| /* |
| * 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.crankstart.launcher; |
| |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.sling.provisioning.model.Artifact; |
| import org.apache.sling.provisioning.model.ArtifactGroup; |
| import org.apache.sling.provisioning.model.Feature; |
| import org.apache.sling.provisioning.model.Model; |
| import org.apache.sling.provisioning.model.RunMode; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** Merge nested models, provided by slingfeature/slingstart artifacts */ |
| public class NestedModelsMerger extends ArtifactsVisitor { |
| |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| private List<Artifact> toMerge; |
| |
| public static final String SLINGSTART = "slingstart"; |
| public static final String SLINGFEATURE = "slingfeature"; |
| public static final String NESTED_MODELS = "nested.models"; |
| |
| public NestedModelsMerger(Model m) { |
| super(m); |
| } |
| |
| @Override |
| public synchronized void visit() throws Exception { |
| toMerge = new ArrayList<Artifact>(); |
| super.visit(); |
| log.info("{} nested models found in provisioning model", toMerge.size()); |
| |
| for(Artifact a : toMerge) { |
| log.info("Resolving and merging nested model {}", a); |
| InputStream is = null; |
| Reader r = null; |
| try { |
| is = MavenResolver.resolve(a); |
| r = new InputStreamReader(is); |
| Launcher.mergeModel(model, r, a.toString()); |
| } catch(Exception e) { |
| log.error("Failed to read nested model " + a, e); |
| } finally { |
| if(r != null) { |
| r.close(); |
| } |
| if(is != null) { |
| is.close(); |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected void visitArtifact(Feature f, RunMode rm, ArtifactGroup g, Artifact a) throws Exception { |
| // TODO how to identify a nested model when it's the main artifact of a module, |
| // so doesn't have a slingfeature/slingstart type or classifier in its artifact URL? |
| final String str = f.getVariables().get(NESTED_MODELS); |
| if(str == null || str.length() == 0) { |
| return; |
| } |
| final String [] nm = str.split(","); |
| for(String nested : nm) { |
| if(nested.equals(a.getArtifactId())) { |
| log.info("{} feature variable identifies artifact as a nested model , will be merged: {}", f.getName() + "/" + NESTED_MODELS, a); |
| toMerge.add(a); |
| } |
| } |
| } |
| } |