interactive/fields
Retrieve the type and name of all form fields.
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import com.pdflib.pCOS;
import com.pdflib.pCOSException;
import com.pdflib.cookbook.pcos.pcos_cookbook_example;
/**
* Retrieve form fields.
* <p>
* Required software: pCOS interface 3 (pCOS 2.x, PDFlib 7.x, TET 2.2,
* PLOP 3.x)<br>
* Required data: PDF document
*
* @version $Id: fields.java,v 1.3 2007/09/19 08:45:30 stm Exp $
*/
public class fields extends pcos_cookbook_example {
/* 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, Exception {
/* Open the PDF document */
int doc = p.open_document(filename, "");
if (doc == -1)
throw new Exception("Error: " + p.get_errmsg());
System.out.println("File name: " + p.get_string(doc, "filename"));
int fieldcount = (int) p.get_number(doc, "length:fields");
if (fieldcount == 0) {
System.out.println("No form fields found\n");
}
else {
System.out.println(fieldcount + " form fields found");
for (int f = 0; f < fieldcount; f++) {
System.out.print("field " + f
+ ": level="
+ (int) p.get_number(doc, "fields[" + f + "]/level")
+ " ");
String res = p.get_string(doc, "fields[" + f + "]/fullname");
System.out.print("fullname='" + res + "'; ");
String objtype = p.get_string(doc, "type:fields[" + f + "]/FT");
if (objtype.equals("name")) {
res = p.get_string(doc, "fields[" + f + "]/FT");
System.out.println("type=" + res);
}
else {
System.out.println("non-terminal field without any type");
}
}
}
p.close_document(doc);
}
public fields(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[]) {
fields example = new fields(argv,
"Form fields", SEARCH_PATH,
"$RCSfile: fields.java,v $", "$Revision: 1.3 $");
example.execute();
}
}