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9103 anupam.sin 1 
/**
2 
 *
3 
 */
9269 amit.gupta 4 
package in.shop2020.mobileapi.serving.services;
9103 anupam.sin 5 
 
6 
 
7 
import in.shop2020.config.ConfigException;
9269 amit.gupta 8 
import in.shop2020.mobileapi.serving.controllers.SearchController;
9 
import in.shop2020.mobileapi.serving.utils.Utils;
9103 anupam.sin 10 
import in.shop2020.thrift.clients.config.ConfigClient;
11 
 
12 
import java.io.UnsupportedEncodingException;
11728 amit.gupta 13 
import java.net.URLDecoder;
9103 anupam.sin 14 
import java.net.URLEncoder;
15 
import java.util.ArrayList;
16 
import java.util.Arrays;
17 
import java.util.Collections;
18 
import java.util.HashMap;
19 
import java.util.HashSet;
20 
import java.util.Iterator;
21 
import java.util.LinkedHashMap;
22 
import java.util.LinkedList;
23 
import java.util.List;
24 
import java.util.Map;
25 
import java.util.Set;
26 
import java.util.TreeMap;
27 
import java.util.regex.Matcher;
28 
import java.util.regex.Pattern;
29 
 
30 
import javax.xml.xpath.XPath;
31 
import javax.xml.xpath.XPathConstants;
32 
import javax.xml.xpath.XPathExpressionException;
33 
import javax.xml.xpath.XPathFactory;
34 
 
35 
import org.apache.log4j.Logger;
36 
import org.w3c.dom.Node;
37 
import org.w3c.dom.NodeList;
38 
import org.xml.sax.InputSource;
39 
 
40 
 
41 
/**
42 
 * @author rajveer
43 
 *
44 
 */
45 
public class SolrSearchService {
46 
	/**
47 
	 *
48 
	 */
49 
	private static Logger log = Logger.getLogger(Class.class);
50 
	private HashMap<String, Double> dynamicPriceMap = null;
51 
 
52 
	/**
53 
	 *
54 
	 */
55 
	public static final String SOLR_URL;
56 
 
57 
	private static final Pattern FACET_PATTERN = Pattern.compile("(?=(F_\\d{5}))");
58 
 
