+package org.argeo.cms.jcr.acr.search;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+import javax.jcr.query.Query;
+import javax.jcr.query.QueryManager;
+import javax.jcr.query.qom.DynamicOperand;
+import javax.jcr.query.qom.QueryObjectModelConstants;
+import javax.jcr.query.qom.QueryObjectModelFactory;
+import javax.jcr.query.qom.Selector;
+import javax.jcr.query.qom.StaticOperand;
+import javax.xml.namespace.QName;
+
+import org.argeo.api.acr.NamespaceUtils;
+import org.argeo.api.acr.search.BasicSearch;
+import org.argeo.api.acr.search.Constraint;
+import org.argeo.api.acr.search.ContentFilter;
+import org.argeo.api.acr.search.ContentFilter.Eq;
+import org.argeo.api.acr.search.ContentFilter.IsContentClass;
+import org.argeo.api.acr.search.ContentFilter.Not;
+
+public class JcrBasicSearch {
+ private Session session;
+ private QueryManager queryManager;
+ private BasicSearch basicSearch;
+ QueryObjectModelFactory factory;
+
+ QName contentClass = null;
+
+ String selectorName = "content";
+
+ public JcrBasicSearch(Session session, BasicSearch basicSearch, String relPath) throws RepositoryException {
+ this.queryManager = session.getWorkspace().getQueryManager();
+ this.basicSearch = basicSearch;
+ factory = queryManager.getQOMFactory();
+ }
+
+ public Query createQuery() throws RepositoryException {
+ ContentFilter<?> where = basicSearch.getWhere();
+ // scan for content classes
+ // TODO deal with complex cases of multiple types
+
+ javax.jcr.query.qom.Constraint qomConstraint = toQomConstraint(where);
+ if (contentClass == null)
+ throw new IllegalArgumentException("No content class specified");
+
+ Selector source = factory.selector(NamespaceUtils.toPrefixedName(contentClass), selectorName);
+
+ return factory.createQuery(source, qomConstraint, null, null);
+ }
+
+ private javax.jcr.query.qom.Constraint toQomConstraint(Constraint constraint) throws RepositoryException {
+ javax.jcr.query.qom.Constraint qomConstraint;
+ if (constraint instanceof ContentFilter<?> where) {
+ List<Constraint> constraints = new ArrayList<>();
+ for (Constraint c : where.getConstraints()) {
+ if (c instanceof IsContentClass icc) {
+ if (icc.getContentClasses().length > 1 || contentClass != null)
+ throw new IllegalArgumentException("Multiple content class is not supported");
+ contentClass = icc.getContentClasses()[0];
+ } else {
+ constraints.add(c);
+ }
+ }
+
+ if (constraints.isEmpty()) {
+ qomConstraint = null;
+ } else if (constraints.size() == 1) {
+ qomConstraint = toQomConstraint(constraints.get(0));
+ } else {
+ javax.jcr.query.qom.Constraint currQomConstraint = toQomConstraint(constraints.get(0));
+ for (int i = 1; i < constraints.size(); i++) {
+ Constraint c = constraints.get(i);
+ if (where.isUnion()) {
+ currQomConstraint = factory.or(currQomConstraint, toQomConstraint(c));
+ } else {
+ currQomConstraint = factory.and(currQomConstraint, toQomConstraint(c));
+ }
+ }
+ qomConstraint = currQomConstraint;
+ }
+
+ } else if (constraint instanceof Eq comp) {
+ DynamicOperand dynamicOperand = factory.propertyValue(selectorName,
+ NamespaceUtils.toPrefixedName(comp.getProp()));
+ // TODO better convert attribute value
+ StaticOperand staticOperand = factory
+ .literal(session.getValueFactory().createValue(comp.getValue().toString()));
+ qomConstraint = factory.comparison(dynamicOperand, QueryObjectModelConstants.JCR_OPERATOR_EQUAL_TO,
+ staticOperand);
+ } else if (constraint instanceof Not not) {
+ qomConstraint = factory.not(toQomConstraint(not.getNegated()));
+ } else {
+ throw new IllegalArgumentException("Constraint " + constraint.getClass() + " is not supported");
+ }
+ return qomConstraint;
+ }
+}