* open-postings to the newswire
*
* @author mir-coders group
- * @version $Id: ServletModuleOpenIndy.java,v 1.83 2003/04/26 15:42:17 zapata Exp $
+ * @version $Id: ServletModuleOpenIndy.java,v 1.84 2003/04/29 02:36:50 zapata Exp $
*
*/
+ /**
+ * Method for querying a lucene index
+ *
+ * @param req
+ * @param res
+ * @throws ServletModuleExc
+ * @throws ServletModuleUserExc
+ * @throws ServletModuleFailure
+ */
- /**
- * Method for querying a lucene index
- *
- * @param req
- * @param res
- * @throws ServletModuleExc
- * @throws ServletModuleUserExc
- * @throws ServletModuleFailure
- */
-
- public void search(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
- try {
- final String[] search_variables = { "search_content", "search_boolean", "search_creator",
- "search_topic", "search_hasImages", "search_hasAudio", "search_hasVideo", "search_sort",
- "search_submit", "search_back", "search_forward" };
- HTTPRequestParser requestParser = new HTTPRequestParser(req);
-
- int increment=10;
+ public void search(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
+ try {
+ final String[] search_variables = {
+ "search_content", "search_boolean", "search_creator",
+ "search_topic", "search_hasImages", "search_hasAudio", "search_hasVideo", "search_sort",
+ "search_submit", "search_back", "search_forward"};
+ HTTPRequestParser requestParser = new HTTPRequestParser(req);
- HttpSession session = req.getSession(false);
+ int increment = 10;
- String queryString="";
+ HttpSession session = req.getSession(false);
- Map mergeData = new HashMap();
+ String queryString = "";
- KeywordSearchTerm dateTerm = new KeywordSearchTerm("date_formatted","search_date","webdb_create_formatted","webdb_create_formatted","webdb_create_formatted");
- UnIndexedSearchTerm whereTerm = new UnIndexedSearchTerm("","","","where","where");
- TextSearchTerm creatorTerm = new TextSearchTerm("creator","search_creator","creator","creator","creator");
- TextSearchTerm titleTerm = new TextSearchTerm("title","search_content","title","title","title");
- TextSearchTerm descriptionTerm = new TextSearchTerm("description","search_content","description","description","description");
- ContentSearchTerm contentTerm = new ContentSearchTerm("content_data","search_content","content","","");
- TopicSearchTerm topicTerm = new TopicSearchTerm();
- ImagesSearchTerm imagesTerm = new ImagesSearchTerm();
- AudioSearchTerm audioTerm = new AudioSearchTerm();
- VideoSearchTerm videoTerm = new VideoSearchTerm();
+ Map mergeData = new HashMap();
- //make the query available to subsequent iterations
+ KeywordSearchTerm dateTerm = new KeywordSearchTerm("date_formatted", "search_date", "webdb_create_formatted", "webdb_create_formatted", "webdb_create_formatted");
+ UnIndexedSearchTerm whereTerm = new UnIndexedSearchTerm("", "", "", "where", "where");
+ TextSearchTerm creatorTerm = new TextSearchTerm("creator", "search_creator", "creator", "creator", "creator");
+ TextSearchTerm titleTerm = new TextSearchTerm("title", "search_content", "title", "title", "title");
+ TextSearchTerm descriptionTerm = new TextSearchTerm("description", "search_content", "description", "description", "description");
+ ContentSearchTerm contentTerm = new ContentSearchTerm("content_data", "search_content", "content", "", "");
+ TopicSearchTerm topicTerm = new TopicSearchTerm();
+ ImagesSearchTerm imagesTerm = new ImagesSearchTerm();
+ AudioSearchTerm audioTerm = new AudioSearchTerm();
+ VideoSearchTerm videoTerm = new VideoSearchTerm();
- Iterator j = Arrays.asList(search_variables).iterator();
- while (j.hasNext()) {
- String variable = (String) j.next();
+ //make the query available to subsequent iterations
