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| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <FONT color="green">003</FONT> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <FONT color="green">004</FONT> * distributed with this work for additional information<a name="line.4"></a> |
| <FONT color="green">005</FONT> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <FONT color="green">006</FONT> * to you under the Apache License, Version 2.0 (the "License");<a name="line.6"></a> |
| <FONT color="green">007</FONT> * you may not use this file except in compliance with the License.<a name="line.7"></a> |
| <FONT color="green">008</FONT> * You may obtain a copy of the License at<a name="line.8"></a> |
| <FONT color="green">009</FONT> *<a name="line.9"></a> |
| <FONT color="green">010</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <FONT color="green">011</FONT> *<a name="line.11"></a> |
| <FONT color="green">012</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <FONT color="green">013</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <FONT color="green">014</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <FONT color="green">015</FONT> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <FONT color="green">016</FONT> * limitations under the License.<a name="line.16"></a> |
| <FONT color="green">017</FONT> */<a name="line.17"></a> |
| <FONT color="green">018</FONT> package org.apache.xalan.lib.sql;<a name="line.18"></a> |
| <FONT color="green">019</FONT> <a name="line.19"></a> |
| <FONT color="green">020</FONT> import java.lang.reflect.Method;<a name="line.20"></a> |
| <FONT color="green">021</FONT> import java.sql.Connection;<a name="line.21"></a> |
| <FONT color="green">022</FONT> import java.sql.SQLException;<a name="line.22"></a> |
| <FONT color="green">023</FONT> import java.util.Properties;<a name="line.23"></a> |
| <FONT color="green">024</FONT> <a name="line.24"></a> |
| <FONT color="green">025</FONT> import javax.naming.InitialContext;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import javax.naming.NamingException;<a name="line.26"></a> |
| <FONT color="green">027</FONT> <a name="line.27"></a> |
| <FONT color="green">028</FONT> <a name="line.28"></a> |
| <FONT color="green">029</FONT> /**<a name="line.29"></a> |
| <FONT color="green">030</FONT> * A Connection Pool that wraps a JDBC datasource to provide connections.<a name="line.30"></a> |
| <FONT color="green">031</FONT> * <a name="line.31"></a> |
| <FONT color="green">032</FONT> * An instance of this class is created by <code>XConnection</code> when it<a name="line.32"></a> |
| <FONT color="green">033</FONT> * attempts to resolves a <code>ConnectionPool</code> name as a JNDI data source.<a name="line.33"></a> |
| <FONT color="green">034</FONT> * <a name="line.34"></a> |
| <FONT color="green">035</FONT> * Most methods in this implementation do nothing since configuration is handled<a name="line.35"></a> |
| <FONT color="green">036</FONT> * by the underlying JDBC datasource. Users should always call<a name="line.36"></a> |
| <FONT color="green">037</FONT> * <code>XConnection.close()</code> from their stylsheet to explicitely close<a name="line.37"></a> |
| <FONT color="green">038</FONT> * their connection. However, since there is no way to enforce this<a name="line.38"></a> |
| <FONT color="green">039</FONT> * (Yikes!), it is recommended that a relatively short datasource timeout<a name="line.39"></a> |
| <FONT color="green">040</FONT> * be used to prevent dangling connections.<a name="line.40"></a> |
| <FONT color="green">041</FONT> */<a name="line.41"></a> |
| <FONT color="green">042</FONT> public class JNDIConnectionPool implements ConnectionPool<a name="line.42"></a> |
| <FONT color="green">043</FONT> {<a name="line.43"></a> |
