/*
* Copyright 2006-2012 the original author or authors.
*
* Licensed 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 com.consol.citrus.functions.core;
import com.consol.citrus.context.TestContext;
import com.consol.citrus.exceptions.CitrusRuntimeException;
import com.consol.citrus.exceptions.InvalidFunctionUsageException;
import com.consol.citrus.functions.Function;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.List;
/**
* Function gets the local host address. Usually some IP address (e.g. 192.168.2.100).
* This enables us to access the localhost dynamically in tests.
*
* @author Christoph Deppisch
*/
public class LocalHostAddressFunction implements Function {
/**
* {@inheritDoc}
*/
public String execute(List<String> parameterList, TestContext context) {
if (!parameterList.isEmpty()) {
throw new InvalidFunctionUsageException("Unexpected parameter for function.");
}
try {
return InetAddress.getLocalHost().getHostName();
} catch (UnknownHostException e) {
throw new CitrusRuntimeException("Unable to locate local host address", e);
}
}
}