| /* |
| * 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.sling.feature.extension.apiregions; |
| |
| import java.util.Map; |
| |
| import org.apache.sling.feature.Extension; |
| import org.apache.sling.feature.ExtensionType; |
| import org.apache.sling.feature.Feature; |
| import org.apache.sling.feature.builder.HandlerContext; |
| import org.apache.sling.feature.builder.MergeHandler; |
| import org.apache.sling.feature.extension.apiregions.api.config.ConfigurationApi; |
| import org.apache.sling.feature.extension.apiregions.api.config.ConfigurationDescription; |
| import org.apache.sling.feature.extension.apiregions.api.config.FactoryConfigurationDescription; |
| import org.apache.sling.feature.extension.apiregions.api.config.FrameworkPropertyDescription; |
| import org.apache.sling.feature.extension.apiregions.api.config.Region; |
| |
| /** |
| * Merge the configuration api extension |
| */ |
| public class ConfigurationApiMergeHandler implements MergeHandler { |
| |
| @Override |
| public boolean canMerge(final Extension extension) { |
| return ConfigurationApi.EXTENSION_NAME.equals(extension.getName()); |
| } |
| |
| @Override |
| public void merge(final HandlerContext context, |
| final Feature targetFeature, |
| final Feature sourceFeature, |
| final Extension targetExtension, |
| final Extension sourceExtension) { |
| |
| if ( targetExtension == null ) { |
| // no target available yet, just copy source |
| final Extension ext = new Extension(ExtensionType.JSON, ConfigurationApi.EXTENSION_NAME, sourceExtension.getState()); |
| ext.setJSON(sourceExtension.getJSON()); |
| targetFeature.getExtensions().add(ext); |
| } else { |
| final ConfigurationApi sourceApi = ConfigurationApi.getConfigurationApi(sourceExtension); |
| final ConfigurationApi targetApi = ConfigurationApi.getConfigurationApi(targetExtension); |
| |
| // region merging |
| if ( context.isInitialMerge() ) { |
| targetApi.setRegion(sourceApi.getRegion()); |
| } else { |
| // region merging is different for prototypes |
| if ( sourceApi.getRegion() != targetApi.getRegion() ) { |
| if ( context.isPrototypeMerge() ) { |
| if ( sourceApi.getRegion() != null ) { |
| targetApi.setRegion(sourceApi.getRegion()); |
| } |
| } else { |
| targetApi.setRegion(Region.GLOBAL); |
| } |
| } |
| } |
| |
| // merge - but throw on duplicates |
| for(final Map.Entry<String, ConfigurationDescription> entry : sourceApi.getConfigurationDescriptions().entrySet()) { |
| if ( targetApi.getConfigurationDescriptions().containsKey(entry.getKey())) { |
| throw new IllegalStateException("Duplicate configuration description " + entry.getKey()); |
| } |
| targetApi.getConfigurationDescriptions().put(entry.getKey(), entry.getValue()); |
| } |
| for(final Map.Entry<String, FactoryConfigurationDescription> entry : sourceApi.getFactoryConfigurationDescriptions().entrySet()) { |
| if ( targetApi.getFactoryConfigurationDescriptions().containsKey(entry.getKey())) { |
| throw new IllegalStateException("Duplicate factory configuration description " + entry.getKey()); |
| } |
| targetApi.getFactoryConfigurationDescriptions().put(entry.getKey(), entry.getValue()); |
| } |
| for(final Map.Entry<String, FrameworkPropertyDescription> entry : sourceApi.getFrameworkPropertyDescriptions().entrySet()) { |
| if ( targetApi.getFrameworkPropertyDescriptions().containsKey(entry.getKey())) { |
| throw new IllegalStateException("Duplicate framework property description " + entry.getKey()); |
| } |
| targetApi.getFrameworkPropertyDescriptions().put(entry.getKey(), entry.getValue()); |
| } |
| targetApi.getInternalConfigurations().addAll(sourceApi.getInternalConfigurations()); |
| targetApi.getInternalFactoryConfigurations().addAll(sourceApi.getInternalFactoryConfigurations()); |
| targetApi.getInternalFrameworkProperties().addAll(sourceApi.getInternalFrameworkProperties()); |
| |
| ConfigurationApi.setConfigurationApi(targetFeature, targetApi); |
| } |
| } |
| } |