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org.apache.commons.jelly.tags.sql.DriverTag |
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1 | /* |
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2 | * Copyright 2002,2004 The Apache Software Foundation. |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | ||
17 | package org.apache.commons.jelly.tags.sql; |
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18 | ||
19 | import org.apache.commons.jelly.JellyTagException; |
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20 | import org.apache.commons.jelly.TagSupport; |
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21 | import org.apache.commons.jelly.XMLOutput; |
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22 | ||
23 | /** |
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24 | * <p>Tag handler for <Driver> in JSTL, used to create |
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25 | * a simple DataSource for prototyping.</p> |
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26 | * |
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27 | * @author Hans Bergsten |
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28 | */ |
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29 | 0 | public class DriverTag extends TagSupport { |
30 | private static final String DRIVER_CLASS_NAME = |
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31 | "javax.servlet.jsp.jstl.sql.driver"; |
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32 | private static final String JDBC_URL = "javax.servlet.jsp.jstl.sql.jdbcURL"; |
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33 | private static final String USER_NAME = "javax.servlet.jsp.jstl.sql.userName"; |
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34 | private static final String PASSWORD = "javax.servlet.jsp.jstl.sql.password"; |
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35 | ||
36 | private String driverClassName; |
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37 | private String jdbcURL; |
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38 | 0 | private String scope = "page"; |
39 | private String userName; |
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40 | private String var; |
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41 | ||
42 | //********************************************************************* |
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43 | // Accessor methods |
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44 | ||
45 | public void setDriver(String driverClassName) { |
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46 | 0 | this.driverClassName = driverClassName; |
47 | 0 | } |
48 | ||
49 | public void setJdbcURL(String jdbcURL) { |
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50 | 0 | this.jdbcURL = jdbcURL; |
51 | 0 | } |
52 | ||
53 | /** |
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54 | * Sets the scope of the variable to hold the |
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55 | * result. |
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56 | * |
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57 | */ |
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58 | public void setScope(String scopeName) { |
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59 | 0 | this.scope = scopeName; |
60 | 0 | } |
61 | ||
62 | public void setUserName(String userName) { |
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63 | 0 | this.userName = userName; |
64 | 0 | } |
65 | ||
66 | public void setVar(String var) { |
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67 | 0 | this.var = class="keyword">var; |
68 | 0 | } |
69 | ||
70 | //********************************************************************* |
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71 | // Tag logic |
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72 | ||
73 | public void doTag(XMLOutput output) throws JellyTagException { |
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74 | 0 | DataSourceWrapper ds = new DataSourceWrapper(); |
75 | try { |
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76 | 0 | ds.setDriverClassName(getDriverClassName()); |
77 | 0 | } |
78 | catch (Exception e) { |
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79 | 0 | throw new JellyTagException("Invalid driver class name: " + e.getMessage()); |
80 | } |
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81 | 0 | ds.setJdbcURL(getJdbcURL()); |
82 | 0 | ds.setUserName(getUserName()); |
83 | 0 | ds.setPassword(getPassword()); |
84 | 0 | context.setVariable(var, ds); |
85 | 0 | } |
86 | ||
87 | //********************************************************************* |
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88 | // Private utility methods |
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89 | ||
90 | private String getDriverClassName() { |
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91 | 0 | if (driverClassName != null) { |
92 | 0 | return driverClassName; |
93 | } |
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94 | 0 | return getInitParameter(DRIVER_CLASS_NAME); |
95 | } |
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96 | ||
97 | private String getJdbcURL() { |
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98 | 0 | if (jdbcURL != null) { |
99 | 0 | return jdbcURL; |
100 | } |
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101 | 0 | return getInitParameter(JDBC_URL); |
102 | } |
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103 | ||
104 | private String getUserName() { |
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105 | 0 | if (userName != null) { |
106 | 0 | return userName; |
107 | } |
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108 | 0 | return getInitParameter(USER_NAME); |
109 | } |
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110 | ||
111 | private String getPassword() { |
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112 | 0 | return getInitParameter(PASSWORD); |
113 | } |
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114 | ||
115 | protected String getInitParameter(String key) { |
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116 | 0 | return ""; |
117 | } |
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118 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |