Clover coverage report - JFox Service-Oriented Application Framework - 1.0-M2 Coverage timestamp: 星期四 十一月 25 2004 17:14:11 PST FRAMES NO FRAMES |
file stats: | LOC: | 213 |  | Methods: | 5
| NCLOC: | 117 |  | Classes: | 1
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Source file | Conditionals | Statements | Methods | TOTAL
C3P0DataSourceFactory.java | 43.3% | 62.3% | 80% | 57.3% |

1 |  |
     /**
2 |  |
      * JFoxSOAF, Service-Oriented Application Framework
3 |  |
      *
4 |  |
      * Copyright (C) www.huihoo.org
5 |  |
      *
6 |  |
      * Distributable under GNU LGPL
7 |  |
      *
8 |  |
      * For more information, please visit: http://www.huihoo.org/jfox/jfoxsoaf
9 |  |
      */
10 |  |
11 |  |
     package org.huihoo.jfox.soaf.services.jdbc;
12 |  |
13 |  |
     import java.util.Enumeration;
14 |  |
     import java.util.Hashtable;
15 |  |
     import java.util.Vector;
16 |  |
17 |  |
     import javax.sql.DataSource;
18 |  |
19 |  |
     import org.apache.commons.lang.StringUtils;
20 |  |
     import org.apache.commons.lang.math.NumberUtils;
21 |  |
     import org.apache.commons.lang.BooleanUtils;
22 |  |
     import org.apache.commons.logging.Log;
23 |  |
     import org.apache.commons.logging.LogFactory;
24 |  |
     import org.huihoo.jfox.soaf.exception.DataSourceConfigurationException;
25 |  |
26 |  |
     import com.mchange.v2.c3p0.DataSources;
27 |  |
     import com.mchange.v2.c3p0.PoolConfig;
28 |  |
29 |  |
     /**
30 |  |
      * <p>
31 |  |
      * C3P0 DataSource Factory
32 |  |
      * </p>
33 |  |
      *
34 |  |
      * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
35 |  |
      * @version $Revision: 1.1 $ $Date: 2004/10/28 15:12:15 $
36 |  |
      * @version Revision: 1.0
37 |  |
      */
38 |  |
39 |  |
     public class C3P0DataSourceFactory extends DataSourceFactory {
40 |  |
41 |  |
         private final Log logger = LogFactory.getLog(getClass());
42 |  |
43 |  |
         private DataSource dataSource;
44 |  |
45 |  |
         //  The configuration attributes for this {@link DataSourceFactory}.
46 |  |
         private Hashtable attributes = new Hashtable();
47 |  |
48 |  |
         /**
49 |  |
          * @see org.huihoo.jfox.soaf.services.jdbc.DataSourceFactory#getInstance()
50 |  |
          */
51 | 4 |
         public DataSource getInstance() throws DataSourceConfigurationException {
52 | 4 |
             String jdbcDriverClass = (String) getAttribute(DatabaseConstant.JDBC_DRIVER_CLASS_NAME);
53 | 4 |
             if (StringUtils.isEmpty(jdbcDriverClass)) {
54 | 0 |
                 logger.warn("No JDBC Driver class was specified by database.properties : "
55 |  |
                                 + DatabaseConstant.JDBC_DRIVER_CLASS_NAME);
56 |  |
             } else {
57 | 4 |
                 try {
58 | 4 |
                     Class.forName(jdbcDriverClass);
59 |  |
                 } catch (ClassNotFoundException e) {
60 | 0 |
                     String errorMsg = "JDBC Driver class not found: "
61 |  |
                             + jdbcDriverClass;
62 | 0 |
                     logger.fatal(errorMsg);
63 | 0 |
                     throw new DataSourceConfigurationException(errorMsg, e);
64 |  |
                 }
65 |  |
             }
66 |  |
67 |  |
             // Set pool configuration
68 | 4 |
             PoolConfig poolConfig = new PoolConfig();
69 | 4 |
             String initPoolSize = (String) getAttribute(DatabaseConstant.JDBC_INIT_POOL_SIZE);
70 |  |
71 | 4 |
             if (!NumberUtils.isNumber(initPoolSize)) {
72 | 0 |