- mergeData.put(variable, requestParser.getParameter(variable));
- }
+ Iterator j = Arrays.asList(search_variables).iterator();
+ while (j.hasNext()) {
+ String variable = (String) j.next();
- try{
- mergeData.put("topics", topicsModule.getTopicsAsSimpleList());
- }
- catch(Throwable e) {
- logger.debug("Can't get topics: " + e.toString());
- }
+ mergeData.put(variable, requestParser.getParameter(variable));
+ }
- String searchBackValue = req.getParameter("search_back");
- String searchForwardValue = req.getParameter("search_forward");
+ try {
+ mergeData.put("topics", topicsModule.getTopicsAsSimpleList());
+ }
+ catch (Throwable e) {
+ logger.debug("Can't get topics: " + e.toString());
+ }
- if (searchBackValue != null){
- int totalHits = ((Integer) session.getAttribute("numberOfHits")).intValue();
- int newPosition=((Integer)session.getAttribute("positionInResults")).intValue()-increment;
- if (newPosition<0)
- newPosition=0;
+ String searchBackValue = req.getParameter("search_back");
+ String searchForwardValue = req.getParameter("search_forward");
+
+ if (searchBackValue != null) {
+ int totalHits = ( (Integer) session.getAttribute("numberOfHits")).intValue();
+ int newPosition = ( (Integer) session.getAttribute("positionInResults")).intValue() - increment;
+ if (newPosition < 0)
+ newPosition = 0;
+ if (newPosition >= totalHits)
+ newPosition = totalHits - 1;
+ session.setAttribute("positionInResults", new Integer(newPosition));
+ }
+ else {
+ if (searchForwardValue != null) {
+ int totalHits = ( (Integer) session.getAttribute("numberOfHits")).intValue();
+ int newPosition = ( (Integer) session.getAttribute("positionInResults")).intValue() + increment;
+ if (newPosition < 0)
+ newPosition = 0;
if (newPosition >= totalHits)
- newPosition=totalHits-1;
- session.setAttribute("positionInResults",new Integer(newPosition));
+ newPosition = totalHits - 1;
+
+ session.setAttribute("positionInResults", new Integer(newPosition));
}
else {
- if (searchForwardValue != null){
- int totalHits = ((Integer) session.getAttribute("numberOfHits")).intValue();
- int newPosition=((Integer)session.getAttribute("positionInResults")).intValue()+increment;
- if (newPosition<0)
- newPosition=0;
- if (newPosition >= totalHits)
- newPosition=totalHits-1;
-
- session.setAttribute("positionInResults",new Integer(newPosition));
- }
- else {
- String indexPath=configuration.getString("IndexPath");
+ String indexPath = configuration.getString("IndexPath");
+ String creatorFragment = creatorTerm.makeTerm(req);
+ if (creatorFragment != null) {
+ queryString = queryString + " +" + creatorFragment;
+ }
- String creatorFragment = creatorTerm.makeTerm(req);
- if (creatorFragment != null){
- queryString = queryString + " +" + creatorFragment;
- }
-
- // search title, description, and content for something
- // the contentTerm uses param "search_boolean" to combine its terms
- String contentFragment = contentTerm.makeTerm(req);
- if (contentFragment != null){
- logger.debug("contentFragment: " + contentFragment);
- queryString = queryString + " +" + contentFragment;
- }
+ // search title, description, and content for something
+ // the contentTerm uses param "search_boolean" to combine its terms
+ String contentFragment = contentTerm.makeTerm(req);
+ if (contentFragment != null) {
+ logger.debug("contentFragment: " + contentFragment);
+ queryString = queryString + " +" + contentFragment;
+ }
- String topicFragment = topicTerm.makeTerm(req);
- if (topicFragment != null){
- queryString = queryString + " +" + topicFragment;
- }
+ String topicFragment = topicTerm.makeTerm(req);
+ if (topicFragment != null) {
+ queryString = queryString + " +" + topicFragment;
+ }
- String imagesFragment = imagesTerm.makeTerm(req);
