| Method from com.lowagie.text.pdf.SimpleBookmark Detail: |
|---|
 static void createOutlineAction(PdfDictionary outline,
HashMap map,
PdfWriter writer,
boolean namedAsNames) {
try {
String action = (String)map.get("Action");
if ("GoTo".equals(action)) {
String p;
if ((p = (String)map.get("Named")) != null) {
if (namedAsNames)
outline.put(PdfName.DEST, new PdfName(p));
else
outline.put(PdfName.DEST, new PdfString(p, null));
}
else if ((p = (String)map.get("Page")) != null) {
PdfArray ar = new PdfArray();
StringTokenizer tk = new StringTokenizer(p);
int n = Integer.parseInt(tk.nextToken());
ar.add(writer.getPageReference(n));
if (!tk.hasMoreTokens()) {
ar.add(PdfName.XYZ);
ar.add(new float[]{0, 10000, 0});
}
else {
String fn = tk.nextToken();
if (fn.startsWith("/"))
fn = fn.substring(1);
ar.add(new PdfName(fn));
for (int k = 0; k < 4 && tk.hasMoreTokens(); ++k) {
fn = tk.nextToken();
if (fn.equals("null"))
ar.add(PdfNull.PDFNULL);
else
ar.add(new PdfNumber(fn));
}
}
outline.put(PdfName.DEST, ar);
}
}
else if ("GoToR".equals(action)) {
String p;
PdfDictionary dic = new PdfDictionary();
if ((p = (String)map.get("Named")) != null)
dic.put(PdfName.D, new PdfString(p, null));
else if ((p = (String)map.get("NamedN")) != null)
dic.put(PdfName.D, new PdfName(p));
else if ((p = (String)map.get("Page")) != null){
PdfArray ar = new PdfArray();
StringTokenizer tk = new StringTokenizer(p);
ar.add(new PdfNumber(tk.nextToken()));
if (!tk.hasMoreTokens()) {
ar.add(PdfName.XYZ);
ar.add(new float[]{0, 10000, 0});
}
else {
String fn = tk.nextToken();
if (fn.startsWith("/"))
fn = fn.substring(1);
ar.add(new PdfName(fn));
for (int k = 0; k < 4 && tk.hasMoreTokens(); ++k) {
fn = tk.nextToken();
if (fn.equals("null"))
ar.add(PdfNull.PDFNULL);
else
ar.add(new PdfNumber(fn));
}
}
dic.put(PdfName.D, ar);
}
String file = (String)map.get("File");
if (dic.size() > 0 && file != null) {
dic.put(PdfName.S, PdfName.GOTOR);
dic.put(PdfName.F, new PdfString(file));
String nw = (String)map.get("NewWindow");
if (nw != null) {
if (nw.equals("true"))
dic.put(PdfName.NEWWINDOW, PdfBoolean.PDFTRUE);
else if (nw.equals("false"))
dic.put(PdfName.NEWWINDOW, PdfBoolean.PDFFALSE);
}
outline.put(PdfName.A, dic);
}
}
else if ("URI".equals(action)) {
String uri = (String)map.get("URI");
if (uri != null) {
PdfDictionary dic = new PdfDictionary();
dic.put(PdfName.S, PdfName.URI);
dic.put(PdfName.URI, new PdfString(uri));
outline.put(PdfName.A, dic);
}
}
else if ("Launch".equals(action)) {
String file = (String)map.get("File");
if (file != null) {
PdfDictionary dic = new PdfDictionary();
dic.put(PdfName.S, PdfName.LAUNCH);
dic.put(PdfName.F, new PdfString(file));
outline.put(PdfName.A, dic);
}
}
}
catch (Exception e) {
// empty on purpose
}
}
|
public static void eliminatePages(List list,
int[] pageRange) {
if (list == null)
return;
for (Iterator it = list.listIterator(); it.hasNext();) {
HashMap map = (HashMap)it.next();
boolean hit = false;
if ("GoTo".equals(map.get("Action"))) {
String page = (String)map.get("Page");
if (page != null) {
page = page.trim();
int idx = page.indexOf(' ");
int pageNum;
if (idx < 0)
pageNum = Integer.parseInt(page);
else
pageNum = Integer.parseInt(page.substring(0, idx));
int len = pageRange.length & 0xfffffffe;
for (int k = 0; k < len; k += 2) {
if (pageNum >= pageRange[k] && pageNum < = pageRange[k + 1]) {
hit = true;
break;
}
}
}
}
List kids = (List)map.get("Kids");
if (kids != null) {
eliminatePages(kids, pageRange);
if (kids.isEmpty()) {
map.remove("Kids");
kids = null;
}
}
if (hit) {
if (kids == null)
it.remove();
else {
map.remove("Action");
map.remove("Page");
map.remove("Named");
}
}
}
} Removes the bookmark entries for a number of page ranges. The page ranges
consists of a number of pairs with the start/end page range. The page numbers
are inclusive. |
public void endDocument() {
} |
public void endElement(String tag) {
if (tag.equals("Bookmark")) {
if (attr.isEmpty())
return;
else
throw new RuntimeException("Bookmark end tag out of place.");