59 
	private static final Map<String, List<String>> SORTED_FACET_VALUE_MAP = Collections.unmodifiableMap(
60 
			new HashMap<String, List<String>>(){
61 
				/**
62 
				 *
63 
				 */
64 
				private static final long serialVersionUID = 1L;
65 
				{
9406 amit.gupta 66 
					put("F_50007", Arrays.asList("Upto 2 Mpx", "2 - 5 Mpx", "5 - 10 Mpx", "Above 10 Mpx"));
67 
					put("F_50024", Arrays.asList("Upto 10 Mpx", "10 - 12 Mpx", "12 - 15 Mpx", "15 - 18 Mpx", "Above 18 Mpx"));
68 
					put("F_50025", Arrays.asList("Upto 4x", "4 - 6x", "6 - 10x", "10 - 14x", "14 - 18x", "Above 18x"));
69 
					put("F_50026", Arrays.asList("Below 2 in.", "2 to 2.9 in.", "3 to 3.9 in.", "Above 4 in."));
70 
					put("F_50032", Arrays.asList("Below 3 in.", "3 to 3.9 in.", "4 to 4.9 in.", "Above 5 in."));
71 
					put("F_50027", Arrays.asList("Upto 10 Mpx", "10 - 15 Mpx", "15 - 20 Mpx", "Above 20 Mpx"));
9103 anupam.sin 72 
				}
73 
		});
74 
	public static final Map<String, List<String>> CATEGORY_FACET_MAP = Collections.unmodifiableMap(
75 
			new HashMap<String, List<String>>(){
76 
				/**
77 
				 *
78 
				 */
79 
				private static final long serialVersionUID = 1L;
80 
				//Data Connectivity, Camera Resolution,Operating System,Screen Size
9406 amit.gupta 81 
				List<String> mobileFacets = Arrays.asList("F_50038", "F_50006", "F_50007", "F_50031", "F_50032");
9103 anupam.sin 82 
				//Camera Resolution,Operating System,Screen Size
9406 amit.gupta 83 
				List<String> tabletFacets = Arrays.asList("F_50037","F_50036", "F_50035", "F_50034");
9103 anupam.sin 84 
				//Operating System, Processor, Storage, RAM, Screen Size
85 
				List<String> laptopFacets = Arrays.asList("F_50013", "F_50014", "F_50015","F_50017", "F_50033");
86 
				//Resolution, Optical Zoon, Display Size
87 
				List<String> compactCameras = Arrays.asList("F_50024", "F_50025", "F_50026");
88 
				//Display Size
89 
				List<String> dslrCameras = Arrays.asList("F_50026");
90 
				//Capacity, Class
91 
				List<String> memoryCards = Arrays.asList("F_50018", "F_50019");
92 
				//Capacity
93 
				List<String> penDrives = Arrays.asList("F_50020");
94 
				//Capacity, Type, Interface
95 
				List<String> externalHardDisks = Arrays.asList("F_50021", "F_50022", "F_50023");
96 
				{
97 
					put(SearchController.getCategoryLabel(10001l), mobileFacets);
98 
					put(SearchController.getCategoryLabel(10006l), mobileFacets);
99 
					put(SearchController.getCategoryLabel(10009l), tabletFacets);
100 
					put(SearchController.getCategoryLabel(10010l), tabletFacets);
101 
					put(SearchController.getCategoryLabel(10013l), memoryCards);
102 
					put(SearchController.getCategoryLabel(10017l), penDrives);
103 
					put(SearchController.getCategoryLabel(10049l), laptopFacets);
104 
					put(SearchController.getCategoryLabel(10050l), laptopFacets);
105 
					put(SearchController.getCategoryLabel(10073l), externalHardDisks);
106 
					put(SearchController.getCategoryLabel(11002l), compactCameras);
107 
					put(SearchController.getCategoryLabel(11003l), dslrCameras);
108 
				}
109 
			});
110 
	static {
111 
		String solr_url = null;
112 
		try {
113 
			solr_url = ConfigClient.getClient().get("solr_url");
114 
		}catch(ConfigException cex){
115 
		    log.error("Unable to get the solr URL from the config server. Setting the default value.", cex);
116 
			solr_url = "http://localhost:8983/solr/select/";
117 
		}
118 
		SOLR_URL = solr_url;
119 
	}
120 
 
121 
	/**
122 
	 *
123 
	 */
124 
	private XPath xpath;
125 
 
126 
	/**
127 
	 *
128 
	 */
129 
	private InputSource inputSource;
130 
 
131 
	Map<String,Map<String,Integer>> facetMap;
132 
 
133 
	private String 	query;
134 
 
135 
	List<String> resultMap;
136 
 
137 
	long numberOfResults=0;
138 
 
139 
	String priceFacetName = "F_50002";
140 
 
9406 amit.gupta 141 
	List<String> filtrableFacets = new ArrayList<String>(Utils.rootfacetDefIDs);
9103 anupam.sin 142 
 
143 
	/**
144 
	 *
145 
	 * @param query
146 
	 * @param facetDefinitionIDs
147 
	 */
148 
	public SolrSearchService(String query, String[] facetqueries, long start, long rows,  Double minPrice, Double maxPrice, String sortOrder, long sourceId) {
149 
 
150 
		this.query = query;
151 
 
152 
		List<String> facetsQueried = new ArrayList<String>();
153 
		if(sourceId != -1){
154 
			priceFacetName = priceFacetName + "_" + sourceId;
155 
		}
156 
 