| <FONT color="green">044</FONT> <a name="line.44"></a> |
| <FONT color="green">045</FONT> /**<a name="line.45"></a> |
| <FONT color="green">046</FONT> * Reference to the datasource<a name="line.46"></a> |
| <FONT color="green">047</FONT> */<a name="line.47"></a> |
| <FONT color="green">048</FONT> protected Object jdbcSource = null;<a name="line.48"></a> |
| <FONT color="green">049</FONT> <a name="line.49"></a> |
| <FONT color="green">050</FONT> /** <a name="line.50"></a> |
| <FONT color="green">051</FONT> * To maintain Java 1.3 compatibility, we need to work with the<a name="line.51"></a> |
| <FONT color="green">052</FONT> * DataSource class through Reflection. The getConnection method<a name="line.52"></a> |
| <FONT color="green">053</FONT> * is one of the methods used, and there are two different flavors.<a name="line.53"></a> |
| <FONT color="green">054</FONT> * <a name="line.54"></a> |
| <FONT color="green">055</FONT> */ <a name="line.55"></a> |
| <FONT color="green">056</FONT> private Method getConnectionWithArgs = null;<a name="line.56"></a> |
| <FONT color="green">057</FONT> private Method getConnection = null;<a name="line.57"></a> |
| <FONT color="green">058</FONT> <a name="line.58"></a> |
| <FONT color="green">059</FONT> <a name="line.59"></a> |
| <FONT color="green">060</FONT> /**<a name="line.60"></a> |
| <FONT color="green">061</FONT> * The unique jndi path for this datasource.<a name="line.61"></a> |
| <FONT color="green">062</FONT> */<a name="line.62"></a> |
| <FONT color="green">063</FONT> protected String jndiPath = null;<a name="line.63"></a> |
| <FONT color="green">064</FONT> <a name="line.64"></a> |
| <FONT color="green">065</FONT> /**<a name="line.65"></a> |
| <FONT color="green">066</FONT> * User name for protected datasources.<a name="line.66"></a> |
| <FONT color="green">067</FONT> */<a name="line.67"></a> |
| <FONT color="green">068</FONT> protected String user = null;<a name="line.68"></a> |
| <FONT color="green">069</FONT> <a name="line.69"></a> |
| <FONT color="green">070</FONT> /**<a name="line.70"></a> |
| <FONT color="green">071</FONT> * Password for protected datasources.<a name="line.71"></a> |
| <FONT color="green">072</FONT> */<a name="line.72"></a> |
| <FONT color="green">073</FONT> protected String pwd = null;<a name="line.73"></a> |
| <FONT color="green">074</FONT> <a name="line.74"></a> |
| <FONT color="green">075</FONT> /**<a name="line.75"></a> |
| <FONT color="green">076</FONT> * Use of the default constructor requires the jndi path to be set via<a name="line.76"></a> |
| <FONT color="green">077</FONT> * setJndiPath().<a name="line.77"></a> |
| <FONT color="green">078</FONT> */<a name="line.78"></a> |
| <FONT color="green">079</FONT> public JNDIConnectionPool() { }<a name="line.79"></a> |
| <FONT color="green">080</FONT> <a name="line.80"></a> |
| <FONT color="green">081</FONT> /**<a name="line.81"></a> |
| <FONT color="green">082</FONT> * Creates a connection pool with a specified JNDI path. <a name="line.82"></a> |
| <FONT color="green">083</FONT> * @param jndiDatasourcePath Complete path to the JNDI datasource<a name="line.83"></a> |
| <FONT color="green">084</FONT> */<a name="line.84"></a> |
| <FONT color="green">085</FONT> public JNDIConnectionPool(String jndiDatasourcePath)<a name="line.85"></a> |
| <FONT color="green">086</FONT> {<a name="line.86"></a> |
| <FONT color="green">087</FONT> jndiPath = jndiDatasourcePath.trim();<a name="line.87"></a> |
| <FONT color="green">088</FONT> }<a name="line.88"></a> |
| <FONT color="green">089</FONT> <a name="line.89"></a> |
| <FONT color="green">090</FONT> /**<a name="line.90"></a> |
| <FONT color="green">091</FONT> * Sets the path for the jndi datasource <a name="line.91"></a> |
| <FONT color="green">092</FONT> * @param jndiPath <a name="line.92"></a> |