                 poolConfig.setInitialPoolSize(NumberUtils.stringToInt(initPoolSize));
73 |  |
             }
74 |  |
75 | 4 |
             String minPoolSize = (String) getAttribute(DatabaseConstant.JDBC_MIN_POOL_SIZE);
76 |  |
77 | 4 |
             if (!NumberUtils.isNumber(minPoolSize)) {
78 | 0 |
                 poolConfig.setMinPoolSize(NumberUtils.stringToInt(minPoolSize));
79 |  |
             }
80 |  |
81 | 4 |
             String maxPoolSize = (String) getAttribute(DatabaseConstant.JDBC_MAX_POOL_SIZE);
82 |  |
83 | 4 |
             if (!!NumberUtils.isNumber(maxPoolSize)) {
84 | 4 |
                 poolConfig.setMaxPoolSize(NumberUtils.stringToInt(maxPoolSize));
85 |  |
             }
86 |  |
87 | 4 |
             String maxIdleTime = (String) getAttribute(DatabaseConstant.JDBC_MAX_IDLE_TIME);
88 |  |
89 | 4 |
             if (!NumberUtils.isNumber(maxIdleTime)) {
90 | 0 |
                 poolConfig.setMaxIdleTime(NumberUtils.stringToInt(maxIdleTime));
91 |  |
             }
92 |  |
93 | 4 |
             String idleConnTestPeriod = (String) getAttribute(DatabaseConstant.C3P0_JDBC_IDLE_CONN_TEST_PERIOD);
94 |  |
95 | 4 |
             if (!NumberUtils.isNumber(maxIdleTime)) {
96 | 0 |
                 poolConfig.setIdleConnectionTestPeriod(NumberUtils
97 |  |
                         .stringToInt(idleConnTestPeriod));
98 |  |
             }
99 |  |
100 | 4 |
             String maxStatements = (String) getAttribute(DatabaseConstant.C3P0_JDBC_MAX_STATEMENTS);
101 |  |
102 | 4 |
             if (!NumberUtils.isNumber(maxStatements)) {
103 | 0 |
                 poolConfig.setMaxStatements(NumberUtils.stringToInt(maxStatements));
104 |  |
             }
105 |  |
106 | 4 |
             String propertyCycle = (String) getAttribute(DatabaseConstant.C3P0_JDBC_PROPERTY_CYCLE);
107 |  |
108 | 4 |
             if (!NumberUtils.isNumber(propertyCycle)) {
109 | 0 |
                 poolConfig.setPropertyCycle(NumberUtils.stringToInt(propertyCycle));
110 |  |
             }
111 |  |
112 | 4 |
             String acquireIncrement = (String) getAttribute(DatabaseConstant.C3P0_JDBC_ACQUIRE_INCREMENT);
113 |  |
114 | 4 |
             if (!NumberUtils.isNumber(acquireIncrement)) {
115 | 0 |
                 poolConfig.setAcquireIncrement(NumberUtils
116 |  |
                         .stringToInt(acquireIncrement));
117 |  |
             }
118 |  |
119 |  |
             // c3p0 version is below 0.8.5 , does't support acquireRetryAttempts,
120 |  |
             // acquireRetryDelay, breakAfterAcquireFailure,
121 |  |
             // usesTraditionalReflectiveProxies
122 |  |
123 | 4 |
             String forceIgnoreUnresolvedTransactions = (String) getAttribute(DatabaseConstant.C3P0_JDBC_FORCE_IGNORE_UNRESOLVED_TRANS);
124 |  |
125 | 4 |
             if (!StringUtils.isEmpty(forceIgnoreUnresolvedTransactions)) {
126 | 4 |
                 poolConfig.setForceIgnoreUnresolvedTransactions(BooleanUtils
127 |  |
                         .toBoolean(forceIgnoreUnresolvedTransactions));
128 |  |
             }
129 |  |
130 | 4 |
             String numHelperThreads = (String) getAttribute(DatabaseConstant.C3P0_JDBC_NUM_HELPER_THREADS);
131 |  |
132 | 4 |
             if (!NumberUtils.isNumber(numHelperThreads)) {
133 | 0 |
                 poolConfig.setNumHelperThreads(NumberUtils
134 |  |
                         .stringToInt(numHelperThreads));
135 |  |
             }
136 |  |
137 | 4 |
             String jdbcURL = (String) getAttribute(DatabaseConstant.JDBC_URL);
138 | 4 |
             if (StringUtils.isEmpty(jdbcURL)) {
139 | 0 |
