/*************************************************************************
* Copyright 2009-2012 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
************************************************************************/
package com.eucalyptus.ws.handlers;
import java.util.List;
import java.util.Map;
import com.eucalyptus.http.MappingHttpRequest;
import com.eucalyptus.util.CollectionUtils;
import com.google.common.base.Function;
/**
* Utility functionality for handlers that work with HMAC Signatures
*/
class SignatureHandlerUtils {
static Function<String,List<String>> headerLookup( final MappingHttpRequest request ) {
return new Function<String,List<String>>(){
@Override
public List<String> apply( final String header ) {
return request.getHeaders( header );
}
};
}
static Function<String,List<String>> parameterLookup( final MappingHttpRequest request ) {
final Map<String,String> parameters = request.getParameters();
return new Function<String,List<String>>(){
@Override
public List<String> apply( final String header ) {
return CollectionUtils.<String>listUnit().apply( parameters.get( header ) );
}
};
}
}