- if (imagesFragment != null){
- queryString = queryString + " +" + imagesFragment;
- }
+ String imagesFragment = imagesTerm.makeTerm(req);
+ if (imagesFragment != null) {
+ queryString = queryString + " +" + imagesFragment;
+ }
- String audioFragment = audioTerm.makeTerm(req);
- if (audioFragment != null){
- queryString = queryString + " +" + audioFragment;
- }
+ String audioFragment = audioTerm.makeTerm(req);
+ if (audioFragment != null) {
+ queryString = queryString + " +" + audioFragment;
+ }
- String videoFragment = videoTerm.makeTerm(req);
- if (videoFragment != null){
- queryString = queryString + " +" + videoFragment;
- }
+ String videoFragment = videoTerm.makeTerm(req);
+ if (videoFragment != null) {
+ queryString = queryString + " +" + videoFragment;
+ }
- if (queryString == null || queryString == ""){
- queryString = "";
- }
- else{
- try{
- Searcher searcher = null;
- try {
- searcher = new IndexSearcher(indexPath);
- }
- catch(IOException e) {
- logger.debug("Can't open indexPath: " + indexPath);
- throw new ServletModuleExc("Problem with Search Index! : "+ e.toString());
- }
+ if (queryString == null || queryString == "") {
+ queryString = "";
+ }
+ else {
+ try {
+ Searcher searcher = null;
+ try {
+ searcher = new IndexSearcher(indexPath);
+ }
+ catch (IOException e) {
+ logger.debug("Can't open indexPath: " + indexPath);
+ throw new ServletModuleExc("Problem with Search Index! : " + e.toString());
+ }
- Query query = null;
- try {
- query = QueryParser.parse(queryString, "content", new StandardAnalyzer());
- }
- catch(Exception e) {
- searcher.close();
- logger.debug("Query don't parse: " + queryString);
- throw new ServletModuleExc("Problem with Query String! (was '"+queryString+"')");
- }
+ Query query = null;
+ try {
+ query = QueryParser.parse(queryString, "content", new StandardAnalyzer());
+ }
+ catch (Exception e) {
+ searcher.close();
+ logger.debug("Query don't parse: " + queryString);
+ throw new ServletModuleExc("Problem with Query String! (was '" + queryString + "')");
+ }
- Hits hits = null;
- try {
- hits = searcher.search(query);
- }
- catch(IOException e) {
- searcher.close();
- logger.debug("Can't get hits: " + e.toString());
- throw new ServletModuleExc("Problem getting hits!");
- }
+ Hits hits = null;
+ try {
+ hits = searcher.search(query);
+ }
+ catch (IOException e) {
+ searcher.close();
+ logger.debug("Can't get hits: " + e.toString());
+ throw new ServletModuleExc("Problem getting hits!");
+ }
- int start = 0;
- int end = hits.length();
+ int start = 0;
+ int end = hits.length();
- String sortBy=req.getParameter("search_sort");
- if (sortBy == null || sortBy.equals("")){
- throw new ServletModuleExc("Please let me sort by something!(missing search_sort)");
- }
+ String sortBy = req.getParameter("search_sort");
+ if (sortBy == null || sortBy.equals("")) {
+ throw new ServletModuleExc("Please let me sort by something!(missing search_sort)");
+ }
- // here is where the documents will go for storage across sessions
- ArrayList theDocumentsSorted = new ArrayList();
+ // here is where the documents will go for storage across sessions
+ ArrayList theDocumentsSorted = new ArrayList();
- if (sortBy.equals("score")){
- for(int i = start; i < end; i++) {
- theDocumentsSorted.add(hits.doc(i));
- }
+ if (sortBy.equals("score")) {
+ for (int i = start; i < end; i++) {
+ theDocumentsSorted.add(hits.doc(i));
}
- else{
- // then we'll sort by date!
- Map dateToPosition = new HashMap(end,1.0F); //we know how big it will be
- for(int i = start; i < end; i++) {
- String creationDate=(hits.doc(i)).get("creationDate");
- // do a little dance in case two contents created at the same second!