11728 amit.gupta 157 
		//sanitize all facet queries
11730 amit.gupta 158 
		if(facetqueries!=null) {
159 
			for(int i=0;i<facetqueries.length;i++){
160 
				try {
161 
					facetqueries[i] = URLDecoder.decode(facetqueries[i], "UTF-8");
162 
				} catch (UnsupportedEncodingException e) {
163 
					facetqueries = null;
164 
					e.printStackTrace();
165 
				}
11728 amit.gupta 166 
			}
167 
		}
9406 amit.gupta 168 
		this.filtrableFacets.remove(Utils.availabilityFacet);
169 
		this.filtrableFacets.add(Utils.availabilityFacet);
9103 anupam.sin 170 
 
171 
 
172 
		this.xpath = XPathFactory.newInstance().newXPath();
173 
 
174 
		query = query.trim().replaceAll("\\s+", " ");
175 
    	log.info("query=" + query);
176 
 
177 
		String uri = SOLR_URL + "?wt=xml&q=" + this.query;
178 
 
179 
		uri += "&stats=on&stats.field=" + priceFacetName;
180 
 
181 
		if(sortOrder != null){
182 
			//replace the price facet name, so that it can pick price for the source.
183 
			sortOrder = sortOrder.replace("F_50002", priceFacetName);
184 
			uri += "&sort=" + sortOrder;
185 
		}
186 
 
187 
		if(facetqueries != null) {
188 
			//sorting will guarantee all similar facets together so that we can assume or between all similar items without fail.
189 
			Arrays.sort(facetqueries);
190 
			String fq="";
191 
			for(int i=0; i<facetqueries.length; i++) {
192 
				String value = "";
193 
				String[] tokens = facetqueries[i].split(":");
194 
				try {
195 
					value = URLEncoder.encode(tokens[1], "UTF-8");
196 
				} catch (UnsupportedEncodingException e) {
197 
					// TODO Auto-generated catch block
198 
					e.printStackTrace();
199 
				}
200 
				if(facetsQueried.contains(tokens[0])) {
201 
					uri += " OR  " + tokens[0] + ":\"" + value + "\"";
202 
 
203 
				} else {
204 
					fq = "{!tag=dt" + facetsQueried.size() + "}";
205 
					facetsQueried.add(tokens[0]);
206 
					fq +=  tokens[0] + ":\"" + value + "\"";
207 
					uri += "&fq=" + fq;
208 
				}
209 
			}
210 
		}
9887 amit.gupta 211 
		uri = uri.replaceAll(" ", "%20");
9103 anupam.sin 212 
		String minString = "0";
213 
		String maxString = "*";
214 
		if(minPrice != null || maxPrice != null){
215 
			try {
9886 amit.gupta 216 
				log.info("Uri:" + uri);
9103 anupam.sin 217 
				dynamicPriceMap = getPriceStatsMap(new InputSource(uri));
218 
			} catch (Exception e){
219 
				e.printStackTrace();
220 
			}
221 
			if(minPrice != null){
222 
				minString = minPrice.toString();
223 
			}
224 
			if(maxPrice != null){
225 
				maxString = maxPrice.toString();
226 
			}
227 
		}
9269 amit.gupta 228 
		uri += "&fq=" + priceFacetName + ":["+  minString + "%20" + maxString + "]";
9103 anupam.sin 229 
		uri += "&fl=ID,Name&facet=true&start=" + start + "&rows=" + rows + "&facet.mincount=1";
230 
		for(String facetDefinitionID : filtrableFacets) {
231 
				if(facetsQueried.contains(facetDefinitionID)){
232 
					uri += "&facet.field={!ex=dt" + facetsQueried.indexOf(facetDefinitionID)+ "}"+ facetDefinitionID;
233 
				} else {
234 
					uri += "&facet.field=" + facetDefinitionID;
235 
				}
236 
		}
237 
		log.info("uri=" + uri);
238 
 
