Examples of net.sf.saxon.om.SequenceIterator.current()

net.sf.saxon.om.SequenceIterator.current()
Get the current value in the sequence (the one returned by the most recent call on next()). This will be null before the first call of next(). This method does not change the state of the iterator. @return the current item, the one most recently returned by a call onnext(). Returns null if next() has not been called, or if the end of the sequence has been reached. @since 8.4

        checkNotClosed();
        checkOnlyReadOnce();
        SequenceIterator iter = iterator;
        if (isOnItem()) {
            iter = new Insert.InsertIterator(
                    SingletonIterator.makeIterator(iter.current()),
                    iter, 0);
        }
        try {
            QueryResult.serializeSequence(iter, getConfiguration(), os, props);
        } catch (XPathException e) {

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            pw = new PrintWriter(ow);
        }
        SequenceIterator iter = iterator;
        if (isOnItem()) {
            iter = new Insert.InsertIterator(
                    SingletonIterator.makeIterator(iter.current()),
                    iter, 0);
        }
        try {
            QueryResult.serializeSequence(iter, getConfiguration(), pw, props);
        } catch (XPathException e) {

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        }


        // Make a copy of the context item
        SequenceIterator currentIterator = context.getCurrentIterator();
        if (currentIterator != null) {
            Item contextItem = currentIterator.current();
            c.savedXPathContext.setCurrentIterator(SingletonIterator.makeIterator(contextItem));
            // we don't save position() and last() because we have no way
            // of restoring them. So the caller must ensure that a Closure is not
            // created if the expression depends on position() or last()
        }

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    public void writeSequence(OutputStream os, Properties props) throws XQException {
        checkNotClosed();
        SequenceIterator iter = iterator;
        if (isOnItem()) {
            iter = new Insert.InsertIterator(
                    SingletonIterator.makeIterator(iter.current()),
                    iter, 0);
        }
        try {
            QueryResult.serializeSequence(iter, connection.getConfiguration(), os, props);
        } catch (XPathException e) {

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            pw = new PrintWriter(ow);
        }
        SequenceIterator iter = iterator;
        if (isOnItem()) {
            iter = new Insert.InsertIterator(
                    SingletonIterator.makeIterator(iter.current()),
                    iter, 0);
        }
        try {
            QueryResult.serializeSequence(iter, connection.getConfiguration(), pw, props);
        } catch (XPathException e) {

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    {
        try
        {
            SequenceIterator iterator = evaluate(contextNode, str, resolver);
            ArrayList nodes = new ArrayList();
            for (Node node = (Node)iterator.current(); node != null; node = (Node)iterator.next())
            {
                nodes.add(node);
            }


            return new NodeListImpl((Node[])nodes.toArray());

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            if (iterator == null)
            {
                return null;
            }


            return iterator.current();
        }
        catch (final Exception e)
        {
            if (getLogger().isDebugEnabled()) {
                getLogger().debug("Failed to evaluate '" + str + "'", e);

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    {
        try
        {
            SequenceIterator iterator = evaluate(contextNode, str, resolver);
            ArrayList nodes = new ArrayList();
            for (Node node = (Node)iterator.current(); node != null; node = (Node)iterator.next())
            {
                nodes.add(node);
            }


            return new NodeListImpl((Node[])nodes.toArray());

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            if (iterator == null)
            {
                return null;
            }


            return iterator.current();
        }
        catch (final Exception e)
        {
            if (getLogger().isDebugEnabled()) {
                getLogger().debug("Failed to evaluate '" + str + "'", e);

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        {
            SequenceIterator iterator = evaluate(contextNode, str, resolver);
            ArrayList nodes = new ArrayList();
            while (iterator.hasNext())
            {
                Node node = (Node)iterator.current();
                nodes.add(node);
            }


            return new NodeListImpl((Node[])nodes.toArray());
        } catch (final Exception e) {

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