package org.apache.torque.generator.configuration.option;
/*
* 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.
*/
import java.io.IOException;
import java.io.InputStream;
import java.util.Collection;
import java.util.Properties;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.torque.generator.configuration.ConfigurationException;
import org.apache.torque.generator.configuration.ConfigurationProvider;
import org.apache.torque.generator.option.Option;
/**
* An option configuration which reads the options from a XML file
* in the java properties XML format.
*
* $Id: XmlOptionConfiguration.java 1331190 2012-04-27 02:41:35Z tfischer $
*/
public class XmlOptionConfiguration extends FileOptionsConfiguration
{
/** The class log. */
private static Log log = LogFactory.getLog(XmlOptionConfiguration.class);
/**
* Reads the options from the XML file given in the path and
* returns them.
*
* @param configurationProvider the provider to access configuration files,
* not null.
*
* @return the options contained in the file, not null.
*
* @throws ConfigurationException if the file cannot be accessed or parsed.
*/
public Collection<Option> getOptions(
ConfigurationProvider configurationProvider)
throws ConfigurationException
{
Properties properties = new Properties();
InputStream optionsInputStream = null;
try
{
optionsInputStream
= configurationProvider.getOptionsInputStream(getPath());
properties.loadFromXML(optionsInputStream);
}
catch (IOException e)
{
throw new ConfigurationException("Error reading options file "
+ getPath(),
e);
}
catch (RuntimeException e)
{
throw new ConfigurationException("Error reading options file "
+ getPath(),
e);
}
finally
{
if (optionsInputStream != null)
{
try
{
optionsInputStream.close();
}
catch (IOException e)
{
log.warn("Could not close OptionsInputStream "
+ optionsInputStream,
e);
}
}
}
return toOptions(properties);
}
}