/**
* 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.hadoop.gateway.topology.builder.property.interpreter;
import org.apache.hadoop.gateway.GatewayResources;
import org.apache.hadoop.gateway.i18n.resources.ResourcesFactory;
import org.apache.hadoop.gateway.topology.Topology;
public class PropertyInterpreter extends AbstractInterpreter {
private static final String AGGREGATOR_TOPOLOGY = "topology";
private static GatewayResources gatewayResources = ResourcesFactory.get(GatewayResources.class);
private final Topology topology;
public PropertyInterpreter(Topology topology) {
if (topology == null) {
throw new IllegalArgumentException(gatewayResources.topologyIsRequiredError());
}
this.topology = topology;
}
@Override
public void interpret(String token, String value) throws InterpretException {
int firstDotPosition = token.indexOf(DOT);
if (firstDotPosition != -1) {
String aggregator = token.substring(0, firstDotPosition);
String nextToken = token.substring(firstDotPosition + 1);
if (AGGREGATOR_TOPOLOGY.equalsIgnoreCase(aggregator)) {
new TopologyPropertyInterpreter(topology).interpret(nextToken, value);
} else {
throw new InterpretException(gatewayResources.unsupportedPropertyTokenError(token));
}
} else {
throw new InterpretException(gatewayResources.unsupportedPropertyTokenError(token));
}
}
}