com.itextpdf.text.pdf.FdfWriter Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of itextpdf Show documentation
Show all versions of itextpdf Show documentation
iText, a free Java-PDF library
/*
* $Id: FdfWriter.java 4784 2011-03-15 08:33:00Z blowagie $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2011 1T3XT BVBA
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
* 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.text.pdf;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.util.StringTokenizer;
import com.itextpdf.text.DocWriter;
import com.itextpdf.text.pdf.AcroFields.Item;
/** Writes an FDF form.
* @author Paulo Soares
*/
public class FdfWriter {
private static final byte[] HEADER_FDF = DocWriter.getISOBytes("%FDF-1.4\n%\u00e2\u00e3\u00cf\u00d3\n");
HashMap fields = new HashMap();
/** The PDF file associated with the FDF. */
private String file;
/** Creates a new FdfWriter. */
public FdfWriter() {
}
/** Writes the content to a stream.
* @param os the stream
* @throws IOException on error
*/
public void writeTo(OutputStream os) throws IOException {
Wrt wrt = new Wrt(os, this);
wrt.writeTo();
}
@SuppressWarnings("unchecked")
boolean setField(String field, PdfObject value) {
HashMap map = fields;
StringTokenizer tk = new StringTokenizer(field, ".");
if (!tk.hasMoreTokens())
return false;
while (true) {
String s = tk.nextToken();
Object obj = map.get(s);
if (tk.hasMoreTokens()) {
if (obj == null) {
obj = new HashMap();
map.put(s, obj);
map = (HashMap)obj;
continue;
}
else if (obj instanceof HashMap)
map = (HashMap)obj;
else
return false;
}
else {
if (!(obj instanceof HashMap)) {
map.put(s, value);
return true;
}
else
return false;
}
}
}
@SuppressWarnings("unchecked")
void iterateFields(HashMap values, HashMap map, String name) {
for (Map.Entry entry: map.entrySet()) {
String s = entry.getKey();
Object obj = entry.getValue();
if (obj instanceof HashMap)
iterateFields(values, (HashMap)obj, name + "." + s);
else
values.put((name + "." + s).substring(1), obj);
}
}
/** Removes the field value.
* @param field the field name
* @return true
if the field was found and removed,
* false
otherwise
*/
@SuppressWarnings("unchecked")
public boolean removeField(String field) {
HashMap map = fields;
StringTokenizer tk = new StringTokenizer(field, ".");
if (!tk.hasMoreTokens())
return false;
ArrayList