com.sun.org.apache.xerces.internal.impl.dv.SchemaDVFactory Maven / Gradle / Ivy
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package com.sun.org.apache.xerces.internal.impl.dv;
import com.sun.org.apache.xerces.internal.util.SymbolHash;
import com.sun.org.apache.xerces.internal.xs.XSObjectList;
/**
* Defines a factory API that enables applications to
* 1. to get the instance of specified SchemaDVFactory implementation
* 2. to create/return built-in schema simple types
* 3. to create user defined simple types.
*
* Implementations of this abstract class can be used to get built-in simple
* types and create user-defined simle types.
*
* The implementation should store the built-in datatypes in static data, so
* that they can be shared by multiple parser instance, and multiple threads.
*
* @xerces.internal
*
* @author Sandy Gao, IBM
*
* @version $Id: SchemaDVFactory.java,v 1.6 2010-11-01 04:39:43 joehw Exp $
*/
public abstract class SchemaDVFactory {
private static final String DEFAULT_FACTORY_CLASS = "com.sun.org.apache.xerces.internal.impl.dv.xs.SchemaDVFactoryImpl";
/**
* Get a default instance of SchemaDVFactory implementation.
*
* @return an instance of SchemaDVFactory implementation
* @exception DVFactoryException cannot create an instance of the specified
* class name or the default class name
*/
public static synchronized final SchemaDVFactory getInstance() throws DVFactoryException {
return getInstance(DEFAULT_FACTORY_CLASS);
} //getInstance(): SchemaDVFactory
/**
* Get an instance of SchemaDVFactory implementation.
*
* @param factoryClass name of the schema factory implementation to instantiate.
* @return an instance of SchemaDVFactory implementation
* @exception DVFactoryException cannot create an instance of the specified
* class name or the default class name
*/
public static synchronized final SchemaDVFactory getInstance(String factoryClass) throws DVFactoryException {
try {
// if the class name is not specified, use the default one
return (SchemaDVFactory)(ObjectFactory.newInstance(
factoryClass, ObjectFactory.findClassLoader(), true));
} catch (ClassCastException e4) {
throw new DVFactoryException("Schema factory class " + factoryClass + " does not extend from SchemaDVFactory.");
}
}
// can't create a new object of this class
protected SchemaDVFactory(){}
/**
* Get a built-in simple type of the given name
* REVISIT: its still not decided within the Schema WG how to define the
* ur-types and if all simple types should be derived from a
* complex type, so as of now we ignore the fact that anySimpleType
* is derived from anyType, and pass 'null' as the base of
* anySimpleType. It needs to be changed as per the decision taken.
*
* @param name the name of the datatype
* @return the datatype validator of the given name
*/
public abstract XSSimpleType getBuiltInType(String name);
/**
* get all built-in simple types, which are stored in a SymbolHash keyed by
* the name
*
* @return a SymbolHash which contains all built-in simple types
*/
public abstract SymbolHash getBuiltInTypes();
/**
* Create a new simple type which is derived by restriction from another
* simple type.
*
* @param name name of the new type, could be null
* @param targetNamespace target namespace of the new type, could be null
* @param finalSet value of "final"
* @param base base type of the new type
* @param annotations set of annotations
* @return the newly created simple type
*/
public abstract XSSimpleType createTypeRestriction(String name, String targetNamespace,
short finalSet, XSSimpleType base,
XSObjectList annotations);
/**
* Create a new simple type which is derived by list from another simple
* type.
*
* @param name name of the new type, could be null
* @param targetNamespace target namespace of the new type, could be null
* @param finalSet value of "final"
* @param itemType item type of the list type
* @param annotations set of annotations
* @return the newly created simple type
*/
public abstract XSSimpleType createTypeList(String name, String targetNamespace,
short finalSet, XSSimpleType itemType,
XSObjectList annotations);
/**
* Create a new simple type which is derived by union from a list of other
* simple types.
*
* @param name name of the new type, could be null
* @param targetNamespace target namespace of the new type, could be null
* @param finalSet value of "final"
* @param memberTypes member types of the union type
* @param annotations set of annotations
* @return the newly created simple type
*/
public abstract XSSimpleType createTypeUnion(String name, String targetNamespace,
short finalSet, XSSimpleType[] memberTypes,
XSObjectList annotations);
}