| /******************************************************************************* |
| * Copyright (c) 2010, 2014 Willink Transformations and others. |
| * 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: |
| * E.D.Willink - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ocl.pivot.labels; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.jdt.annotation.NonNull; |
| import org.eclipse.jdt.annotation.Nullable; |
| import org.eclipse.ocl.pivot.labels.ILabelGenerator.Option; |
| import org.eclipse.ocl.pivot.labels.ILabelGenerator.Registry; |
| |
| /** |
| * AbstractLabelGeneratorBuilder builds the formatted description on behalf of a |
| * ILabelGenerator.Builder. |
| */ |
| public abstract class AbstractLabelGeneratorBuilder implements ILabelGenerator.Builder |
| { |
| protected final @NonNull ILabelGenerator.Registry registry; |
| protected final @Nullable Object labelledObject; |
| protected @Nullable Map<ILabelGenerator.Option<?>, Object> options = null; |
| |
| protected AbstractLabelGeneratorBuilder(@NonNull ILabelGenerator.Registry registry, @Nullable Object labelledObject, @Nullable Map<ILabelGenerator.Option<?>, Object> options) { |
| this.registry = registry; |
| this.labelledObject = labelledObject; |
| this.options = options; |
| } |
| |
| @Override |
| public void appendObject(@Nullable Object object) { |
| registry.buildSubLabelFor(this, object); |
| } |
| |
| @Override |
| public void buildLabelFor(@Nullable Object object) { |
| registry.buildLabelFor(this, object); |
| } |
| |
| @Override |
| public @Nullable Object getLabelledObject() { |
| return labelledObject; |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public @Nullable <T> T getOption(@NonNull ILabelGenerator.Option<T> option) { |
| return options != null ? (T) options.get(option) : null; |
| } |
| |
| @Override |
| public @NonNull Registry getRegistry() { |
| return registry; |
| } |
| |
| @Override |
| public <T> boolean hasOption(@NonNull ILabelGenerator.Option<T> option) { |
| return (options != null) && options.containsKey(option); |
| } |
| |
| @Override |
| public <T> void setOption(@NonNull ILabelGenerator.Option<T> option, @Nullable T value) { |
| Map<Option<?>, Object> options2 = options; |
| if (options2 == null) |
| options = options2 = new HashMap<ILabelGenerator.Option<?>, Object>(); |
| options2.put(option, value); |
| } |
| |
| @Override |
| public abstract @NonNull String toString(); |
| } |