Example usage for org.jdom2.output.support Walker isCDATA

Introduction

In this page you can find the example usage for org.jdom2.output.support Walker isCDATA.

Prototype

public abstract boolean isCDATA();

Source Link

Document

If the previous next() method returned null, then this will indicate whether the current text() value is CDATA or regular Text.

Usage

From source file:org.apache.maven.io.util.AbstractJDOMWriter.java

License:Apache License

public final void write(final T source, final Document document, final Writer writer, final Format jdomFormat,
        final DocumentModifier modifier) throws java.io.IOException {
    if (modifier != null) {
        modifier.preProcess(document);/*w ww . ja v a2 s. c  o m*/
    }
    update(source, new IndentationCounter(0), document.getRootElement());
    if (modifier != null) {
        modifier.postProcess(document);
    }
    // Override XMLOutputter to correct initial comment trailing newlines.
    final XMLOutputter outputter = new XMLOutputter(new AbstractXMLOutputProcessor() {
        /**
         * This will handle printing of a {@link Document}.
         *
         * @param out    <code>Writer</code> to use.
         * @param fstack the FormatStack
         * @param nstack the NamespaceStack
         * @param doc    <code>Document</code> to write.
         * @throws IOException if the destination Writer fails
         */
        @Override
        protected void printDocument(Writer out, FormatStack fstack, NamespaceStack nstack, Document doc)
                throws IOException {

            // If there is no root element then we cannot use the normal ways to
            // access the ContentList because Document throws an exception.
            // so we hack it and just access it by index.
            List<Content> list = doc.hasRootElement() ? doc.getContent()
                    : new ArrayList<Content>(doc.getContentSize());
            if (list.isEmpty()) {
                final int sz = doc.getContentSize();
                for (int i = 0; i < sz; i++) {
                    list.add(doc.getContent(i));
                }
            }

            printDeclaration(out, fstack);

            Walker walker = buildWalker(fstack, list, true);
            if (walker.hasNext()) {
                while (walker.hasNext()) {

                    final Content c = walker.next();
                    // we do not ignore Text-like things in the Document.
                    // the walker creates the indenting for us.
                    if (c == null) {
                        // but, what we do is ensure it is all whitespace, and not CDATA
                        final String padding = walker.text();
                        if (padding != null && Verifier.isAllXMLWhitespace(padding) && !walker.isCDATA()) {
                            // we do not use the escaping or text* method because this
                            // content is outside of the root element, and thus is not
                            // strict text.
                            write(out, padding);
                        }
                    } else {
                        switch (c.getCType()) {
                        case Comment:
                            printComment(out, fstack, (Comment) c);
                            // This modification we have made to the overridden method in order
                            // to correct newline declarations.
                            write(out, fstack.getLineSeparator());
                            break;
                        case DocType:
                            printDocType(out, fstack, (DocType) c);
                            break;
                        case Element:
                            printElement(out, fstack, nstack, (Element) c);
                            if (walker.hasNext()) {
                                // This modification we have made to the overridden method in order
                                // to correct newline declarations.
                                write(out, fstack.getLineSeparator());
                            }
                            break;
                        case ProcessingInstruction:
                            printProcessingInstruction(out, fstack, (ProcessingInstruction) c);
                            break;
                        case Text:
                            final String padding = ((Text) c).getText();
                            if (padding != null && Verifier.isAllXMLWhitespace(padding)) {
                                // we do not use the escaping or text* method because this
                                // content is outside of the root element, and thus is not
                                // strict text.
                                write(out, padding);
                            }
                        default:
                            // do nothing.
                        }
                    }

                }

                if (fstack.getLineSeparator() != null) {
                    write(out, fstack.getLineSeparator());
                }
            }
        }
    });

    outputter.setFormat(jdomFormat);
    outputter.output(document, writer);
}

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