schemadvfactoryimpl.java

java1.6众多例子参考

/*
 * Copyright 2001-2005 The Apache Software Foundation.
 * 
 * Licensed under the Apache 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.apache.org/licenses/LICENSE-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 com.sun.org.apache.xerces.internal.impl.dv.xs;

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

/**
 * the factory to create/return built-in schema DVs and create user-defined DVs
 * 
 * @xerces.internal 
 *
 * @author Neeraj Bajaj, Sun Microsystems, inc.
 * @author Sandy Gao, IBM
 *
 * @version $Id: SchemaDVFactoryImpl.java,v 1.2.6.1 2005/09/06 11:43:08 neerajbj 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 memberTypes       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 ANYATOMICTYPE	   = "anyAtomicType";
        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";
        final String ID                = "ID";
        final String IDREF             = "IDREF";
        final String IDREFS            = "IDREFS";
        final String INT               = "int";
        final String INTEGER           = "integer";
        final String LONG              = "long";
        final String NAME              = "Name";
        final String NEGATIVEINTEGER   = "negativeInteger";
        final String MONTH             = "gMonth";
        final String MONTHDAY          = "gMonthDay";
        final String NCNAME            = "NCName";
        final String NMTOKEN           = "NMTOKEN";
        final String NMTOKENS          = "NMTOKENS";
        final String LANGUAGE          = "language";
        final String NONNEGATIVEINTEGER= "nonNegativeInteger";
        final String NONPOSITIVEINTEGER= "nonPositiveInteger";
        final String NORMALIZEDSTRING  = "normalizedString";
        final String NOTATION          = "NOTATION";
        final String POSITIVEINTEGER   = "positiveInteger";
        final String QNAME             = "QName";
        final String SHORT             = "short";
        final String STRING            = "string";
        final String TIME              = "time";
        final String TOKEN             = "token";
        final String UNSIGNEDBYTE      = "unsignedByte";
        final String UNSIGNEDINT       = "unsignedInt";
        final String UNSIGNEDLONG      = "unsignedLong";
        final String UNSIGNEDSHORT     = "unsignedShort";
        final String YEAR              = "gYear";
        final String YEARMONTH         = "gYearMonth";