239 
		this.inputSource = new InputSource(uri);
240 
 
241 
		this.facetMap = getFacetMap();
242 
	}
243 
 
244 
	@SuppressWarnings("unchecked")
245 
	private void setFilterableFacets(String[] facetqueries) {
246 
		List<String> queriedFacets = getAllMatches(this.query);
9406 amit.gupta 247 
		if(facetqueries != null && facetqueries.length!=0) {
9103 anupam.sin 248 
			String facetString = Arrays.toString(facetqueries);
249 
			List<String> filteredFacets = getAllMatches(facetString);
250 
			if(filteredFacets.contains("F_50011")){
251 
				for(String facetQuery : facetqueries) {
252 
					if(facetQuery.contains("F_50011")){
253 
						String facetVal = facetQuery.split(":")[1];
254 
						if(CATEGORY_FACET_MAP.containsKey(facetVal)){
9406 amit.gupta 255 
							this.filtrableFacets.addAll(CATEGORY_FACET_MAP.get(facetVal));
9103 anupam.sin 256 
							return;
257 
						} else {
258 
							break;
259 
						}
260 
					}
261 
				}
262 
			}
263 
			if(filteredFacets.contains("F_50010")){
264 
				for(String facetQuery : facetqueries) {
265 
					if(facetQuery.contains("F_50010")){
266 
						String facetVal = facetQuery.split(":")[1];
267 
						if(CATEGORY_FACET_MAP.containsKey(facetVal)){
268 
							return;
269 
						} else {
270 
							break;
271 
						}
272 
					}
273 
				}
274 
			}
275 
		}
276 
		if(queriedFacets.contains("F_50011")) {
9406 amit.gupta 277 
			String facetVal = this.query.split("F_50011:")[1].split("&")[0].replaceAll("[\"()]", "");
9103 anupam.sin 278 
			if (facetVal.contains(" OR ")) {
279 
				return;
280 
			} else if(CATEGORY_FACET_MAP.containsKey(facetVal)){
9406 amit.gupta 281 
				//facetVal = facetVal.split("&")[0].replaceAll("[\"()]", "");
282 
					this.filtrableFacets.addAll(CATEGORY_FACET_MAP.get(facetVal));
9103 anupam.sin 283 
					return;
9406 amit.gupta 284 
			} else {
285 
				return;
286 
			}
9103 anupam.sin 287 
		}
288 
		if(queriedFacets.contains("F_50010")){
9406 amit.gupta 289 
			String facetVal = this.query.split("F_50010:")[1].split("&")[0].replaceAll("[\"()]", "");
9103 anupam.sin 290 
			if (facetVal.contains(" OR ")) {
291 
				return;
292 
			} else if(CATEGORY_FACET_MAP.containsKey(facetVal)){
9406 amit.gupta 293 
					this.filtrableFacets.addAll(CATEGORY_FACET_MAP.get(facetVal));
9103 anupam.sin 294 
					return;
9406 amit.gupta 295 
			} else {
296 
				return;
9103 anupam.sin 297 
			}
298 
		}
299 
	}
300 
 
301 
	public List<String> getFilterableFacets() {
302 
		return this.filtrableFacets;
303 
	}
304 
 
305 
	public Map<String,Map<String,Integer>> removeUnwantedFacets(Map<String,Map<String,Integer>> facetMap, long numberOfResults){
306 
 
307 
		Set<String> facetsInQuery = new HashSet<String>(getAllMatches(this.query));
308 
		Map<String,Map<String,Integer>> tempFacets = new TreeMap<String, Map<String,Integer>>();
309 
		for(String facet : facetMap.keySet()){
310 
			if(facetMap.get(facet).size() > 0 && !facetsInQuery.contains(facet)){
311 
				Map<String,Integer> tempMap = new LinkedHashMap<String, Integer>();
312 
 
