/*
* JBoss, Home of Professional Open Source
* Copyright 2011, Red Hat Middleware LLC, and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 org.jboss.arquillian.config.impl.extension;
import org.jboss.arquillian.config.descriptor.api.ArquillianDescriptor;
import org.jboss.shrinkwrap.descriptor.api.Descriptors;
/**
* External utility capable of accepting a {@link ArquillianDescriptor},
* replacing any sysprop EL expressions with a proper value or default,
* and returning a new instance of the {@link ArquillianDescriptor}.
* Fulfills ARQ-148.
*
* TODO To eventually become part of a chain-based event mechanism
* as defined by ARQ-284.
*
* @author <a href="mailto:alr@jboss.org">Andrew Lee Rubinger</a>
*/
class ConfigurationSysPropResolver
{
/**
* Internal ctor, not to be called
*/
private ConfigurationSysPropResolver()
{
throw new UnsupportedOperationException("No instances permitted");
}
/**
* Returns a new instance of {@link ArquillianDescriptor} by resolving any
* sysprop EL expressions in the provided {@link ArquillianDescriptor} to real
* values or defaults
* @param descriptor The input to resolve, required
* @return
* @throws IllegalArgumentException
*/
static ArquillianDescriptor resolveSystemProperties(final ArquillianDescriptor descriptor)
throws IllegalArgumentException
{
final String descrStr = descriptor.exportAsString();
final ArquillianDescriptor newArqDescriptor = Descriptors.importAs(ArquillianDescriptor.class).from(
StringPropertyReplacer.replaceProperties(descrStr));
return newArqDescriptor;
}
}