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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * 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.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS 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 COPYRIGHT
** OWNER OR 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."
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore>
#include <QtXmlPatterns>
class SchemaValidator
{
public:
void validateFromUrl() const;
void validateFromFile() const;
void validateFromData() const;
void validateComplete() const;
private:
QXmlSchema getSchema() const;
};
void SchemaValidator::validateFromUrl() const
{
//! [0]
const QXmlSchema schema = getSchema();
const QUrl url("http://www.schema-example.org/test.xml");
QXmlSchemaValidator validator(schema);
if (validator.validate(url))
qDebug() << "instance document is valid";
else
qDebug() << "instance document is invalid";
//! [0]
}
void SchemaValidator::validateFromFile() const
{
//! [1]
const QXmlSchema schema = getSchema();
QFile file("test.xml");
file.open(QIODevice::ReadOnly);
QXmlSchemaValidator validator(schema);
if (validator.validate(&file, QUrl::fromLocalFile(file.fileName())))
qDebug() << "instance document is valid";
else
qDebug() << "instance document is invalid";
//! [1]
}
void SchemaValidator::validateFromData() const
{
//! [2]
const QXmlSchema schema = getSchema();
QByteArray data("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<test></test>");
QBuffer buffer(&data);
buffer.open(QIODevice::ReadOnly);
QXmlSchemaValidator validator(schema);
if (validator.validate(&buffer))
qDebug() << "instance document is valid";
else
qDebug() << "instance document is invalid";
//! [2]
}
QXmlSchema SchemaValidator::getSchema() const
{
QByteArray data("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<xsd:schema"
" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\""
" xmlns=\"http://qt.nokia.com/xmlschematest\""
" targetNamespace=\"http://qt.nokia.com/xmlschematest\""
" version=\"1.0\""
" elementFormDefault=\"qualified\">"
"</xsd:schema>");
QBuffer buffer(&data);
buffer.open(QIODevice::ReadOnly);
QXmlSchema schema;
schema.load(&buffer);
return schema;
}
void SchemaValidator::validateComplete() const
{
//! [3]
QUrl schemaUrl("file:///home/user/schema.xsd");
QXmlSchema schema;
schema.load(schemaUrl);
if (schema.isValid()) {
QFile file("test.xml");
file.open(QIODevice::ReadOnly);
QXmlSchemaValidator validator(schema);
if (validator.validate(&file, QUrl::fromLocalFile(file.fileName())))
qDebug() << "instance document is valid";
else
qDebug() << "instance document is invalid";
}
//! [3]
}
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
SchemaValidator validator;
validator.validateFromUrl();
validator.validateFromFile();
validator.validateFromData();
validator.validateComplete();
return 0;
}
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