/*
* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package com.sun.corba.se.spi.orb ;
import java.util.List ;
import java.util.LinkedList ;
import java.util.Map ;
import java.util.HashMap ;
import java.util.Iterator ;
import java.util.Properties ;
import com.sun.corba.se.impl.orb.ParserAction ;
import com.sun.corba.se.impl.orb.ParserActionFactory ;
public class PropertyParser {
private List actions ;
public PropertyParser( )
{
actions = new LinkedList() ;
}
public PropertyParser add( String propName,
Operation action, String fieldName )
{
actions.add( ParserActionFactory.makeNormalAction( propName,
action, fieldName ) ) ;
return this ;
}
public PropertyParser addPrefix( String propName,
Operation action, String fieldName, Class componentType )
{
actions.add( ParserActionFactory.makePrefixAction( propName,
action, fieldName, componentType ) ) ;
return this ;
}
/** Return a map from field name to value.
*/
public Map parse( Properties props )
{
Map map = new HashMap() ;
Iterator iter = actions.iterator() ;
while (iter.hasNext()) {
ParserAction act = (ParserAction)(iter.next()) ;
Object result = act.apply( props ) ;
// A null result means that the property was not set for
// this action, so do not override the default value in this case.
if (result != null)
map.put( act.getFieldName(), result ) ;
}
return map ;
}
public Iterator iterator()
{
return actions.iterator() ;
}
}