}
if (!tag.equals("Title"))
throw new RuntimeException("Invalid end tag - " + tag);
HashMap attributes = (HashMap)attr.pop();
String title = (String)attributes.get("Title");
attributes.put("Title", title.trim());
String named = (String)attributes.get("Named");
if (named != null)
attributes.put("Named", SimpleNamedDestination.unEscapeBinaryString(named));
named = (String)attributes.get("NamedN");
if (named != null)
attributes.put("NamedN", SimpleNamedDestination.unEscapeBinaryString(named));
if (attr.isEmpty())
topList.add(attributes);
else {
HashMap parent = (HashMap)attr.peek();
List kids = (List)parent.get("Kids");
if (kids == null) {
kids = new ArrayList();
parent.put("Kids", kids);
}
kids.add(attributes);
}
} |
public static void exportToXML(List list,
OutputStream out,
String encoding,
boolean onlyASCII) throws IOException {
String jenc = IanaEncodings.getJavaEncoding(encoding);
Writer wrt = new BufferedWriter(new OutputStreamWriter(out, jenc));
exportToXML(list, wrt, encoding, onlyASCII);
} Exports the bookmarks to XML. The DTD for this XML is:
<?xml version='1.0' encoding='UTF-8'?>
<!ELEMENT Title (#PCDATA|Title)*>
<!ATTLIST Title
Action CDATA #IMPLIED
Open CDATA #IMPLIED
Page CDATA #IMPLIED
URI CDATA #IMPLIED
File CDATA #IMPLIED
Named CDATA #IMPLIED
NamedN CDATA #IMPLIED
NewWindow CDATA #IMPLIED
Style CDATA #IMPLIED
Color CDATA #IMPLIED
>
<!ELEMENT Bookmark (Title)*>
|
public static void exportToXML(List list,
Writer wrt,
String encoding,
boolean onlyASCII) throws IOException {
wrt.write("< ?xml version=\"1.0\" encoding=\"");
wrt.write(SimpleXMLParser.escapeXML(encoding, onlyASCII));
wrt.write("\"? >\n< Bookmark >\n");
exportToXMLNode(list, wrt, 1, onlyASCII);
wrt.write("< /Bookmark >\n");
wrt.flush();
} Exports the bookmarks to XML. |
public static void exportToXMLNode(List list,
Writer out,
int indent,
boolean onlyASCII) throws IOException {
String dep = "";
for (int k = 0; k < indent; ++k)
dep += " ";
for (Iterator it = list.iterator(); it.hasNext();) {
HashMap map = (HashMap)it.next();
String title = null;
out.write(dep);
out.write("< Title ");
List kids = null;
for (Iterator e = map.entrySet().iterator(); e.hasNext();) {
Map.Entry entry = (Map.Entry) e.next();
String key = (String) entry.getKey();
if (key.equals("Title")) {
title = (String) entry.getValue();
continue;
}
else if (key.equals("Kids")) {
kids = (List) entry.getValue();
continue;
}
else {
out.write(key);
out.write("=\"");
String value = (String) entry.getValue();
if (key.equals("Named") || key.equals("NamedN"))
value = SimpleNamedDestination.escapeBinaryString(value);
out.write(SimpleXMLParser.escapeXML(value, onlyASCII));
out.write("\" ");
}
}
out.write(" >");
if (title == null)
title = "";
out.write(SimpleXMLParser.escapeXML(title, onlyASCII));
if (kids != null) {
out.write("\n");
exportToXMLNode(kids, out, indent + 1, onlyASCII);
out.write(dep);
}
out.write("< /Title >\n");
}
} Exports the bookmarks to XML. Only of use if the generation is to be include in
some other XML document. |
public static List getBookmark(PdfReader reader) {
PdfDictionary catalog = reader.getCatalog();
PdfObject obj = PdfReader.getPdfObjectRelease(catalog.get(PdfName.OUTLINES));
if (obj == null || !obj.isDictionary())
return null;
PdfDictionary outlines = (PdfDictionary)obj;
IntHashtable pages = new IntHashtable();
int numPages = reader.getNumberOfPages();
for (int k = 1; k < = numPages; ++k) {
pages.put(reader.getPageOrigRef(k).getNumber(), k);
reader.releasePage(k);
}
return bookmarkDepth(reader, (PdfDictionary)PdfReader.getPdfObjectRelease(outlines.get(PdfName.FIRST)), pages);
} Gets a List with the bookmarks. It returns null if
the document doesn't have any bookmarks. |
public static List importFromXML(InputStream in) throws IOException {
SimpleBookmark book = new SimpleBookmark();
SimpleXMLParser.parse(book, in);
return book.topList;
} Import the bookmarks from XML. |
public static List importFromXML(Reader in) throws IOException {
SimpleBookmark book = new SimpleBookmark();
SimpleXMLParser.parse(book, in);
return book.topList;
} Import the bookmarks from XML. |
public static Object[] iterateOutlines(PdfWriter writer,
PdfIndirectReference parent,
List kids,
boolean namedAsNames) throws IOException {
PdfIndirectReference refs[] = new PdfIndirectReference[kids.size()];
for (int k = 0; k < refs.length; ++k)
refs[k] = writer.getPdfIndirectReference();
int ptr = 0;
int count = 0;
for (Iterator it = kids.listIterator(); it.hasNext(); ++ptr) {
HashMap map = (HashMap)it.next();
Object lower[] = null;
List subKid = (List)map.get("Kids");
if (subKid != null && !subKid.isEmpty())
lower = iterateOutlines(writer, refs[ptr], subKid, namedAsNames);
PdfDictionary outline = new PdfDictionary();
++count;
if (lower != null) {
outline.put(PdfName.FIRST, (PdfIndirectReference)lower[0]);
outline.put(PdfName.LAST, (PdfIndirectReference)lower[1]);
int n = ((Integer)lower[2]).intValue();
if ("false".equals(map.get("Open"))) {
outline.put(PdfName.COUNT, new PdfNumber(-n));
}
else {
outline.put(PdfName.COUNT, new PdfNumber(n));
count += n;
}
}
outline.put(PdfName.PARENT, parent);
if (ptr > 0)
outline.put(PdfName.PREV, refs[ptr - 1]);
if (ptr < refs.length - 1)
outline.put(PdfName.NEXT, refs[ptr + 1]);
outline.put(PdfName.TITLE, new PdfString((String)map.get("Title"), PdfObject.TEXT_UNICODE));
String color = (String)map.get("Color");
if (color != null) {
try {
PdfArray arr = new PdfArray();
StringTokenizer tk = new StringTokenizer(color);
for (int k = 0; k < 3; ++k) {
float f = Float.parseFloat(tk.nextToken());
if (f < 0) f = 0;
if (f > 1) f = 1;
arr.add(new PdfNumber(f));
}
outline.put(PdfName.C, arr);
} catch(Exception e){} //in case it's malformed
}
String style = (String)map.get("Style");
if (style != null) {
style = style.toLowerCase();
int bits = 0;
if (style.indexOf("italic") >= 0)
bits |= 1;
if (style.indexOf("bold") >= 0)
bits |= 2;
if (bits != 0)
outline.put(PdfName.F, new PdfNumber(bits));
}
createOutlineAction(outline, map, writer, namedAsNames);
writer.addToBody(outline, refs[ptr]);
}
return new Object[]{refs[0], refs[refs.length - 1], new Integer(count)};
} |
public static void shiftPageNumbers(List list,
int pageShift,
int[] pageRange) {
if (list == null)
return;
for (Iterator it = list.listIterator(); it.hasNext();) {
HashMap map = (HashMap)it.next();
if ("GoTo".equals(map.get("Action"))) {
String page = (String)map.get("Page");
if (page != null) {
page = page.trim();
int idx = page.indexOf(' ");
int pageNum;
if (idx < 0)
pageNum = Integer.parseInt(page);
else
pageNum = Integer.parseInt(page.substring(0, idx));
boolean hit = false;
if (pageRange == null)
hit = true;
else {
int len = pageRange.length & 0xfffffffe;
for (int k = 0; k < len; k += 2) {
if (pageNum >= pageRange[k] && pageNum < = pageRange[k + 1]) {
hit = true;
break;
}
}
}
if (hit) {
if (idx < 0)
page = Integer.toString(pageNum + pageShift);
else
page = (pageNum + pageShift) + page.substring(idx);
}
map.put("Page", page);
}
}
List kids = (List)map.get("Kids");
if (kids != null)
shiftPageNumbers(kids, pageShift, pageRange);
}
} For the pages in range add the pageShift to the page number.
The page ranges
consists of a number of pairs with the start/end page range. The page numbers
are inclusive. |
public void startDocument() {
} |
public void startElement(String tag,
HashMap h) {
if (topList == null) {
if (tag.equals("Bookmark")) {
topList = new ArrayList();
return;
}
else
throw new RuntimeException("Root element is not Bookmark: " + tag);
}
if (!tag.equals("Title"))
throw new RuntimeException("Tag " + tag + " not allowed.");
HashMap attributes = new HashMap(h);
attributes.put("Title", "");
attributes.remove("Kids");
attr.push(attributes);
} |
public void text(String str) {
if (attr.isEmpty())
return;
HashMap attributes = (HashMap)attr.peek();
String title = (String)attributes.get("Title");
title += str;
attributes.put("Title", title);
} |
com.lowagie.text.pdf.SimpleBookmark
Save This Page