velosurf.sql
Class ConfigLoader

java.lang.Object
  velosurf.sql.ConfigLoader

public class ConfigLoader
extends java.lang.Object

A model configuration loader for the Database object.

Author:

Claude Brisson

Field Summary

private static java.util.regex.Pattern	attributeResultSyntax Syntax checker pattern for the result attribute of <attribute> tags.
private Database	database Database.
private boolean	warnedAboutAttributeTagDeprecation
private XIncludeResolver	xincludeResolver <xi:include> tag resolver.

Constructor Summary

ConfigLoader(Database db)
Constructor.

ConfigLoader(Database db, XIncludeResolver xincludeResolver)
Constructor.

Method Summary

private java.lang.String	adaptCase(java.lang.String str) Adapt the case to match chosen database case policy.
private boolean	checkSyntax(java.lang.String paramName, java.lang.String paramValue, java.lang.String[] possibleValues) Check the syntax of a parameter in the config file.
private void	defineActions(org.jdom.Element parent, Entity entity) Define actions.
private void	defineAttributes(org.jdom.Element parent, Entity entity) Define Velosurf attributes.
private void	defineConstraints(org.jdom.Element element, Entity entity) Define constraints.
private void	defineEntities(org.jdom.Element database) Define entities.
private void	defineForeignKeys(org.jdom.Element parent, Entity entity) Define foreign keys.
static boolean	isTransaction(org.jdom.Element element) Check whether the action defined by this XML tree is a simple action or a transaction.
void	loadConfig(java.io.InputStream config) Main method of the ConfigLoader.
private static int	parseCaching(java.lang.String caching) Parse a caching value.
private void	setDatabaseAttributes(org.jdom.Element database) Parses database XML attributes.

Methods inherited from class java.lang.Object

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

Field Detail

database

private Database database

Database.

xincludeResolver

private XIncludeResolver xincludeResolver

<xi:include> tag resolver.

attributeResultSyntax

private static final java.util.regex.Pattern attributeResultSyntax

Syntax checker pattern for the result attribute of <attribute> tags.

warnedAboutAttributeTagDeprecation

private boolean warnedAboutAttributeTagDeprecation

Constructor Detail

ConfigLoader

public ConfigLoader(Database db)

Constructor.

Parameters:

db - database

ConfigLoader

public ConfigLoader(Database db,
                    XIncludeResolver xincludeResolver)

Constructor.

Parameters:

db - database

xincludeResolver - <xi:include> tag resolver

Method Detail

loadConfig

public void loadConfig(java.io.InputStream config)
                throws java.lang.Exception

Main method of the ConfigLoader.

Parameters:

config - the model configuration input stream

Throws:

java.lang.Exception

adaptCase

private java.lang.String adaptCase(java.lang.String str)

Adapt the case to match chosen database case policy.

Parameters:

str - string to adapt

Returns:

adapted string

setDatabaseAttributes

private void setDatabaseAttributes(org.jdom.Element database)

Parses database XML attributes.

Parameters:

database - parent element

defineAttributes

private void defineAttributes(org.jdom.Element parent,
                              Entity entity)
                       throws java.sql.SQLException

Define Velosurf attributes.

Parameters:

parent - parent XML element

entity - parent entity

Throws:

java.sql.SQLException

defineForeignKeys

private void defineForeignKeys(org.jdom.Element parent,
                               Entity entity)

Define foreign keys.

Parameters:

parent - parent XML element

entity - parent entity

defineActions

private void defineActions(org.jdom.Element parent,
                           Entity entity)

Define actions.

Parameters:

parent - parent XML element

entity - parent entity

defineEntities

private void defineEntities(org.jdom.Element database)
                     throws java.lang.Exception

Define entities.

Parameters:

database - database XML element

Throws:

java.lang.Exception

defineConstraints

private void defineConstraints(org.jdom.Element element,
                               Entity entity)
                        throws java.lang.Exception

Define constraints.

Parameters:

element - parent XML element

entity - parent entity

Throws:

java.lang.Exception

checkSyntax

private boolean checkSyntax(java.lang.String paramName,
                            java.lang.String paramValue,
                            java.lang.String[] possibleValues)

Check the syntax of a parameter in the config file.

Parameters:

paramName - name of the parameter

paramValue - value of the parameter

possibleValues - possible values for the parameter

Returns:

whether the syntax is correct

parseCaching

private static int parseCaching(java.lang.String caching)

Parse a caching value.

Parameters:

caching - string describing the type of caching

Returns:

type of caching

isTransaction

public static boolean isTransaction(org.jdom.Element element)

Check whether the action defined by this XML tree is a simple action or a transaction.

Parameters:

element - XML tree defining an action

Returns:

true if the action is a transaction