| /* |
| * 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.content; |
| |
| import org.apache.sling.feature.Artifact; |
| 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 java.util.Map; |
| |
| public class ContentOrderMergeProcessor implements MergeHandler { |
| |
| public static final String DEFAULT_CONTENT_START_ORDER = "default.content.startorder"; |
| |
| private void processFeature(Feature feature, Extension extension) { |
| if (feature == null || extension == null) { |
| return; |
| } |
| String defaultOrder = feature.getVariables().get(DEFAULT_CONTENT_START_ORDER); |
| if (defaultOrder != null) { |
| for (Artifact a : extension.getArtifacts()) { |
| Map<String,String> kvm = a.getMetadata(); |
| if(kvm.get(Artifact.KEY_START_ORDER) == null) { |
| kvm.put(Artifact.KEY_START_ORDER, defaultOrder); |
| } |
| } |
| feature.getVariables().remove(DEFAULT_CONTENT_START_ORDER); |
| } |
| } |
| |
| @Override |
| public boolean canMerge(Extension extension) { |
| return extension.getType() == ExtensionType.ARTIFACTS |
| && extension.getName().equals(Extension.EXTENSION_NAME_CONTENT_PACKAGES); |
| } |
| |
| @Override |
| public void merge(HandlerContext context, Feature target, Feature source, Extension targetEx, Extension sourceEx) { |
| |
| processFeature(target, targetEx); |
| processFeature(source, sourceEx); |
| |
| if (targetEx == null) { |
| target.getExtensions().add(sourceEx.copy()); |
| return; |
| } |
| for (final Artifact a : sourceEx.getArtifacts()) { |
| boolean replace = true; |
| final Artifact existing = targetEx.getArtifacts().getSame(a.getId()); |
| if (existing != null && existing.getId().getOSGiVersion().compareTo(a.getId().getOSGiVersion()) > 0) { |
| replace = false; |
| } |
| |
| if (replace) { |
| targetEx.getArtifacts().removeSame(a.getId()); |
| targetEx.getArtifacts().add(a.copy(a.getId())); |
| } |
| } |
| } |
| } |