| <FONT color="green">093</FONT> */<a name="line.93"></a> |
| <FONT color="green">094</FONT> public void setJndiPath(String jndiPath)<a name="line.94"></a> |
| <FONT color="green">095</FONT> {<a name="line.95"></a> |
| <FONT color="green">096</FONT> this.jndiPath = jndiPath;<a name="line.96"></a> |
| <FONT color="green">097</FONT> }<a name="line.97"></a> |
| <FONT color="green">098</FONT> <a name="line.98"></a> |
| <FONT color="green">099</FONT> /**<a name="line.99"></a> |
| <FONT color="green">100</FONT> * Returns the path for the jndi datasource <a name="line.100"></a> |
| <FONT color="green">101</FONT> * @param jndiPath <a name="line.101"></a> |
| <FONT color="green">102</FONT> */<a name="line.102"></a> |
| <FONT color="green">103</FONT> public String getJndiPath()<a name="line.103"></a> |
| <FONT color="green">104</FONT> {<a name="line.104"></a> |
| <FONT color="green">105</FONT> return jndiPath;<a name="line.105"></a> |
| <FONT color="green">106</FONT> }<a name="line.106"></a> |
| <FONT color="green">107</FONT> <a name="line.107"></a> |
| <FONT color="green">108</FONT> /**<a name="line.108"></a> |
| <FONT color="green">109</FONT> * Always returns true.<a name="line.109"></a> |
| <FONT color="green">110</FONT> * This method was intended to indicate if the pool was enabled, however, in<a name="line.110"></a> |
| <FONT color="green">111</FONT> * this implementation that is not relavant.<a name="line.111"></a> |
| <FONT color="green">112</FONT> * @return <a name="line.112"></a> |
| <FONT color="green">113</FONT> */<a name="line.113"></a> |
| <FONT color="green">114</FONT> public boolean isEnabled()<a name="line.114"></a> |
| <FONT color="green">115</FONT> {<a name="line.115"></a> |
| <FONT color="green">116</FONT> return true;<a name="line.116"></a> |
| <FONT color="green">117</FONT> }<a name="line.117"></a> |
| <FONT color="green">118</FONT> <a name="line.118"></a> |
| <FONT color="green">119</FONT> /**<a name="line.119"></a> |
| <FONT color="green">120</FONT> * Not implemented and will throw an Error if called.<a name="line.120"></a> |
| <FONT color="green">121</FONT> * <a name="line.121"></a> |
| <FONT color="green">122</FONT> * Connection configuration is handled by the underlying JNDI DataSource.<a name="line.122"></a> |
| <FONT color="green">123</FONT> * @param d <a name="line.123"></a> |
| <FONT color="green">124</FONT> */<a name="line.124"></a> |
| <FONT color="green">125</FONT> public void setDriver(String d)<a name="line.125"></a> |
| <FONT color="green">126</FONT> {<a name="line.126"></a> |
| <FONT color="green">127</FONT> throw new Error(<a name="line.127"></a> |
| <FONT color="green">128</FONT> "This method is not supported. " +<a name="line.128"></a> |
| <FONT color="green">129</FONT> "All connection information is handled by the JDBC datasource provider");<a name="line.129"></a> |
| <FONT color="green">130</FONT> }<a name="line.130"></a> |
| <FONT color="green">131</FONT> <a name="line.131"></a> |
| <FONT color="green">132</FONT> /**<a name="line.132"></a> |
| <FONT color="green">133</FONT> * Not implemented and will throw an Error if called.<a name="line.133"></a> |
| <FONT color="green">134</FONT> * <a name="line.134"></a> |
| <FONT color="green">135</FONT> * Connection configuration is handled by the underlying JNDI DataSource.<a name="line.135"></a> |
| <FONT color="green">136</FONT> * @param d <a name="line.136"></a> |
| <FONT color="green">137</FONT> */<a name="line.137"></a> |
| <FONT color="green">138</FONT> public void setURL(String url)<a name="line.138"></a> |
| <FONT color="green">139</FONT> {<a name="line.139"></a> |
| <FONT color="green">140</FONT> throw new Error(<a name="line.140"></a> |
| <FONT color="green">141</FONT> "This method is not supported. " +<a name="line.141"></a> |