- if (dateToPosition.containsKey(creationDate)){
- ((ArrayList) (dateToPosition.get(creationDate))).add(new Integer(i));
- }
- else{
- ArrayList thePositions = new ArrayList();
- thePositions.add(new Integer(i));
- dateToPosition.put(creationDate,thePositions);
- }
- }
- Set keys = dateToPosition.keySet();
- ArrayList keyList= new ArrayList(keys);
- Collections.sort(keyList);
- if (sortBy.equals("date_desc")){
- Collections.reverse(keyList);
- }
- else{
- if (!sortBy.equals("date_asc")){
- throw new ServletModuleExc("don't know how to sort by: "+ sortBy);
- }
+ }
+ else {
+ // then we'll sort by date!
+ Map dateToPosition = new HashMap(end, 1.0F); //we know how big it will be
+ for (int i = start; i < end; i++) {
+ String creationDate = (hits.doc(i)).get("creationDate");
+ // do a little dance in case two contents created at the same second!
+ if (dateToPosition.containsKey(creationDate)) {
+ ( (ArrayList) (dateToPosition.get(creationDate))).add(new Integer(i));
}
- ListIterator keyTraverser = keyList.listIterator();
- while (keyTraverser.hasNext()){
- ArrayList positions = (ArrayList)dateToPosition.get((keyTraverser.next()));
- ListIterator positionsTraverser=positions.listIterator();
- while (positionsTraverser.hasNext()){
- theDocumentsSorted.add(hits.doc(((Integer)(positionsTraverser.next())).intValue()));
- }
+ else {
+ ArrayList thePositions = new ArrayList();
+ thePositions.add(new Integer(i));
+ dateToPosition.put(creationDate, thePositions);
}
}
-
- try{
- searcher.close();
+ Set keys = dateToPosition.keySet();
+ ArrayList keyList = new ArrayList(keys);
+ Collections.sort(keyList);
+ if (sortBy.equals("date_desc")) {
+ Collections.reverse(keyList);
}
- catch (IOException e){
- logger.debug("Can't close searcher: " + e.toString());
- throw new ServletModuleFailure("Problem closing searcher(normal):" + e.getMessage(), e);
+ else {
+ if (!sortBy.equals("date_asc")) {
+ throw new ServletModuleExc("don't know how to sort by: " + sortBy);
+ }
}
+ ListIterator keyTraverser = keyList.listIterator();
+ while (keyTraverser.hasNext()) {
+ ArrayList positions = (ArrayList) dateToPosition.get( (keyTraverser.next()));
+ ListIterator positionsTraverser = positions.listIterator();
+ while (positionsTraverser.hasNext()) {
+ theDocumentsSorted.add(hits.doc( ( (Integer) (positionsTraverser.next())).intValue()));
+ }
+ }
+ }
-
- session.removeAttribute("numberOfHits");
- session.removeAttribute("theDocumentsSorted");
- session.removeAttribute("positionInResults");
-
- session.setAttribute("numberOfHits",new Integer(end));
- session.setAttribute("theDocumentsSorted",theDocumentsSorted);
- session.setAttribute("positionInResults",new Integer(0));
-
+ try {
+ searcher.close();
}
- catch (IOException e){
+ catch (IOException e) {
logger.debug("Can't close searcher: " + e.toString());
- throw new ServletModuleFailure("Problem closing searcher: " + e.getMessage(), e);
+ throw new ServletModuleFailure("Problem closing searcher(normal):" + e.getMessage(), e);
}
- }
- }
- }
-
- try {
- ArrayList theDocs = (ArrayList)session.getAttribute("theDocumentsSorted");
- if (theDocs != null){
- mergeData.put("numberOfHits", ((Integer)session.getAttribute("numberOfHits")).toString());
- List theHits = new Vector();
- int pIR=((Integer)session.getAttribute("positionInResults")).intValue();
