| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| ErrorHandler |
|
| 1.5;1.5 |
| 1 | /* | |
| 2 | * Copyright (C) 1998-2000 Semiotek Inc. All Rights Reserved. | |
| 3 | * | |
| 4 | * Redistribution and use in source and binary forms, with or without | |
| 5 | * modification, are permitted under the terms of either of the following | |
| 6 | * Open Source licenses: | |
| 7 | * | |
| 8 | * The GNU General Public License, version 2, or any later version, as | |
| 9 | * published by the Free Software Foundation | |
| 10 | * (http://www.fsf.org/copyleft/gpl.html); | |
| 11 | * | |
| 12 | * or | |
| 13 | * | |
| 14 | * The Semiotek Public License (http://webmacro.org/LICENSE.) | |
| 15 | * | |
| 16 | * This software is provided "as is", with NO WARRANTY, not even the | |
| 17 | * implied warranties of fitness to purpose, or merchantability. You | |
| 18 | * assume all risks and liabilities associated with its use. | |
| 19 | * | |
| 20 | * See www.webmacro.org for more information on the WebMacro project. | |
| 21 | */ | |
| 22 | ||
| 23 | ||
| 24 | package org.webmacro.servlet; | |
| 25 | ||
| 26 | import org.webmacro.Broker; | |
| 27 | import org.webmacro.ResourceException; | |
| 28 | import org.webmacro.Template; | |
| 29 | import org.webmacro.engine.StringTemplate; | |
| 30 | ||
| 31 | /** | |
| 32 | * This handler gets called if a normal handler could not | |
| 33 | * be constructed--it writes out an error message | |
| 34 | * explaining what went wrong. | |
| 35 | */ | |
| 36 | 0 | final class ErrorHandler implements Handler |
| 37 | { | |
| 38 | ||
| 39 | private static final String DEFAULT_ERROR_TEXT = | |
| 40 | "<HTML><HEAD><TITLE>Error</TITLE></HEAD>\n" | |
| 41 | + "#set $Response.ContentType = \"text/html\"\n" | |
| 42 | + "<BODY><H1>Error</H1>" | |
| 43 | + "<HR>$error</BODY></HTML>"; | |
| 44 | ||
| 45 | 0 | private Template _errorTemplate = null; |
| 46 | ||
| 47 | /** | |
| 48 | * The default error handler simply returns its template | |
| 49 | * @see TemplateStore | |
| 50 | * @exception HandlerException if you don't want to handle the connect | |
| 51 | * @return A Template which can be used to interpret the connection | |
| 52 | */ | |
| 53 | public Template accept (WebContext c) | |
| 54 | throws HandlerException | |
| 55 | { | |
| 56 | 0 | Broker broker = c.getBroker(); |
| 57 | String templateName; | |
| 58 | ||
| 59 | try | |
| 60 | { | |
| 61 | 0 | templateName = (String) broker.get("config", WMServlet.ERROR_TEMPLATE); |
| 62 | } | |
| 63 | 0 | catch (ResourceException e) |
| 64 | { | |
| 65 | 0 | templateName = WMServlet.ERROR_TEMPLATE_DEFAULT; |
| 66 | 0 | } |
| 67 | ||
| 68 | try | |
| 69 | { | |
| 70 | 0 | _errorTemplate = (Template) broker.get("template", templateName); |
| 71 | } | |
| 72 | 0 | catch (ResourceException e) |
| 73 | { | |
| 74 | 0 | _errorTemplate = new StringTemplate(broker, DEFAULT_ERROR_TEXT, |
| 75 | "WebMacro default error template"); | |
| 76 | 0 | } |
| 77 | ||
| 78 | 0 | return _errorTemplate; |
| 79 | } | |
| 80 | ||
| 81 | /** | |
| 82 | * Does nothing | |
| 83 | */ | |
| 84 | public void destroy () | |
| 85 | { | |
| 86 | 0 | } |
| 87 | ||
| 88 | /** | |
| 89 | * Does nothing | |
| 90 | */ | |
| 91 | public void init () | |
| 92 | { | |
| 93 | 0 | } |
| 94 | ||
| 95 | ||
| 96 | /** | |
| 97 | * Return the name of this handler | |
| 98 | */ | |
| 99 | final public String toString () | |
| 100 | { | |
| 101 | 0 | return "WebMacro ErrorHandler"; |
| 102 | } | |
| 103 | } | |
| 104 | ||
| 105 |