public void execute(WebScriptRequest req, WebScriptResponse res) throws IOException {
final String value = req.getParameter(P_VALUE);
NodeRef nodeRef = null;
if (null != value && NodeRef.isNodeRef(value)) {
nodeRef = new NodeRef(value);
}
final String engine = req.getParameter(P_ENGINE);
String mimetype = req.getParameter(P_MIMETYPE);
mimetype = null == mimetype ? D_MIMETYPE : mimetype;
final ByteArrayOutputStream output = new ByteArrayOutputStream();
if (req.getServerPath().contains("/new")) {
final String reference = referenceProviderService.getNewReference(engine, null);
generateBarcode(reference, output, mimetype);
} else {
String barcodeValue = value;
if (null != nodeRef) {
barcodeValue = referenceProviderService.getExistingReference(nodeRef);
}
if (null != value && !value.isEmpty()) {
generateBarcode(barcodeValue, output, mimetype);
} else {
logger.debug(String.format("No barcode generated for value '%s'", value));
}
}
res.setContentType(mimetype);
// res.setContentEncoding(reader.getEncoding());
res.setHeader("Content-Length", Long.toString(output.size()));
// get the content and stream directly to the response output stream
// assuming the repository is capable of streaming in chunks, this should allow large files
// to be streamed directly to the browser response stream.
try {
res.getOutputStream().write(output.toByteArray());
} catch (SocketException e1) {
// the client cut the connection - our mission was accomplished apart from a little error
// message
if (logger.isInfoEnabled()) logger.info("Client aborted stream read.");
} catch (ContentIOException e2) {
if (logger.isInfoEnabled()) logger.info("Client aborted stream read.");
}
}
/*
* Extract favourite nodes of the given type from the comma-separated list in "nodes".
*/
private Map<PersonFavouriteKey, PersonFavourite> extractFavouriteNodes(
String userName, Type type, String nodes) {
PrefKeys prefKeys = getPrefKeys(type);
Map<PersonFavouriteKey, PersonFavourite> favouriteNodes =
new HashMap<PersonFavouriteKey, PersonFavourite>();
StringTokenizer st = new StringTokenizer(nodes, ",");
while (st.hasMoreTokens()) {
String nodeRefStr = st.nextToken();
nodeRefStr = nodeRefStr.trim();
if (!NodeRef.isNodeRef((String) nodeRefStr)) {
continue;
}
NodeRef nodeRef = new NodeRef((String) nodeRefStr);
if (!nodeService.exists(nodeRef)) {
continue;
}
if (permissionService.hasPermission(nodeRef, PermissionService.READ_PROPERTIES)
== AccessStatus.DENIED) {
continue;
}
// get createdAt for this favourited node
// use ISO8601
StringBuilder builder = new StringBuilder(prefKeys.getAlfrescoPrefKey());
builder.append(nodeRef.toString());
builder.append(".createdAt");
String prefKey = builder.toString();
String createdAtStr = (String) preferenceService.getPreference(userName, prefKey);
Date createdAt = (createdAtStr != null ? ISO8601DateFormat.parse(createdAtStr) : null);
String name = (String) nodeService.getProperty(nodeRef, ContentModel.PROP_NAME);
PersonFavourite personFavourite =
new PersonFavourite(userName, nodeRef, type, name, createdAt);
PersonFavouriteKey key = personFavourite.getKey();
favouriteNodes.put(key, personFavourite);
}
return favouriteNodes;
}
@Override
protected void processAssociationPersist(
NodeRef nodeRef,
Map<QName, AssociationDefinition> assocDefs,
Map<QName, ChildAssociationDefinition> childAssocDefs,
FieldData fieldData,
List<org.alfresco.repo.forms.processor.node.AbstractAssocCommand> assocCommands) {
if (getLogger().isDebugEnabled())
getLogger().debug("Processing field " + fieldData + " for association persistence");
String fieldName = fieldData.getName();
Matcher m =
this.associationNamePattern.matcher(
fieldName.replaceAll(DOT_CHARACTER_REPLACEMENT, DOT_CHARACTER));
if (m.matches()) {
String qNamePrefix = m.group(1);
String localName = m.group(2);
String assocSuffix = m.group(3);
QName fullQName = QName.createQName(qNamePrefix, localName, namespaceService);
// ensure that the association being persisted is defined in the model
AssociationDefinition assocDef = assocDefs.get(fullQName);
// TODO: if the association is not defined on the node, check for the association
// in all models, however, the source of an association can be critical so we
// can't just look up the association in the model regardless. We need to
// either check the source class of the node and the assoc def match or we
// check that the association was defined as part of an aspect (where by it's
// nature can have any source type)
// SIDE : since forms and model are generated by SIDE we make the assertion that fields are
// valid, so no advanced validation are done
if (assocDef == null) {
if (getLogger().isWarnEnabled()) {
getLogger()
.debug(
"Field '"
+ fieldName
+ "' as an association definition can not be found in the current model");
}
assocDef = this.dictionaryService.getAssociation(fullQName);
if (assocDef == null) {
if (getLogger().isWarnEnabled()) {
getLogger()
.warn(
"Ignoring field '"
+ fieldName
+ "' as an association definition can not be found in ANY models ");
}
return;
} else {
if (getLogger().isDebugEnabled()) {
getLogger()
.debug(
"Field '"
+ fieldName
+ "' Found as an association definition in another model : "
+ assocDef.getModel().getName());
}
}
}
String value = (String) fieldData.getValue();
String[] nodeRefs = value.split(",");
// Each element in this array will be a new target node in association
// with the current node.
for (String nextTargetNode : nodeRefs) {
if (nextTargetNode.length() > 0) {
if (NodeRef.isNodeRef(nextTargetNode)) {
if (assocSuffix.equals(ASSOC_DATA_ADDED_SUFFIX)) {
if (assocDef.isChild()) {
assocCommands.add(
new AddChildAssocCommand(nodeRef, new NodeRef(nextTargetNode), fullQName));
} else {
assocCommands.add(
new AddAssocCommand(nodeRef, new NodeRef(nextTargetNode), fullQName));
}
} else if (assocSuffix.equals(ASSOC_DATA_REMOVED_SUFFIX)) {
if (assocDef.isChild()) {
assocCommands.add(
new RemoveChildAssocCommand(nodeRef, new NodeRef(nextTargetNode), fullQName));
} else {
assocCommands.add(
new RemoveAssocCommand(nodeRef, new NodeRef(nextTargetNode), fullQName));
}
} else {
if (getLogger().isWarnEnabled()) {
StringBuilder msg = new StringBuilder();
msg.append("Ignoring 'fieldName ")
.append(fieldName)
.append("' as it does not have one of the expected suffixes (")
.append(ASSOC_DATA_ADDED_SUFFIX)
.append(" or ")
.append(ASSOC_DATA_REMOVED_SUFFIX)
.append(")");
getLogger().warn(msg.toString());
}
}
} else {
if (getLogger().isWarnEnabled()) {
StringBuilder msg = new StringBuilder();
msg.append("targetNode ")
.append(nextTargetNode)
.append(" is not a valid NodeRef and has been ignored.");
getLogger().warn(msg.toString());
}
}
}
}
} else if (getLogger().isWarnEnabled()) {
getLogger().warn("Ignoring unrecognised field '" + fieldName + "'");
}
}