private void doActionMerge()
throws ApplicationException, PageException, IOException, DocumentException {
if (source == null && params == null && directory == null)
throw new ApplicationException(
"at least one of the following constellation must be defined"
+ " attribute source, attribute directory or cfpdfparam child tags");
if (destination == null && StringUtil.isEmpty(name, true))
throw new ApplicationException(
"at least one of the following attributes must be defined " + "[destination,name]");
if (destination != null && !overwrite)
throw new ApplicationException("destination file [" + destination + "] already exists");
ArrayList docs = new ArrayList();
PDFDocument doc;
boolean isListing = false;
// source
if (source != null) {
if (Decision.isArray(source)) {
Array arr = Caster.toArray(source);
int len = arr.size();
for (int i = 1; i <= len; i++) {
docs.add(doc = toPDFDocument(arr.getE(i), password, null));
doc.setPages(pages);
}
} else if (source instanceof String) {
String[] sources =
List.toStringArrayTrim(List.listToArrayRemoveEmpty((String) source, ','));
for (int i = 0; i < sources.length; i++) {
docs.add(doc = toPDFDocument(sources[i], password, null));
doc.setPages(pages);
}
} else docs.add(toPDFDocument(source, password, null));
}
boolean destIsSource = false;
// params
if (directory != null && !directory.isDirectory()) {
if (!directory.exists())
throw new ApplicationException("defined attribute directory does not exist");
throw new ApplicationException("defined attribute directory is not a directory");
}
if (params != null) {
Iterator it = params.iterator();
PDFParamBean param;
while (it.hasNext()) {
param = (PDFParamBean) it.next();
docs.add(doc = toPDFDocument(param.getSource(), param.getPassword(), directory));
doc.setPages(param.getPages());
}
} else if (directory != null) {
isListing = true;
Resource[] children = ResourceUtil.listResources(directory, filter);
if (ascending) {
for (int i = children.length - 1; i >= 0; i--) {
if (destination != null && children[i].equals(destination)) destIsSource = true;
docs.add(doc = toPDFDocument(children[i], password, null));
doc.setPages(pages);
}
} else {
for (int i = 0; i < children.length; i++) {
if (destination != null && children[i].equals(destination)) destIsSource = true;
docs.add(doc = toPDFDocument(children[i], password, null));
doc.setPages(pages);
}
}
}
int doclen = docs.size();
if (doclen == 0) throw new ApplicationException("you have to define at leat 1 pdf file");
// output
OutputStream os = null;
if (!StringUtil.isEmpty(name) || destIsSource) {
os = new ByteArrayOutputStream();
} else if (destination != null) {
os = destination.getOutputStream();
}
/*com.lowagie.text.Document document=null;
PdfCopy copy=null;
PdfReader pr;
Set pages;
int size;*/
try {
if (!isListing) stopOnError = true;
PDFUtil.concat(
(PDFDocument[]) docs.toArray(new PDFDocument[docs.size()]),
os,
keepBookmark,
false,
stopOnError,
version);
/*
boolean init=false;
for(int d=0;d<doclen;d++) {
doc=(PDFDocument) docs.get(d);
pages=doc.getPages();
try {
pr=doc.getPdfReader();
print.out(pr.getCatalog().getKeys());
}
catch(Throwable t) {
if(isListing && !stopOnError)continue;
throw Caster.toPageException(t);
}
print.out("d+"+d);
if(!init) {
init=true;
print.out("set");
document = new com.lowagie.text.Document(pr.getPageSizeWithRotation(1));
copy = new PdfCopy(document,os);
document.open();
}
size=pr.getNumberOfPages();
print.out("pages:"+size);
for(int page=1;page<=size;page++) {
if(pages==null || pages.contains(Constants.Integer(page))) {
copy.addPage(copy.getImportedPage(pr, page));
}
}
}*/
} finally {
// if(document!=null)document.close();
IOUtil.closeEL(os);
if (os instanceof ByteArrayOutputStream) {
if (destination != null)
IOUtil.copy(
new ByteArrayInputStream(((ByteArrayOutputStream) os).toByteArray()),
destination,
true); // MUST overwrite
if (!StringUtil.isEmpty(name))
pageContext.setVariable(name, ((ByteArrayOutputStream) os).toByteArray());
}
}
}
