Examples of org.pdf4j.saxon.Configuration

org.pdf4j.saxon.Configuration
This class holds details of user-selected configuration options for a set of transformations and/or queries. When running XSLT, the preferred way of setting configuration options is via the JAXP TransformerFactory interface, but the Configuration object provides a finer level of control. As yet there is no standard API for XQuery, so the only way of setting Configuration information is to use the methods on this class directly.

As well as holding configuration settings, this class acts as a factory for classes providing service in particular areas: error handling, URI resolution, and the like. Some of these services are chosen on the basis of the current platform (Java or .NET), some vary depending whether the environment is schema-aware or not.

The Configuration provides access to a {@link NamePool} which is used to manageall the names used in stylesheets, queries, schemas, and source and documents: the NamePool allocates integer codes to these names allowing efficient storage and comparison. Normally there will be a one-to-one relationship between a NamePool and a Configuration. It is possible, however, for several Configuration objects to share the same NamePool. Until Saxon 8.9, by default all Configuration objects shared a single NamePool unless configured otherwise; this changed in 8.9 so that the default is to allocate a new NamePool for each Configuration.

The Configuration establishes the scope within which node identity is managed. Every document belongs to a Configuration, and every node has a distinct identity within that Configuration. In consequence, it is not possible for any query or transformation to manipulate multiple documents unless they all belong to the same Configuration.

Saxon-SA has a subclass of the Configuration class which provides the additional services needed for schema-aware processing. The {@link com.saxonica.validate.SchemaAwareConfiguration}also holds a cache of loaded schema components used for compiling schema-aware transformations and queries, and for validating instance documents.

Since Saxon 8.4, the JavaDoc documentation for Saxon attempts to identify interfaces that are considered stable, and will only be changed in a backwards-incompatible way if there is an overriding reason to do so. These interfaces and methods are labelled with the JavaDoc "since" tag. The value 8.n indicates a method in this category that was introduced in Saxon version 8.n: or in the case of 8.4, that was present in Saxon 8.4 and possibly in earlier releases. (In some cases, these methods have been unchanged for a long time.) Methods without a "since" tag, although public, are provided for internal use or for use by advanced users, and are subject to change from one release to the next. The presence of a "since" tag on a class or interface indicates that there are one or more methods in the class that are considered stable; it does not mean that all methods are stable. @since 8.4

    public XQItemType createAttributeType(QName nodename, int basetype, QName typename, URI schemaURI) throws XQException {
        checkNotClosed();
        if (typename == null) {
            return createAttributeType(nodename, basetype);
        }
        Configuration config = getConfiguration();


        SchemaType st = BuiltInType.getSchemaType(getFingerprint(typename));
        if (st == null) {
            loadSchema(schemaURI);
            st = getConfiguration().getSchemaType(getFingerprint(typename));
        }
        if (st == null) {
            throw new XQException("Type " + typename + " not found in schema");
        } else if (!(st.isSimpleType())) {
            throw new XQException("Type " + typename + " is not a simple type");
        }
        ContentTypeTest contentTest = new ContentTypeTest(Type.ATTRIBUTE, st, config);
        if (nodename == null) {
            return new SaxonXQItemType(contentTest, config);
        } else {
            NameTest nameTest = new NameTest(
                Type.ATTRIBUTE, nodename.getNamespaceURI(), nodename.getLocalPart(), config.getNamePool());
            CombinedNodeTest combined = new CombinedNodeTest(nameTest, Token.INTERSECT, contentTest);
            return new SaxonXQItemType(combined, config);
        }
    }

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        return new SaxonXQItemType(NodeKindTest.DOCUMENT, getConfiguration());
    }


    public XQItemType createElementType(QName nodename, int basetype) throws XQException {
        checkNotClosed();
        Configuration config = getConfiguration();


        if (basetype == XQItemType.XQBASETYPE_ANYTYPE) {
            if (nodename == null) {
                return new SaxonXQItemType(NodeKindTest.ELEMENT, config);
            } else {
                return new SaxonXQItemType(
                        new NameTest(Type.ELEMENT, getFingerprint(nodename), config.getNamePool()),
                        config);
            }
        }


        int saxonType = XQJtoSaxonTypeTranslation.get(basetype);
        if (saxonType == XQJtoSaxonTypeTranslation.getDefaultValue()) {
            throw new XQException("Unknown base type " + basetype);
        }
        SchemaType st = BuiltInType.getSchemaType(saxonType);
        ContentTypeTest contentTest = new ContentTypeTest(Type.ELEMENT, st, config);
        if (nodename == null) {
            return new SaxonXQItemType(contentTest, config);
        } else {
            NameTest nameTest = new NameTest(
                Type.ELEMENT, nodename.getNamespaceURI(), nodename.getLocalPart(), config.getNamePool());
            CombinedNodeTest combined = new CombinedNodeTest(nameTest, Token.INTERSECT, contentTest);
            return new SaxonXQItemType(combined, config);
        }


