/*
* ModeShape (http://www.modeshape.org)
*
* Licensed 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.modeshape.jcr;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.jcr.RepositoryException;
import javax.jcr.nodetype.NodeTypeDefinition;
import org.modeshape.common.collection.Problem;
import org.modeshape.common.collection.Problems;
import org.modeshape.common.collection.SimpleProblems;
import org.modeshape.common.util.IoUtil;
import org.modeshape.jcr.value.NamespaceRegistry;
/**
* Class which performs the import of the optional, repository configured node-types
*
* @author Horia Chiorean (hchiorea@redhat.com)
*/
public final class NodeTypesImporter {
protected final JcrRepository.RunningState repository;
private final List<String> nodeTypesFiles;
protected NodeTypesImporter( List<String> nodeTypesFiles,
JcrRepository.RunningState repository ) {
this.nodeTypesFiles = nodeTypesFiles;
this.repository = repository;
}
void importNodeTypes() throws RepositoryException {
if (nodeTypesFiles.isEmpty()) {
return;
}
List<NodeTypeDefinition> nodeTypeDefinitions = new ArrayList<NodeTypeDefinition>();
Set<NamespaceRegistry.Namespace> namespaces = new HashSet<NamespaceRegistry.Namespace>();
for (String cndFile : nodeTypesFiles) {
CndImportOperation cndImportOperation = new CndImportOperation();
cndImportOperation.execute(cndFile);
nodeTypeDefinitions.addAll(cndImportOperation.getNodeTypeDefinitions());
namespaces.addAll(cndImportOperation.getNamespaces());
}
if (!nodeTypeDefinitions.isEmpty()) {
repository.nodeTypeManager().registerNodeTypes(nodeTypeDefinitions, false, false, true);
}
if (!namespaces.isEmpty()) {
repository.persistentRegistry().register(namespaces);
}
}
private final class CndImportOperation {
private List<NodeTypeDefinition> nodeTypeDefinitions = Collections.emptyList();
private Set<NamespaceRegistry.Namespace> namespaces = Collections.emptySet();
protected CndImportOperation() {
}
void execute( String cndFile ) {
try {
InputStream cndFileStream = getInputStreamForFile(cndFile);
if (cndFileStream == null) {
repository.warn(JcrI18n.cannotLoadCndFile, cndFile);
return;
}
CndImporter cndImporter = new CndImporter(repository.context());
Problems importProblems = new SimpleProblems();
cndImporter.importFrom(cndFileStream, importProblems, cndFile);
for (Problem problem : importProblems) {
if (problem.getStatus() == Problem.Status.ERROR) {
if (problem.getThrowable() != null) {
repository.error(problem.getThrowable(), problem.getMessage(), problem.getParameters());
} else {
repository.error(problem.getMessage(), problem.getParameters());
}
} else if (problem.getStatus() == Problem.Status.WARNING) {
repository.warn(problem.getMessage(), problem.getParameters());
}
}
if (importProblems.hasErrors()) {
return;
}
this.nodeTypeDefinitions = cndImporter.getNodeTypeDefinitions();
this.namespaces = cndImporter.getNamespaces();
} catch (IOException e) {
repository.error(e, JcrI18n.errorReadingCndFile, cndFile);
}
}
private InputStream getInputStreamForFile( String cndFileString ) {
return IoUtil.getResourceAsStream(cndFileString,
repository.environment().getClassLoader(
NodeTypesImporter.class.getClassLoader()),
null);
}
Set<NamespaceRegistry.Namespace> getNamespaces() {
return namespaces;
}
List<NodeTypeDefinition> getNodeTypeDefinitions() {
return nodeTypeDefinitions;
}
}
}