313 
				for(String facetValueName : facetMap.get(facet).keySet()){
314 
					//if(facetMap.get(facet).get(facetValueName) != 0 && facetMap.get(facet).get(facetValueName) != numberOfResults){
315 
						tempMap.put(facetValueName, facetMap.get(facet).get(facetValueName));
316 
					//}
317 
				}
318 
				if(!tempMap.isEmpty()){
319 
					tempFacets.put(facet, tempMap);
320 
				}
321 
			}
322 
		}
323 
		/*if(tempFacets.containsKey("F_50010")){
324 
			tempFacets.remove("F_50011");
325 
		}*/
326 
 
327 
		return tempFacets;
328 
	}
329 
 
330 
	public Map<String,Integer> getFacetDetails(String facetName){
331 
		if(facetMap != null){
332 
			return facetMap.get(facetName);
333 
		}else{
334 
			return null;
335 
		}
336 
	}
337 
 
338 
	public Map<String,Map<String,Integer>> getFacetMap() {
339 
		facetMap = new TreeMap<String,Map<String,Integer>>();
340 
 
341 
		String facetNamePath = "/response/lst/lst[@name = 'facet_fields']/lst";
342 
 
343 
		NodeList nodes = null;
344 
		try {
345 
			nodes = (NodeList) this.xpath.evaluate(facetNamePath, this.inputSource, XPathConstants.NODESET);
346 
		}
347 
		catch (XPathExpressionException xpee) {
348 
			return null;
349 
		}
350 
 
351 
		if(nodes.getLength() == 0) {
352 
			return null;
353 
		}
354 
 
355 
		NodeList subNodes = null;
356 
 
357 
		for(int i=0; i<nodes.getLength(); i++) {
358 
			Node node = nodes.item(i);
359 
			String facetName = node.getAttributes().getNamedItem("name").getNodeValue();
360 
			subNodes = node.getChildNodes();
361 
			Map<String,Integer> facetValueCountMap = new LinkedHashMap<String,Integer>();
362 
			for(int j=0; j<subNodes.getLength(); j++) {
363 
				Node subNode = subNodes.item(j);
364 
				facetValueCountMap.put(subNode.getAttributes().getNamedItem("name").getNodeValue(), Integer.parseInt(subNode.getTextContent()));
365 
			}
366 
			if(SORTED_FACET_VALUE_MAP.containsKey(facetName)){
367 
				List<String> orderedValues = SORTED_FACET_VALUE_MAP.get(facetName);
368 
				Map<String, Integer> sortedMap = new LinkedHashMap<String, Integer>();
369 
			    for (Iterator<String> it = orderedValues.iterator(); it.hasNext();) {
370 
			    	String val = it.next();
371 
			        if(facetValueCountMap.containsKey(val)) {
372 
			        	sortedMap.put(val, facetValueCountMap.get(val));
373 
			        }
374 
			    }
375 
			    facetMap.put(facetName, sortedMap);
376 
			} else {
377 
				facetMap.put(facetName, facetValueCountMap);
378 
			}
379 
		}
380 
		this.numberOfResults  = this.getTotalResults();
11306 amit.gupta 381 
		log.info("FacetMap before:" + facetMap);
9103 anupam.sin 382 
		facetMap = removeUnwantedFacets(facetMap, numberOfResults);
11306 amit.gupta 383 
		log.info("FacetMap after:" + facetMap);
9103 anupam.sin 384 
		return facetMap;
385 
	}
386 
 
387 
	public List<String> getResultMap() {
388 
		resultMap = new LinkedList<String>();
389 
 
390 
		String resultDocsPath = "/response/result/doc";
391 
 
392 
 
393 
		NodeList nodes = null;
394 
		try {
395 
			nodes = (NodeList) this.xpath.evaluate(resultDocsPath, this.inputSource, XPathConstants.NODESET);
396 
		}
397 
		catch (XPathExpressionException xpee) {
11315 amit.gupta 398 
			return resultMap;
9103 anupam.sin 399 
		}
400 
 
401 
		if(nodes.getLength() == 0) {
11315 amit.gupta 402 
			return resultMap;
9103 anupam.sin 403 
		}
404 
 
