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Change URI generation so that it follows the new pattern NIHVIVO-273

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bdc34 2010-04-01 21:01:00 +00:00
parent 679d43a633
commit 53516cf140
3 changed files with 101 additions and 42 deletions
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11
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/IndividualDao.java
View file

@ -127,7 +127,8 @@ public interface IndividualDao extends ObjectSourceIface {
List<String> getKeywordsForIndividual(String individualURI);
@SuppressWarnings("unchecked")
List<String> getKeywordsForIndividualByMode(String individualURI, String modeStr);
List<String> getKeywordsForIndividualByMode(String individualURI,
String modeStr);
@SuppressWarnings("unchecked")
List<Keyword> getKeywordObjectsForIndividual(String individualURI);
@ -138,6 +139,14 @@ public interface IndividualDao extends ObjectSourceIface {
String getStatus(String entityURI);
/**
* Standard way to get a new URI that is not yet used.
* @param individual
* @return new URI that is not found in the subject, predicate or object position of any statement.
* @throws InsertException Could not create a URI
*/
String getUnusedURI(Individual individual) throws InsertException;
@Deprecated
public abstract Individual getIndividualByExternalId(int externalIdType,
String externalIdValue);

4
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/filtering/IndividualDaoFiltering.java
View file

@ -248,4 +248,8 @@ class IndividualDaoFiltering extends BaseFiltering implements IndividualDao{
return innerIndividualDao.isIndividualOfClass(vclassURI, indURI);
}
public String getUnusedURI(Individual individual) throws InsertException {
return innerIndividualDao.getUnusedURI(individual);
}
}

92
webapp/src/edu/cornell/mannlib/vitro/webapp/dao/jena/IndividualDaoJena.java
View file

@ -240,6 +240,7 @@ public class IndividualDaoJena extends JenaBaseDao implements IndividualDao {
}
private final boolean DONT_CHECK_UNIQUENESS=false;
private final boolean DO_CHECK_UNIQUENESS=true;
/**
* Inserts a new Individual into the knowledge base.
@ -247,28 +248,7 @@ public class IndividualDaoJena extends JenaBaseDao implements IndividualDao {
*/
public String insertNewIndividual(Individual ent, OntModel ontModel) throws InsertException {
String preferredURI = ent.getURI();
if (preferredURI == null) {
String namespace = (ent.getNamespace() != null) ? ent.getNamespace() : DEFAULT_NAMESPACE;
String localName = ent.getName();
if (localName == null) {
Random random = new Random(System.currentTimeMillis());
localName = "individual" + random.nextInt(Integer.MAX_VALUE);
} else {
localName = localName.replaceAll("\\W", "");
if (localName.length() < 2) {
localName = "individual" + ent.getName().hashCode();
} else if (Character.isDigit(localName.charAt(0))) {
localName = "n" + localName;
}
}
preferredURI = namespace + localName;
} else {
String errMsgStr = getWebappDaoFactory().checkURI(ent.getURI(),DONT_CHECK_UNIQUENESS); // turning off uniqueness check so cloning will work and use the _1 business below
if (errMsgStr != null) {
throw new InsertException(errMsgStr);
}
}
String preferredURI = getUnusedURI(ent);
String entURI = null;
@ -288,7 +268,7 @@ public class IndividualDaoJena extends JenaBaseDao implements IndividualDao {
int count = 0;
while (test != null) {
++count;
entURI = new String(preferredURI) + "_" + count;
entURI = new String(preferredURI) + count;
test = ontModel.getIndividual(entURI);
}
@ -1127,4 +1107,70 @@ public class IndividualDaoJena extends JenaBaseDao implements IndividualDao {
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 ) )
|| individual.getNamespace() == null
|| individual.getNamespace().length() == 0
|| DEFAULT_NAMESPACE.equals(individual.getNamespace()) ){
//we always want local names like n23423 for the default namespace
namespace = DEFAULT_NAMESPACE;
uri = null;
}else if( individual.getURI() != null ){
errMsg = getWebappDaoFactory().checkURI(individual.getURI());
if( errMsg == null){
uriIsGood = true;
uri = individual.getURI();
}else{
throw new InsertException(errMsg);
}
}else{
namespace = individual.getNamespace();
if( namespace == null || namespace.length() == 0 )
namespace = DEFAULT_NAMESPACE;
String localName = individual.getName();
/* try to use the specified namespace and local name */
if (localName != null) {
localName = localName.replaceAll("\\W", "");
localName = localName.replaceAll(":", "");
if (localName.length() > 2) {
if (Character.isDigit(localName.charAt(0))) {
localName = "n" + localName;
}
uri = namespace + localName;
errMsg = getWebappDaoFactory().checkURI(uri);
if( errMsg == null)
uriIsGood = true;
else
throw new InsertException(errMsg);
}
}
/* else try namespace + n2343 */
}
Random random = new Random(System.currentTimeMillis());
int attempts = 0;
while( uriIsGood == false && attempts < 30 ){
String localName = "n" + random.nextInt( Math.min(Integer.MAX_VALUE,(int)Math.pow(2,attempts + 13)) );
uri = namespace + localName;
errMsg = getWebappDaoFactory().checkURI(uri);
if( errMsg != null)
uri = null;
else
uriIsGood = true;
attempts++;
}
if( uri == null )
throw new InsertException("Could not create URI for individual: " + errMsg);
return uri;
}
}