/*
* 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.resourceresolver.impl;
import java.util.HashMap;
import java.util.Map;
import org.apache.sling.api.resource.LoginException;
import org.apache.sling.api.resource.ResourceProviderFactory;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.resource.ResourceResolverFactory;
import org.apache.sling.serviceusermapping.ServiceUserMapper;
import org.osgi.framework.Bundle;
/**
* The <code>ResourceResolverFactoryImpl</code> is the {@link ResourceResolverFactory} service
* providing the following
* functionality:
* <ul>
* <li><code>ResourceResolverFactory</code> service
* <li>Fires OSGi EventAdmin events on behalf of internal helper objects
* </ul>
*
*/
public class ResourceResolverFactoryImpl implements ResourceResolverFactory {
private final CommonResourceResolverFactoryImpl commonFactory;
private final ServiceUserMapper serviceUserMapper;
private final Bundle usingBundle;
public ResourceResolverFactoryImpl(
final CommonResourceResolverFactoryImpl commonFactory,
final Bundle usingBundle,
final ServiceUserMapper serviceUserMapper) {
this.commonFactory = commonFactory;
this.serviceUserMapper = serviceUserMapper;
this.usingBundle = usingBundle;
}
// ---------- Resource Resolver Factory ------------------------------------
/**
* @see org.apache.sling.api.resource.ResourceResolverFactory#getServiceResourceResolver(java.util.Map)
*/
public ResourceResolver getServiceResourceResolver(final Map<String, Object> passedAuthenticationInfo) throws LoginException {
// create a copy of the passed authentication info as we modify the map
final Map<String, Object> authenticationInfo = new HashMap<String, Object>();
final String subServiceName;
if ( passedAuthenticationInfo != null ) {
authenticationInfo.putAll(passedAuthenticationInfo);
authenticationInfo.remove(PASSWORD);
final Object info = passedAuthenticationInfo.get(SUBSERVICE);
subServiceName = (info instanceof String) ? (String) info : null;
} else {
subServiceName = null;
}
// Ensure a mapped user name: If no user is defined for a bundle
// acting as a service, the user may be null. We can decide whether
// this should yield guest access or no access at all. For now
// no access is granted if there is no service user defined for
// the bundle.
final String userName = this.serviceUserMapper.getServiceUserID(this.usingBundle, subServiceName);
if (userName == null) {
throw new LoginException("Cannot derive user name for bundle "
+ this.usingBundle + " and sub service " + subServiceName);
}
// ensure proper user name and service bundle
authenticationInfo.put(ResourceResolverFactory.USER, userName);
authenticationInfo.put(ResourceProviderFactory.SERVICE_BUNDLE, this.usingBundle);
return commonFactory.getResourceResolverInternal(authenticationInfo, false);
}
/**
* @see org.apache.sling.api.resource.ResourceResolverFactory#getResourceResolver(java.util.Map)
*/
public ResourceResolver getResourceResolver(
final Map<String, Object> authenticationInfo) throws LoginException {
return commonFactory.getResourceResolver(authenticationInfo);
}
/**
* @see org.apache.sling.api.resource.ResourceResolverFactory#getAdministrativeResourceResolver(java.util.Map)
*/
public ResourceResolver getAdministrativeResourceResolver(
final Map<String, Object> authenticationInfo) throws LoginException {
return commonFactory.getAdministrativeResourceResolver(authenticationInfo);
}
/**
* @see org.apache.sling.api.resource.ResourceResolverFactory#getThreadResourceResolver()
*/
public ResourceResolver getThreadResourceResolver() {
return commonFactory.getThreadResourceResolver();
}
}