/**
* Add options to the search scope field. This field determines in what communities or collections
* to search for the query.
*
* <p>The scope list will depend upon the current search scope. There are three cases:
*
* <p>No current scope: All top level communities are listed.
*
* <p>The current scope is a community: All collections contained within the community are listed.
*
* <p>The current scope is a collection: All parent communities are listed.
*
* @param scope The current scope field.
*/
protected void buildScopeList(Select scope) throws SQLException, WingException {
DSpaceObject scopeDSO = getScope();
if (scopeDSO == null) {
// No scope, display all root level communities
scope.addOption("/", T_all_of_dspace);
scope.setOptionSelected("/");
for (Community community : Community.findAllTop(context)) {
scope.addOption(community.getHandle(), community.getMetadata("name"));
}
} else if (scopeDSO instanceof Community) {
// The scope is a community, display all collections contained
// within
Community community = (Community) scopeDSO;
scope.addOption("/", T_all_of_dspace);
scope.addOption(community.getHandle(), community.getMetadata("name"));
scope.setOptionSelected(community.getHandle());
for (Collection collection : community.getCollections()) {
scope.addOption(collection.getHandle(), collection.getMetadata("name"));
}
} else if (scopeDSO instanceof Collection) {
// The scope is a collection, display all parent collections.
Collection collection = (Collection) scopeDSO;
scope.addOption("/", T_all_of_dspace);
scope.addOption(collection.getHandle(), collection.getMetadata("name"));
scope.setOptionSelected(collection.getHandle());
Community[] communities = collection.getCommunities()[0].getAllParents();
for (Community community : communities) {
scope.addOption(community.getHandle(), community.getMetadata("name"));
}
}
}
public static void applyFiltersCommunity(Context c, Community community) throws Exception {
Community[] subcommunities = community.getSubcommunities();
for (int i = 0; i < subcommunities.length; i++) {
applyFiltersCommunity(c, subcommunities[i]);
}
Collection[] collections = community.getCollections();
for (int j = 0; j < collections.length; j++) {
applyFiltersCollection(c, collections[j]);
}
}
/**
* Show a community home page, or deal with button press on home page
*
* @param context Context object
* @param request the HTTP request
* @param response the HTTP response
* @param community the community
*/
private void communityHome(
Context context,
HttpServletRequest request,
HttpServletResponse response,
Community community)
throws ServletException, IOException, SQLException {
// Handle click on a browse or search button
if (!handleButton(request, response, IdentifierService.getURL(community))) {
// No button pressed, display community home page
log.info(
LogManager.getHeader(context, "view_community", "community_id=" + community.getID()));
// Get the collections within the community
Collection[] collections = (Collection[]) community.getCollections().toArray();
// get any subcommunities of the community
Community[] subcommunities = (Community[]) community.getSubCommunities().toArray();
// perform any necessary pre-processing
preProcessCommunityHome(context, request, response, community);
// is the user a COMMUNITY_EDITOR?
// if (community.canEditBoolean())
if (AuthorizeManager.canEdit(community, context)) {
// set a variable to create an edit button
request.setAttribute("editor_button", new Boolean(true));
}
// can they add to this community?
if (AuthorizeManager.authorizeActionBoolean(context, community, Constants.ADD)) {
// set a variable to create an edit button
request.setAttribute("add_button", new Boolean(true));
}
// can they remove from this community?
if (AuthorizeManager.authorizeActionBoolean(context, community, Constants.REMOVE)) {
// set a variable to create an edit button
request.setAttribute("remove_button", new Boolean(true));
}
// Forward to community home page
request.setAttribute("community", community);
request.setAttribute("collections", collections);
request.setAttribute("subcommunities", subcommunities);
JSPManager.showJSP(request, response, "/community-home.jsp");
}
}
/**
* Get a preserved community backup file and respective children from cloud.
