SavedQueryPredicate.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.jcr.Session
* javax.jcr.query.Row
* org.apache.felix.scr.annotations.Component
* org.apache.felix.scr.annotations.Reference
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.day.cq.search.eval;
import com.day.cq.search.Predicate;
import com.day.cq.search.PredicateGroup;
import com.day.cq.search.Query;
import com.day.cq.search.QueryBuilder;
import com.day.cq.search.eval.EvaluationContext;
import com.day.cq.search.eval.PredicateGroupEvaluator;
import javax.jcr.Session;
import javax.jcr.query.Row;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Component(metatype=0, factory="com.day.cq.search.eval.PredicateEvaluator/savedquery")
public class SavedQueryPredicate
extends PredicateGroupEvaluator {
private static final Logger log = LoggerFactory.getLogger(SavedQueryPredicate.class);
public static final String SAVED_QUERY = "savedquery";
@Reference
public QueryBuilder queryBuilder;
@Override
public String getXPathExpression(Predicate p, EvaluationContext context) {
PredicateGroup group = this.getSavedPredicates(p, context);
if (group != null) {
return super.getXPathExpression(group, context);
}
return null;
}
@Override
public boolean includes(Predicate p, Row row, EvaluationContext context) {
PredicateGroup group = this.getSavedPredicates(p, context);
if (group != null) {
return super.includes(group, row, context);
}
return true;
}
@Override
public boolean canXpath(Predicate p, EvaluationContext context) {
PredicateGroup group = this.getSavedPredicates(p, context);
if (group != null) {
return super.canXpath(group, context);
}
return false;
}
@Override
public boolean canFilter(Predicate p, EvaluationContext context) {
PredicateGroup group = this.getSavedPredicates(p, context);
if (group != null) {
return super.canFilter(group, context);
}
return false;
}
protected String getEvalContextKey(Predicate p) {
return p.getPath() + ".savedquery";
}
protected PredicateGroup getSavedPredicates(Predicate p, EvaluationContext context) {
if (!p.hasNonEmptyValue("savedquery")) {
return null;
}
String key = this.getEvalContextKey(p);
PredicateGroup group = null;
Object obj = context.get(key);
if (obj == null) {
group = this.loadPredicates(p.get("savedquery"), context.getSession());
if (group == null) {
context.put(key, new Object());
} else {
context.put(key, group);
}
} else if (obj instanceof PredicateGroup) {
group = (PredicateGroup)obj;
}
return group;
}
protected PredicateGroup loadPredicates(String path, Session session) {
try {
Query query = this.queryBuilder.loadQuery(path, session);
if (query == null) {
log.warn("No saved query found at '" + path + "'");
return null;
}
return query.getPredicates();
}
catch (Exception e) {
log.error("Could not load query from '" + path + "'", (Throwable)e);
return null;
}
}
protected void bindQueryBuilder(QueryBuilder queryBuilder) {
this.queryBuilder = queryBuilder;
}
protected void unbindQueryBuilder(QueryBuilder queryBuilder) {
if (this.queryBuilder == queryBuilder) {
this.queryBuilder = null;
}
}
}