapterFactory.Descriptor.Registry.INSTANCE;
>        for (EPackage pkg : packages) {
>            Descriptor descriptor = registry.getDescriptor(Lists.newArrayList(pkg, IEditingDomainItemProvider.class));
>            if (descriptor != null) {
>                AdapterFactory factory = descriptor.createAdapterFactory();
>                for (EClass klass : Iterables.filter(pkg.getEClassifiers(), EClass.class)) {
>                    if (!klass.isAbstract() && !klass.isInterface()) {
>                        EObject instance = EcoreUtil.create(klass);
>                        IEditingDomainItemProvider provider = (IEditingDomainItemProvider) factory.adapt(instance, IEditingDomainItemProvider.class);
>                        Collection<?> descriptors = provider.getNewChildDescriptors(instance, null, null);
>                        for (CommandParameter param : Iterables.filter(descriptors, CommandParameter.class)) {
>                            result.put(klass, ((EObject) param.getValue()).eClass());
>                        }
>                    }
>                }
>            }
>        }
>        System.out.println(format(result));
>    }
>
>    private Set<EPackage> withDescendants(Iterable<EPackage> roots) {
>        Collection<EPackage> result = Lists.newArrayList();
>        for (EPackage root : roots) {
>            result.add(root);
>            result.addAll(withDescendants(root.getESubpackages()));
>        }
>        return ImmutableSet.copyOf(result);
>    }
>
>    private String fqn(EClass klass) {
>        return qualify(klass.getName(), klass.getEPackage());
>    }
>
>    private String qualify(String name, EPackage pkg) {
>        if (pkg == null) {
>            return name;
>        } else {
>            return qualify(pkg.getName() + "." + name, pkg.getESuperPackage());
>        }
>    }
>
>    private String format(Multimap<EClass, EClass> result) {
>        Function<EClass, String> qname = new Function<EClass, String>() {
>            @Override
>            public String apply(EClass klass) {
>                return fqn(klass);
>            }
>        };
>        StringBuilder sb = new StringBuilder();
>        Ordering<EClass> ordering = Ordering.natural().onResultOf(qname);
>        for (EClass k : ordering.sortedCopy(result.keys())) {
>            sb.append(fqn(k)).append(":\n");
>            for (EClass child : ordering.sortedCopy(result.get(k))) {
>                sb.append(" - ").append(fqn(child)).append("\n");
>            }
>        }
>        return sb.toString();
>    }
>
>}

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