/**
* Adds an extra field - replacing an already present extra field of the same type.
*
* <p>The new extra field will be the first one.
*
* @param ze an extra field
*/
public void addAsFirstExtraField(ZipExtraField ze) {
if (ze instanceof UnparseableExtraFieldData) {
unparseableExtra = (UnparseableExtraFieldData) ze;
} else {
if (getExtraField(ze.getHeaderId()) != null) {
removeExtraField(ze.getHeaderId());
}
ZipExtraField[] copy = extraFields;
int newLen = extraFields != null ? extraFields.length + 1 : 1;
extraFields = new ZipExtraField[newLen];
extraFields[0] = ze;
if (copy != null) {
System.arraycopy(copy, 0, extraFields, 1, extraFields.length - 1);
}
}
setExtra();
}
/**
* Adds an extra field - replacing an already present extra field of the same type.
*
* <p>If no extra field of the same type exists, the field will be added as last field.
*
* @param ze an extra field
*/
public void addExtraField(ZipExtraField ze) {
if (ze instanceof UnparseableExtraFieldData) {
unparseableExtra = (UnparseableExtraFieldData) ze;
} else {
if (extraFields == null) {
extraFields = new ZipExtraField[] {ze};
} else {
if (getExtraField(ze.getHeaderId()) != null) {
removeExtraField(ze.getHeaderId());
}
final ZipExtraField[] zipExtraFields = copyOf(extraFields, extraFields.length + 1);
zipExtraFields[zipExtraFields.length - 1] = ze;
extraFields = zipExtraFields;
}
}
setExtra();
}