299 lines
11 KiB
HTML
299 lines
11 KiB
HTML
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<META http-equiv="Content-Type" content="text/html; charset=utf-8">
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<LINK rel="stylesheet" type="text/css" href="../../../rzahg/ic.css">
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<title>Example: Test a connection using country and language (properties)</title>
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</head>
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<BODY>
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<!-- Java sync-link -->
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<SCRIPT LANGUAGE="Javascript" SRC="../../../rzahg/synch.js" TYPE="text/javascript"></SCRIPT>
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<h6><a name="datatestlang"></a>Example: Test a connection using country and language (properties)</h6>
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<p>It is possible to invoke the same test connection operation on the DataSourceCfgHelper MBean from a Java program that wsadmin uses by passing in the properties you wish to test. The following interfaces are tested:</p>
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<ul>
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<li>getPropertiesForDataSource()</li>
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<li>reload()</li>
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<li>testConnectionToDataSource()</li>
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</ul>
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<p>See the <a href="codex.htm">Code example disclaimer</a> for legal information about these code examples.</p>
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<pre>
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//
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// This program may be used, executed, copied, modified and distributed without royalty for the
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// purpose of developing, using, marketing, or distributing.
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//
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// Product 5630-A36, (C) COPYRIGHT International Business Machines Corp., 2001, 2002
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// All Rights Reserved * Licensed Materials - Property of IBM
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//
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import java.util.*;
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import javax.sql.DataSource;
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import javax.transaction.*;
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import javax.management.*;
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import com.ibm.websphere.management.*;
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import com.ibm.websphere.management.configservice.*;
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import com.ibm.ws.exception.WsException;
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import com.ibm.websphere.rsadapter.DSPropertyEntry;
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/**
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* Resource adapter test program to make sure that the MBean interfaces work.
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* Following interfaces are tested
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*
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* -getPropertiesForDataSource()
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* -reload()
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* -testConnectionToDataSource()
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*
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*
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* We need following to run .....
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*
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* From an iSeries command line:
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*
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* -> QSHELL
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* (Start the QSHELL environment)
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*
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* -> cd (yourDirectory)
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* (change current directory to the directory that holds the java source)
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*
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* -> . /QIBM/ProdData/WebASE/ASE5/base/bin/setupClient
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* (produce the $JAVA_FLAGS_EXT environment variable)
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*
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* -> javac -extdirs /QIBM/ProdData/WebASE/ASE5/base/lib -d . testDS.java
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* (compile the testDS class)
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*
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* -> java $JAVA_FLAGS_EXT testDS
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* (call the program)
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*
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*/
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public class testDS {
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String port = "8880";
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String host = "localhost";
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final static boolean verbose = true;
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/**
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* Main method.
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*
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* @param args - Not used
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*/
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public static void main(String[] args) {
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testDS cds = new testDS();
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try {
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cds.run(args);
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} catch (com.ibm.ws.exception.WsException ex) {
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System.out.println("Caught this " + ex );
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ex.printStackTrace();
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//ex.getCause().printStackTrace();
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} catch (Exception ex) {
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System.out.println("Caught this " + ex );
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ex.printStackTrace();
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}
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}
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/**
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* This method tests the DataSourceCfgHelper Mbean.
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*
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* @param args - Not used
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* @exception Exception
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*/
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public void run(String[] args) throws Exception {
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try {
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System.out.println("Connecting to the application server.......");
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/*************************************************************************/
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/** Initialize the AdminClient */
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/*************************************************************************/
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Properties adminProps = new Properties();
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adminProps.setProperty(AdminClient.CONNECTOR_TYPE, AdminClient.CONNECTOR_TYPE_SOAP);
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adminProps.setProperty(AdminClient.CONNECTOR_HOST, host);
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adminProps.setProperty(AdminClient.CONNECTOR_PORT, port);
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AdminClient adminClient = null;
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try {
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/* Port 8880 must be listening when this program is called or the SOAP connection will fail */
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adminClient = AdminClientFactory.createAdminClient(adminProps);
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} catch (com.ibm.websphere.management.exception.ConnectorException ce) {
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System.out.println("Cannot make a connection to the application server\n"+ce);
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System.exit(1);
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}
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/*************************************************************************/
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/** Locate the Mbean */
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/*************************************************************************/
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ObjectName handle = null;
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try {
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ObjectName queryName = new ObjectName("WebSphere:type=DataSourceCfgHelper,*");
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Set s = adminClient.queryNames(queryName, null);
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Iterator iter = s.iterator();
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if (iter.hasNext()) handle = (ObjectName)iter.next();
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} catch (MalformedObjectNameException mone) {
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System.out.println("Check the program variable queryName" + mone);
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} catch (com.ibm.websphere.management.exception.ConnectorException ce) {
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System.out.println("Cannot connect to the application server" + ce);
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}
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//System.out.println("Connected to the application server" + handle);
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/*************************************************************************/
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/** Call the Mbean to get the data source properties */
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/*************************************************************************/
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String dsClassName = "com.ibm.db2.jdbc.app.DB2StdXADataSource";
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String providerLibPath = "/QIBM/ProdData/Java400/ext/db2_classes.jar";
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String[] signature = { "java.lang.String", "java.lang.String"};
