/*
* Copyright 2010 NCHOVY
*
* Licensed 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.krakenapps.sonar.httpheaderparser.parser;
import java.util.ArrayList;
import java.util.List;
import org.krakenapps.bnf.Binding;
import org.krakenapps.bnf.Parser;
import org.krakenapps.sonar.passive.fingerprint.HttpApplicationMetaData;
public class UserAgentParser implements Parser {
//private String extractValueFromBinding( Binding b )
private List<HttpApplicationMetaData> extractValueFromBinding( Binding b )
{
Binding[] children = b.getChildren();
if( children == null )
{
List<HttpApplicationMetaData> metaDatas = new ArrayList<HttpApplicationMetaData>();
metaDatas.add((HttpApplicationMetaData)b.getValue());
return metaDatas;
//return (String) b.getValue()+"\n";
}
List<HttpApplicationMetaData> metaDatas = new ArrayList<HttpApplicationMetaData>();
//String strRet="";
for( Binding child : children )
{
for( HttpApplicationMetaData metadata : extractValueFromBinding(child) )
{
if( metadata != null )
metaDatas.add(metadata);
}
//strRet += extractValueFromBinding(child);
}
return metaDatas;
//return strRet;
}
@Override
public Object parse(Binding b) {
Binding[] children = b.getChildren();
if (children == null || children.length <= 2) {
return null;
}
if( children != null && children.length > 2 ){
return extractValueFromBinding(children[2]);
}
throw new UnsupportedOperationException();
}
}