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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.xs;
/**
* This interface provides access to the post schema validation infoset for an
* API that provides a streaming document infoset, such as SAX, XNI, and
* others.
* For implementations that would like to provide access to the PSVI in a
* streaming model, a parser object should also implement the
* PSVIProvider interface. Within the scope of the methods
* handling the start and end of an element, applications may use the
* PSVIProvider to retrieve the PSVI related to the element and
* its attributes.
*/
public interface PSVIProvider {
/**
* Provides the post schema validation item for the current element
* information item. The method must be called by an application while
* in the scope of the methods which report the start and end of an
* element. For example, for SAX the method must be called within the
* scope of the document handler's startElement or
* endElement call. If the method is called outside of the
* specified scope, the return value is undefined.
* @return The post schema validation infoset for the current element. If
* an element information item is valid, then in the
* post-schema-validation infoset the following properties must be
* available for the element information item: The following
* properties are available in the scope of the method that reports
* the start of an element: {element declaration}, {validation
* context}, {notation}. The {schema information} property is
* available for the validation root. The {error codes} property is
* available if any errors occured during validation. The following
* properties are available in the scope of the method that reports
* the end of an element: {nil}, {schema specified}, {normalized
* value},{ member type definition}, {validity}, {validation attempted}
* . If the declaration has a value constraint, the property {schema
* default} is available. The {error codes} property is available if
* any errors occured during validation. Note: some processors may
* choose to provide all the PSVI properties in the scope of the
* method that reports the end of an element.
*/
public ElementPSVI getElementPSVI();
/**
* Provides AttributePSVI given the index of an attribute
* information item in the current element's attribute list. The method
* must be called by an application while in the scope of the methods
* which report the start and end of an element at a point where the
* attribute list is available. For example, for SAX the method must be
* called while in the scope of the document handler's
* startElement call. If the method is called outside of
* the specified scope, the return value is undefined.
* @param index The attribute index.
* @return The post schema validation properties of the attribute.
*/
public AttributePSVI getAttributePSVI(int index);
/**
* Provides AttributePSVI given the namespace name and the
* local name of an attribute information item in the current element's
* attribute list. The method must be called by an application while in
* the scope of the methods which report the start and end of an element
* at a point where the attribute list is available. For example, for
* SAX the method must be called while in the scope of the document
* handler's startElement call. If the method is called
* outside of the specified scope, the return value is undefined.
* @param uri The namespace name of an attribute.
* @param localname The local name of an attribute.
* @return The post schema validation properties of the attribute.
*/
public AttributePSVI getAttributePSVIByName(String uri,
String localname);
}