001    /*
002     * Copyright 2008 the original author or authors.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License"); you may not
005     * use this file except in compliance with the License. You may obtain a copy of
006     * the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
012     * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
013     * License for the specific language governing permissions and limitations under
014     * the License.
015     */
016    package org.springframework.richclient.application.support;
017    
018    import java.util.HashMap;
019    import java.util.List;
020    import java.util.Map;
021    
022    import org.springframework.richclient.application.ViewDescriptor;
023    import org.springframework.richclient.application.ViewDescriptorRegistry;
024    import org.springframework.util.Assert;
025    
026    /**
027     * Very simple {@link ViewDescriptorRegistry} implementation, mostly for testing purposes.
028     * 
029     * @author Peter De Bruycker
030     */
031    public class SimpleViewDescriptorRegistry implements ViewDescriptorRegistry {
032    
033        private Map<String, ViewDescriptor> descriptors = new HashMap<String, ViewDescriptor>();
034    
035        public SimpleViewDescriptorRegistry() {
036    
037        }
038    
039        public SimpleViewDescriptorRegistry(List<ViewDescriptor> descriptors) {
040            Assert.notNull(descriptors, "descriptors cannot be null");
041    
042            for (ViewDescriptor descriptor : descriptors) {
043                addViewDescriptor(descriptor);
044            }
045        }
046    
047        public void addViewDescriptor(ViewDescriptor descriptor) {
048            Assert.notNull(descriptor, "descriptor cannot be null");
049    
050            descriptors.put(descriptor.getId(), descriptor);
051        }
052    
053        public void removeViewDescriptor(ViewDescriptor descriptor) {
054            Assert.notNull(descriptor, "descriptor cannot be null");
055    
056            descriptors.remove(descriptor.getId());
057        }
058    
059        public ViewDescriptor getViewDescriptor(String viewDescriptorId) {
060            Assert.hasText(viewDescriptorId, "viewDescriptorId cannot be empty");
061    
062            return descriptors.get(viewDescriptorId);
063        }
064    
065        public ViewDescriptor[] getViewDescriptors() {
066            return descriptors.values().toArray(new ViewDescriptor[descriptors.size()]);
067        }
068    
069    }