ejava.util.jndi

Class JNDIUtil

java.lang.Object

ejava.util.jndi.JNDIUtil

public class JNDIUtil
extends Object

This class helps work with the JNDI tree.

Field Summary

Fields

Modifier and Type	Field and Description
private static org.slf4j.Logger	logger
private static String[]	PATHS
static String	PROPERTY_FILE

Constructor Summary

Constructors

Constructor and Description
JNDIUtil()

Method Summary

Modifier and Type	Method and Description
private void	doDump(int level, StringBuilder text, Context context, String name)
String	dump() Produces a debug string listing the JNDI contents of the current, default Context.
String	dump(Context context, String name) Produces a debug string listing the JNDI contents of the specified Context.
static Properties	getJNDIProperties(String prefix) This method will return a jndi.properties object that is based on the properties found in ejava-jndi.properties that start with the provided prefix.
protected String	getPad(int level)
protected boolean	isContext(String className)
static <T> T	lookup(Context ctx, Class<T> type, String name, int waitSecs) Performs a JNDI lookup and will wait supplied number of seconds before giving up.

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final org.slf4j.Logger logger

PROPERTY_FILE

public static final String PROPERTY_FILE

See Also:

Constant Field Values

PATHS

private static final String[] PATHS

Constructor Detail

JNDIUtil

public JNDIUtil()

Method Detail

getJNDIProperties

public static Properties getJNDIProperties(String prefix)
                                    throws IOException

This method will return a jndi.properties object that is based on the properties found in ejava-jndi.properties that start with the provided prefix. This method is useful when examples are using different JNDI mechanisms and want to keep them separate by forming the jndi.properties in memory.

Parameters:

prefix -

Returns:

Properties object that can be used during a new InitialContext(env)

Throws:

IOException

lookup

public static <T> T lookup(Context ctx,
                           Class<T> type,
                           String name,
                           int waitSecs)
                    throws NamingException

Performs a JNDI lookup and will wait supplied number of seconds before giving up.

Parameters:

ctx -

type -

name -

waitSecs -

Returns:

Object resolved from the lookup

Throws:

NamingException

dump

public String dump()
            throws NamingException

Produces a debug string listing the JNDI contents of the current, default Context.

Returns:

String describing contents of context

Throws:

NamingException

dump

public String dump(Context context,
                   String name)

Produces a debug string listing the JNDI contents of the specified Context.

Parameters:

context -

name -

Returns:

String describing contents of context

doDump

private void doDump(int level,
                    StringBuilder text,
                    Context context,
                    String name)
             throws NamingException

Throws:

NamingException

isContext

protected boolean isContext(String className)

getPad

protected String getPad(int level)