schemadvfactoryimpl.java

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/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
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 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
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 * 5. Products derived from this software may not be called "Apache",
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 2001, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package com.sun.org.apache.xerces.internal.impl.dv.xs;

import com.sun.org.apache.xerces.internal.impl.dv.SchemaDVFactory;
import com.sun.org.apache.xerces.internal.impl.dv.XSSimpleType;
import com.sun.org.apache.xerces.internal.impl.dv.XSFacets;
import com.sun.org.apache.xerces.internal.impl.xs.XSDeclarationPool;
import com.sun.org.apache.xerces.internal.xs.XSConstants;
import com.sun.org.apache.xerces.internal.xs.XSObjectList;
import com.sun.org.apache.xerces.internal.util.SymbolHash;

/**
 * the factory to create/return built-in schema DVs and create user-defined DVs
 *
 * @author Neeraj Bajaj, Sun Microsystems, inc.
 * @author Sandy Gao, IBM
 *
 * @version $Id: SchemaDVFactoryImpl.java,v 1.14 2003/11/12 23:17:32 sandygao Exp $
 */
public class SchemaDVFactoryImpl extends SchemaDVFactory {

    static final String URI_SCHEMAFORSCHEMA = "http://www.w3.org/2001/XMLSchema";

    static SymbolHash fBuiltInTypes = new SymbolHash();
    static {
        createBuiltInTypes();
    }

    protected XSDeclarationPool fDeclPool = null;

    /**
     * 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 XSSimpleType getBuiltInType(String name) {
        return (XSSimpleType)fBuiltInTypes.get(name);
    }

    /**
     * get all built-in simple types, which are stored in a hashtable keyed by
     * the name
     *
     * @return      a hashtable which contains all built-in simple types
     */
    public SymbolHash getBuiltInTypes() {
        return (SymbolHash)fBuiltInTypes.makeClone();
    }

    /**
     * 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 XSSimpleType createTypeRestriction(String name, String targetNamespace,
                                              short finalSet, XSSimpleType base, XSObjectList annotations) {
        
        if (fDeclPool != null) {
           XSSimpleTypeDecl st= fDeclPool.getSimpleTypeDecl();
           return st.setRestrictionValues((XSSimpleTypeDecl)base, name, targetNamespace, finalSet, annotations);
        }
        return new XSSimpleTypeDecl((XSSimpleTypeDecl)base, name, targetNamespace, finalSet, false, 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 XSSimpleType createTypeList(String name, String targetNamespace,
                                       short finalSet, XSSimpleType itemType,
                                       XSObjectList annotations) {
        if (fDeclPool != null) {
           XSSimpleTypeDecl st= fDeclPool.getSimpleTypeDecl();
           return st.setListValues(name, targetNamespace, finalSet, (XSSimpleTypeDecl)itemType, annotations);
        }
        return new XSSimpleTypeDecl(name, targetNamespace, finalSet, (XSSimpleTypeDecl)itemType, false, 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 base              member types of the union type
     * @param annotations       set of annotations
     * @return                  the newly created simple type
     */
    public XSSimpleType createTypeUnion(String name, String targetNamespace,
                                        short finalSet, XSSimpleType[] memberTypes,
                                        XSObjectList annotations) {
        int typeNum = memberTypes.length;
        XSSimpleTypeDecl[] mtypes = new XSSimpleTypeDecl[typeNum];
        System.arraycopy(memberTypes, 0, mtypes, 0, typeNum);

        if (fDeclPool != null) {
           XSSimpleTypeDecl st= fDeclPool.getSimpleTypeDecl();
           return st.setUnionValues(name, targetNamespace, finalSet, mtypes, annotations);
        }
        return new XSSimpleTypeDecl(name, targetNamespace, finalSet, mtypes, annotations);
    }

    // create all built-in types
    static void createBuiltInTypes() {
        // all schema simple type names
        final String ANYSIMPLETYPE     = "anySimpleType";
        final String ANYURI            = "anyURI";
        final String BASE64BINARY      = "base64Binary";
        final String BOOLEAN           = "boolean";
        final String BYTE              = "byte";
        final String DATE              = "date";
        final String DATETIME          = "dateTime";
        final String DAY               = "gDay";
        final String DECIMAL           = "decimal";
        final String DOUBLE            = "double";
        final String DURATION          = "duration";
        final String ENTITY            = "ENTITY";
        final String ENTITIES          = "ENTITIES";
        final String FLOAT             = "float";
        final String HEXBINARY         = "hexBinary";