| Code with Finding: |
class AcroFields {
/**
* Sets the field value and the display string. The display string
* is used to build the appearance in the cases where the value
* is modified by Acrobat with JavaScript and the algorithm is
* known.
*
* @param name the fully qualified field name or the partial name in the case of XFA forms
* @param value the field value
* @param display the string that is used for the appearance. If <CODE>null</CODE>
* the <CODE>value</CODE> parameter will be used
* @return <CODE>true</CODE> if the field was found and changed,
* <CODE>false</CODE> otherwise
* @throws IOException on error
* @throws DocumentException on error
*/
public boolean setField(String name, String value, String display) throws IOException, DocumentException {
if (writer == null)
throw new DocumentException(MessageLocalization.getComposedMessage("this.acrofields.instance.is.read.only"));
if (xfa.isXfaPresent()) {
name = xfa.findFieldName(name, this);
if (name == null)
return false;
String shortName = XfaForm.Xml2Som.getShortName(name);
Node xn = xfa.findDatasetsNode(shortName);
if (xn == null) {
xn = xfa.getDatasetsSom().insertNode(xfa.getDatasetsNode(), shortName);
}
xfa.setNodeText(xn, value);
}
Item item = fields.get(name);
if (item == null)
return false;
PdfDictionary merged = item.getMerged( 0 );
PdfName type = merged.getAsName(PdfName.FT);
if (PdfName.TX.equals(type)) {
PdfNumber maxLen = merged.getAsNumber(PdfName.MAXLEN);
int len = 0;
if (maxLen != null)
len = maxLen.intValue();
if (len > 0)
value = value.substring(0, Math.min(len, value.length()));
}
if (display == null)
display = value;
if (PdfName.TX.equals(type) || PdfName.CH.equals(type)) {
PdfString v = new PdfString(value, PdfObject.TEXT_UNICODE);
for (int idx = 0; idx < item.size(); ++idx) {
PdfDictionary valueDic = item.getValue(idx);
valueDic.put(PdfName.V, v);
valueDic.remove(PdfName.I);
markUsed(valueDic);
merged = item.getMerged(idx);
merged.remove(PdfName.I);
merged.put(PdfName.V, v);
PdfDictionary widget = item.getWidget(idx);
if (generateAppearances) {
PdfAppearance app = getAppearance(merged, display, name);
if (PdfName.CH.equals(type)) {
PdfNumber n = new PdfNumber(topFirst);
widget.put(PdfName.TI, n);
merged.put(PdfName.TI, n);
}
PdfDictionary appDic = widget.getAsDict(PdfName.AP);
if (appDic == null) {
appDic = new PdfDictionary();
widget.put(PdfName.AP, appDic);
merged.put(PdfName.AP, appDic);
}
appDic.put(PdfName.N, app.getIndirectReference());
writer.releaseTemplate(app);
}
else {
widget.remove(PdfName.AP);
merged.remove(PdfName.AP);
}
markUsed(widget);
}
return true;
}
else if (PdfName.BTN.equals(type)) {
PdfNumber ff = item.getMerged(0).getAsNumber(PdfName.FF);
int flags = 0;
if (ff != null)
flags = ff.intValue();
if ((flags & PdfFormField.FF_PUSHBUTTON) != 0) {
//we'll assume that the value is an image in base64
Image img;
try {
img = Image.getInstance(Base64.decode(value));
}
catch (Exception e) {
return false;
}
PushbuttonField pb = getNewPushbuttonFromField(name);
pb.setImage(img);
replacePushbuttonField(name, pb.getField());
return true;
}
PdfName v = new PdfName(value);
ArrayList<String> lopt = new ArrayList<String>();
PdfArray opts = item.getValue(0).getAsArray(PdfName.OPT);
if (opts != null) {
for (int k = 0; k < opts.size(); ++k) {
PdfString valStr = opts.getAsString(k);
if (valStr != null)
lopt.add(valStr.toUnicodeString());
else
lopt.add(null);
}
}
int vidx = lopt.indexOf(value);
PdfName vt;
if (vidx >= 0)
vt = new PdfName(String.valueOf(vidx));
else
vt = v;
for (int idx = 0; idx < item.size(); ++idx) {
merged = item.getMerged(idx);
PdfDictionary widget = item.getWidget(idx);
PdfDictionary valDict = item.getValue(idx);
markUsed(item.getValue(idx));
valDict.put(PdfName.V, vt);
merged.put(PdfName.V, vt);
markUsed(widget);
if (isInAP(widget, vt)) {
merged.put(PdfName.AS, vt);
widget.put(PdfName.AS, vt);
}
else {
merged.put(PdfName.AS, PdfName.Off);
widget.put(PdfName.AS, PdfName.Off);
}
}
return true;
}
return false;
}
}
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