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Adding ability to have default new URI creation behavior in n3 custom forms. NIHVIVO-273

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bdc34 2010-04-01 21:34:22 +00:00
parent 53516cf140
commit c28519a98e
3 changed files with 39 additions and 18 deletions
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2
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/IndividualDao.java
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@ -141,7 +141,7 @@ public interface IndividualDao extends ObjectSourceIface {
/**
* Standard way to get a new URI that is not yet used.
* @param individual
* @param individual, may be null
* @return new URI that is not found in the subject, predicate or object position of any statement.
* @throws InsertException Could not create a URI
*/

5
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/IndividualDaoJena.java
View file

@ -1106,14 +1106,15 @@ public class IndividualDaoJena extends JenaBaseDao implements IndividualDao {
RDF.type ,
getOntModel().getResource(vclassURI));
}
public String getUnusedURI(Individual individual) throws InsertException {
String errMsg = null;
String namespace = null;
String uri = null;
boolean uriIsGood = false;
if ( (individual.getURI() != null && individual.getURI().startsWith( DEFAULT_NAMESPACE ) )
if ( individual == null ||
(individual.getURI() != null && individual.getURI().startsWith( DEFAULT_NAMESPACE ) )
|| individual.getNamespace() == null
|| individual.getNamespace().length() == 0
|| DEFAULT_NAMESPACE.equals(individual.getNamespace()) ){

50
webapp/web/edit/processRdfForm2.jsp
View file

@ -58,11 +58,16 @@ are well formed.
if (!selfEditing && !LoginFormBean.loggedIn(request, LoginFormBean.NON_EDITOR)) {
%>
<%@page import="edu.cornell.mannlib.vitro.webapp.dao.jena.DependentResourceDeleteJena"%><c:redirect url="<%= Controllers.LOGIN %>" />
<%@page import="edu.cornell.mannlib.vitro.webapp.dao.jena.DependentResourceDeleteJena"%>
<%@page import="edu.cornell.mannlib.vitro.webapp.dao.WebappDaoFactory"%>
<%@page import="edu.cornell.mannlib.vitro.webapp.beans.IndividualImpl"%>
<%@page import="edu.cornell.mannlib.vitro.webapp.beans.Individual"%>
<%@page import="edu.cornell.mannlib.vitro.webapp.dao.InsertException"%><c:redirect url="<%= Controllers.LOGIN %>" />
<%
}
VitroRequest vreq = new VitroRequest(request);
WebappDaoFactory wdf = vreq.getWebappDaoFactory();
/* the post parameters seem to get consumed by the parsing so
* we have to make a copy. */
@ -133,7 +138,7 @@ are well formed.
entToReturnTo = n3Subber.subInUris(editConfig.getUrisInScope(),entToReturnTo);
//do edits ever need new resources? (YES)
Map<String,String> varToNewResource = newToUriMap(editConfig.getNewResources(),resourcesModel);
Map<String,String> varToNewResource = newToUriMap(editConfig.getNewResources(),wdf);
fieldAssertions = n3Subber.substituteIntoValues(varToNewResource, null, fieldAssertions);
if(log.isDebugEnabled()) logAddRetract("substituted in URIs for new resources",fieldAssertions,fieldRetractions);
entToReturnTo = n3Subber.subInUris(varToNewResource,entToReturnTo);
@ -224,7 +229,7 @@ are well formed.
if(log.isDebugEnabled()) logRequiredOpt("substituted in Literals from scope ",n3Required,n3Optional);
/* ****************** New Resources ********************** */
Map<String,String> varToNewResource = newToUriMap(editConfig.getNewResources(),resourcesModel);
Map<String,String> varToNewResource = newToUriMap(editConfig.getNewResources(),wdf);
//if we are editing an existing prop, no new resources will be substituted since the var will
//have already been substituted in by urisInScope.
@ -376,26 +381,41 @@ are well formed.
/* ******************** Utility methods ********************** */
public Map<String,String> newToUriMap(Map<String,String> newResources, Model model){
public Map<String,String> newToUriMap(Map<String,String> newResources, WebappDaoFactory wdf){
HashMap<String,String> newUris = new HashMap<String,String>();
for( String key : newResources.keySet()){
newUris.put(key,makeNewUri(newResources.get(key), model));
newUris.put(key,makeNewUri(newResources.get(key), wdf));
}
return newUris;
}
public String makeNewUri(String prefix, Model model){
if( prefix == null || prefix.length() == 0 )
prefix = defaultUriPrefix;
String uri = prefix + Math.abs( random.nextInt() );
Resource r = ResourceFactory.createResource(uri);
while( model.containsResource(r) ){
uri = prefix + random.nextInt();
r = ResourceFactory.createResource(uri);
public String makeNewUri(String prefix, WebappDaoFactory wdf){
if( prefix == null || prefix.length() == 0 ){
String uri = null;
try{
uri = wdf.getIndividualDao().getUnusedURI(null);
}catch(InsertException ex){
log.error("could not create uri");
}
return uri;
}
return uri;
String goodURI = null;
int attempts = 0;
while( goodURI == null && attempts < 30 ){
Individual ind = new IndividualImpl();
ind.setURI( prefix + random.nextInt() );
try{
goodURI = wdf.getIndividualDao().getUnusedURI(ind);
}catch(InsertException ex){
log.debug("could not create uri");
}
attempts++;
}
if( goodURI == null )
log.error("could not create uri for prefix " + prefix);
return goodURI;
}
static Random random = new Random();