001    // Copyright 2006 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.internal.parser;
016    
017    import org.apache.tapestry5.ioc.Location;
018    
019    /**
020     * A token containing an expression expansion from the template. Expression expansions look like Ant variables, i.e.,
021     * "${xyz}", where xyz is a binding expression. It may have a prefix or not ("prop:" will be the default prefix if not
022     * specified).
023     */
024    public class ExpansionToken extends TemplateToken
025    {
026        private final String expression;
027    
028        public ExpansionToken(String expression, Location location)
029        {
030            super(TokenType.EXPANSION, location);
031    
032            this.expression = expression;
033        }
034    
035        public String getExpression()
036        {
037            return expression;
038        }
039    
040        @Override
041        public String toString()
042        {
043            return String.format("Expression[%s]", expression);
044        }
045    }