| <FONT color="green">142</FONT> "All connection information is handled by the JDBC datasource provider");<a name="line.142"></a> |
| <FONT color="green">143</FONT> }<a name="line.143"></a> |
| <FONT color="green">144</FONT> <a name="line.144"></a> |
| <FONT color="green">145</FONT> /**<a name="line.145"></a> |
| <FONT color="green">146</FONT> * Intended to release unused connections from the pool.<a name="line.146"></a> |
| <FONT color="green">147</FONT> * Does nothing in this implementation.<a name="line.147"></a> |
| <FONT color="green">148</FONT> */<a name="line.148"></a> |
| <FONT color="green">149</FONT> public void freeUnused()<a name="line.149"></a> |
| <FONT color="green">150</FONT> {<a name="line.150"></a> |
| <FONT color="green">151</FONT> //Do nothing - not an error to call this method<a name="line.151"></a> |
| <FONT color="green">152</FONT> }<a name="line.152"></a> |
| <FONT color="green">153</FONT> <a name="line.153"></a> |
| <FONT color="green">154</FONT> /**<a name="line.154"></a> |
| <FONT color="green">155</FONT> * Always returns false, indicating that this wrapper has no idea of what<a name="line.155"></a> |
| <FONT color="green">156</FONT> * connections the underlying JNDI source is maintaining.<a name="line.156"></a> |
| <FONT color="green">157</FONT> * @return <a name="line.157"></a> |
| <FONT color="green">158</FONT> */<a name="line.158"></a> |
| <FONT color="green">159</FONT> public boolean hasActiveConnections()<a name="line.159"></a> |
| <FONT color="green">160</FONT> {<a name="line.160"></a> |
| <FONT color="green">161</FONT> return false;<a name="line.161"></a> |
| <FONT color="green">162</FONT> }<a name="line.162"></a> |
| <FONT color="green">163</FONT> <a name="line.163"></a> |
| <FONT color="green">164</FONT> /**<a name="line.164"></a> |
| <FONT color="green">165</FONT> * Sets the password for the connection.<a name="line.165"></a> |
| <FONT color="green">166</FONT> * If the jndi datasource does not require a password (which is typical),<a name="line.166"></a> |
| <FONT color="green">167</FONT> * this can be left null.<a name="line.167"></a> |
| <FONT color="green">168</FONT> * @param p the password<a name="line.168"></a> |
| <FONT color="green">169</FONT> */<a name="line.169"></a> |
| <FONT color="green">170</FONT> public void setPassword(String p)<a name="line.170"></a> |
| <FONT color="green">171</FONT> {<a name="line.171"></a> |
| <FONT color="green">172</FONT> <a name="line.172"></a> |
| <FONT color="green">173</FONT> if (p != null) p = p.trim();<a name="line.173"></a> |
| <FONT color="green">174</FONT> if (p != null && p.length() == 0) p = null;<a name="line.174"></a> |
| <FONT color="green">175</FONT> <a name="line.175"></a> |
| <FONT color="green">176</FONT> pwd = p;<a name="line.176"></a> |
| <FONT color="green">177</FONT> }<a name="line.177"></a> |
| <FONT color="green">178</FONT> <a name="line.178"></a> |
| <FONT color="green">179</FONT> /**<a name="line.179"></a> |
| <FONT color="green">180</FONT> * Sets the user name for the connection.<a name="line.180"></a> |
| <FONT color="green">181</FONT> * If the jndi datasource does not require a user name (which is typical),<a name="line.181"></a> |
| <FONT color="green">182</FONT> * this can be left null.<a name="line.182"></a> |
| <FONT color="green">183</FONT> * @param u the user name<a name="line.183"></a> |
| <FONT color="green">184</FONT> */<a name="line.184"></a> |
| <FONT color="green">185</FONT> public void setUser(String u)<a name="line.185"></a> |
| <FONT color="green">186</FONT> {<a name="line.186"></a> |
| <FONT color="green">187</FONT> <a name="line.187"></a> |
| <FONT color="green">188</FONT> if (u != null) u = u.trim();<a name="line.188"></a> |
| <FONT color="green">189</FONT> if (u != null && u.length() == 0) u = null;<a name="line.189"></a> |
| <FONT color="green">190</FONT> <a name="line.190"></a> |
