er.extensions.jdbc
Class ERXJDBCConnectionAnalyzer

java.lang.Object
  er.extensions.jdbc.ERXJDBCConnectionAnalyzer

public class ERXJDBCConnectionAnalyzer
extends java.lang.Object

Attempts to verify that a JDBC connection can be made and prints out diagnostic suggestions and information if it cannot.

Author:

Charles Hill and Sacha Mallais

Field Summary

static org.apache.log4j.Logger

log

Constructor Summary

ERXJDBCConnectionAnalyzer(com.webobjects.eoaccess.EOModel aModel)
Uses the connection dictionary information in aModel to attempt to make a JDBC connection.

ERXJDBCConnectionAnalyzer(com.webobjects.foundation.NSDictionary aConnectionDictionary)
Designated constructor.

ERXJDBCConnectionAnalyzer(java.lang.String aModelName)
Uses the connection dictionary information in the EOModel named aModelNameaModel to attempt to make a JDBC connection.

Method Summary

void	analyzeConnection() Controls the order of analysis.
com.webobjects.foundation.NSDictionary	connectionDictionary() Returns the connection dictionary being analyzed.
void	dumpClasspath()
void	dumpExtensionDirectories()
void	findAdaptor() Attempts to load the JDBCAdaptor.
void	findJDBCDriver() Attempts to load JDBC driver class.
void	findPlugin() Attempts to load JDBCPlugIn or sub-class and verify related configuration.
com.webobjects.jdbcadaptor.JDBCAdaptor	targetAdaptor() Returns an instance of JDBCAdaptor.
com.webobjects.jdbcadaptor.JDBCPlugIn	targetPlugIn() Returns an instance of JDBCPlugIn or sub-class created from the connection dictionary information.
void	testConnection() Attempts to make connection to databas via JDBC.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

log

public static final org.apache.log4j.Logger log

Constructor Detail

ERXJDBCConnectionAnalyzer

public ERXJDBCConnectionAnalyzer(com.webobjects.foundation.NSDictionary aConnectionDictionary)

Designated constructor. Uses the information in aConnectionDictionary to attempt to make a JDBC connection.

Parameters:

aConnectionDictionary - the connection information for the JDBC connection

ERXJDBCConnectionAnalyzer

public ERXJDBCConnectionAnalyzer(com.webobjects.eoaccess.EOModel aModel)

Uses the connection dictionary information in aModel to attempt to make a JDBC connection.

Parameters:

aModel - the EOModel from which to take the connection information for the JDBC connection

ERXJDBCConnectionAnalyzer

public ERXJDBCConnectionAnalyzer(java.lang.String aModelName)

Uses the connection dictionary information in the EOModel named aModelNameaModel to attempt to make a JDBC connection.

Parameters:

aModelName - the name of the EOModel from which to take the connection information for the JDBC connection

Method Detail

analyzeConnection

public void analyzeConnection()

Controls the order of analysis.

findAdaptor

public void findAdaptor()

Attempts to load the JDBCAdaptor.

findPlugin

public void findPlugin()

Attempts to load JDBCPlugIn or sub-class and verify related configuration.

findJDBCDriver

public void findJDBCDriver()

Attempts to load JDBC driver class.

testConnection

public void testConnection()

Attempts to make connection to databas via JDBC.

dumpClasspath

public void dumpClasspath()

dumpExtensionDirectories

public void dumpExtensionDirectories()

connectionDictionary

public com.webobjects.foundation.NSDictionary connectionDictionary()

Returns the connection dictionary being analyzed.

Returns:

the connection dictionary being analyzed.

targetAdaptor

public com.webobjects.jdbcadaptor.JDBCAdaptor targetAdaptor()

Returns an instance of JDBCAdaptor.

Returns:

an instance of JDBCAdaptor

targetPlugIn

public com.webobjects.jdbcadaptor.JDBCPlugIn targetPlugIn()

Returns an instance of JDBCPlugIn or sub-class created from the connection dictionary information.

Returns:

an instance of JDBCPlugIn or sub-class