/**
* Calculate the size of this IPTC directory if if were to be encoded inside a JPEG image.
*
* @return Returns the size in bytes.
*/
private int calcEncodedIPTCSize() {
int size = 0;
for (Iterator<Map.Entry<Integer, ImageMetaValue>> i = iterator(); i.hasNext(); ) {
final Map.Entry<Integer, ImageMetaValue> me = i.next();
final ImageMetaValue imValue = me.getValue();
switch (imValue.getType()) {
case META_SBYTE:
case META_UBYTE:
size += IPTC_ENTRY_HEADER_SIZE + 1;
break;
case META_DATE:
size += IPTC_ENTRY_HEADER_SIZE + IPTC_DATE_SIZE;
break;
case META_SSHORT:
case META_USHORT:
size += IPTC_ENTRY_HEADER_SIZE + IPTC_SHORT_SIZE;
break;
case META_STRING:
for (String s : imValue.getValues()) {
try {
final byte[] b = s.getBytes("ISO-8859-1");
size += IPTC_ENTRY_HEADER_SIZE + b.length;
} catch (UnsupportedEncodingException e) {
throw new IllegalStateException(e);
}
}
break;
default:
throw new IllegalStateException();
}
}
return size;
}
/** {@inheritDoc} */
protected Collection<Element> toXMP(Document xmpDoc, String nsURI, String prefix) {
Element rdfDescElement = null;
//
// First we have to scan through all the metadata values to see if at
// least one of them is one of the Creator Contact Info values because
// they need special handling.
//
Element cciElement = null;
for (Iterator<Map.Entry<Integer, ImageMetaValue>> i = iterator(); i.hasNext(); ) {
final Map.Entry<Integer, ImageMetaValue> me = i.next();
final int tagID = me.getKey();
if (tagIsCreatorContactInfo(tagID)) {
rdfDescElement = XMPUtil.createRDFDescription(xmpDoc, nsURI, prefix);
cciElement =
XMLUtil.addElementChildTo(rdfDescElement, nsURI, prefix + ':' + "CreatorContactInfo");
cciElement.setAttribute(XMP_RDF_PREFIX + ":parseType", "Resource");
rdfDescElement.appendChild(cciElement);
break;
}
}
//
// Now go through the metadata values for real and convert them to XMP.
// If a given metadata value is one of the Creator Contact Info values,
// make its parent the Creator Contact Info element rather than the
// given parent.
//
for (Iterator<Map.Entry<Integer, ImageMetaValue>> i = iterator(); i.hasNext(); ) {
final Map.Entry<Integer, ImageMetaValue> me = i.next();
final int tagID = me.getKey();
ImageMetaValue value = me.getValue();
//
// Only these tags are encoded as part of IPTC for XMP Core.
//
switch (tagID) {
case IPTC_COUNTRY_CODE:
case IPTC_INTELLECTUAL_GENRE:
case IPTC_LOCATION:
case IPTC_SCENE:
case IPTC_SUBJECT_CODE:
break;
default:
if (!tagIsCreatorContactInfo(tagID)) continue;
}
/*
//
// In XMP, IPTC time fields are merged into the corresponding date
// field.
//
switch ( tagID ) {
case IPTC_DATE_CREATED:
value = mergeDateTime( value, IPTC_TIME_CREATED );
break;
case IPTC_DATE_SENT:
value = mergeDateTime( value, IPTC_TIME_SENT );
break;
case IPTC_DIGITAL_CREATION_DATE:
value = mergeDateTime( value, IPTC_DIGITAL_CREATION_TIME );
break;
case IPTC_EXPIRATION_DATE:
value = mergeDateTime( value, IPTC_EXPIRATION_TIME );
break;
case IPTC_RELEASE_DATE:
value = mergeDateTime( value, IPTC_RELEASE_TIME );
break;
case IPTC_DIGITAL_CREATION_TIME:
case IPTC_EXPIRATION_TIME:
case IPTC_RELEASE_TIME:
case IPTC_TIME_CREATED:
case IPTC_TIME_SENT:
continue;
}
*/
final Element valueElement = value.toXMP(xmpDoc, nsURI, prefix);
if (valueElement != null) {
final Element parent;
if (tagIsCreatorContactInfo(tagID)) parent = cciElement;
else {
if (rdfDescElement == null)
rdfDescElement = XMPUtil.createRDFDescription(xmpDoc, nsURI, prefix);
parent = rdfDescElement;
}
//noinspection ConstantConditions
parent.appendChild(valueElement);
}
}
if (rdfDescElement != null) {
final Collection<Element> elements = new ArrayList<Element>(1);
elements.add(rdfDescElement);
return elements;
}
return null;
}