| <FONT color="green">191</FONT> user = u;<a name="line.191"></a> |
| <FONT color="green">192</FONT> }<a name="line.192"></a> |
| <FONT color="green">193</FONT> <a name="line.193"></a> |
| <FONT color="green">194</FONT> /**<a name="line.194"></a> |
| <FONT color="green">195</FONT> * Returns a connection from the JDNI DataSource found at the JNDI Datasource<a name="line.195"></a> |
| <FONT color="green">196</FONT> * path.<a name="line.196"></a> |
| <FONT color="green">197</FONT> * <a name="line.197"></a> |
| <FONT color="green">198</FONT> * @return <a name="line.198"></a> |
| <FONT color="green">199</FONT> * @throws SQLException <a name="line.199"></a> |
| <FONT color="green">200</FONT> */<a name="line.200"></a> |
| <FONT color="green">201</FONT> public Connection getConnection() throws SQLException<a name="line.201"></a> |
| <FONT color="green">202</FONT> {<a name="line.202"></a> |
| <FONT color="green">203</FONT> if (jdbcSource == null)<a name="line.203"></a> |
| <FONT color="green">204</FONT> {<a name="line.204"></a> |
| <FONT color="green">205</FONT> try<a name="line.205"></a> |
| <FONT color="green">206</FONT> {<a name="line.206"></a> |
| <FONT color="green">207</FONT> findDatasource();<a name="line.207"></a> |
| <FONT color="green">208</FONT> }<a name="line.208"></a> |
| <FONT color="green">209</FONT> catch (NamingException ne)<a name="line.209"></a> |
| <FONT color="green">210</FONT> {<a name="line.210"></a> |
| <FONT color="green">211</FONT> throw new SQLException(<a name="line.211"></a> |
| <FONT color="green">212</FONT> "Could not create jndi context for " + <a name="line.212"></a> |
| <FONT color="green">213</FONT> jndiPath + " - " + ne.getLocalizedMessage());<a name="line.213"></a> |
| <FONT color="green">214</FONT> }<a name="line.214"></a> |
| <FONT color="green">215</FONT> }<a name="line.215"></a> |
| <FONT color="green">216</FONT> <a name="line.216"></a> |
| <FONT color="green">217</FONT> try<a name="line.217"></a> |
| <FONT color="green">218</FONT> {<a name="line.218"></a> |
| <FONT color="green">219</FONT> if (user != null || pwd != null)<a name="line.219"></a> |
| <FONT color="green">220</FONT> {<a name="line.220"></a> |
| <FONT color="green">221</FONT> Object arglist[] = { user, pwd }; <a name="line.221"></a> |
| <FONT color="green">222</FONT> return (Connection) getConnectionWithArgs.invoke(jdbcSource, arglist);<a name="line.222"></a> |
| <FONT color="green">223</FONT> }<a name="line.223"></a> |
| <FONT color="green">224</FONT> else<a name="line.224"></a> |
| <FONT color="green">225</FONT> {<a name="line.225"></a> |
| <FONT color="green">226</FONT> Object arglist[] = {}; <a name="line.226"></a> |
| <FONT color="green">227</FONT> return (Connection) getConnection.invoke(jdbcSource, arglist);<a name="line.227"></a> |
| <FONT color="green">228</FONT> }<a name="line.228"></a> |
| <FONT color="green">229</FONT> }<a name="line.229"></a> |
| <FONT color="green">230</FONT> catch (Exception e)<a name="line.230"></a> |
| <FONT color="green">231</FONT> {<a name="line.231"></a> |
| <FONT color="green">232</FONT> throw new SQLException(<a name="line.232"></a> |
| <FONT color="green">233</FONT> "Could not create jndi connection for " + <a name="line.233"></a> |
| <FONT color="green">234</FONT> jndiPath + " - " + e.getLocalizedMessage());<a name="line.234"></a> |
| <FONT color="green">235</FONT> }<a name="line.235"></a> |
| <FONT color="green">236</FONT> <a name="line.236"></a> |
| <FONT color="green">237</FONT> }<a name="line.237"></a> |
| <FONT color="green">238</FONT> <a name="line.238"></a> |
| <FONT color="green">239</FONT> /**<a name="line.239"></a> |
| <FONT color="green">240</FONT> * Internal method used to look up the datasource. <a name="line.240"></a> |
| <FONT color="green">241</FONT> * @throws NamingException <a name="line.241"></a> |
