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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;
12143 amit.gupta 51 
	private boolean isPrivateDealUser = false;
9103 anupam.sin 52 
 
53 
	/**
54 
	 *
55 
	 */
56 
	public static final String SOLR_URL;
57 
 
58 
	private static final Pattern FACET_PATTERN = Pattern.compile("(?=(F_\\d{5}))");
59 
 
60 
	private static final Map<String, List<String>> SORTED_FACET_VALUE_MAP = Collections.unmodifiableMap(
61 
			new HashMap<String, List<String>>(){
62 
				/**
63 
				 *
64 
				 */
65 
				private static final long serialVersionUID = 1L;
66 
				{
9406 amit.gupta 67 
					put("F_50007", Arrays.asList("Upto 2 Mpx", "2 - 5 Mpx", "5 - 10 Mpx", "Above 10 Mpx"));
68 
					put("F_50024", Arrays.asList("Upto 10 Mpx", "10 - 12 Mpx", "12 - 15 Mpx", "15 - 18 Mpx", "Above 18 Mpx"));
69 
					put("F_50025", Arrays.asList("Upto 4x", "4 - 6x", "6 - 10x", "10 - 14x", "14 - 18x", "Above 18x"));
70 
					put("F_50026", Arrays.asList("Below 2 in.", "2 to 2.9 in.", "3 to 3.9 in.", "Above 4 in."));
71 
					put("F_50032", Arrays.asList("Below 3 in.", "3 to 3.9 in.", "4 to 4.9 in.", "Above 5 in."));
72 
					put("F_50027", Arrays.asList("Upto 10 Mpx", "10 - 15 Mpx", "15 - 20 Mpx", "Above 20 Mpx"));
9103 anupam.sin 73 
				}
74 
		});
75 
	public static final Map<String, List<String>> CATEGORY_FACET_MAP = Collections.unmodifiableMap(
76 
			new HashMap<String, List<String>>(){
77 
				/**
78 
				 *
79 
				 */
80 
				private static final long serialVersionUID = 1L;
81 
				//Data Connectivity, Camera Resolution,Operating System,Screen Size
9406 amit.gupta 82 
				List<String> mobileFacets = Arrays.asList("F_50038", "F_50006", "F_50007", "F_50031", "F_50032");
9103 anupam.sin 83 
				//Camera Resolution,Operating System,Screen Size
9406 amit.gupta 84 
				List<String> tabletFacets = Arrays.asList("F_50037","F_50036", "F_50035", "F_50034");
9103 anupam.sin 85 
				//Operating System, Processor, Storage, RAM, Screen Size
86 
				List<String> laptopFacets = Arrays.asList("F_50013", "F_50014", "F_50015","F_50017", "F_50033");
87 
				//Resolution, Optical Zoon, Display Size
88 
				List<String> compactCameras = Arrays.asList("F_50024", "F_50025", "F_50026");
89 
				//Display Size
90 
				List<String> dslrCameras = Arrays.asList("F_50026");
91 
				//Capacity, Class
92 
				List<String> memoryCards = Arrays.asList("F_50018", "F_50019");
93 
				//Capacity
94 
				List<String> penDrives = Arrays.asList("F_50020");
95 
				//Capacity, Type, Interface
96 
				List<String> externalHardDisks = Arrays.asList("F_50021", "F_50022", "F_50023");
97 
				{
98 
					put(SearchController.getCategoryLabel(10001l), mobileFacets);
99 
					put(SearchController.getCategoryLabel(10006l), mobileFacets);
100 
					put(SearchController.getCategoryLabel(10009l), tabletFacets);
101 
					put(SearchController.getCategoryLabel(10010l), tabletFacets);
102 
					put(SearchController.getCategoryLabel(10013l), memoryCards);
103 
					put(SearchController.getCategoryLabel(10017l), penDrives);
104 
					put(SearchController.getCategoryLabel(10049l), laptopFacets);
105 
					put(SearchController.getCategoryLabel(10050l), laptopFacets);
106 
					put(SearchController.getCategoryLabel(10073l), externalHardDisks);
107 
					put(SearchController.getCategoryLabel(11002l), compactCameras);
108 
					put(SearchController.getCategoryLabel(11003l), dslrCameras);
109 
				}
110 
			});
111 
	static {
112 
		String solr_url = null;
113 
		try {
114 
			solr_url = ConfigClient.getClient().get("solr_url");
115 
		}catch(ConfigException cex){
116 
		    log.error("Unable to get the solr URL from the config server. Setting the default value.", cex);
117 
			solr_url = "http://localhost:8983/solr/select/";
118 
		}
119 
		SOLR_URL = solr_url;
120 
	}
121 
 
122 
	/**
123 
	 *
124 
	 */
125 
	private XPath xpath;
126 
 
127 
	/**
128 
	 *
129 
	 */
130 
	private InputSource inputSource;
131 
 
132 
	Map<String,Map<String,Integer>> facetMap;
133 
 
134 
	private String 	query;
135 
 
136 
	List<String> resultMap;
137 
 
138 
	long numberOfResults=0;
139 
 
140 
	String priceFacetName = "F_50002";
141 
 
9406 amit.gupta 142 
	List<String> filtrableFacets = new ArrayList<String>(Utils.rootfacetDefIDs);
9103 anupam.sin 143 
 
144 
	/**
145 
	 *
146 
	 * @param query
147 
	 * @param facetDefinitionIDs
148 
	 */
12143 amit.gupta 149 
	public SolrSearchService(String query, String[] facetqueries, long start, long rows,  Double minPrice, Double maxPrice, String sortOrder, long sourceId, boolean isPrivateDealUser) {
9103 anupam.sin 150 
 
