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A processor for parsing, validating, serializing and manipulating XML, written in Java
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/*
* 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 org.apache.xerces.impl.xs;
import org.apache.xerces.impl.dv.ValidatedInfo;
import org.apache.xerces.impl.xs.util.StringListImpl;
import org.apache.xerces.xs.AttributePSVI;
import org.apache.xerces.xs.ItemPSVI;
import org.apache.xerces.xs.ShortList;
import org.apache.xerces.xs.StringList;
import org.apache.xerces.xs.XSAttributeDeclaration;
import org.apache.xerces.xs.XSSimpleTypeDefinition;
import org.apache.xerces.xs.XSTypeDefinition;
import org.apache.xerces.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
* @version $Id$
*/
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) ?
(String[]) 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 org.apache.xerces.xs.ItemPSVI#constant()
*/
public ItemPSVI constant() {
if (isConstant()) {
return this;
}
return new AttributePSVImpl(true, this);
}
/* (non-Javadoc)
* @see org.apache.xerces.xs.ItemPSVI#isConstant()
*/
public boolean isConstant() {
return fIsConstant;
}
/**
* [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 fValue.getNormalizedValue();
}
/**
* [schema specified]
* @see XML Schema Part 1: Structures [schema specified]
* @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 StringList
if no errors occurred during the
* validation attempt. The indices of error messages in this list are
* aligned with those in the [schema error 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 org.apache.xerces.xs.ItemPSVI#getActualNormalizedValue()
*/
public Object getActualNormalizedValue() {
return fValue.getActualValue();
}
/* (non-Javadoc)
* @see org.apache.xerces.xs.ItemPSVI#getActualNormalizedValueType()
*/
public short getActualNormalizedValueType() {
return fValue.getActualValueType();
}
/* (non-Javadoc)
* @see org.apache.xerces.xs.ItemPSVI#getItemValueTypes()
*/
public ShortList getItemValueTypes() {
return fValue.getListValueTypes();
}
/* (non-Javadoc)
* @see org.apache.xerces.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;
}
}