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Object[] params = { dsClassName, providerLibPath};
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Object result = null;
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if (verbose) {
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System.out.println("Calling getPropertiesForDataSource() for " + dsClassName + "\n");
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}
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try {
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// get the properties
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result = adminClient.invoke(handle, "getPropertiesForDataSource", params, signature);
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} catch (MBeanException mbe) {
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if (verbose) {
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System.out.println("\tMbean Exception " + dsClassName);
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}
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} catch (InstanceNotFoundException infe) {
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System.out.println("Cannot find " + dsClassName);
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} catch (Exception ex) {
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System.out.println("Exception occurred calling getPropertiesForDataSource() for " + dsClassName + ex);
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}
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// Pretty print what we found
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Iterator propIterator = ((List)result).iterator();
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System.out.println(format("Name",21)+ "|" + format("Default Value",34) + "|" +
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format("Type",17) +"|Reqd");
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String line = "_______________________________________________________________________________";
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System.out.println(line);
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while (propIterator.hasNext()) {
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DSPropertyEntry dspe = (DSPropertyEntry)propIterator.next();
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System.out.print(format(dspe.getPropertyName(),21)+"|"+ format(dspe.getDefaultValue(),34) + "|");
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System.out.println(format(dspe.getPropertyType(),17) +"|"+ ((dspe.isRequired())? " Y" : " N"));
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}
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System.out.println(line);
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/*************************************************************************/
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/** Invoke the reload function from the AdminClient to pickup the */
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/* data source from the naming space. */
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/*************************************************************************/
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if (verbose) {
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System.out.println("Calling reload()");
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}
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try {
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result = adminClient.invoke(handle, "reload", new Object[] {}, new String[] {});
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} catch (MBeanException mbe) {
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if (verbose) {
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System.out.println("\tMbean Exception calling reload" + mbe);
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}
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} catch (InstanceNotFoundException infe) {
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System.out.println("Cannot find reload ");
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} catch (Exception ex) {
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System.out.println("Exception occurred calling reload()" + ex);
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}
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if (result==null && verbose) {
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System.out.println("OK reload()");
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}
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/*************************************************************************/
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/** Start to test the connection to the database */
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/*************************************************************************/
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if (verbose) {
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System.out.println("\nTesting connection to the database using " + dsClassName);
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}
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String user = "db2admin";
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String password = "db2admin";
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Properties props = new Properties();
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props.setProperty("databaseName", "section");
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// There are two ways to pass the locale: In WS 5.0, you can only pass in the
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// language and the country in a String format. In WS 5.0.1 release, you can also pass
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// in a Locale object.
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// String[] signature2 = { "java.lang.String", "java.lang.String", "java.lang.String",
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// "java.util.Properties", "java.lang.String","java.util.Locale"};
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// Object[] params2 = { dsClassName, user, password,props ,providerLibPath, Locale.US};
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Object result2 = null;
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String[] signature2 = { "java.lang.String", "java.lang.String", "java.lang.String",
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"java.util.Properties",
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"java.lang.String "java.lang.String","java.lang.String");
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Object[] params2 = { dsClassName, user, password,props ,providerLibPath, "EN", "US"};
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try {
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result2 = adminClient.invoke(handle, "testConnectionToDataSource", params2, signature2);
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} catch (MBeanException mbe) {
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if (verbose) {
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System.out.println("\tMbean Exception " + dsClassName);
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}
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} catch (InstanceNotFoundException infe) {
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System.out.println("Cannot find " + dsClassName);
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} catch (RuntimeMBeanException rme) {
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Exception ex = rme.getTargetException();
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ex.printStackTrace(System.out);
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throw ex;
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} catch (Exception ex) {
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System.out.println("Exception occurred calling testConnectionToDataSource() for " + dsClassName + ex);
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ex.printStackTrace();
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}
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if (result2 != null) {
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System.out.println("ERROR Result= " + result2);
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} else if (verbose) {
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System.out.println("OK testConnectionToDataSource()");
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}
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} catch (RuntimeOperationsException roe) {
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Exception ex = roe.getTargetException();
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ex.printStackTrace(System.out);
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throw ex;
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} catch (Exception ex) {
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ex.printStackTrace(System.out);
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throw ex;
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}
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}
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/**
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* Format the string right justified in the space provided,
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* or truncate the string.
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*
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* @param in
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* @param length
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* @return
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*/
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public String format(Object in, int length) {
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if (in ==null) {
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in = "-null-";
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}
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String ins = in.toString();
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int insLength = ins.length();
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if ( insLength > length) {
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return ins.substring(0,length);
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} else {
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StringBuffer sb = new StringBuffer(length);
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while (length - insLength > 0) {
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sb.append(" ");
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length--;
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}
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sb.append(ins);
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return sb.toString();
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}
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}
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}
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</pre>
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<p><strong>Note: </strong>This example may be wrapped for display purposes.</p>
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</body>
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</html>
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