    }

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    throws XQException {
        checkNotClosed();
        if (typename == null) {
            return createElementType(nodename, basetype);
        }
        Configuration config = getConfiguration();


        SchemaType st = BuiltInType.getSchemaType(getFingerprint(typename));
        if (st == null) {
            loadSchema(schemaURI);
            st = getConfiguration().getSchemaType(getFingerprint(typename));
        }
        if (st == null) {
            throw new XQException("Type " + typename + " not found in schema");
        }


        ContentTypeTest contentTest = new ContentTypeTest(Type.ELEMENT, st, config);
        contentTest.setNillable(allowNill);
        if (nodename == null) {
            return new SaxonXQItemType(contentTest, config);
        } else {
            NameTest nameTest = new NameTest(
                Type.ELEMENT, nodename.getNamespaceURI(), nodename.getLocalPart(), config.getNamePool());
            CombinedNodeTest combined = new CombinedNodeTest(nameTest, Token.INTERSECT, contentTest);
            return new SaxonXQItemType(combined, config);
        }
    }

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        }
    }


    public XQItemType createSchemaAttributeType(QName nodename, int basetype, URI schemaURI) throws XQException {
        checkNotClosed();
        Configuration config = getConfiguration();
        int fp = getFingerprint(nodename);
        SchemaDeclaration attributeDecl = config.getAttributeDeclaration(fp);
        if (attributeDecl == null && schemaURI != null) {
            loadSchema(schemaURI);
            attributeDecl = config.getAttributeDeclaration(fp);
        }
        if (attributeDecl == null) {
            throw new XQException("Attribute declaration " + nodename + " not found in schema");
        }
        NameTest nameTest = new NameTest(Type.ATTRIBUTE, fp, config.getNamePool());
        ContentTypeTest typeTest = new ContentTypeTest(Type.ATTRIBUTE, attributeDecl.getType(), config);
        CombinedNodeTest combo = new CombinedNodeTest(nameTest, Token.INTERSECT, typeTest);
        return new SaxonXQItemType(combo, config);
    }

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        return new SaxonXQItemType(combo, config);
    }


    public XQItemType createSchemaElementType(QName nodename, int basetype, URI schemaURI) throws XQException {
        checkNotClosed();
        Configuration config = getConfiguration();
        int fp = getFingerprint(nodename);
        SchemaDeclaration elementDecl = config.getElementDeclaration(fp);
        if (elementDecl == null && schemaURI != null) {
            loadSchema(schemaURI);
            elementDecl = config.getElementDeclaration(fp);
        }
        if (elementDecl == null) {
            throw new XQException("Element declaration " + nodename + " not found in schema");
        }
        NodeTest nameTest = elementDecl.makeSchemaNodeTest();

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    public XMLStreamReader getSequenceAsStream() throws XQException {
        checkNotClosed();
        EventIterator ei = new EventIteratorOverSequence(iterateRemainder());
        ei = new BracketedDocumentIterator(ei);
        Configuration config = getConfiguration();
        PipelineConfiguration pipe = config.makePipelineConfiguration();
        pipe.setHostLanguage(Configuration.XQUERY);
        ei = new Decomposer(ei, pipe);
        return new EventToStaxBridge(ei, config.getNamePool());
    }

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    /**
     * Test program to output the sequence of collation element iterators for a given input string
     * @param args command line arguments (collationURI, test-string)
     */
    public static void main(String[] args) {
        Configuration config = new Configuration();
        StringCollator collator = StandardCollationURIResolver.getInstance().resolve(args[0], args[0], config);
        FastStringBuffer sb = new FastStringBuffer(100);
        if (collator instanceof RuleBasedCollator) {
            CollationElementIterator iter = ((RuleBasedCollator)collator).getCollationElementIterator(args[1]);
            while (true) {

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    public AtomicComparer makeComparator(XPathContext context) throws XPathException {


        String orderX = order.evaluateAsString(context).toString();


        final Configuration config = context.getConfiguration();
        final TypeHierarchy th = config.getTypeHierarchy();


        AtomicComparer atomicComparer;
        StringCollator stringCollator;
        if (collation != null) {
            stringCollator = collation;

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    public static XPathException testConformance(
            ValueRepresentation val, SequenceType requiredType, XPathContext context)
    throws XPathException {
        ItemType reqItemType = requiredType.getPrimaryType();
        final Configuration config = context.getConfiguration();
        final TypeHierarchy th = config.getTypeHierarchy();
        SequenceIterator iter = Value.asIterator(val);
        int count = 0;
        while (true) {
            Item item = iter.next();
            if (item == null) {

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        StringCollator collation = null;
        if (controller != null) {
            collation = controller.getExecutable().getNamedCollation(name);


            if (collation == null) {
                Configuration config = controller.getConfiguration();
                collation = config.getCollationURIResolver().resolve(name, null, config);
                //collation = CollationFactory.makeCollationFromURI(name, getController().getConfiguration());
            }
        }
        if (collation==null) {
            XPathException e = new XPathException("Unknown collation " + name);

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