Example usage for javax.swing.text ElementIterator ElementIterator

Introduction

In this page you can find the example usage for javax.swing.text ElementIterator ElementIterator.

Prototype

public ElementIterator(Element root)

Source Link

Document

Creates a new ElementIterator .

Usage

From source file:EditorPaneExample16.java

public TreeNode buildHeadingTree(Document doc) {
    String title = (String) doc.getProperty(Document.TitleProperty);
    if (title == null) {
        title = "[No title]";
    }/*from   w ww  .j a  v a 2 s  .  c  o  m*/
    Heading rootHeading = new Heading(title, 0, 0);
    DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode(rootHeading);

    DefaultMutableTreeNode lastNode[] = new DefaultMutableTreeNode[7];
    int lastLevel = 0;
    lastNode[lastLevel] = rootNode;

    if (doc instanceof HTMLDocument) {
        Element elem = doc.getDefaultRootElement();
        ElementIterator iterator = new ElementIterator(elem);
        Heading heading;

        while ((heading = getNextHeading(doc, iterator)) != null) {
            // Add the node to the tree
            DefaultMutableTreeNode hNode = new DefaultMutableTreeNode(heading);
            int level = heading.getLevel();

            if (level > lastLevel) {
                for (int i = lastLevel + 1; i < level; i++) {
                    lastNode[i] = null;
                }
                lastNode[lastLevel].add(hNode);
            } else {
                int prevLevel = level - 1;
                while (prevLevel >= 0) {
                    if (lastNode[prevLevel] != null) {
                        break;
                    }
                    lastNode[prevLevel] = null;
                    prevLevel--;
                }
                lastNode[prevLevel].add(hNode);
            }
            lastNode[level] = hNode;
            lastLevel = level;
        }
    }
    return rootNode;
}

From source file:org.deegree.tools.metadata.InspireValidator.java

/**
 * parse INSPIRE metadata validator response and print out result onto the console
 * //from  w  w w. j  a  va2s  .c o  m
 * @param response
 * @throws IOException
 * @throws IllegalStateException
 */
private void parseServiceResponse(HttpResponse response) throws Exception {
    String s = FileUtils.readTextFile(((BasicHttpResponse) response).getEntity().getContent()).toString();
    if (response.getStatusLine().getStatusCode() != 200) {
        outputWriter.println(s);
        outputWriter.println();
        return;
    }
    s = "<html><head></head><body>" + s + "</body></html>";
    BufferedReader br = new BufferedReader(new StringReader(s));

    HTMLEditorKit htmlKit = new HTMLEditorKit();
    HTMLDocument htmlDoc = (HTMLDocument) htmlKit.createDefaultDocument();
    HTMLEditorKit.Parser parser = new ParserDelegator();
    HTMLEditorKit.ParserCallback callback = htmlDoc.getReader(0);
    parser.parse(br, callback, true);

    // Parse
    ElementIterator iterator = new ElementIterator(htmlDoc);
    Element element;
    while ((element = iterator.next()) != null) {
        AttributeSet attributes = element.getAttributes();
        Object name = attributes.getAttribute(StyleConstants.NameAttribute);
        if ((name instanceof HTML.Tag) && ((name == HTML.Tag.IMPLIED))) {
            // Build up content text as it may be within multiple elements
            StringBuffer text = new StringBuffer();
            int count = element.getElementCount();
            for (int i = 0; i < count; i++) {
                Element child = element.getElement(i);
                AttributeSet childAttributes = child.getAttributes();
                if (childAttributes.getAttribute(StyleConstants.NameAttribute) == HTML.Tag.CONTENT) {
                    int startOffset = child.getStartOffset();
                    int endOffset = child.getEndOffset();
                    int length = endOffset - startOffset;
                    text.append(htmlDoc.getText(startOffset, length));
                }
            }
            outputWriter.println(text.toString());
        }
    }
    outputWriter.println("---------------------------------------------------------------------");
    outputWriter.println();
}