/**
* Store the processed data and metadata in the system
*
* @param dataJson an instantiated JSON object containing data to store
* @param metaJson an instantiated JSON object containing metadata to store
* @throws HarvesterException if an error occurs
*/
private void storeJsonInObject(JsonObject dataJson, JsonObject metaJson, String oid)
throws HarvesterException {
// Does the object already exist?
DigitalObject object = null;
try {
object = getStorage().getObject(oid);
boolean isModified = isModifiedRecord(oid, dataJson);
storeJsonInPayload(dataJson, metaJson, object);
object.getMetadata().setProperty("isModified", Boolean.toString(isModified));
} catch (StorageException ex) {
// This is going to be brand new
try {
object = StorageUtils.getDigitalObject(getStorage(), oid);
storeJsonInPayload(dataJson, metaJson, object);
// newRecordCount++;
object.getMetadata().setProperty("isNew", "true");
} catch (StorageException ex2) {
throw new HarvesterException("Error creating new digital object: ", ex2);
}
}
// Set the pending flag
if (object != null) {
try {
object.getMetadata().setProperty("render-pending", "true");
object.close();
} catch (Exception ex) {
log.error("Error setting 'render-pending' flag: ", ex);
}
}
}
/**
* Create Payload method for ICE Error
*
* @param object : DigitalObject that store the payload
* @param file : File to be stored as payload
* @param message : Error message
* @return transformed DigitalObject
* @throws StorageException
* @throws UnsupportedEncodingException
*/
public DigitalObject createErrorPayload(DigitalObject object, String file, Exception ex)
throws StorageException, UnsupportedEncodingException {
String name = file + "_ice_error.htm";
String message = ex.getMessage();
if (message == null) {
message = ex.toString();
}
Payload errorPayload =
StorageUtils.createOrUpdatePayload(
object, name, new ByteArrayInputStream(message.getBytes("UTF-8")));
errorPayload.setType(PayloadType.Error);
errorPayload.setLabel("ICE conversion errors");
errorPayload.setContentType("text/html");
return object;
}
/**
* Create Payload method for ICE rendition files
*
* @param object : DigitalObject that store the payload
* @param file : File to be stored as payload
* @return transformed DigitalObject
* @throws StorageException
* @throws IOException
*/
public DigitalObject createIcePayload(DigitalObject object, File file)
throws StorageException, IOException, Exception {
if (ZIP_MIME_TYPE.equals(MimeTypeUtil.getMimeType(file))) {
ZipFile zipFile = new ZipFile(file);
Enumeration<? extends ZipEntry> entries = zipFile.entries();
while (entries.hasMoreElements()) {
ZipEntry entry = entries.nextElement();
if (!entry.isDirectory()) {
String name = entry.getName();
String mimeType = MimeTypeUtil.getMimeType(name);
// log.info("(ZIP) Name : '" + name + "', MimeType : '" +
// mimeType + "'");
InputStream in = zipFile.getInputStream(entry);
// If this is a HTML document we need to strip it down
// to the 'body' tag and replace with a 'div'
if (mimeType.equals(HTML_MIME_TYPE)) {
try {
log.debug("Stripping unnecessary HTML");
// Parse the document
Document doc = reader.loadDocumentFromStream(in);
// Alter the body node
Node node = doc.selectSingleNode("//*[local-name()='body']");
node.setName("div");
// Write out the new 'document'
ByteArrayOutputStream out = new ByteArrayOutputStream();
reader.docToStream(node, out);
// Prep our inputstream again
in = new ByteArrayInputStream(out.toByteArray());
} catch (DocumentException ex) {
createErrorPayload(object, name, ex);
continue;
} catch (Exception ex) {
log.error("Error : ", ex);
continue;
}
}
// Determing the payload type to use in storage
PayloadType pt = null;
try {
pt = assignType(object, name, mimeType);
} catch (TransformerException ex) {
throw new Exception("Error examining object to assign type: ", ex);
}
if (pt == null) {
// We're done, this file is not being stored
return object;
}
Payload icePayload = StorageUtils.createOrUpdatePayload(object, name, in);
icePayload.setLabel(name);
icePayload.setContentType(mimeType);
icePayload.setType(pt);
icePayload.close();
}
}
zipFile.close();
} else {
String name = file.getName();
String mimeType = MimeTypeUtil.getMimeType(name);
// Determing the payload type to use in storage
PayloadType pt = null;
try {
pt = assignType(object, name, mimeType);
} catch (TransformerException ex) {
throw new Exception("Error examining object to assign type: ", ex);
}
if (pt == null) {
// We're done, this file is not being stored
return object;
}
Payload icePayload =
StorageUtils.createOrUpdatePayload(object, name, new FileInputStream(file));
icePayload.setLabel(name);
icePayload.setContentType(mimeType);
icePayload.setType(pt);
icePayload.close();
}
return object;
}
