File	Doc	Category	Size	Date	Package
DataSourceObjectBuilder.java	API Doc	Glassfish v2 API	11918	Fri May 04 22:36:02 BST 2007	com.sun.gjc.common

DataSourceObjectBuilder

• java.lang.Object

Fields Summary
private DataSourceSpec	spec
private Hashtable	driverProperties
private com.sun.gjc.util.MethodExecutor	executor
private static Logger	_logger
private static boolean	jdbc40
private boolean	debug
private static final com.sun.enterprise.util.i18n.StringManager	sm

Constructors Summary
public DataSourceObjectBuilder(DataSourceSpec spec) Construct a DataSource Object from the spec. param spec DataSourceSpec object. this.spec = spec; executor = new MethodExecutor();

Methods Summary
public java.lang.Object	constructDataSourceObject() Construct the DataSource Object from the spec. return Object constructed using the DataSourceSpec. throws ResourceException if the class is not found or some issue in executing some method. driverProperties = parseDriverProperties(spec); Object dataSourceObject = getDataSourceObject(); Method[] methods = dataSourceObject.getClass().getMethods(); for (int i = 0; i < methods.length; i++) { String methodName = methods[i].getName(); //Check for driver properties first since some jdbc properties //may be supported in form of driver properties if (driverProperties.containsKey(methodName.toUpperCase())) { Vector values = (Vector) driverProperties.get(methodName.toUpperCase()); executor.runMethod(methods[i], dataSourceObject, values); } else if (methodName.equalsIgnoreCase("setUser")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.USERNAME), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setPassword")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.PASSWORD), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setLoginTimeOut")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.LOGINTIMEOUT), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setLogWriter")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.LOGWRITER), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setDatabaseName")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.DATABASENAME), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setDataSourceName")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.DATASOURCENAME), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setDescription")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.DESCRIPTION), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setNetworkProtocol")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.NETWORKPROTOCOL), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setPortNumber")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.PORTNUMBER), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setRoleName")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.ROLENAME), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setServerName")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.SERVERNAME), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setMaxStatements")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.MAXSTATEMENTS), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setInitialPoolSize")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.INITIALPOOLSIZE), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setMinPoolSize")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.MINPOOLSIZE), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setMaxPoolSize")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.MAXPOOLSIZE), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setMaxIdleTime")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.MAXIDLETIME), methods[i], dataSourceObject); } else if (methodName.equalsIgnoreCase("setPropertyCycle")) { executor.runJavaBeanMethod(spec.getDetail(DataSourceSpec.PROPERTYCYCLE), methods[i], dataSourceObject); } } return dataSourceObject;
private static boolean	detectJDBC40() Check whether the jdbc api version is 4.0 or not. return boolean boolean jdbc40 = false; try { Class.forName("java.sql.Wrapper"); jdbc40 = true; } catch (ClassNotFoundException cnfe) { _logger.log(Level.FINEST, "could not find Wrapper(available in jdbc-40), jdk supports only jdbc-30"); } return jdbc40;
private java.lang.Object	getDataSourceObject() Creates a Datasource object according to the spec. return Initial DataSource Object instance. throws ResourceException If class name is wrong or classpath is not set properly. String className = spec.getDetail(DataSourceSpec.CLASSNAME); try { Class dataSourceClass = Thread.currentThread().getContextClassLoader().loadClass(className); Object dataSourceObject = dataSourceClass.newInstance(); return dataSourceObject; } catch (ClassNotFoundException cnfe) { _logger.log(Level.SEVERE, "jdbc.exc_cnfe_ds", cnfe); String msg = sm.getString("dsob.class_not_found", className); throw new ResourceException(msg); } catch (InstantiationException ce) { _logger.log(Level.SEVERE, "jdbc.exc_inst", className); String msg = sm.getString("dsob.error_instantiating", className); throw new ResourceException(msg); } catch (IllegalAccessException ce) { _logger.log(Level.SEVERE, "jdbc.exc_acc_inst", className); String msg = sm.getString("dsob.access_error", className); throw new ResourceException(msg); }
public static boolean	isJDBC40() return jdbc40;
private java.util.Hashtable	parseDriverProperties(DataSourceSpec spec) Get the extra driver properties from the DataSourceSpec object and parse them to a set of methodName and parameters. Prepare a hashtable containing these details and return. param spec DataSourceSpec object. return Hashtable containing method names and parameters, throws ResourceException If delimiter is not provided and property string is not null. String delim = spec.getDetail(DataSourceSpec.DELIMITER); String prop = spec.getDetail(DataSourceSpec.DRIVERPROPERTIES); if (prop == null || prop.trim().equals("")) { return new Hashtable(); } else if (delim == null || delim.equals("")) { String msg = sm.getString("dsob.delim_not_specified"); throw new ResourceException(msg); } Hashtable properties = new Hashtable(); delim = delim.trim(); String sep = delim + delim; int sepLen = sep.length(); String cache = prop; Vector methods = new Vector(); while (cache.indexOf(sep) != -1) { int index = cache.indexOf(sep); String name = cache.substring(0, index); if (!name.trim().equals("")) { methods.add(name); cache = cache.substring(index + sepLen); } } Enumeration allMethods = methods.elements(); while (allMethods.hasMoreElements()) { String oneMethod = (String) allMethods.nextElement(); if (!oneMethod.trim().equals("")) { String methodName = null; Vector parms = new Vector(); StringTokenizer methodDetails = new StringTokenizer(oneMethod, delim); for (int i = 0; methodDetails.hasMoreTokens(); i++) { String token = (String) methodDetails.nextToken(); if (i == 0) { methodName = token.toUpperCase(); } else { parms.add(token); } } properties.put(methodName, parms); } } return properties;