| <FONT color="green">242</FONT> */<a name="line.242"></a> |
| <FONT color="green">243</FONT> protected void findDatasource() throws NamingException<a name="line.243"></a> |
| <FONT color="green">244</FONT> {<a name="line.244"></a> |
| <FONT color="green">245</FONT> try<a name="line.245"></a> |
| <FONT color="green">246</FONT> {<a name="line.246"></a> |
| <FONT color="green">247</FONT> InitialContext context = new InitialContext();<a name="line.247"></a> |
| <FONT color="green">248</FONT> jdbcSource = context.lookup(jndiPath);<a name="line.248"></a> |
| <FONT color="green">249</FONT> <a name="line.249"></a> |
| <FONT color="green">250</FONT> Class withArgs[] = { String.class, String.class };<a name="line.250"></a> |
| <FONT color="green">251</FONT> getConnectionWithArgs = <a name="line.251"></a> |
| <FONT color="green">252</FONT> jdbcSource.getClass().getDeclaredMethod("getConnection", withArgs);<a name="line.252"></a> |
| <FONT color="green">253</FONT> <a name="line.253"></a> |
| <FONT color="green">254</FONT> Class noArgs[] = { };<a name="line.254"></a> |
| <FONT color="green">255</FONT> getConnection = <a name="line.255"></a> |
| <FONT color="green">256</FONT> jdbcSource.getClass().getDeclaredMethod("getConnection", noArgs);<a name="line.256"></a> |
| <FONT color="green">257</FONT> <a name="line.257"></a> |
| <FONT color="green">258</FONT> }<a name="line.258"></a> |
| <FONT color="green">259</FONT> catch (NamingException e)<a name="line.259"></a> |
| <FONT color="green">260</FONT> {<a name="line.260"></a> |
| <FONT color="green">261</FONT> throw e;<a name="line.261"></a> |
| <FONT color="green">262</FONT> }<a name="line.262"></a> |
| <FONT color="green">263</FONT> catch (NoSuchMethodException e)<a name="line.263"></a> |
| <FONT color="green">264</FONT> {<a name="line.264"></a> |
| <FONT color="green">265</FONT> // For simpleification, we will just throw a NamingException. We will only<a name="line.265"></a> |
| <FONT color="green">266</FONT> // use the message part of the exception anyway.<a name="line.266"></a> |
| <FONT color="green">267</FONT> throw new NamingException("Unable to resolve JNDI DataSource - " + e);<a name="line.267"></a> |
| <FONT color="green">268</FONT> }<a name="line.268"></a> |
| <FONT color="green">269</FONT> }<a name="line.269"></a> |
| <FONT color="green">270</FONT> <a name="line.270"></a> |
| <FONT color="green">271</FONT> public void releaseConnection(Connection con) throws SQLException<a name="line.271"></a> |
| <FONT color="green">272</FONT> {<a name="line.272"></a> |
| <FONT color="green">273</FONT> con.close();<a name="line.273"></a> |
| <FONT color="green">274</FONT> }<a name="line.274"></a> |
| <FONT color="green">275</FONT> <a name="line.275"></a> |
| <FONT color="green">276</FONT> public void releaseConnectionOnError(Connection con) throws SQLException<a name="line.276"></a> |
| <FONT color="green">277</FONT> {<a name="line.277"></a> |
| <FONT color="green">278</FONT> con.close();<a name="line.278"></a> |
| <FONT color="green">279</FONT> }<a name="line.279"></a> |
| <FONT color="green">280</FONT> <a name="line.280"></a> |
| <FONT color="green">281</FONT> /**<a name="line.281"></a> |
| <FONT color="green">282</FONT> * Releases the reference to the jndi datasource.<a name="line.282"></a> |
| <FONT color="green">283</FONT> * The original intention of this method was to actually turn the pool *off*.<a name="line.283"></a> |
| <FONT color="green">284</FONT> * Since we are not managing the pool, we simply release our reference to<a name="line.284"></a> |
| <FONT color="green">285</FONT> * the datasource. Future calls to the getConnection will simply recreate<a name="line.285"></a> |
| <FONT color="green">286</FONT> * the datasource.<a name="line.286"></a> |
