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org.apache.commons.jelly.tags.sql.SetDataSourceTag |
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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 javax.sql.DataSource; |
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20 | ||
21 | import org.apache.commons.jelly.JellyTagException; |
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22 | import org.apache.commons.jelly.TagSupport; |
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23 | import org.apache.commons.jelly.XMLOutput; |
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24 | import org.apache.commons.jelly.tags.Resources; |
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25 | import org.apache.commons.logging.Log; |
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26 | import org.apache.commons.logging.LogFactory; |
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27 | ||
28 | /** |
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29 | * <p>Tag handler for <SetDataSource> in JSTL, used to create |
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30 | * a simple DataSource for prototyping.</p> |
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31 | * |
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32 | * @author Hans Bergsten |
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33 | * @author Justyna Horwat |
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34 | */ |
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35 | 2 | public class SetDataSourceTag extends TagSupport { |
36 | ||
37 | /** The Log to which logging calls will be made. */ |
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38 | 2 | private static final Log log = LogFactory.getLog(SetDataSourceTag.class); |
39 | ||
40 | protected Object dataSource; |
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41 | protected boolean dataSourceSpecified; |
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42 | protected String jdbcURL; |
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43 | protected String driverClassName; |
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44 | protected String userName; |
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45 | protected String password; |
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46 | ||
47 | 0 | private String scope = "page"; |
48 | private String var; |
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49 | ||
50 | //********************************************************************* |
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51 | // Constructor and initialization |
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52 | ||
53 | 0 | public SetDataSourceTag() { |
54 | 0 | } |
55 | ||
56 | //********************************************************************* |
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57 | // Accessor methods |
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58 | ||
59 | /** |
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60 | * Sets the scope of the variable to hold the |
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61 | * result. |
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62 | * |
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63 | */ |
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64 | public void setScope(String scope) { |
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65 | 0 | this.scope = scope; |
66 | 0 | } |
67 | ||
68 | public void setVar(String var) { |
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69 | 0 | this.var = class="keyword">var; |
70 | 0 | } |
71 | ||
72 | public void setDataSource(Object dataSource) { |
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73 | 0 | this.dataSource = dataSource; |
74 | 0 | this.dataSourceSpecified = true; |
75 | 0 | } |
76 | ||
77 | public void setDriver(String driverClassName) { |
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78 | 0 | this.driverClassName = driverClassName; |
79 | 0 | } |
80 | ||
81 | public void setUrl(String jdbcURL) { |
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82 | 0 | this.jdbcURL = jdbcURL; |
83 | 0 | } |
84 | ||
85 | public void setUser(String userName) { |
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86 | 0 | this.userName = userName; |
87 | 0 | } |
88 | ||
89 | public void setPassword(String password) { |
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90 | 0 | this.password = password; |
91 | 0 | } |
92 | ||
93 | //********************************************************************* |
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94 | // Tag logic |
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95 | ||
96 | public void doTag(XMLOutput output) throws JellyTagException { |
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97 | 0 | DataSource ds = null; |
98 | ||
99 | 0 | if (dataSource != null) { |
100 | 0 | ds = DataSourceUtil.getDataSource(dataSource, context); |
101 | } |
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102 | else { |
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103 | 0 | if (dataSourceSpecified) { |
104 | 0 | throw new JellyTagException(Resources.getMessage("SQL_DATASOURCE_NULL")); |
105 | } |
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106 | ||
107 | 0 | DataSourceWrapper dsw = new DataSourceWrapper(); |
108 | try { |
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109 | // set driver class iff provided by the tag |
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110 | 0 | if (driverClassName != null) { |
111 | 0 | dsw.setDriverClassName(driverClassName); |
112 | } |
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113 | 0 | } |
114 | catch (Exception e) { |
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115 | 0 | log.error( "Could not load driver class: " + e, e ); |
116 | 0 | throw new JellyTagException( |
117 | Resources.getMessage("DRIVER_INVALID_CLASS", e.getMessage())); |
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118 | } |
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119 | 0 | dsw.setJdbcURL(jdbcURL); |
120 | 0 | dsw.setUserName(userName); |
121 | 0 | dsw.setPassword(password); |
122 | 0 | ds = (DataSource) dsw; |
123 | } |
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124 | ||
125 | 0 | if (var != null) { |
126 | 0 | context.setVariable(var, ds); |
127 | } |
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128 | else { |
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129 | 0 | context.setVariable("org.apache.commons.jelly.sql.DataSource", ds); |
130 | } |
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131 | 0 | } |
132 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |