/**
* merges two arrays.
*
* @param dest
* @param source
*/
private void mergeArray(COSName name, COSDictionary dest, COSDictionary source) {
COSArray destDict = (COSArray) dest.getDictionaryObject(name);
COSArray sourceDict = (COSArray) source.getDictionaryObject(name);
if (destDict == null) {
destDict = new COSArray();
dest.setItem(name, destDict);
}
for (int sourceDictIdx = 0;
sourceDict != null && sourceDictIdx < sourceDict.size();
sourceDictIdx++) {
COSBase key = sourceDict.get(sourceDictIdx);
if (key instanceof COSName) {
COSName keyname = (COSName) key;
boolean bFound = false;
for (int destDictIdx = 0; destDictIdx < destDict.size(); destDictIdx++) {
COSBase destkey = destDict.get(destDictIdx);
if (destkey instanceof COSName) {
COSName destkeyname = (COSName) destkey;
if (destkeyname.equals(keyname)) {
bFound = true;
break;
}
}
}
if (!bFound) {
destDict.add(keyname);
}
}
}
}
/** The document catalog object of the PDF document. */
public class COSCatalog extends COSBasedObject {
/** The meta class implementation */
public static class MetaClass extends COSBasedObject.MetaClass {
protected MetaClass(Class instanceClass) {
super(instanceClass);
}
@Override
protected COSBasedObject doCreateCOSBasedObject(COSObject object) {
return new COSCatalog(object);
}
}
public static final COSName DK_AcroForm = COSName.constant("AcroForm"); // $NON-NLS-1$
public static final COSName DK_Collection = COSName.constant("Collection"); // $NON-NLS-1$
public static final COSName DK_Dests = COSName.constant("Dests"); // $NON-NLS-1$
public static final COSName DK_EmbeddedFiles = COSName.constant("EmbeddedFiles"); // $NON-NLS-1$
public static final COSName DK_JavaScript = COSName.constant("JavaScript"); // $NON-NLS-1$
public static final COSName DK_FDF = COSName.constant("FDF"); // $NON-NLS-1$
public static final COSName DK_Names = COSName.constant("Names"); // $NON-NLS-1$
public static final COSName DK_MarkInfo = COSName.constant("MarkInfo"); // $NON-NLS-1$
public static final COSName DK_OpenAction = COSName.constant("OpenAction"); // $NON-NLS-1$
public static final COSName DK_Outlines = COSName.constant("Outlines"); // $NON-NLS-1$
public static final COSName DK_Sig = COSName.constant("Sig"); // $NON-NLS-1$
public static final COSName DK_ViewerPreferences =
COSName.constant("ViewerPreferences"); // $NON-NLS-1$
public static final COSName DK_PageLabels = COSName.constant("PageLabels"); // $NON-NLS-1$
public static final COSName DK_PageLayout = COSName.constant("PageLayout"); // $NON-NLS-1$
public static final COSName DK_Threads = COSName.constant("Threads"); // $NON-NLS-1$
public static final COSName DK_AA = COSName.constant("AA"); // $NON-NLS-1$
public static final COSName DK_AF = COSName.constant("AF"); // $NON-NLS-1$
public static final COSName DK_Lang = COSName.constant("Lang"); // $NON-NLS-1$
public static final COSName DK_SpiderInfo = COSName.constant("SpiderInfo"); // $NON-NLS-1$
public static final COSName DK_StructTreeRoot = COSName.constant("StructTreeRoot"); // $NON-NLS-1$
public static final COSName DK_Type = COSName.constant("Type"); // $NON-NLS-1$
public static final COSName DK_Metadata = COSName.constant("Metadata"); // $NON-NLS-1$
public static final COSName DK_OutputIntents = COSName.constant("OutputIntents"); // $NON-NLS-1$
public static final COSName DK_PageMode = COSName.constant("PageMode"); // $NON-NLS-1$
public static final COSName DK_Pages = COSName.constant("Pages"); // $NON-NLS-1$
public static final COSName DK_PieceInfo = COSName.constant("PieceInfo"); // $NON-NLS-1$
public static final COSName CN_Type_Catalog = COSName.constant("Catalog"); // $NON-NLS-1$
public static final COSName DK_URI = COSName.constant("URI"); // $NON-NLS-1$
public static final COSName DK_Version = COSName.constant("Version"); // $NON-NLS-1$
public static final COSName DK_OCProperties = COSName.constant("OCProperties"); // $NON-NLS-1$
/** Well known attribute names */
public static final COSName CN_Version_1_4 = COSName.constant("1.4"); // $NON-NLS-1$
/** The meta class instance */
public static final MetaClass META = new MetaClass(MetaClass.class.getDeclaringClass());
protected COSCatalog(COSObject object) {
super(object);
}
/**
* The /AF field in the document catalog.
*
* @return The /AF field in the document catalog.
*/
public COSArray cosGetAF() {
return cosGetField(DK_AF).asArray();
}
/**
* The /Collection field in the document catalog.
*
* @return The /Collection field in the document catalog.
*/
public COSDictionary cosGetCollection() {
return cosGetField(DK_Collection).asDictionary();
}
/**
* The /Dests field in the document catalog.
*
* @return The /Dests field in the document catalog.
*/
public COSDictionary cosGetDests() {
return cosGetField(DK_Dests).asDictionary();
}
/**
* The /FDF field in the document catalog.
