/*
* 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.brooklyn.core.location;
import static com.google.common.base.Preconditions.checkNotNull;
import java.util.Map;
import org.apache.brooklyn.api.location.Location;
import org.apache.brooklyn.api.location.LocationDefinition;
import org.apache.brooklyn.api.location.LocationRegistry;
import org.apache.brooklyn.api.location.LocationResolver;
import org.apache.brooklyn.api.mgmt.ManagementContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* looks up based on ID in DefinedLocations map
*/
public class DefinedLocationByIdResolver implements LocationResolver {
public static final Logger log = LoggerFactory.getLogger(DefinedLocationByIdResolver.class);
public static final String ID = "id";
private volatile ManagementContext managementContext;
@Override
public void init(ManagementContext managementContext) {
this.managementContext = checkNotNull(managementContext, "managementContext");
}
@SuppressWarnings({ "rawtypes" })
@Override
public Location newLocationFromString(Map locationFlags, String spec, LocationRegistry registry) {
String id = spec;
if (spec.toLowerCase().startsWith(ID+":")) {
id = spec.substring( (ID+":").length() );
}
LocationDefinition ld = registry.getDefinedLocationById(id);
ld.getSpec();
return ((BasicLocationRegistry)registry).resolveLocationDefinition(ld, locationFlags, null);
}
@Override
public String getPrefix() {
return ID;
}
/** accepts anything starting id:xxx or just xxx where xxx is a defined location ID */
@Override
public boolean accepts(String spec, LocationRegistry registry) {
if (BasicLocationRegistry.isResolverPrefixForSpec(this, spec, false)) return true;
if (registry.getDefinedLocationById(spec)!=null) return true;
return false;
}
}