/**********************************************************************************
* $URL: https://source.sakaiproject.org/svn/metaobj/trunk/metaobj-impl/api-impl/src/java/org/sakaiproject/metaobj/utils/xml/impl/ElementTypeFactory.java $
* $Id: ElementTypeFactory.java 105079 2012-02-24 23:08:11Z ottenhoff@longsight.com $
***********************************************************************************
*
* Copyright (c) 2004, 2005, 2006, 2008 The Sakai Foundation
*
* Licensed under the Educational Community License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.opensource.org/licenses/ECL-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**********************************************************************************/
package org.sakaiproject.metaobj.utils.xml.impl;
import org.jdom.Element;
import org.jdom.Namespace;
import org.sakaiproject.metaobj.utils.xml.SchemaNode;
/**
* Created by IntelliJ IDEA.
* User: John Ellis
* Date: Apr 15, 2004
* Time: 6:02:54 PM
* To change this template use File | Settings | File Templates.
*/
public class ElementTypeFactory {
private static ElementTypeFactory instance = new ElementTypeFactory();
private static final String INT_TYPES = "" +
" xs:byte" + //A signed 8-bit integer \n" +
" xs:int" + //A signed 32-bit integer \n" +
" xs:integer" + //An integer value \n" +
" xs:long" + //A signed 64-bit integer \n" +
" xs:negativeInteger" + //An integer containing only negative values ( .., -2, -1.) \n" +
" xs:nonNegativeInteger" + //An integer containing only non-negative values (0, 1, 2, ..) \n" +
" xs:nonPositiveInteger" + //An integer containing only non-positive values (.., -2, -1, 0) \n" +
" xs:positiveInteger" + //An integer containing only positive values (1, 2, ..) \n" +
" xs:short" + //A signed 16-bit integer \n" +
" xs:unsignedLong" + //An unsigned 64-bit integer \n" +
" xs:unsignedInt" + //An unsigned 32-bit integer \n" +
" xs:unsignedShort" + //An unsigned 16-bit integer \n" +
" xs:unsignedByte"; //An unsigned 8-bit integer";
private static final String DECIMAL_TYPES = "" +
" xs:decimal";
private static final String BOOLEAN_TYPES = "" +
" xs:boolean";
private static final String DATE_TYPES = "" +
" xs:date" +
" xs:time" +
" xs:dateTime";
private static final String URI_TYPES = "" +
" xs:anyURI";
protected ElementTypeFactory() {
}
public static ElementTypeFactory getInstance() {
return instance;
}
public BaseElementType createElementType(Element schemaElement, SchemaNode parentNode,
Namespace xsdNamespace) {
String typeName = "unknown";
if (schemaElement.getAttributeValue("type") != null) {
typeName = schemaElement.getAttributeValue("type");
}
else {
Element simpleType = schemaElement.getChild("simpleType", xsdNamespace);
if (simpleType == null) {
simpleType = schemaElement.getChild("simpleContent", xsdNamespace);
}
if (simpleType != null) {
Element restrictions = simpleType.getChild("restriction", xsdNamespace);
if (restrictions != null) {
typeName = restrictions.getAttributeValue("base");
}
else {
typeName = simpleType.getChild("extension", xsdNamespace).getAttributeValue("base");
}
}
}
if (INT_TYPES.indexOf(typeName) != -1) {
return new NumberElementType(typeName, schemaElement,
parentNode, xsdNamespace).postInit(xsdNamespace);
}
else if (DECIMAL_TYPES.indexOf(typeName) != -1) {
return new DecimalElementType(typeName, schemaElement,
parentNode, xsdNamespace).postInit(xsdNamespace);
}
else if (BOOLEAN_TYPES.indexOf(typeName) != -1) {
return new BooleanElementType(typeName, schemaElement,
parentNode, xsdNamespace).postInit(xsdNamespace);
}
else if (DATE_TYPES.indexOf(typeName) != -1) {
return new DateFormatterElementType(typeName, schemaElement,
parentNode, xsdNamespace).postInit(xsdNamespace);
}
else if (URI_TYPES.indexOf(typeName) != -1) {
return new UriElementType(typeName, schemaElement,
parentNode, xsdNamespace).postInit(xsdNamespace);
}
// default to BaseElementType
return new BaseElementType(typeName, schemaElement, parentNode, xsdNamespace).postInit(xsdNamespace);
}
}