package org.drools.decisiontable.model;
/*
* Copyright 2005 (C) The Werken Company. All Rights Reserved.
*
* Redistribution and use of this software and associated documentation
* ("Software"), with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain copyright statements and
* notices. Redistributions must also contain a copy of this document.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The name "drools" must not be used to endorse or promote products derived
* from this Software without prior written permission of The Werken Company.
* For written permission, please contact bob@werken.com.
*
* 4. Products derived from this Software may not be called "drools" nor may
* "drools" appear in their names without prior written permission of The Werken
* Company. "drools" is a registered trademark of The Werken Company.
*
* 5. Due credit should be given to The Werken Company.
* (http://drools.werken.com/).
*
* THIS SOFTWARE IS PROVIDED BY THE WERKEN COMPANY AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE WERKEN COMPANY OR ITS CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
import java.text.StringCharacterIterator;
/**
* @author <a href="mailto:michael.neale@gmail.com"> Michael Neale </a>
*
* The LayerSupertype for this model/parse tree.
*/
public abstract class DRLElement
{
private String _comment;
public void setComment(String comment)
{
_comment = comment;
}
String getComment()
{
return _comment;
}
/**
* This escapes plain snippets into an xml/drl safe format.
*
* @param snippet
* @return An escaped DRL safe string.
*/
static String escapeSnippet(String snippet)
{
if ( snippet != null )
{
final StringBuffer result = new StringBuffer( );
final StringCharacterIterator iterator = new StringCharacterIterator( snippet );
char character = iterator.current( );
while ( character != StringCharacterIterator.DONE )
{
if ( character == '<' )
{
result.append( "<" );
}
else if ( character == '>' )
{
result.append( ">" );
} // What else really needs to be escaped? SAX parsers are
// inconsistent here...
/*
* else if (character == '\"') { result.append("""); } else
* if (character == '\'') { result.append("'"); } else if
* (character == '\\') { result.append("\"); }
*/
else if ( character == '&' )
{
result.append( "&" );
}
else
{
// the char is not a special one
// add it to the result as is
result.append( character );
}
character = iterator.next( );
}
return result.toString( );
}
return null;
}
}