QueryBuilderJsonServlet.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* javax.jcr.RepositoryException
* javax.jcr.Session
* javax.servlet.Servlet
* javax.servlet.ServletException
* org.apache.felix.scr.annotations.Component
* org.apache.felix.scr.annotations.Properties
* org.apache.felix.scr.annotations.Property
* org.apache.felix.scr.annotations.Reference
* org.apache.felix.scr.annotations.Service
* org.apache.sling.api.SlingHttpServletRequest
* org.apache.sling.api.SlingHttpServletResponse
* org.apache.sling.api.resource.ResourceResolver
* org.apache.sling.api.servlets.SlingAllMethodsServlet
* org.apache.sling.commons.json.JSONException
* org.apache.sling.commons.json.io.JSONWriter
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.day.cq.search.impl.servlets;
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.facets.Bucket;
import com.day.cq.search.facets.Facet;
import com.day.cq.search.impl.builder.QueryBuilderImpl;
import com.day.cq.search.result.Hit;
import com.day.cq.search.result.SearchResult;
import com.day.cq.search.writer.ResultHitWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Dictionary;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Properties;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.apache.sling.commons.json.JSONException;
import org.apache.sling.commons.json.io.JSONWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@Component(metatype=0)
@Service(value={Servlet.class})
@Properties(value={@Property(name="sling.servlet.paths", value={"/bin/querybuilder.json"})})
public class QueryBuilderJsonServlet
extends SlingAllMethodsServlet {
private static Logger log = LoggerFactory.getLogger(QueryBuilderJsonServlet.class);
private static final String DEFAULT_HIT_WRITER = "simple";
@Reference
protected QueryBuilder queryBuilder;
protected void doGet(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
this.handleQuery(request, response);
}
protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response) throws ServletException, IOException {
this.handleQuery(request, response);
}
private void handleQuery(SlingHttpServletRequest request, SlingHttpServletResponse response) throws IOException, ServletException {
response.setContentType("application/json");
response.setCharacterEncoding("utf-8");
Session session = (Session)request.getResourceResolver().adaptTo(Session.class);
Query query = this.queryBuilder.createQuery(PredicateGroup.create(request.getParameterMap()), session);
SearchResult result = query.getResult();
try {
PrintWriter out = response.getWriter();
JSONWriter writer = new JSONWriter((Writer)out);
writer.object();
writer.key("success").value(true);
writer.key("results").value((long)result.getHits().size());
writer.key("total").value(result.getTotalMatches());
writer.key("more").value(result.hasMore());
writer.key("offset").value(result.getStartIndex());
writer.key("hits").array();
this.writeHits(result, writer, query);
writer.endArray();
if (query.getPredicates().getBool("facets")) {
writer.key("facets").object();
Map<String, Facet> facets = result.getFacets();
for (String key : facets.keySet()) {
Facet facet = facets.get(key);
if (!facet.getContainsHit()) continue;
writer.key(key).array();
for (Bucket bucket : facet.getBuckets()) {
writer.object();
this.writeBucket(bucket, query, writer);
writer.endObject();
}
writer.endArray();
}
writer.endObject();
}
writer.endObject();
}
catch (JSONException e) {
throw new ServletException("Error creating querybuilder json response", (Throwable)e);
}
catch (RepositoryException e) {
throw new ServletException("Error reading result of querybuilder", (Throwable)e);
}
}
/*
* WARNING - Removed try catching itself - possible behaviour change.
*/
private void writeHits(SearchResult result, JSONWriter writer, Query query) throws JSONException, RepositoryException {
QueryBuilderImpl qb = (QueryBuilderImpl)this.queryBuilder;
PredicateGroup p = query.getPredicates();
String name = p.get("hits", p.get("hitwriter", "simple"));
ResultHitWriter hitWriter = qb.getComponent(ResultHitWriter.class, name, null);
if (hitWriter == null) {
log.warn("No ResultHitWriter found under '" + name + "', using default hit writer");
hitWriter = qb.getComponent(ResultHitWriter.class, "simple", null);
if (hitWriter == null) {
log.error("Could not get default hit writer");
return;
}
}
try {
for (Hit hit : result.getHits()) {
writer.object();
hitWriter.write(hit, writer, query);
writer.endObject();
}
}
finally {
qb.releaseComponent(hitWriter);
}
}
private void writeBucket(Bucket bucket, Query query, JSONWriter writer) throws JSONException {
writer.key("value").value((Object)bucket.getValue());
writer.key("count").value(bucket.getCount());
writer.key("predicate").object();
Map<String, String> map = bucket.getPredicate().getParameters();
for (String k : map.keySet()) {
writer.key(k).value((Object)map.get(k));
}
writer.endObject();
Query newQuery = query.refine(bucket);
writer.key("query").value((Object)newQuery.getPredicates().toURL());
}
protected void bindQueryBuilder(QueryBuilder queryBuilder) {
this.queryBuilder = queryBuilder;
}
protected void unbindQueryBuilder(QueryBuilder queryBuilder) {
if (this.queryBuilder == queryBuilder) {
this.queryBuilder = null;
}
}
}