                 logger.error("No JDBC url was specified by database.properties");
140 | 0 |
                 throw new DataSourceConfigurationException(
141 |  |
                         "No JDBC url was specified");
142 |  |
             } else {
143 | 4 |
                 String jdbcUsername = (String) getAttribute(DatabaseConstant.JDBC_USERNAME);
144 | 4 |
                 String jdbcPassword = (String) getAttribute(DatabaseConstant.JDBC_PASSWORD);
145 |  |
146 | 4 |
                 DataSource unpooledDataSource = DataSources.unpooledDataSource(
147 |  |
                         jdbcURL, jdbcUsername, jdbcPassword);
148 | 4 |
                 dataSource = DataSources.pooledDataSource(unpooledDataSource,
149 |  |
                         poolConfig);
150 |  |
             }
151 | 4 |
             return dataSource;
152 |  |
         }
153 |  |
154 |  |
         /**
155 |  |
          * Return the configuration attribute with the specified name (if any), or
156 |  |
          * <code>null</code> if there is no such attribute.
157 |  |
          *
158 |  |
          * @param name
159 |  |
          *            Name of the attribute to return
160 |  |
          */
161 | 59 |
         public Object getAttribute(String name) {
162 | 59 |
             return (attributes.get(name));
163 |  |
         }
164 |  |
165 |  |
         /**
166 |  |
          * Return an array containing the names of all currently defined
167 |  |
          * configuration attributes. If there are no such attributes, a zero length
168 |  |
          * array is returned.
169 |  |
          */
170 | 0 |
         public String[] getAttributeNames() {
171 | 0 |
             Vector names = new Vector();
172 | 0 |
             Enumeration keys = attributes.keys();
173 | 0 |
             while (keys.hasMoreElements()) {
174 | 0 |
                 names.addElement((String) keys.nextElement());
175 |  |
             }
176 | 0 |
             String results[] = new String[names.size()];
177 | 0 |
             for (int i = 0; i < results.length; i++) {
178 | 0 |
                 results[i] = (String) names.elementAt(i);
179 |  |
             }
180 | 0 |
             return (results);
181 |  |
         }
182 |  |
183 |  |
         /**
184 |  |
          * Set the configuration attribute with the specified name. Calling this
185 |  |
          * with a <code>null</code> value is equivalent to calling
186 |  |
          * <code>removeAttribute(name)</code>.
187 |  |
          *
188 |  |
          * @param name
189 |  |
          *            Name of the attribute to set
190 |  |
          * @param value
191 |  |
          *            Value of the attribute to set, or <code>null</code> to
192 |  |
          *            remove any setting for this attribute
193 |  |
          */
194 | 62 |
         public void setAttribute(String name, Object value) {
195 | 62 |
             if (value == null) {
196 | 0 |
                 attributes.remove(name);
197 |  |
             } else {
198 | 62 |
                 attributes.put(name, value);
199 |  |
             }
200 |  |
         }
201 |  |
202 |  |
         /**
203 |  |
          * Remove any configuration attribute associated with the specified name. If
204 |  |
          * there is no such attribute, no action is taken.
205 |  |
          *
206 |  |
          * @param name
207 |  |
          *            Name of the attribute to remove
208 |  |
          */
209 | 1 |
         public void removeAttribute(String name) {
210 | 1 |
             attributes.remove(name);
211 |  |
         }
212 |  |
213 |  |
     }