- int terminus;
- int numHits=((Integer)session.getAttribute("numberOfHits")).intValue();
+ session.removeAttribute("numberOfHits");
+ session.removeAttribute("theDocumentsSorted");
+ session.removeAttribute("positionInResults");
- if (!(pIR+increment>=numHits)){
- mergeData.put("hasNext","y");
- }
- else {
- mergeData.put("hasNext", null);
- }
- if (pIR>0){
- mergeData.put("hasPrevious","y");
- }
- else {
- mergeData.put("hasPrevious", null);
- }
+ session.setAttribute("numberOfHits", new Integer(end));
+ session.setAttribute("theDocumentsSorted", theDocumentsSorted);
+ session.setAttribute("positionInResults", new Integer(0));
- if ((pIR+increment)>numHits){
- terminus=numHits;
- }
- else {
- terminus=pIR+increment;
}
- for(int i = pIR; i < terminus; i++) {
- Map h = new HashMap();
- Document theHit = (Document)theDocs.get(i);
- whereTerm.returnMeta(h,theHit);
- creatorTerm.returnMeta(h,theHit);
- titleTerm.returnMeta(h,theHit);
- descriptionTerm.returnMeta(h,theHit);
- dateTerm.returnMeta(h,theHit);
- imagesTerm.returnMeta(h,theHit);
- audioTerm.returnMeta(h,theHit);
- videoTerm.returnMeta(h,theHit);
- theHits.add(h);
+ catch (IOException e) {
+ logger.debug("Can't close searcher: " + e.toString());
+ throw new ServletModuleFailure("Problem closing searcher: " + e.getMessage(), e);
}
- mergeData.put("hits",theHits);
}
}
- catch (Throwable e) {
- logger.error("Can't iterate over hits: " + e.toString());
+ }
- throw new ServletModuleFailure("Problem getting hits: " + e.getMessage(), e);
- }
+ try {
+ ArrayList theDocs = (ArrayList) session.getAttribute("theDocumentsSorted");
+ if (theDocs != null) {
- mergeData.put("queryString",queryString);
+ mergeData.put("numberOfHits", ( (Integer) session.getAttribute("numberOfHits")).toString());
+ List theHits = new Vector();
+ int pIR = ( (Integer) session.getAttribute("positionInResults")).intValue();
+ int terminus;
+ int numHits = ( (Integer) session.getAttribute("numberOfHits")).intValue();
- deliver(req, res, mergeData, null, searchResultsTemplate);
+ if (! (pIR + increment >= numHits)) {
+ mergeData.put("hasNext", "y");
+ }
+ else {
+ mergeData.put("hasNext", null);
+ }
+ if (pIR > 0) {
+ mergeData.put("hasPrevious", "y");
+ }
+ else {
+ mergeData.put("hasPrevious", null);
+ }
+
+ if ( (pIR + increment) > numHits) {
+ terminus = numHits;
+ }
+ else {
+ terminus = pIR + increment;
+ }
+ for (int i = pIR; i < terminus; i++) {
+ Map h = new HashMap();
+ Document theHit = (Document) theDocs.get(i);
+ whereTerm.returnMeta(h, theHit);
+ creatorTerm.returnMeta(h, theHit);
+ titleTerm.returnMeta(h, theHit);
+ descriptionTerm.returnMeta(h, theHit);
+ dateTerm.returnMeta(h, theHit);
+ imagesTerm.returnMeta(h, theHit);
+ audioTerm.returnMeta(h, theHit);
+ videoTerm.returnMeta(h, theHit);
+ theHits.add(h);
+ }
+ mergeData.put("hits", theHits);
+ }
}
- catch (NullPointerException n){
- throw new ServletModuleFailure("Null Pointer: "+n.toString(), n);
+ catch (Throwable e) {
+ logger.error("Can't iterate over hits: " + e.toString());
+
+ throw new ServletModuleFailure("Problem getting hits: " + e.getMessage(), e);
}
- }
- /*
- * Method for dynamically generating a pdf using iText
- */
+ mergeData.put("queryString", queryString);
+ deliver(req, res, mergeData, null, searchResultsTemplate);
+ }
+ catch (NullPointerException n) {
