I am converting a FOP 0.20.5 servlet to a use FOP 0.95. We needed to have
bookmarks. which are supported in 0.95.
I am completely new to Java, Apache FOP, servlets, and iText. Please excuse
me, if I do not get the java semantics down correctly. No one in my shop is
a java programmer. I have inherited this code that was written several years
ago..
I have been successful in getting the new code to create a PDF document
using the new FOP classes and methods in FOP 0.95. I am now trying to get
the some older code to work which appends PDF files to the PDF stream
created with FOP. The old code used PdfCopy. I have found out that the
bookmarks I had in the file are now gone. Seems I need to use class
PdfCopyFields.
Here is where I get confused with Java's object/class casting. The following
is new code that I am trying to compile:
[ previous code created the PDF as a ByteArrayOutputStream in
out]
byte[] content = out.toByteArray();
PdfReader MainApp = new PdfReader(content);
ByteArrayOutputStream FullApp = new ByteArrayOutputStream();
PdfCopyFields copy = new PdfCopyFields(FullApp);
copy.addDocument(MainApp);
String LorFilePath = "/usr/local/docs/sophas/lor/2009/";
File LorFile = new File(LorFilePath);
String[] LorFileNames = LorFile.list(new SimpleFilter(cas_id));
for(int j=0; j< LorFileNames.length;j++) {
String inFile = new String(LorFilePath + LorFileNames[j]);
PdfReader LorPDF = new PdfReader(inFile);
copy.addDocument(LorPDF);
}
copy.close();
//Return the result
response.setContentType("application/pdf");
response.setContentLength(copy.length);
response.getOutputStream().write(copy);
response.getOutputStream().flush();
Ant complains with:
[javac] symbol : variable length
[javac] location: class com.lowagie.text.pdf.PdfCopyFields
[javac] response.setContentLength(copy.length);
[javac]
^
[javac]
/home/timb/xsl_fo/portals/sophas_servlet_095/src/FopServlet.java:378: cannot
find symbol
[javac] symbol : method write(com.lowagie.text.pdf.PdfCopyFields)
[javac] location: class javax.servlet.ServletOutputStream
[javac] response.getOutputStream().write(copy);
[javac] ^
[javac] 2 errors
The above errors makes perfect sense to me .
I cannot figure out how convert the PdfCopyFields copy object to a
byte stream to pass back as in the servlet response.
- I have seen the PdfCopyFields is a sub-class of Object.
- Is there a method to convert an Object to a byte stream?
- Research into using copy.getWriter() has led me in circles of
javadoc to no avail.
Any help or educational pointers would be greatly appreciated.
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