Example usage for com.lowagie.text.html.simpleparser ImageProvider getImage

List of usage examples for com.lowagie.text.html.simpleparser ImageProvider getImage

Introduction

In this page you can find the example usage for com.lowagie.text.html.simpleparser ImageProvider getImage.

Prototype

Image getImage(String src, HashMap h, ChainedProperties cprops, DocListener doc);

Source Link

Usage

From source file:nl.knaw.dans.common.lang.pdf.ExtendedHtmlWorker.java

License:Apache License

public void startElement(String tag, HashMap h) {
    if (!tagsSupported.containsKey(tag))
        return;/*from   w  w  w. ja  v  a2s. co  m*/
    try {
        style.applyStyle(tag, h);
        String follow = (String) FactoryProperties.followTags.get(tag);
        if (follow != null) {
            HashMap prop = new HashMap();
            prop.put(follow, null);
            cprops.addToChain(follow, prop);
            return;
        }
        FactoryProperties.insertStyle(h);
        if (tag.equals("a")) {
            cprops.addToChain(tag, h);
            if (currentParagraph == null)
                currentParagraph = new Paragraph();
            stack.push(currentParagraph);
            currentParagraph = new Paragraph();
            return;
        }
        if (tag.equals("br")) {
            if (currentParagraph == null)
                currentParagraph = new Paragraph();
            currentParagraph.add(factoryProperties.createChunk("\n", cprops));
            return;
        }
        if (tag.equals("font") || tag.equals("span")) {
            cprops.addToChain(tag, h);
            return;
        }
        if (tag.equals("img")) {
            String src = (String) h.get("src");
            if (src == null)
                return;
            cprops.addToChain(tag, h);
            Image img = null;
            if (interfaceProps != null) {
                ImageProvider ip = (ImageProvider) interfaceProps.get("img_provider");
                if (ip != null)
                    img = ip.getImage(src, h, cprops, document);
                if (img == null) {
                    HashMap images = (HashMap) interfaceProps.get("img_static");
                    if (images != null) {
                        Image tim = (Image) images.get(src);
                        if (tim != null)
                            img = Image.getInstance(tim);
                    } else {
                        if (!src.startsWith("http")) { // relative src references only
                            String baseurl = (String) interfaceProps.get("img_baseurl");
                            if (baseurl != null) {
                                src = baseurl + src;
                                img = Image.getInstance(src);
                            }
                        }
                    }
                }
            }
            if (img == null) {
                if (!src.startsWith("http")) {
                    String path = cprops.getProperty("image_path");
                    if (path == null)
                        path = "";
                    src = new File(path, src).getPath();
                }
                img = Image.getInstance(src);
            }
            String align = (String) h.get("align");
            String width = (String) h.get("width");
            String height = (String) h.get("height");
            String before = cprops.getProperty("before");
            String after = cprops.getProperty("after");
            if (before != null)
                img.setSpacingBefore(Float.parseFloat(before));
            if (after != null)
                img.setSpacingAfter(Float.parseFloat(after));
            float wp = lengthParse(width, (int) img.getWidth());
            float lp = lengthParse(height, (int) img.getHeight());
            if (wp > 0 && lp > 0)
                img.scalePercent(wp > lp ? lp : wp);
            else if (wp > 0)
                img.scalePercent(wp);
            else if (lp > 0)
                img.scalePercent(lp);
            img.setWidthPercentage(0);
            if (align != null) {
                endElement("p");
                int ralign = Image.MIDDLE;
                if (align.equalsIgnoreCase("left"))
                    ralign = Image.LEFT;
                else if (align.equalsIgnoreCase("right"))
                    ralign = Image.RIGHT;
                img.setAlignment(ralign);
                Img i = null;
                boolean skip = false;
                if (interfaceProps != null) {
                    i = (Img) interfaceProps.get("img_interface");
                    if (i != null)
                        skip = i.process(img, h, cprops, document);
                }
                if (!skip)
                    document.add(img);
                cprops.removeChain(tag);
            } else {
                cprops.removeChain(tag);
                if (currentParagraph == null)
                    currentParagraph = FactoryProperties.createParagraph(cprops);
                currentParagraph.add(new Chunk(img, 0, 0));
            }
            return;
        }
        endElement("p");
        if (tag.equals("h1") || tag.equals("h2") || tag.equals("h3") || tag.equals("h4") || tag.equals("h5")
                || tag.equals("h6")) {
            if (!h.containsKey("size")) {
                int v = 7 - Integer.parseInt(tag.substring(1));
                h.put("size", Integer.toString(v));
            }
            cprops.addToChain(tag, h);
            return;
        }
        if (tag.equals("ul")) {
            if (pendingLI)
                endElement("li");
            skipText = true;
            cprops.addToChain(tag, h);
            com.lowagie.text.List list = new com.lowagie.text.List(false, 10);
            list.setListSymbol("\u2022");
            String indent = ((String) h.get("indent"));
            if (indent != null && indent.matches("[0-9]+")) {
                list.setSymbolIndent(Integer.valueOf(indent));
            }
            stack.push(list);
            return;
        }
        if (tag.equals("ol")) {
            if (pendingLI)
                endElement("li");
            skipText = true;
            cprops.addToChain(tag, h);
            com.lowagie.text.List list = new com.lowagie.text.List(true, 10);
            String type = ((String) h.get("type"));
            if (type != null && type.toLowerCase().equals("a")) {
                list.setLettered(true);
                list.setNumbered(false);
                list.setLowercase(type.equals("a"));
            }
            String indent = ((String) h.get("indent"));
            if (indent != null && indent.matches("[0-9]+")) {
                list.setSymbolIndent(Integer.valueOf(indent));
            }
            stack.push(list);
            return;
        }
        if (tag.equals("li")) {
            if (pendingLI)
                endElement("li");
            skipText = false;
            pendingLI = true;
            cprops.addToChain(tag, h);
            stack.push(FactoryProperties.createListItem(cprops));
            return;
        }
        if (tag.equals("div") || tag.equals("body")) {
            cprops.addToChain(tag, h);
            return;
        }
        if (tag.equals("pre")) {
            if (!h.containsKey("face")) {
                h.put("face", "Courier");
            }
            cprops.addToChain(tag, h);
            isPRE = true;
            return;
        }
        if (tag.equals("p")) {
            cprops.addToChain(tag, h);
            currentParagraph = FactoryProperties.createParagraph(h);
            return;
        }
        if (tag.equals("tr")) {
            if (pendingTR)
                endElement("tr");
            skipText = true;
            pendingTR = true;
            cprops.addToChain("tr", h);
            return;
        }
        if (tag.equals("td") || tag.equals("th")) {
            if (pendingTD)
                endElement(tag);
            skipText = false;
            pendingTD = true;
            cprops.addToChain("td", h);
            stack.push(new IncCell(tag, cprops));
            return;
        }
        if (tag.equals("table")) {
            cprops.addToChain("table", h);
            IncTable table = new IncTable(h);
            stack.push(table);
            tableState.push(new boolean[] { pendingTR, pendingTD });
            pendingTR = pendingTD = false;
            skipText = true;
            return;
        }
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}