/*
* 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.core;
import static org.apache.jackrabbit.core.config.RepositoryConfigurationParser.REPOSITORY_HOME_VARIABLE;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collections;
import java.util.HashSet;
import java.util.Map;
import java.util.HashMap;
import java.util.Properties;
import java.util.Set;
import javax.jcr.Repository;
import javax.jcr.RepositoryException;
import org.apache.jackrabbit.api.JackrabbitRepository;
import org.apache.jackrabbit.api.JackrabbitRepositoryFactory;
import org.apache.jackrabbit.api.management.RepositoryManager;
import org.apache.jackrabbit.commons.JcrUtils;
/**
* <code>RepositoryFactoryImpl</code> implements a repository factory that
* creates a {@link TransientRepository} on {@link #getRepository(Map)}.
*/
public class RepositoryFactoryImpl implements JackrabbitRepositoryFactory {
/**
* Name of the repository home parameter.
*/
public static final String REPOSITORY_HOME
= "org.apache.jackrabbit.repository.home";
/**
* Name of the repository configuration parameter.
*/
public static final String REPOSITORY_CONF
= "org.apache.jackrabbit.repository.conf";
/**
* Map of repository instances.
* Key = repository parameters, value = repository instance.
*/
private static final Map<Properties, TransientRepository> REPOSITORIES =
new HashMap<Properties, TransientRepository>();
/**
* The repository instances that were created by this factory.
*/
private final Set<TransientRepository> ownRepositories =
new HashSet<TransientRepository>();
public Repository getRepository(Map parameters) throws RepositoryException {
if (parameters == null) {
return getRepository(null, Collections.emptyMap());
} else if (parameters.containsKey(REPOSITORY_HOME)) {
String home = parameters.get(REPOSITORY_HOME).toString();
return getRepository(home, parameters);
} else if (parameters.containsKey(JcrUtils.REPOSITORY_URI)) {
Object parameter = parameters.get(JcrUtils.REPOSITORY_URI);
try {
URI uri = new URI(parameter.toString().trim());
String scheme = uri.getScheme();
if (("file".equalsIgnoreCase(scheme)
|| "jcr-jackrabbit".equalsIgnoreCase(scheme))
&& uri.getAuthority() == null) {
File file = new File(uri.getPath());
if (file.isFile()) {
return null; // Not a (possibly missing) directory
} else {
return getRepository(file.getPath(), parameters);
}
} else {
return null; // not a file: or jcr-jackrabbit: URI
}
} catch (URISyntaxException e) {
return null; // not a valid URI
}
} else {
return null; // unknown or insufficient parameters
}
}
private Repository getRepository(String home, Map<?, ?> parameters)
throws RepositoryException {
TransientRepository repository =
getOrCreateRepository(home, parameters);
ownRepositories.add(repository);
return repository;
}
/**
* Either returns a cached repository or creates a repository instance and
* puts it into the {@link #REPOSITORIES} cache.
*
* @param home path to the repository home.
* @return the repository instance.
* @throws RepositoryException if an error occurs while creating the
* repository instance.
*/
private static synchronized TransientRepository getOrCreateRepository(
String home, Map<?, ?> parameters) throws RepositoryException {
// Prepare the repository properties
Properties properties = new Properties(System.getProperties());
for (Map.Entry<?, ?> entry : parameters.entrySet()) {
Object key = entry.getKey();
if (key != null) {
Object value = entry.getValue();
if (value != null) {
properties.setProperty(
key.toString(), value.toString());
} else {
properties.remove(key.toString());
}
}
}
if (home != null) {
properties.put(REPOSITORY_HOME_VARIABLE, home);
}
TransientRepository repository = REPOSITORIES.get(properties);
if (repository == null) {
try {
TransientRepository tr;
if (home == null) {
tr = new TransientRepository(properties);
// also remember this instance as the default repository
REPOSITORIES.put(null, tr);
} else {
tr = new TransientRepository(properties);
}
REPOSITORIES.put(properties, tr);
repository = tr;
} catch (IOException e) {
throw new RepositoryException(
"Failed to install repository configuration", e);
}
}
return repository;
}
public RepositoryManager getRepositoryManager(JackrabbitRepository repo) throws RepositoryException {
if (!(repo instanceof TransientRepository)) {
throw new RepositoryException("The repository was not created in this factory");
}
if (!ownRepositories.contains(repo)) {
throw new RepositoryException("The repository was not created in this factory");
}
return new RepositoryManagerImpl((TransientRepository) repo);
}
}