gov.nih.nlm.nls.lexAccess.Lib
Class Configuration

java.lang.Object
  |
  +--gov.nih.nlm.nls.lexAccess.Lib.Configuration

public class Configuration

extends java.lang.Object

This class provides a way of storing and retrieving configurations through a Configuation object.

Currently, it contains variables of: LA_DIR, IDB_PROPERTY_FILE, ...

History:

• 02/19/2004, clu, revised version
• SCR-20, 09-29-2004, clu, use HSqlDb

Version:

V-2005

Author:

NLM NLS Development Team

Field Summary

static java.lang.String	DB_DRIVER Java Data base Connectivity Driver
static java.lang.String	DB_HOST Database host name
static java.lang.String	DB_NAME Database name
static java.lang.String	DB_PASSWORD Database password
static java.lang.String	DB_TYPE Data base
static java.lang.String	DB_USERNAME Database user name
static java.lang.String	JDBC_URL Java Data Base Connectivity URL
static java.lang.String	LA_DIR key for the path of LVG directory defined in configuration file
static java.lang.String	NO_OUTPUT_MSG No records found message

Constructor Summary

Configuration(java.lang.String fName, boolean useClassPath)
Create a Configuration object.

Method Summary

java.lang.String	GetConfiguration(java.lang.String key) Get a value from configuration file by specifying the key.
static java.lang.String	OverWriteProperty(java.lang.String key, Configuration conf, java.util.Hashtable properties) Get a value from configuration file by specifying the key.

Methods inherited from class java.lang.Object

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

Field Detail

LA_DIR

public static final java.lang.String LA_DIR

key for the path of LVG directory defined in configuration file

See Also:

Constant Field Values

DB_TYPE

public static final java.lang.String DB_TYPE

Data base

See Also:

Constant Field Values

DB_DRIVER

public static final java.lang.String DB_DRIVER

Java Data base Connectivity Driver

See Also:

Constant Field Values

JDBC_URL

public static final java.lang.String JDBC_URL

Java Data Base Connectivity URL

See Also:

Constant Field Values

DB_HOST

public static final java.lang.String DB_HOST

Database host name

See Also:

Constant Field Values

DB_NAME

public static final java.lang.String DB_NAME

Database name

See Also:

Constant Field Values

DB_USERNAME

public static final java.lang.String DB_USERNAME

Database user name

See Also:

Constant Field Values

DB_PASSWORD

public static final java.lang.String DB_PASSWORD

Database password

See Also:

Constant Field Values

NO_OUTPUT_MSG

public static final java.lang.String NO_OUTPUT_MSG

No records found message

See Also:

Constant Field Values

Constructor Detail

Configuration

public Configuration(java.lang.String fName,
                     boolean useClassPath)

Create a Configuration object. There are two ways of reading configuration files. First, finding xxx.properties from Java classpath. Second, finding file by the specified path.

Parameters:

fName - the path of the configuration file or base name when using class path.

useClassPath - a flag of finding configurationfile from class path

Method Detail

GetConfiguration

public java.lang.String GetConfiguration(java.lang.String key)

Get a value from configuration file by specifying the key.

Parameters:

key - key (name) of the configuration value to be get

Returns:

the value of the configuration item in a string format

OverWriteProperty

public static java.lang.String OverWriteProperty(java.lang.String key,
                                                 Configuration conf,
                                                 java.util.Hashtable properties)

Get a value from configuration file by specifying the key. Overwrite the value if it is specified in the properties.

Parameters:

key - key (name) of the configuration value to be get

Returns:

the value of the configuration item in a string format