405 
		for(int i=0; i<nodes.getLength(); i++) {
406 
			Node node = nodes.item(i);
407 
			String docID = node.getFirstChild().getTextContent();
408 
			resultMap.add(docID);
409 
 		}
410 
		return resultMap;
411 
	}
412 
 
413 
	public HashMap<String, Double> getPriceStatsMap() {
414 
		return this.getPriceStatsMap(this.inputSource);
415 
	}
416 
 
417 
	public HashMap<String, Double> getPriceStatsMap(InputSource inputSource) {
418 
		HashMap<String, Double> priceStatsMap = new HashMap<String, Double>();
419 
 
420 
		String resultDocsPath = "/response/lst[@name = 'stats']/lst[@name = 'stats_fields']/lst[@name = '" + priceFacetName + "']";
421 
 
422 
 
423 
		NodeList nodes = null;
424 
		try {
425 
			nodes = (NodeList) this.xpath.evaluate(resultDocsPath, inputSource, XPathConstants.NODESET);
426 
		}
427 
		catch (XPathExpressionException xpee) {
428 
			return null;
429 
		}
430 
 
431 
		if(nodes.getLength() == 0) {
432 
			return null;
433 
		}
434 
 
435 
		NodeList subNodes = nodes.item(0).getChildNodes();
436 
 
437 
		for(int i=0; i<subNodes.getLength(); i++) {
438 
			Node node = subNodes.item(i);
439 
 
440 
			String parameter = node.getAttributes().getNamedItem("name").getNodeValue();
441 
			String value = node.getTextContent();
442 
			priceStatsMap.put(parameter, Double.parseDouble(value));
443 
 		}
444 
		return priceStatsMap;
445 
	}
446 
 
447 
	public HashMap<String,Integer> getRangeQueryResultMap() {
448 
		HashMap<String, Integer> rangeQueryResultMap = new HashMap<String,Integer>();
449 
 
450 
		String resultDocsPath = "/response/lst[@name = 'facet_counts']/lst[@name = 'facet_queries']/int";
451 
 
452 
 
453 
		NodeList nodes = null;
454 
		try {
455 
			nodes = (NodeList) this.xpath.evaluate(resultDocsPath, this.inputSource, XPathConstants.NODESET);
456 
		}
457 
		catch (XPathExpressionException xpee) {
458 
			return null;
459 
		}
460 
 
461 
		if(nodes.getLength() == 0) {
462 
			return null;
463 
		}
464 
 
465 
 
466 
		for(int i=0; i<nodes.getLength(); i++) {
467 
			Node node = nodes.item(i);
468 
 
469 
			String query = node.getAttributes().getNamedItem("name").getNodeValue();
470 
			String docCount = node.getTextContent();
471 
 
472 
			rangeQueryResultMap.put(query,Integer.parseInt(docCount));
473 
 		}
474 
		return rangeQueryResultMap;
475 
 
476 
	}
477 
 
478 
	/**
479 
	 *
480 
	 */
481 
	public long getTotalResults(){
482 
		String resultDocsPath = "/response/result";
483 
		NodeList nodes = null;
484 
		try {
485 
			nodes = (NodeList) this.xpath.evaluate(resultDocsPath, this.inputSource, XPathConstants.NODESET);
486 
		}
487 
		catch (XPathExpressionException xpee) {
488 
			return 0;
489 
		}
490 
 
491 
		Node node = nodes.item(0);
492 
 
493 
		return Long.parseLong(node.getAttributes().getNamedItem("numFound").getNodeValue());
494 
 
495 
	}
496 
		/**
497 
	 *
498 
	 * @return
499 
	 */
500 
	public long[] getResultEntityIDs() {
501 
		String expression = "/response/result/doc/long";
502 
 
503 
		NodeList nodes = null;
504 
		try {
505 
			nodes = (NodeList) this.xpath.evaluate(expression, this.inputSource,
506 
					XPathConstants.NODESET);
507 
		}
508 
		catch(XPathExpressionException xpee) {
509 
			return null;
510 
		}
511 
 