*
* @param context context DSpace
* @param ref ID of the community
* @param establishConnection true if pretend establish connection to cloud
* @return true if file correctly sent to cloud, or false if not
*/
public Boolean getCommunityAndChilds(Context context, Integer ref, Boolean establishConnection) {
// if true make the connection available
if (establishConnection == true) {
this.makeConnection();
this.filesInCloud.putAll(this.newCloudConnection.getInfoFilesIn(Constants.COMMUNITY));
}
// get file community from cloud
getCommunity(context, ref, false);
Community obj;
Community[] subCommunities;
Collection[] collections;
// get community and the respective sub-communities and childs
try {
obj = Community.find(context, ref);
subCommunities = obj.getSubcommunities();
collections = obj.getCollections();
} catch (Exception ex) {
// it means it is the first father in the order, so close connection
if (establishConnection == true) this.closeConnection();
Logger.getLogger(ActualContentManagement.class.getName()).log(Level.SEVERE, null, ex);
return false;
}
// get from cloud all the respective files sub-communities and childs
if (subCommunities.length != 0) {
for (int i = 0; i < subCommunities.length; i++)
getCommunityAndChilds(context, subCommunities[i].getID(), false);
}
// get from cloud all files collections and childs
if (collections.length != 0) {
for (int i = 0; i < collections.length; i++)
getCollectionAndChilds(context, collections[i].getID(), false);
}
// it means it is the first father in the order
if (establishConnection == true) this.closeConnection();
return true;
}
protected void doDSGet(Context context, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException, SQLException, AuthorizeException {
// Get the query
String query = request.getParameter("query");
int start = UIUtil.getIntParameter(request, "start");
String advanced = request.getParameter("advanced");
String fromAdvanced = request.getParameter("from_advanced");
int sortBy = UIUtil.getIntParameter(request, "sort_by");
String order = request.getParameter("order");
int rpp = UIUtil.getIntParameter(request, "rpp");
String advancedQuery = "";
HashMap queryHash = new HashMap();
// can't start earlier than 0 in the results!
if (start < 0) {
start = 0;
}
int collCount = 0;
int commCount = 0;
int itemCount = 0;
Item[] resultsItems;
Collection[] resultsCollections;
Community[] resultsCommunities;
QueryResults qResults = null;
QueryArgs qArgs = new QueryArgs();
SortOption sortOption = null;
if (request.getParameter("etal") != null)
qArgs.setEtAl(UIUtil.getIntParameter(request, "etal"));
try {
if (sortBy > 0) {
sortOption = SortOption.getSortOption(sortBy);
qArgs.setSortOption(sortOption);
}
if (SortOption.ASCENDING.equalsIgnoreCase(order)) {
qArgs.setSortOrder(SortOption.ASCENDING);
} else {
qArgs.setSortOrder(SortOption.DESCENDING);
}
} catch (Exception e) {
}
if (rpp > 0) {
qArgs.setPageSize(rpp);
}
// if the "advanced" flag is set, build the query string from the
// multiple query fields
if (advanced != null) {
query = qArgs.buildQuery(request);
advancedQuery = qArgs.buildHTTPQuery(request);
}
// Ensure the query is non-null
if (query == null) {
query = "";
}
// Get the location parameter, if any
String location = request.getParameter("location");
String newURL;
// If there is a location parameter, we should redirect to
// do the search with the correct location.
if ((location != null) && !location.equals("")) {
String url = "";
if (!location.equals("/")) {
// Location points to a resource
url = "/resource/" + location;
}
// Encode the query
query = URLEncoder.encode(query, Constants.DEFAULT_ENCODING);
if (advancedQuery.length() > 0) {
query = query + "&from_advanced=true&" + advancedQuery;
}
// Do the redirect
response.sendRedirect(
response.encodeRedirectURL(
request.getContextPath() + url + "/simple-search?query=" + query));
return;
}
// Build log information
String logInfo = "";
// Get our location
Community community = UIUtil.getCommunityLocation(request);
Collection collection = UIUtil.getCollectionLocation(request);
// get the start of the query results page
// List resultObjects = null;
qArgs.setQuery(query);
qArgs.setStart(start);
// Perform the search
if (collection != null) {
logInfo = "collection_id=" + collection.getID() + ",";
// Values for drop-down box
request.setAttribute("community", community);
request.setAttribute("collection", collection);
qResults = DSQuery.doQuery(context, qArgs, collection);
} else if (community != null) {
logInfo = "community_id=" + community.getID() + ",";
request.setAttribute("community", community);
// Get the collections within the community for the dropdown box
request.setAttribute("collection.array", community.getCollections());
