/*
* 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.deltaspike.core.impl.config;
import java.io.IOException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.deltaspike.core.spi.config.ConfigSource;
import org.apache.deltaspike.core.spi.config.ConfigSourceProvider;
import org.apache.deltaspike.core.util.PropertyFileUtils;
/**
* Register all property files with the given propertyFileName
* as {@link ConfigSource}.
*/
class EnvironmentPropertyConfigSourceProvider implements ConfigSourceProvider
{
private static final Logger LOG = Logger.getLogger(EnvironmentPropertyConfigSourceProvider.class.getName());
private List<ConfigSource> configSources = new ArrayList<ConfigSource>();
EnvironmentPropertyConfigSourceProvider(String propertyFileName, boolean optional)
{
try
{
Enumeration<URL> propertyFileUrls = PropertyFileUtils.resolvePropertyFiles(propertyFileName);
if (!optional && !propertyFileUrls.hasMoreElements())
{
throw new IllegalStateException(propertyFileName + " wasn't found.");
}
while (propertyFileUrls.hasMoreElements())
{
URL propertyFileUrl = propertyFileUrls.nextElement();
LOG.log(Level.INFO,
"Custom config found by DeltaSpike. Name: ''{0}'', URL: ''{1}''",
new Object[] {propertyFileName, propertyFileUrl});
configSources.add(new PropertyFileConfigSource(propertyFileUrl));
}
}
catch (IOException ioe)
{
throw new IllegalStateException("problem while loading DeltaSpike property files", ioe);
}
}
@Override
public List<ConfigSource> getConfigSources()
{
return configSources;
}
}