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/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2002 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.
 *
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written 
 *    permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * 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) 1999, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * .
 */

package org.apache.xerces.dom;

import org.apache.xerces.xni.psvi.AttributePSVI;
import org.apache.xerces.impl.xs.psvi.*;

/**
 * Attribute namespace implementation; stores PSVI attribute items.
 * 
 * @author Sandy Gao, IBM
 * 
 * @version $Id: PSVIAttrNSImpl.java,v 1.2 2003/01/20 13:55:56 elena Exp $
 */
public class PSVIAttrNSImpl extends AttrNSImpl implements AttributePSVI {

    /**
     * Construct an attribute node.
     */
    public PSVIAttrNSImpl(CoreDocumentImpl ownerDocument, String namespaceURI, 
                          String qualifiedName, String localName) {
        super(ownerDocument, namespaceURI, qualifiedName, localName);
    }
    
    /**
     * Construct an attribute node.
     */
    public PSVIAttrNSImpl(CoreDocumentImpl ownerDocument, String namespaceURI, 
                          String qualifiedName) {
        super(ownerDocument, namespaceURI, qualifiedName);
    }
    
    /** attribute declaration */
    protected XSAttributeDeclaration fDeclaration = null;

    /** type of attribute, simpleType */
    protected XSTypeDefinition fTypeDecl = null;

    /** If this attribute was explicitly given a 
     * value in the original document, this is true; otherwise, it is false  */
    protected boolean fSpecified = true;

    /** schema normalized value property */
    protected String fNormalizedValue = null;

    /** member type definition against which attribute was validated */
    protected XSSimpleTypeDefinition fMemberType = null;

    /** validation attempted: none, partial, full */
    protected short fValidationAttempted = AttributePSVI.VALIDATION_NONE;

    /** validity: valid, invalid, unknown */
    protected short fValidity = AttributePSVI.VALIDITY_NOTKNOWN;

    /** error codes */
    protected StringList fErrorCodes = null;

    /** validation context: could be QName or XPath expression*/
    protected String fValidationContext = null;

    //
    // AttributePSVI methods
    //

    /**
     * [schema default]
     *
     * @return The canonical lexical representation of the declaration's {value constraint} value.
     * @see XML Schema Part 1: Structures [schema normalized value]
     * @return the normalized value of this item after validation
     */
    public String getSchemaNormalizedValue() {
        return fNormalizedValue;
    }

    /**
     * [schema specified] 
     * @see XML Schema Part 1: Structures [schema specified]
     * @return false value was specified in schema, true value comes from the infoset
     */
    public boolean getIsSchemaSpecified() {
        return fSpecified;
    }


    /**
     * Determines the extent to which the document has been validated
     *
     * @return return the [validation attempted] property. The possible values are
     *         NO_VALIDATION, PARTIAL_VALIDATION and FULL_VALIDATION
     */
    public short getValidationAttempted() {
        return fValidationAttempted;
    }

    /**
     * Determine the validity of the node with respect
     * to the validation being attempted
     *
     * @return return the [validity] property. Possible values are:
     *         UNKNOWN_VALIDITY, INVALID_VALIDITY, VALID_VALIDITY
     */
    public short getValidity() {
        return fValidity;
    }

    /**
     * A list of error codes generated from validation attempts.
     * Need to find all the possible subclause reports that need reporting
     *
     * @return list of error codes
     */
    public StringList getErrorCodes() {
        return fErrorCodes;
    }

    // This is the only information we can provide in a pipeline.
    public String getValidationContext() {
        return fValidationContext;
    }

    /**
     * An item isomorphic to the type definition used to validate this element.
     * 
     * @return  a type declaration
     */
    public XSTypeDefinition getTypeDefinition() {
        return fTypeDecl;
    }

    /**
     * If and only if that type definition is a simple type definition
     * with {variety} union, or a complex type definition whose {content type}
     * is a simple thype definition with {variety} union, then an item isomorphic
     * to that member of the union's {member type definitions} which actually
     * validated the element item's normalized value.
     * 
     * @return  a simple type declaration
     */
    public XSSimpleTypeDefinition getMemberTypeDefinition() {
        return fMemberType;
    }

    /**
     * An item isomorphic to the attribute declaration used to validate
     * this attribute.
     * 
     * @return  an attribute declaration
     */
    public XSAttributeDeclaration getAttributeDeclaration() {
        return fDeclaration;
    }

    /**
     * Copy PSVI properties from another psvi item.
     * 
     * @param attr  the source of attribute PSVI items
     */
    public void setPSVI(AttributePSVI attr) {
        this.fDeclaration = attr.getAttributeDeclaration();
        this.fValidationContext = attr.getValidationContext();
        this.fValidity = attr.getValidity();
        this.fValidationAttempted = attr.getValidationAttempted();
        this.fErrorCodes = attr.getErrorCodes();
        this.fNormalizedValue = attr.getSchemaNormalizedValue();
        this.fTypeDecl = attr.getTypeDefinition();
        this.fMemberType = attr.getMemberTypeDefinition();
        this.fSpecified = attr.getIsSchemaSpecified();
    }
    
}