qResults = DSQuery.doQuery(context, qArgs, community);
} else {
// Get all communities for dropdown box
// Community[] communities = Community.findAll(context);
Community[] communities =
(Community[]) ApplicationService.findAllCommunities(context).toArray();
request.setAttribute("community.array", communities);
qResults = DSQuery.doQuery(context, qArgs);
}
// now instantiate the results and put them in their buckets
for (int i = 0; i < qResults.getHitTypes().size(); i++) {
String myURI = (String) qResults.getHitURIs().get(i);
Integer myType = (Integer) qResults.getHitTypes().get(i);
// add the URI to the appropriate lists
switch (myType.intValue()) {
case Constants.ITEM:
itemCount++;
break;
case Constants.COLLECTION:
collCount++;
break;
case Constants.COMMUNITY:
commCount++;
break;
}
}
// Make objects from the URIs - make arrays, fill them out
resultsCommunities = new Community[commCount];
resultsCollections = new Collection[collCount];
resultsItems = new Item[itemCount];
for (int i = 0; i < qResults.getHitTypes().size(); i++) {
Integer myId = (Integer) qResults.getHitIds().get(i);
String myURI = (String) qResults.getHitURIs().get(i);
Integer myType = (Integer) qResults.getHitTypes().get(i);
switch (myType.intValue()) {
case Constants.ITEM:
if (myId != null) {
// resultsItems[itemCount] = Item.find(context, myId);
resultsItems[itemCount] = ApplicationService.get(context, Item.class, myId);
} else {
ObjectIdentifier oi = ObjectIdentifier.parseCanonicalForm(myURI);
resultsItems[itemCount] = (Item) oi.getObject(context);
}
if (resultsItems[itemCount] == null) {
throw new SQLException("Query \"" + query + "\" returned unresolvable item");
}
itemCount++;
break;
case Constants.COLLECTION:
if (myId != null) {
// resultsCollections[collCount] = Collection.find(context, myId);
resultsCollections[collCount] = ApplicationService.get(context, Collection.class, myId);
} else {
ObjectIdentifier oi = ObjectIdentifier.parseCanonicalForm(myURI);
resultsCollections[collCount] = (Collection) oi.getObject(context);
}
if (resultsCollections[collCount] == null) {
throw new SQLException("Query \"" + query + "\" returned unresolvable collection");
}
collCount++;
break;
case Constants.COMMUNITY:
if (myId != null) {
// resultsCommunities[commCount] = Community.find(context, myId);
resultsCommunities[commCount] = ApplicationService.get(context, Community.class, myId);
} else {
ObjectIdentifier oi = ObjectIdentifier.parseCanonicalForm(myURI);
resultsCommunities[commCount] = (Community) oi.getObject(context);
}
if (resultsCommunities[commCount] == null) {
throw new SQLException("Query \"" + query + "\" returned unresolvable community");
}
commCount++;
break;
}
}
// Log
log.info(
LogManager.getHeader(
context,
"search",
logInfo
+ "query=\""
+ query
+ "\",results=("
+ resultsCommunities.length
+ ","
+ resultsCollections.length
+ ","
+ resultsItems.length
+ ")"));
// Pass in some page qualities
// total number of pages
int pageTotal = 1 + ((qResults.getHitCount() - 1) / qResults.getPageSize());
// current page being displayed
int pageCurrent = 1 + (qResults.getStart() / qResults.getPageSize());
// pageLast = min(pageCurrent+9,pageTotal)
int pageLast = ((pageCurrent + 9) > pageTotal) ? pageTotal : (pageCurrent + 9);
// pageFirst = max(1,pageCurrent-9)
int pageFirst = ((pageCurrent - 9) > 1) ? (pageCurrent - 9) : 1;
// Pass the results to the display JSP
request.setAttribute("items", resultsItems);
request.setAttribute("communities", resultsCommunities);
request.setAttribute("collections", resultsCollections);
request.setAttribute("pagetotal", new Integer(pageTotal));
request.setAttribute("pagecurrent", new Integer(pageCurrent));
request.setAttribute("pagelast", new Integer(pageLast));
request.setAttribute("pagefirst", new Integer(pageFirst));
request.setAttribute("queryresults", qResults);
// And the original query string
request.setAttribute("query", query);
request.setAttribute("order", qArgs.getSortOrder());
request.setAttribute("sortedBy", sortOption);
if ((fromAdvanced != null) && (qResults.getHitCount() == 0)) {
// send back to advanced form if no results
Community[] communities =
(Community[]) ApplicationService.findAllCommunities(context).toArray();
// Community[] communities = Community.findAll(context);
request.setAttribute("communities", communities);
request.setAttribute("no_results", "yes");
queryHash = qArgs.buildQueryHash(request);
Iterator i = queryHash.keySet().iterator();
while (i.hasNext()) {
String key = (String) i.next();
String value = (String) queryHash.get(key);
request.setAttribute(key, value);
}
JSPManager.showJSP(request, response, "/search/advanced.jsp");
} else {
JSPManager.showJSP(request, response, "/search/results.jsp");
}
}