| <FONT color="green">287</FONT> * @param flag If false, the reference to the datasource is released.<a name="line.287"></a> |
| <FONT color="green">288</FONT> */<a name="line.288"></a> |
| <FONT color="green">289</FONT> public void setPoolEnabled(boolean flag)<a name="line.289"></a> |
| <FONT color="green">290</FONT> {<a name="line.290"></a> |
| <FONT color="green">291</FONT> if (! flag) jdbcSource = null;<a name="line.291"></a> |
| <FONT color="green">292</FONT> }<a name="line.292"></a> |
| <FONT color="green">293</FONT> <a name="line.293"></a> |
| <FONT color="green">294</FONT> /**<a name="line.294"></a> |
| <FONT color="green">295</FONT> * Ignored in this implementation b/c the pooling is determined by the jndi dataosource. <a name="line.295"></a> |
| <FONT color="green">296</FONT> * @param p<a name="line.296"></a> |
| <FONT color="green">297</FONT> */<a name="line.297"></a> |
| <FONT color="green">298</FONT> public void setProtocol(Properties p)<a name="line.298"></a> |
| <FONT color="green">299</FONT> {<a name="line.299"></a> |
| <FONT color="green">300</FONT> /* ignore - properties are determined by datasource */<a name="line.300"></a> |
| <FONT color="green">301</FONT> }<a name="line.301"></a> |
| <FONT color="green">302</FONT> <a name="line.302"></a> |
| <FONT color="green">303</FONT> /**<a name="line.303"></a> |
| <FONT color="green">304</FONT> * Ignored in this implementation b/c the pooling is determined by the jndi dataosource. <a name="line.304"></a> |
| <FONT color="green">305</FONT> * @param n <a name="line.305"></a> |
| <FONT color="green">306</FONT> */<a name="line.306"></a> |
| <FONT color="green">307</FONT> public void setMinConnections(int n)<a name="line.307"></a> |
| <FONT color="green">308</FONT> {<a name="line.308"></a> |
| <FONT color="green">309</FONT> /* ignore - pooling is determined by datasource */<a name="line.309"></a> |
| <FONT color="green">310</FONT> }<a name="line.310"></a> |
| <FONT color="green">311</FONT> <a name="line.311"></a> |
| <FONT color="green">312</FONT> /**<a name="line.312"></a> |
| <FONT color="green">313</FONT> * A simple test to see if the jndi datasource exists.<a name="line.313"></a> |
| <FONT color="green">314</FONT> * <a name="line.314"></a> |
| <FONT color="green">315</FONT> * Note that this test does not ensure that the datasource will return valid<a name="line.315"></a> |
| <FONT color="green">316</FONT> * connections.<a name="line.316"></a> |
| <FONT color="green">317</FONT> */<a name="line.317"></a> |
| <FONT color="green">318</FONT> public boolean testConnection()<a name="line.318"></a> |
| <FONT color="green">319</FONT> {<a name="line.319"></a> |
| <FONT color="green">320</FONT> if (jdbcSource == null)<a name="line.320"></a> |
| <FONT color="green">321</FONT> {<a name="line.321"></a> |
| <FONT color="green">322</FONT> try<a name="line.322"></a> |
| <FONT color="green">323</FONT> {<a name="line.323"></a> |
| <FONT color="green">324</FONT> findDatasource();<a name="line.324"></a> |
| <FONT color="green">325</FONT> }<a name="line.325"></a> |
| <FONT color="green">326</FONT> catch (NamingException ne)<a name="line.326"></a> |
| <FONT color="green">327</FONT> {<a name="line.327"></a> |
| <FONT color="green">328</FONT> return false;<a name="line.328"></a> |
| <FONT color="green">329</FONT> }<a name="line.329"></a> |
| <FONT color="green">330</FONT> }<a name="line.330"></a> |
| <FONT color="green">331</FONT> <a name="line.331"></a> |
| <FONT color="green">332</FONT> return true;<a name="line.332"></a> |
| <FONT color="green">333</FONT> }<a name="line.333"></a> |
| <FONT color="green">334</FONT> <a name="line.334"></a> |
| <FONT color="green">335</FONT> <a name="line.335"></a> |
| <FONT color="green">336</FONT> <a name="line.336"></a> |
| <FONT color="green">337</FONT> }<a name="line.337"></a> |
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