*
* @return The /FDF field in the document catalog.
*/
public COSDictionary cosGetFDF() {
return cosGetField(DK_FDF).asDictionary();
}
/**
* The /Names field in the document catalog.
*
* @return The /Names field in the document catalog.
*/
public COSDictionary cosGetNames() {
return cosGetField(DK_Names).asDictionary();
}
/**
* The object defining the open action for the document.
*
* @return COSDictionary or COSArray or COSNull if no entry defined.
*/
public COSObject cosGetOpenAction() {
return cosGetField(DK_OpenAction);
}
/**
* The /Outlines field in the document catalog.
*
* @return The /Outlines field in the document catalog.
*/
public COSDictionary cosGetOutline() {
return cosGetField(DK_Outlines).asDictionary();
}
/**
* The /Sig field in the document catalog.
*
* @return The /Sig field in the document catalog.
*/
public COSDictionary cosGetSig() {
return cosGetField(DK_Sig).asDictionary();
}
/** Set the /Collection field in the document catalog. */
public COSDictionary cosSetCollection(COSDictionary pCollection) {
return cosSetField(DK_Collection, pCollection).asDictionary();
}
/** Set the /Dests field in the document catalog. */
public COSDictionary cosSetDests(COSDictionary pDests) {
return cosSetField(DK_Dests, pDests).asDictionary();
}
/** Set the /FDF field in the document catalog. */
public COSDictionary cosSetFDF(COSDictionary fdfDict) {
return cosSetField(DK_FDF, fdfDict).asDictionary();
}
/** Set the /Names field in the document catalog. */
public COSDictionary cosSetNames(COSDictionary pNames) {
return cosSetField(DK_Names, pNames).asDictionary();
}
/** Set the /Outlines field in the document catalog. */
public COSDictionary cosSetOutline(COSDictionary dict) {
return cosSetField(DK_Outlines, dict).asDictionary();
}
/** Set the /Sig field in the document catalog. */
public COSDictionary cosSetSig(COSDictionary sigDict) {
return cosSetField(DK_Sig, sigDict).asDictionary();
}
/**
* The /PageMode field in the document catalog.
*
* @return The /PageMode field in the document catalog.
*/
public String getPageMode() {
return getFieldString(DK_PageMode, "UseNone"); // $NON-NLS-1$
}
/**
* The /Version field in the document catalog.
*
* @return The /Version field in the document catalog.
*/
public String getVersion() {
return getFieldString(DK_Version, cosGetDoc().stGetDoc().getVersion());
}
/*
* (non-Javadoc)
*
* @see de.intarsys.pdf.cos.COSBasedObject#initializeFromScratch()
*/
@Override
protected void initializeFromScratch() {
super.initializeFromScratch();
cosSetField(DK_Type, CN_Type_Catalog.copyShallow());
cosSetField(DK_Version, CN_Version_1_4.copyShallow());
}
/** Set the /PageMode field in the document catalog. */
public void setPageMode(String value) {
setFieldName(DK_PageMode, value);
}
/** Set the /Version field in the document catalog. */
public void setVersion(String value) {
setFieldName(DK_Version, value);
}
}
/*
* (non-Javadoc)
*
* @see de.intarsys.pdf.cos.COSBasedObject#initializeFromScratch()
*/
@Override
protected void initializeFromScratch() {
super.initializeFromScratch();
cosSetField(DK_Type, CN_Type_Catalog.copyShallow());
cosSetField(DK_Version, CN_Version_1_4.copyShallow());
}
private COSStream makeUniqObjectNames(Map objectNameMap, COSStream stream) throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream(10240);
byte[] buf = new byte[10240];
int read;
InputStream is = stream.getUnfilteredStream();
while ((read = is.read(buf)) > -1) {
baos.write(buf, 0, read);
}
buf = baos.toByteArray();
baos = new ByteArrayOutputStream(buf.length + 100);
StringBuffer sbObjectName = new StringBuffer(10);
boolean bInObjectIdent = false;
boolean bInText = false;
boolean bInEscape = false;
for (int i = 0; i < buf.length; i++) {
byte b = buf[i];
if (!bInEscape) {
if (!bInText && b == '(') {
bInText = true;
}
if (bInText && b == ')') {
bInText = false;
}
if (b == '\\') {
bInEscape = true;
}
if (!bInText && !bInEscape) {
if (b == '/') {
bInObjectIdent = true;
} else if (bInObjectIdent && Character.isWhitespace((char) b)) {
bInObjectIdent = false;
// System.err.println(sbObjectName);
// String object = sbObjectName.toString();
String objectName = sbObjectName.toString().substring(1);
String newObjectName = objectName + "overlay";
baos.write('/');
baos.write(newObjectName.getBytes("ISO-8859-1"));
objectNameMap.put(objectName, COSName.getPDFName(newObjectName));
sbObjectName.delete(0, sbObjectName.length());
}
}
if (bInObjectIdent) {
sbObjectName.append((char) b);
continue;
}
} else {
bInEscape = false;
}
baos.write(b);
}
COSDictionary streamDict = new COSDictionary();
streamDict.setInt(COSName.LENGTH, baos.size());
COSStream output = new COSStream(streamDict, pdfDocument.getDocument().getScratchFile());
output.setFilters(stream.getFilters());
OutputStream os = output.createUnfilteredStream();
baos.writeTo(os);
os.close();
return output;
}
