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Diffstat (limited to 'src/main/java/org/pdfbox/examples/fdf/PrintFields.java')
| -rw-r--r-- | src/main/java/org/pdfbox/examples/fdf/PrintFields.java | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/examples/fdf/PrintFields.java b/src/main/java/org/pdfbox/examples/fdf/PrintFields.java new file mode 100644 index 0000000..189ba72 --- /dev/null +++ b/src/main/java/org/pdfbox/examples/fdf/PrintFields.java @@ -0,0 +1,163 @@ +/**
+ * Copyright (c) 2003-2005, www.pdfbox.org
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of pdfbox; nor the names of its
+ * contributors may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://www.pdfbox.org
+ *
+ */
+package org.pdfbox.examples.fdf;
+
+import java.io.IOException;
+
+import java.util.Iterator;
+import java.util.List;
+
+import org.pdfbox.pdmodel.interactive.form.PDAcroForm;
+import org.pdfbox.pdmodel.interactive.form.PDField;
+
+import org.pdfbox.exceptions.CryptographyException;
+import org.pdfbox.exceptions.InvalidPasswordException;
+
+import org.pdfbox.pdmodel.PDDocument;
+import org.pdfbox.pdmodel.PDDocumentCatalog;
+
+/**
+ * This example will take a PDF document and print all the fields from the file.
+ *
+ * @author Ben Litchfield (ben@benlitchfield.com)
+ * @version $Revision: 1.15 $
+ */
+public class PrintFields
+{
+
+ /**
+ * This will print all the fields from the document.
+ *
+ * @param pdfDocument The PDF to get the fields from.
+ *
+ * @throws IOException If there is an error getting the fields.
+ */
+ public void printFields( PDDocument pdfDocument ) throws IOException
+ {
+ PDDocumentCatalog docCatalog = pdfDocument.getDocumentCatalog();
+ PDAcroForm acroForm = docCatalog.getAcroForm();
+ List fields = acroForm.getFields();
+ Iterator fieldsIter = fields.iterator();
+
+ System.out.println(new Integer(fields.size()).toString() + " top-level fields were found on the form");
+
+ while( fieldsIter.hasNext())
+ {
+ PDField field = (PDField)fieldsIter.next();
+ processField(field, "|--", field.getPartialName());
+ }
+ }
+
+ private void processField(PDField field, String sLevel, String sParent) throws IOException
+ {
+ List kids = field.getKids();
+ if(kids != null)
+ {
+ Iterator kidsIter = kids.iterator();
+ if(!sParent.equals(field.getPartialName()))
+ {
+ sParent = sParent + "." + field.getPartialName();
+ }
+ System.out.println(sLevel + sParent);
+ //System.out.println(sParent + " is of type " + field.getClass().getName());
+ while(kidsIter.hasNext())
+ {
+ Object pdfObj = kidsIter.next();
+ if(pdfObj instanceof PDField)
+ {
+ PDField kid = (PDField)pdfObj;
+ processField(kid, "| " + sLevel, sParent);
+ }
+ }
+ }
+ else
+ {
+ String outputString = sLevel + sParent + "." + field.getPartialName() + " = " + field.getValue() +
+ ", type=" + field.getClass().getName();
+
+ System.out.println(outputString);
+ }
+ }
+
+ /**
+ * This will read a PDF file and print out the form elements.
+ * <br />
+ * see usage() for commandline
+ *
+ * @param args command line arguments
+ *
+ * @throws IOException If there is an error importing the FDF document.
+ * @throws CryptographyException If there is an error decrypting the document.
+ */
+ public static void main(String[] args) throws IOException, CryptographyException
+ {
+ PDDocument pdf = null;
+ try
+ {
+ if( args.length != 1 )
+ {
+ usage();
+ }
+ else
+ {
+ pdf = PDDocument.load( args[0] );
+ PrintFields exporter = new PrintFields();
+ if( pdf.isEncrypted() )
+ {
+ try
+ {
+ pdf.decrypt( "" );
+ }
+ catch( InvalidPasswordException e )
+ {
+ System.err.println( "Error: The document is encrypted." );
+ usage();
+ }
+ }
+ exporter.printFields( pdf );
+ }
+ }
+ finally
+ {
+ if( pdf != null )
+ {
+ pdf.close();
+ }
+ }
+ }
+ /**
+ * This will print out a message telling how to use this example.
+ */
+ private static void usage()
+ {
+ System.err.println( "usage: org.pdfbox.examples.fdf.PrintFields <pdf-file>" );
+ }
+}
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