512 
		if(nodes.getLength() == 0) {
513 
			return null;
514 
		}
515 
 
516 
		long[] values = new long[nodes.getLength()];
517 
		for(int i=0; i<nodes.getLength(); i++) {
518 
			Node node = nodes.item(i);
519 
			String value = node.getTextContent();
520 
			values[i] = Long.parseLong(value);
521 
 		}
522 
 
523 
		return values;
524 
	}
525 
 
526 
	/**
527 
	 *
528 
	 * @return
529 
	 */
530 
	public String[] getResultCategoryNames() {
531 
		String expression = "/response/lst/lst[@name = 'facet_fields']/";
532 
		expression += "lst[@name = 'Category']/int/@name";
533 
 
534 
		NodeList nodes = null;
535 
		try {
536 
			nodes = (NodeList) this.xpath.evaluate(expression,
537 
				this.inputSource, XPathConstants.NODESET);
538 
		}
539 
		catch (XPathExpressionException xpee) {
540 
			return null;
541 
		}
542 
 
543 
		if(nodes.getLength() == 0) {
544 
			return null;
545 
		}
546 
 
547 
		String[] values = new String[nodes.getLength()];
548 
		for(int i=0; i<nodes.getLength(); i++) {
549 
			Node node = nodes.item(i);
550 
			values[i] = node.getTextContent();
551 
 		}
552 
 
553 
		return values;
554 
	}
555 
 
556 
	/**
557 
	 *
558 
	 * @return
559 
	 */
560 
	public int[] getResultCategoryCounts() {
561 
		String expression = "/response/lst/lst[@name = 'facet_fields']/";
562 
		expression += "lst[@name = 'Category']/int";
563 
 
564 
		NodeList nodes = null;
565 
		try {
566 
			nodes = (NodeList) this.xpath.evaluate(expression,
567 
				this.inputSource, XPathConstants.NODESET);
568 
		}
569 
		catch (XPathExpressionException xpee) {
570 
			return null;
571 
		}
572 
 
573 
		if(nodes.getLength() == 0) {
574 
			return null;
575 
		}
576 
 
577 
		int[] values = new int[nodes.getLength()];
578 
		for(int i=0; i<nodes.getLength(); i++) {
579 
			Node node = nodes.item(i);
580 
			values[i] = Integer.parseInt(node.getTextContent());
581 
 		}
582 
 
583 
		return values;
584 
	}
585 
 
586 
	/**
587 
	 *
588 
	 * @return
589 
	 */
590 
	public String[]  getResultEntityNames() {
591 
		String expression = "/response/result/doc/str";
592 
 
593 
		NodeList nodes = null;
594 
		try {
595 
			nodes = (NodeList) this.xpath.evaluate(expression, this.inputSource,
596 
					XPathConstants.NODESET);
597 
		}
598 
		catch(XPathExpressionException xpee) {
599 
			return null;
600 
		}
601 
 
602 
		if(nodes.getLength() == 0) {
603 
			return null;
604 
		}
605 
 
606 
		String[] values = new String[nodes.getLength()];
607 
		for(int i=0; i<nodes.getLength(); i++) {
608 
			Node node = nodes.item(i);
609 
			String value = node.getTextContent();
610 
			values[i] = value;
611 
 		}
612 
 
613 
		return values;
614 
	}
615 
 
616 
	/**
617 
	 *
618 
	 * @param facetDefinitionID
619 
	 * @return
620 
	 */
621 
	public String[] getFacetValues(String facetDefinitionID) {
622 
		String expression = "/response/lst/lst[@name = 'facet_fields']/";
623 
		expression += "lst[@name = '"+ facetDefinitionID +"']/int/@name";
624 
 
625 
		NodeList nodes = null;
626 
		try {
627 
			nodes = (NodeList) this.xpath.evaluate(expression,
628 
				this.inputSource, XPathConstants.NODESET);
629 
		}
630 
		catch (XPathExpressionException xpee) {
631 
			return null;
632 
		}
633 
 
