001    // Copyright 2009 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.services;
016    
017    import org.apache.tapestry5.services.StackTraceElementAnalyzer;
018    import org.apache.tapestry5.services.StackTraceElementClassConstants;
019    
020    /**
021     * Identifies any code associated with line 1 as omitted (i.e., it's a synthetic
022     * method related to an inner class).
023     * 
024     * @since 5.2.0
025     */
026    public class SyntheticStackTraceElementAnalyzer implements StackTraceElementAnalyzer
027    {
028        public String classForFrame(StackTraceElement frame)
029        {
030            return frame.getLineNumber() == 1 ? StackTraceElementClassConstants.OMITTED : null;
031        }
032    
033    }