| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| AbstractTemplateEngine |
|
| 3.2;3.2 |
| 1 | /* | |
| 2 | * $Source$ | |
| 3 | * $Revision$ | |
| 4 | * | |
| 5 | * Copyright (C) 2006 Tim Pizey | |
| 6 | * | |
| 7 | * Part of Melati (http://melati.org), a framework for the rapid | |
| 8 | * development of clean, maintainable web applications. | |
| 9 | * | |
| 10 | * Melati is free software; Permission is granted to copy, distribute | |
| 11 | * and/or modify this software under the terms either: | |
| 12 | * | |
| 13 | * a) the GNU General Public License as published by the Free Software | |
| 14 | * Foundation; either version 2 of the License, or (at your option) | |
| 15 | * any later version, | |
| 16 | * | |
| 17 | * or | |
| 18 | * | |
| 19 | * b) any version of the Melati Software License, as published | |
| 20 | * at http://melati.org | |
| 21 | * | |
| 22 | * You should have received a copy of the GNU General Public License and | |
| 23 | * the Melati Software License along with this program; | |
| 24 | * if not, write to the Free Software Foundation, Inc., | |
| 25 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the | |
| 26 | * GNU General Public License and visit http://melati.org to obtain the | |
| 27 | * Melati Software License. | |
| 28 | * | |
| 29 | * Feel free to contact the Developers of Melati (http://melati.org), | |
| 30 | * if you would like to work out a different arrangement than the options | |
| 31 | * outlined here. It is our intention to allow Melati to be used by as | |
| 32 | * wide an audience as possible. | |
| 33 | * | |
| 34 | * This program is distributed in the hope that it will be useful, | |
| 35 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 36 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 37 | * GNU General Public License for more details. | |
| 38 | * | |
| 39 | * Contact details for copyright holder: | |
| 40 | * | |
| 41 | * Tim Pizey <timp At paneris.org> | |
| 42 | * http://paneris.org/~timp | |
| 43 | */ | |
| 44 | package org.melati.template; | |
| 45 | ||
| 46 | import java.util.Enumeration; | |
| 47 | import java.util.Vector; | |
| 48 | ||
| 49 | /** | |
| 50 | * Common elements of a TemplateEngine. | |
| 51 | * | |
| 52 | */ | |
| 53 | public abstract class AbstractTemplateEngine implements TemplateEngine { | |
| 54 | ||
| 55 | 390 | protected Vector<String> roots = new Vector<String>(); |
| 56 | ||
| 57 | /** | |
| 58 | * Constructor. | |
| 59 | */ | |
| 60 | public AbstractTemplateEngine() { | |
| 61 | 390 | super(); |
| 62 | 390 | addRoot(""); |
| 63 | 390 | } |
| 64 | ||
| 65 | /** | |
| 66 | * {@inheritDoc} | |
| 67 | * @see org.melati.template.TemplateEngine#getTemplateName(java.lang.String, java.lang.String) | |
| 68 | */ | |
| 69 | public String getTemplateName(String key, String classifier) { | |
| 70 | 7 | String templateResourceName = null; |
| 71 | 7 | Enumeration<String> theRoots = getRoots(); |
| 72 | 9 | while(theRoots.hasMoreElements()) { |
| 73 | 7 | String root = (String)theRoots.nextElement(); |
| 74 | 7 | templateResourceName = "/" + emptyOrSlashEnded(root) + |
| 75 | 7 | emptyOrSlashEnded(classifier) + |
| 76 | key + | |
| 77 | 7 | templateExtension(); |
| 78 | 7 | if (this.getClass().getResource(templateResourceName) == null) { |
| 79 | 3 | templateResourceName = "/" + emptyOrSlashEnded(root) + |
| 80 | 3 | key + templateExtension(); |
| 81 | } else | |
| 82 | break; | |
| 83 | ||
| 84 | 3 | if (this.getClass().getResource(templateResourceName) != null) |
| 85 | 1 | break; |
| 86 | else | |
| 87 | 2 | templateResourceName = null; |
| 88 | 2 | } |
| 89 | 7 | if (templateResourceName == null) |
| 90 | 2 | return key; |
| 91 | else | |
| 92 | 5 | return templateResourceName; |
| 93 | } | |
| 94 | ||
| 95 | private String emptyOrSlashEnded(String in) { | |
| 96 | 17 | if (in == null) |
| 97 | 4 | return ""; |
| 98 | 13 | if (in.equals("")) |
| 99 | 5 | return ""; |
| 100 | 8 | if(in.endsWith("/")) |
| 101 | 2 | return in; |
| 102 | ||
| 103 | 6 | return in + "/"; |
| 104 | } | |
| 105 | ||
| 106 | ||
| 107 | /** | |
| 108 | * {@inheritDoc} | |
| 109 | * @see org.melati.template.TemplateEngine#getRoots() | |
| 110 | */ | |
| 111 | public Enumeration<String> getRoots() { | |
| 112 | 19 | return roots.elements(); |
| 113 | } | |
| 114 | ||
| 115 | /** | |
| 116 | * Add root at index 0, | |
| 117 | * so that the empty string is always returned last by <code>elements</code>. | |
| 118 | * @see org.melati.template.TemplateEngine#addRoot(java.lang.String) | |
| 119 | */ | |
| 120 | public void addRoot(String root) { | |
| 121 | 398 | roots.insertElementAt(root,0); |
| 122 | 398 | } |
| 123 | ||
| 124 | } |