/*
* 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.jackrabbit.oak.plugins.nodetype.write;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import javax.annotation.Nonnull;
import javax.jcr.NamespaceRegistry;
import javax.jcr.RepositoryException;
import javax.jcr.ValueFactory;
import javax.jcr.nodetype.NodeTypeManager;
import com.google.common.base.Charsets;
import org.apache.jackrabbit.commons.cnd.CndImporter;
import org.apache.jackrabbit.commons.cnd.ParseException;
import org.apache.jackrabbit.oak.api.Root;
import org.apache.jackrabbit.oak.api.Tree;
import org.apache.jackrabbit.oak.namepath.GlobalNameMapper;
import org.apache.jackrabbit.oak.namepath.NamePathMapperImpl;
import org.apache.jackrabbit.oak.plugins.name.ReadWriteNamespaceRegistry;
import org.apache.jackrabbit.oak.plugins.value.ValueFactoryImpl;
import static org.apache.jackrabbit.oak.plugins.nodetype.NodeTypeConstants.NODE_TYPES_PATH;
/**
* {@code BuiltInNodeTypes} is a utility class that registers the built-in
* node types required for a JCR repository running on Oak.
*/
public final class NodeTypeRegistry {
private final NodeTypeManager ntMgr;
private final NamespaceRegistry nsReg;
private final ValueFactory vf;
private NodeTypeRegistry(final Root root) {
this.ntMgr = new ReadWriteNodeTypeManager() {
@Override
protected Tree getTypes() {
return root.getTree(NODE_TYPES_PATH);
}
@Nonnull
@Override
protected Root getWriteRoot() {
return root;
}
};
this.nsReg = new ReadWriteNamespaceRegistry(root) {
@Override
protected Root getWriteRoot() {
return root;
}
};
this.vf = new ValueFactoryImpl(
root, new NamePathMapperImpl(new GlobalNameMapper(root)));
}
/**
* Registers built in node types using the given {@link Root}.
*
* @param root the {@link Root} instance.
*/
static void registerBuiltIn(final Root root) {
try {
InputStream stream = NodeTypeRegistry.class.getResourceAsStream("builtin_nodetypes.cnd");
try {
register(root, stream, "built-in node types");
} finally {
stream.close();
}
} catch (IOException e) {
throw new IllegalStateException("Unable to read built-in node types", e);
}
}
/**
* Register the node type definitions contained in the specified {@code input}
* using the given {@link Root}.
*
* @param root The {@code Root} to register the node types.
* @param input The input stream containing the node type defintions to be registered.
* @param systemId An informative id of the given input.
*/
public static void register(Root root, InputStream input, String systemId) {
new NodeTypeRegistry(root).registerNodeTypes(input, systemId);
}
private void registerNodeTypes(InputStream stream, String systemId) {
try {
CndImporter.registerNodeTypes(
new InputStreamReader(stream, Charsets.UTF_8),
systemId, ntMgr, nsReg, vf, false);
} catch (IOException e) {
throw new IllegalStateException("Unable to read " + systemId, e);
} catch (ParseException e) {
throw new IllegalStateException("Unable to parse " + systemId, e);
} catch (RepositoryException e) {
throw new IllegalStateException("Unable to register " + systemId, e);
}
}
}