634 
		if(nodes.getLength() == 0) {
635 
			return null;
636 
		}
637 
 
638 
		String[] values = new String[nodes.getLength()];
639 
		for(int i=0; i<nodes.getLength(); i++) {
640 
			Node node = nodes.item(i);
641 
			values[i] = node.getTextContent();
642 
		}
643 
 
644 
		return values;
645 
	}
646 
 
647 
	/**
648 
	 *
649 
	 * @param facetDefinitionID
650 
	 * @return
651 
	 */
652 
	public String[] getFacetCounts(String facetDefinitionID) {
653 
		String expression = "/response/lst/lst[@name = 'facet_fields']/";
654 
		expression += "lst[@name = '" + facetDefinitionID + "']/int";
655 
 
656 
		NodeList nodes = null;
657 
		try {
658 
			nodes = (NodeList) this.xpath.evaluate(expression,
659 
				this.inputSource, XPathConstants.NODESET);
660 
		}
661 
		catch (XPathExpressionException xpee) {
662 
			return null;
663 
		}
664 
 
665 
		if(nodes.getLength() == 0) {
666 
			return null;
667 
		}
668 
 
669 
		String[] values = new String[nodes.getLength()];
670 
		for(int i=0; i<nodes.getLength(); i++) {
671 
			Node node = nodes.item(i);
672 
			values[i] = node.getTextContent();
673 
 		}
674 
 
675 
		return values;
676 
	}
677 
 
678 
	public static void main(String[] args){
679 
		/*
680 
    	// Hard coded for now
681 
    	String[] facetDefIDs = new String[] {"F_50001", "F_50002", "F_50003", "F_50004", "F_50005", "F_50006", "F_50007", "F_50008", "F_50009"};
682 
 
683 
    	// Hard-coded for now
684 
    	String[] facetLabels = new String[] {
685 
	    	"Brand", "Price","Form Factor", "Carry In Pocket", "Cellular Technologies",
686 
	    	"Data Connectivity", "Camera Resolution", "Built-in Memory",
687 
	    	"Talk time"
688 
    	};
689 
 
690 
		 */
691 
    	String[] facetDefIDs = new String[] {"Category","F_50002","F_50001",  "F_50006", "F_50007" };
692 
    	//String[] facetLabels = new String[] {"Category","Price", "Brand", "Data Connectivity", "Camera Resolution"	};
693 
 
694 
 
695 
    	String[] fqrys = {};
696 
		SolrSearchService search = new SolrSearchService("nokia", fqrys, 0 , 20, null, null, null, -1);
697 
 
698 
    	long[] entityIDs = search.getResultEntityIDs();
699 
    	log.info("entityIDs=" + Arrays.toString(entityIDs));
700 
 
701 
    	String[] entityNames = search.getResultEntityNames();
702 
    	log.info("entityNames=" + Arrays.toString(entityNames));
703 
    	search.getFacetMap();
704 
 
705 
    	search.getResultMap();
706 
    	search.getRangeQueryResultMap();
707 
    	search.getPriceStatsMap(new InputSource());
708 
    	search.getTotalResults();
709 
       	for (int i=0; i<facetDefIDs.length; i++) {
710 
       		search.getFacetCounts(facetDefIDs[i]);
711 
       		search.getFacetValues(facetDefIDs[i]);
712 
       	}
713 
 
714 
	}
715 
 
716 
 
717 
    public static List<String> getAllMatches(String text) {
718 
        List<String> matches = new ArrayList<String>();
719 
        Matcher m = FACET_PATTERN.matcher(text);
720 
        while(m.find()) {
721 
            matches.add(m.group(1));
722 
        }
723 
        return matches;
724 
    }
725 
 
726 
    public Map<String, Double> getDynamicPriceMap() {
727 
    	return this.dynamicPriceMap;
728 
    }
729 
 
730 
}