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	/*
	* Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
	*/
	/*
	* Licensed to the Apache Software Foundation (ASF) under one or more
	* contributor license agreements. See the NOTICE file distributed with
	* this work for additional information regarding copyright ownership.
	* The ASF licenses this file to You 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.xs;

	import com.sun.org.apache.xerces.internal.impl.dv.ValidatedInfo;
	import com.sun.org.apache.xerces.internal.impl.xs.util.StringListImpl;
	import com.sun.org.apache.xerces.internal.xs.AttributePSVI;
	import com.sun.org.apache.xerces.internal.xs.ItemPSVI;
	import com.sun.org.apache.xerces.internal.xs.ShortList;
	import com.sun.org.apache.xerces.internal.xs.StringList;
	import com.sun.org.apache.xerces.internal.xs.XSAttributeDeclaration;
	import com.sun.org.apache.xerces.internal.xs.XSConstants;
	import com.sun.org.apache.xerces.internal.xs.XSSimpleTypeDefinition;
	import com.sun.org.apache.xerces.internal.xs.XSTypeDefinition;
	import com.sun.org.apache.xerces.internal.xs.XSValue;

	/**
	* Attribute PSV infoset augmentations implementation.
	* The PSVI information for attributes will be available at the startElement call.
	*
	* @xerces.internal
	*
	* @author Elena Litani IBM
	* @LastModified: Nov 2017
	*/
	public class AttributePSVImpl implements AttributePSVI {

	/** 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 false; otherwise, it is true */
	protected boolean fSpecified = false;

	/** Schema value */
	protected ValidatedInfo fValue = new ValidatedInfo();

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

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

	/** error codes and error messages */
	protected String[] fErrors = null;

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

	/ true if this object is immutable /
	protected boolean fIsConstant;

	public AttributePSVImpl() {}

	public AttributePSVImpl(boolean isConstant, AttributePSVI attrPSVI) {
	fDeclaration = attrPSVI.getAttributeDeclaration();
	fTypeDecl = attrPSVI.getTypeDefinition();
	fSpecified = attrPSVI.getIsSchemaSpecified();
	fValue.copyFrom(attrPSVI.getSchemaValue());
	fValidationAttempted = attrPSVI.getValidationAttempted();
	fValidity = attrPSVI.getValidity();
	if (attrPSVI instanceof AttributePSVImpl) {
	final AttributePSVImpl attrPSVIImpl = (AttributePSVImpl) attrPSVI;
	fErrors = (attrPSVIImpl.fErrors != null) ? attrPSVIImpl.fErrors.clone() : null;
	}
	else {
	final StringList errorCodes = attrPSVI.getErrorCodes();
	final int length = errorCodes.getLength();
	if (length > 0) {
	final StringList errorMessages = attrPSVI.getErrorMessages();
	final String[] errors = new String[length << 1];
	for (int i = 0, j = 0; i < length; ++i) {
	errors[j++] = errorCodes.item(i);
	errors[j++] = errorMessages.item(i);
	}
	fErrors = errors;
	}
	}
	fValidationContext = attrPSVI.getValidationContext();
	fIsConstant = isConstant;
	}

	//
	// AttributePSVI methods
	//

	/* (non-Javadoc)
	* @see com.sun.org.apache.xerces.internal.xs.ItemPSVI#constant()
	*/
	public ItemPSVI constant() {
	if (isConstant()) {
	return this;
	}
	return new AttributePSVImpl(true, this);
	}

	/* (non-Javadoc)
	* @see com.sun.org.apache.xerces.internal.xs.ItemPSVI#isConstant()
	*/
	public boolean isConstant() {
	return fIsConstant;
	}

	/**
	* [schema default]
	*
	* @return The canonical lexical representation of the declaration's {value constraint} value.
	* @see <a href="http://www.w3.org/TR/xmlschema-1/#e-schema_default>XML Schema Part 1: Structures [schema default]</a>
	*/
	@SuppressWarnings("deprecation")
	public String getSchemaDefault() {
	return fDeclaration == null ? null : fDeclaration.getConstraintValue();
	}

	/**
	* [schema normalized value]
	*
	*
	* @see <a href="http://www.w3.org/TR/xmlschema-1/#e-schema_normalized_value>XML Schema Part 1: Structures [schema normalized value]</a>
	* @return the normalized value of this item after validation
	*/
	@Deprecated
	public String getSchemaNormalizedValue() {
	return fValue.getNormalizedValue();
	}

	/**
	* [schema specified]
	* @see <a href="http://www.w3.org/TR/xmlschema-1/#e-schema_specified">XML Schema Part 1: Structures [schema specified]</a>
	* @return true - value was specified in schema, false - 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() {
	if (fErrors == null \|\| fErrors.length == 0) {
	return StringListImpl.EMPTY_LIST;
	}
	return new PSVIErrorList(fErrors, true);
	}

	/**
	* A list of error messages generated from the validation attempt or
	* an empty <code>StringList</code> if no errors occurred during the
	* validation attempt. The indices of error messages in this list are
	* aligned with those in the <code>[schema error code]</code> list.
	*/
	public StringList getErrorMessages() {
	if (fErrors == null \|\| fErrors.length == 0) {
	return StringListImpl.EMPTY_LIST;
	}
	return new PSVIErrorList(fErrors, false);
	}

	// 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 fValue.getMemberTypeDefinition();
	}

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

	/* (non-Javadoc)
	* @see com.sun.org.apache.xerces.internal.xs.ItemPSVI#getActualNormalizedValue()
	*/
	@Deprecated
	public Object getActualNormalizedValue() {
	return fValue.getActualValue();
	}

	/* (non-Javadoc)
	* @see com.sun.org.apache.xerces.internal.xs.ItemPSVI#getActualNormalizedValueType()
	*/
	@Deprecated
	public short getActualNormalizedValueType() {
	return fValue.getActualValueType();
	}

	/* (non-Javadoc)
	* @see com.sun.org.apache.xerces.internal.xs.ItemPSVI#getItemValueTypes()
	*/
	@Deprecated
	public ShortList getItemValueTypes() {
	return fValue.getListValueTypes();
	}

	/* (non-Javadoc)
	* @see com.sun.org.apache.xerces.internal.xs.ItemPSVI#getSchemaValue()
	*/
	public XSValue getSchemaValue() {
	return fValue;
	}

	/**
	* Reset()
	*/
	public void reset() {
	fValue.reset();
	fDeclaration = null;
	fTypeDecl = null;
	fSpecified = false;
	fValidationAttempted = AttributePSVI.VALIDATION_NONE;
	fValidity = AttributePSVI.VALIDITY_NOTKNOWN;
	fErrors = null;
	fValidationContext = null;
	}
	}

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