| 1 | package org.apache.velocity.runtime.directive; |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2000-2001,2004 The Apache Software Foundation. |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | */ |
| 18 | |
| 19 | import java.util.Stack; |
| 20 | |
| 21 | /** |
| 22 | * Exception for #parse() problems |
| 23 | * |
| 24 | * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a> |
| 25 | * @version $Id: ParseDirectiveException.java,v 1.4.14.1 2004/03/03 23:22:56 geirm Exp $ |
| 26 | */ |
| 27 | public class ParseDirectiveException extends Exception |
| 28 | { |
| 29 | private Stack filenameStack = new Stack(); |
| 30 | private String msg = ""; |
| 31 | private int depthCount = 0; |
| 32 | |
| 33 | /** |
| 34 | * Constructor |
| 35 | */ |
| 36 | ParseDirectiveException( String m, int i ) |
| 37 | { |
| 38 | msg = m; |
| 39 | depthCount = i; |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * Get a message. |
| 44 | */ |
| 45 | public String getMessage() |
| 46 | { |
| 47 | String returnStr = "#parse() exception : depth = " + |
| 48 | depthCount + " -> " + msg; |
| 49 | |
| 50 | returnStr += " File stack : "; |
| 51 | |
| 52 | try |
| 53 | { |
| 54 | while( !filenameStack.empty()) |
| 55 | { |
| 56 | returnStr += (String) filenameStack.pop(); |
| 57 | returnStr += " -> "; |
| 58 | } |
| 59 | } |
| 60 | catch( Exception e) |
| 61 | { |
| 62 | } |
| 63 | |
| 64 | return returnStr; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Add a file to the filename stack |
| 69 | */ |
| 70 | public void addFile( String s ) |
| 71 | { |
| 72 | filenameStack.push( s ); |
| 73 | } |
| 74 | |
| 75 | } |