+ throw new ServletModuleFailure("Null Pointer: " + n.toString(), n);
+ }
+ }
- public void getpdf(HttpServletRequest req, HttpServletResponse res)
- throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
- String ID_REQUEST_PARAM = "id";
- try {
- String idParam = req.getParameter(ID_REQUEST_PARAM);
- if (idParam != null) {
- ByteArrayOutputStream out = new ByteArrayOutputStream();
- PDFGenerator pdfMaker = new PDFGenerator(out);
+ /*
+ * Method for dynamically generating a pdf using iText
+ */
- RE re = new RE("[0-9]+");
+ public void getpdf(HttpServletRequest req, HttpServletResponse res) throws ServletModuleExc, ServletModuleUserExc, ServletModuleFailure {
+ String ID_REQUEST_PARAM = "id";
+ try {
+ String idParam = req.getParameter(ID_REQUEST_PARAM);
+ if (idParam != null) {
+ ByteArrayOutputStream out = new ByteArrayOutputStream();
+ PDFGenerator pdfMaker = new PDFGenerator(out);
+ RE re = new RE("[0-9]+");
- REMatch[] idMatches=re.getAllMatches(idParam);
+ REMatch[] idMatches = re.getAllMatches(idParam);
- if (idMatches.length > 1){
- pdfMaker.addLine();
- for (int i = 0; i < idMatches.length; i++){
- REMatch aMatch = idMatches[i];
- String id=aMatch.toString();
- EntityContent contentEnt = (EntityContent)contentModule.getById(id);
- pdfMaker.addIndexItem(contentEnt);
+ if (idMatches.length > 1) {
+ pdfMaker.addLine();
+ for (int i = 0; i < idMatches.length; i++) {
+ REMatch aMatch = idMatches[i];
+ String id = aMatch.toString();
+ EntityContent contentEnt = (EntityContent) contentModule.getById(id);
+ pdfMaker.addIndexItem(contentEnt);
- }
- }
+ }
+ }
- for (int i = 0; i < idMatches.length; i++){
- REMatch aMatch = idMatches[i];
+ for (int i = 0; i < idMatches.length; i++) {
+ REMatch aMatch = idMatches[i];
- String id=aMatch.toString();
+ String id = aMatch.toString();
- EntityContent contentEnt = (EntityContent)contentModule.getById(id);
- pdfMaker.add(contentEnt);
+ EntityContent contentEnt = (EntityContent) contentModule.getById(id);
+ pdfMaker.add(contentEnt);
- }
+ }
- pdfMaker.stop();
- res.setContentType("application/pdf");
- byte[] content = out.toByteArray();
- res.setContentLength(content.length);
- res.getOutputStream().write(content);
- res.getOutputStream().flush();
+ pdfMaker.stop();
+ res.setContentType("application/pdf");
+ byte[] content = out.toByteArray();
+ res.setContentLength(content.length);
+ res.getOutputStream().write(content);
+ res.getOutputStream().flush();
- }
- else {
- throw new ServletModuleExc("Missing id.");
- }
}
- catch (Throwable t) {
- logger.error(t.toString());
- throw new ServletModuleFailure(t);
+ else {
+ throw new ServletModuleExc("Missing id.");
}
-
}
+ catch (Throwable t) {
+ logger.error(t.toString());
+ throw new ServletModuleFailure(t);
+ }
+
+ }
+
public String generateOnetimePassword() {
Random r = new Random();
int random = r.nextInt();
return returnString.substring(5);
}
- public void deliver(HttpServletRequest aRequest, HttpServletResponse aResponse, Map aData, Map anExtra, String aGenerator)
- throws ServletModuleFailure {
+ public void deliver(HttpServletRequest aRequest, HttpServletResponse aResponse, Map aData, Map anExtra, String aGenerator) throws ServletModuleFailure {
try {
deliver(aResponse.getWriter(), aRequest, aResponse, aData, anExtra, aGenerator);
}
projects / mir.git / blobdiff