ComponentConfigurationPropertiesResolverImpl.java
SessionsFulcrum YAAFI > org.apache.fulcrum.yaafi.framework.configuration > ComponentConfigurationPropertiesResolverImpl.javaComponentConfigurationPropertiesResolverImpl.java
/*
* 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.fulcrum.yaafi.framework.configuration;
import java.util.Properties;
/**
* A implementation to provide out-of-the-box component configuration properties
* using the following algorithm:
*
* <ul>
*   <li>add the user-supplied defaults to the result<li>
* 	 <li>add the system properties to the result<li>
* 	 <li>add the Merlin context entries to the result<li>
* </ul>
*
* @author <a href="mailto:siegfried.goeschl@it20one.at">Siegfried Goeschl</a>
*/
public class ComponentConfigurationPropertiesResolverImpl
extends ComponentConfigurationPropertiesResolverBaseImpl
{
/**
* @see org.apache.fulcrum.yaafi.framework.configuration.ComponentConfigurationPropertiesResolver#resolve(java.util.Properties)
*/
public Properties resolve(Properties defaults) throws Exception
{
String location = this.getLocation();
Properties result = this.loadProperties(location);
if(defaults != null)
{
result.putAll(defaults);
}
result.putAll(System.getProperties());
this.addAvalonContext(result);
return result;
}
}
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