/*
*
* 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 flex2.compiler.extensions;
import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import flex2.compiler.common.ConfigurationPathResolver;
import flex2.compiler.common.PathResolver;
import flex2.compiler.config.ConfigurationException;
import flex2.compiler.config.ConfigurationInfo;
import flex2.compiler.config.ConfigurationValue;
/**
* This class handles extension specific configuration options.
* Currently, there is only one, -compiler.extensions.extension.
*
* @author Andrew Westberg
*/
public class ExtensionsConfiguration
{
private ConfigurationPathResolver configResolver;
public void setConfigPathResolver( ConfigurationPathResolver resolver )
{
this.configResolver = resolver;
}
private Map<String, List<String>> extensionMappings;
public Map<String, List<String>> getExtensionMappings()
{
if ( extensionMappings == null )
{
extensionMappings = new LinkedHashMap<String, List<String>>();
}
return extensionMappings;
}
public void setExtensionMappings( Map<String, List<String>> extensionMappings )
{
this.extensionMappings = extensionMappings;
}
//
// 'compiler.extensions.extension' option
//
public File[] getExtension()
{
if ( extensionMappings != null )
{
return extensionMappings.keySet().toArray( new File[0] );
}
else
{
return null;
}
}
/**
* Configures a list of many extensions mapped to a single Extension URI. <extension>
* <extension>something-extension.jar</extension> <parameters>version=1.1,content=1.2</parameters> </extension>
*
* @param cfgval The configuration value context.
* @param args A List of values for the Extension element, with the first item expected to be the uri and the
* remaining are extension paths.
* @throws ConfigurationException When no arg is provided or when the jar does not exist.
*/
public void cfgExtension( ConfigurationValue cfgval, List<String> args )
throws ConfigurationException
{
if ( args == null )
{
throw new ConfigurationException.CannotOpen( null, cfgval.getVar(), cfgval.getSource(), cfgval.getLine() );
}
PathResolver resolver = new PathResolver();
if ( resolver == null || configResolver == null )
{
throw new ConfigurationException.CannotOpen( null, cfgval.getVar(), cfgval.getSource(), cfgval.getLine() );
}
Iterator<String> iterator = args.iterator();
String extension = iterator.next();
File file = new File( extension );
if ( !file.exists() )
{
throw new ConfigurationException.NotAFile( extension, cfgval.getVar(), cfgval.getSource(), cfgval.getLine() );
}
List<String> parameters = new ArrayList<String>();
while ( iterator.hasNext() )
{
parameters.add( iterator.next() );
}
getExtensionMappings().put( file.getAbsolutePath(), parameters );
}
public static ConfigurationInfo getExtensionInfo()
{
return new ConfigurationInfo( -1, new String[] { "extension", "parameters" } )
{
public boolean allowMultiple()
{
return true;
}
};
}
}