interchange/dumper
pCOS sample application for dumping PDF information.
import java.text.DecimalFormat;
import com.pdflib.pCOSException;
import com.pdflib.pCOS;
import com.pdflib.cookbook.pcos.pcos_cookbook_example;
/**
* pCOS sample application for dumping PDF information
*
* Required software: pCOS interface 3 (pCOS 3.x, PDFlib+PDI/PPS 7.x, TET 2.2,
* PLOP 3.x) <br>
* Required data: PDF document
*
* @version $Id: dumper.java,v 1.12 2010/09/27 13:24:26 stm Exp $
*/
public class dumper extends pcos_cookbook_example {
// private static final String DOCOPTLIST = "requiredmode=minimum";
private static final String DOCOPTLIST = "requiredmode=restricted password=demo";
/* This is where the data files are. Adjust as necessary. */
private final static String SEARCH_PATH = "../input";
public void example_code(pCOS p, String filename) throws pCOSException,
int count, pcosmode;
int i;
boolean plainmetadata;
String objtype;
/* Open the PDF document */
int doc = p.open_document(filename, DOCOPTLIST);
if (doc == -1)
throw new Exception("Error: " + p.get_errmsg());
/* --------- general information (always available) */
pcosmode = (int) p.pcos_get_number(doc, "pcosmode");
System.out.println(" File name: "
+ p.pcos_get_string(doc, "filename"));
System.out.println(" PDF version: "
+ p.pcos_get_string(doc, "pdfversionstring"));
System.out.println(" Encryption: "
+ p.pcos_get_string(doc, "encrypt/description"));
System.out.println(" Master pw: "
+ ((p.pcos_get_number(doc, "encrypt/master") != 0) ? "yes" : "no"));
System.out.println(" User pw: "
+ ((p.pcos_get_number(doc, "encrypt/user") != 0) ? "yes" : "no"));
System.out.println("Text copying: "
+ ((p.pcos_get_number(doc, "encrypt/nocopy") != 0) ? "no" : "yes"));
System.out.println(" Linearized: "
+ ((p.pcos_get_number(doc, "linearized") != 0) ? "yes" : "no"));
System.out.println();
if (pcosmode == 0) {
System.out.println("Minimum mode: no more information available\n");
p.delete();
System.exit(0);
}
/* --------- more details (requires at least user password) */
System.out.println("PDF/X status: " + p.pcos_get_string(doc, "pdfx"));
System.out.println("PDF/A status: " + p.pcos_get_string(doc, "pdfa"));
boolean xfa_present = !p
.pcos_get_string(doc, "type:/Root/AcroForm/XFA").equals("null");
System.out.println(" XFA data: " + (xfa_present ? "yes" : "no"));
System.out.println(" Tagged PDF: "
+ ((p.pcos_get_number(doc, "tagged") != 0) ? "yes" : "no"));
System.out.println("No. of pages: "
+ (int) p.pcos_get_number(doc, "length:pages"));
DecimalFormat page_dim_format = new DecimalFormat();
page_dim_format.setMinimumFractionDigits(0);
page_dim_format.setMaximumFractionDigits(3);
System.out
.println(" Page 1 size: width="
+ page_dim_format.format(p.pcos_get_number(doc,
"pages[0]/width"))
+ ", height="
+ page_dim_format.format(p.pcos_get_number(doc,
"pages[0]/height")));
count = (int) p.pcos_get_number(doc, "length:fonts");
System.out.println("No. of fonts: " + count);
for (i = 0; i < count; i++) {
String fonts;
fonts = "fonts[" + i + "]/embedded";
if (p.pcos_get_number(doc, fonts) != 0)
System.out.print("embedded ");
else
System.out.print("unembedded ");
fonts = "fonts[" + i + "]/type";
System.out.print(p.pcos_get_string(doc, fonts) + " font ");
fonts = "fonts[" + i + "]/name";
System.out.println(p.pcos_get_string(doc, fonts));
}
System.out.println();
plainmetadata = p.pcos_get_number(doc, "encrypt/plainmetadata") != 0;
if (pcosmode == 1 && !plainmetadata
&& p.pcos_get_number(doc, "encrypt/nocopy") != 0) {
System.out.print("Restricted mode: no more information available");
p.delete();
System.exit(0);
}
/* ----- document info keys and XMP metadata (requires master pw) */
count = (int) p.pcos_get_number(doc, "length:/Info");
for (i = 0; i < count; i++) {
String info;
String key;
int len;
info = "type:/Info[" + i + "]";
objtype = p.pcos_get_string(doc, info);
info = "/Info[" + i + "].key";
key = p.pcos_get_string(doc, info);
len = 12 - key.length();
while (len-- > 0)
System.out.print(" ");
System.out.print(key + ": ");
/* Info entries can be stored as string or name objects */
if (objtype.equals("name") || objtype.equals("string")) {
info = "/Info[" + i + "]";
System.out.println("'" + p.pcos_get_string(doc, info) + "'");
}
else {
info = "type:/Info[" + i + "]";
System.out.println("(" + p.pcos_get_string(doc, info)
+ " object)");
}
}
System.out.println();
System.out.print("XMP metadata: ");
objtype = p.pcos_get_string(doc, "type:/Root/Metadata");
if (objtype.equals("stream")) {
byte[] contents;
contents = p.pcos_get_stream(doc, "", "/Root/Metadata");
System.out.print(contents.length + " bytes ");
System.out.println("");
}
else {
System.out.println("not present");
}
p.close_document(doc);
}
public dumper(String[] argv, String readable_name, String search_path,
String full_rcs_file_name, String revision) {
super(argv, readable_name, search_path, full_rcs_file_name, revision);
}
public static void main(String argv[]) {
dumper example = new dumper(argv, "General info", SEARCH_PATH,
"$RCSfile: dumper.java,v $", "$Revision: 1.12 $");
example.execute();
}
}