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
015package org.apache.tapestry5.internal.services;
016
017import org.apache.tapestry5.services.StackTraceElementAnalyzer;
018import 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 */
026public class SyntheticStackTraceElementAnalyzer implements StackTraceElementAnalyzer
027{
028    public String classForFrame(StackTraceElement frame)
029    {
030        return frame.getLineNumber() == 1 ? StackTraceElementClassConstants.OMITTED : null;
031    }
032
033}