151 
		this.query = query;
152 
 
153 
		List<String> facetsQueried = new ArrayList<String>();
154 
		if(sourceId != -1){
155 
			priceFacetName = priceFacetName + "_" + sourceId;
156 
		}
157 
 
11728 amit.gupta 158 
		//sanitize all facet queries
11730 amit.gupta 159 
		if(facetqueries!=null) {
160 
			for(int i=0;i<facetqueries.length;i++){
161 
				try {
162 
					facetqueries[i] = URLDecoder.decode(facetqueries[i], "UTF-8");
163 
				} catch (UnsupportedEncodingException e) {
164 
					facetqueries = null;
165 
					e.printStackTrace();
166 
				}
11728 amit.gupta 167 
			}
168 
		}
9406 amit.gupta 169 
		this.filtrableFacets.remove(Utils.availabilityFacet);
170 
		this.filtrableFacets.add(Utils.availabilityFacet);
9103 anupam.sin 171 
 
172 
 
173 
		this.xpath = XPathFactory.newInstance().newXPath();
174 
 
175 
		query = query.trim().replaceAll("\\s+", " ");
176 
    	log.info("query=" + query);
177 
 
178 
		String uri = SOLR_URL + "?wt=xml&q=" + this.query;
179 
 
180 
		uri += "&stats=on&stats.field=" + priceFacetName;
181 
 
182 
		if(sortOrder != null){
183 
			//replace the price facet name, so that it can pick price for the source.
184 
			sortOrder = sortOrder.replace("F_50002", priceFacetName);
185 
			uri += "&sort=" + sortOrder;
186 
		}
187 
 
188 
		if(facetqueries != null) {
189 
			//sorting will guarantee all similar facets together so that we can assume or between all similar items without fail.
190 
			Arrays.sort(facetqueries);
191 
			String fq="";
192 
			for(int i=0; i<facetqueries.length; i++) {
193 
				String value = "";
194 
				String[] tokens = facetqueries[i].split(":");
195 
				try {
196 
					value = URLEncoder.encode(tokens[1], "UTF-8");
197 
				} catch (UnsupportedEncodingException e) {
198 
					// TODO Auto-generated catch block
199 
					e.printStackTrace();
200 
				}
201 
				if(facetsQueried.contains(tokens[0])) {
202 
					uri += " OR  " + tokens[0] + ":\"" + value + "\"";
203 
 
204 
				} else {
205 
					fq = "{!tag=dt" + facetsQueried.size() + "}";
206 
					facetsQueried.add(tokens[0]);
207 
					fq +=  tokens[0] + ":\"" + value + "\"";
208 
					uri += "&fq=" + fq;
209 
				}
210 
			}
211 
		}
9887 amit.gupta 212 
		uri = uri.replaceAll(" ", "%20");
9103 anupam.sin 213 
		String minString = "0";
214 
		String maxString = "*";
215 
		if(minPrice != null || maxPrice != null){
216 
			try {
9886 amit.gupta 217 
				log.info("Uri:" + uri);
9103 anupam.sin 218 
				dynamicPriceMap = getPriceStatsMap(new InputSource(uri));
219 
			} catch (Exception e){
220 
				e.printStackTrace();
221 
			}
222 
			if(minPrice != null){
223 
				minString = minPrice.toString();
224 
			}
225 
			if(maxPrice != null){
226 
				maxString = maxPrice.toString();
227 
			}
228 
		}
9269 amit.gupta 229 
		uri += "&fq=" + priceFacetName + ":["+  minString + "%20" + maxString + "]";
12148 amit.gupta 230 
		uri += "&fl=ID,Name&facet=true&start=" + start + "&rows=" + rows + "&facet.mincount=1";
9103 anupam.sin 231 
		for(String facetDefinitionID : filtrableFacets) {
232 
				if(facetsQueried.contains(facetDefinitionID)){
233 
					uri += "&facet.field={!ex=dt" + facetsQueried.indexOf(facetDefinitionID)+ "}"+ facetDefinitionID;
234 
				} else {
235 
					uri += "&facet.field=" + facetDefinitionID;
236 
				}
237 
		}
238 
		log.info("uri=" + uri);
239 
 
240 
		this.inputSource = new InputSource(uri);
241 
 
242 
		this.facetMap = getFacetMap();
243 
	}
244 
 
245 
	@SuppressWarnings("unchecked")
246 
	private void setFilterableFacets(String[] facetqueries) {
247 
		List<String> queriedFacets = getAllMatches(this.query);
9406 amit.gupta 248 
		if(facetqueries != null && facetqueries.length!=0) {
9103 anupam.sin 249 
			String facetString = Arrays.toString(facetqueries);
250 
			List<String> filteredFacets = getAllMatches(facetString);
251 
			if(filteredFacets.contains("F_50011")){
252 
				for(String facetQuery : facetqueries) {
253 
					if(facetQuery.contains("F_50011")){
254 
						String facetVal = facetQuery.split(":")[1];
255 
						if(CATEGORY_FACET_MAP.containsKey(facetVal)){
9406 amit.gupta 256 
							this.filtrableFacets.addAll(CATEGORY_FACET_MAP.get(facetVal));
9103 anupam.sin 257 
							return;
258 
						} else {
259 
							break;
260 
						}
261 
					}
262 
				}
263 
			}
264 
			if(filteredFacets.contains("F_50010")){
265 
				for(String facetQuery : facetqueries) {
266 
					if(facetQuery.contains("F_50010")){
267 
						String facetVal = facetQuery.split(":")[1];
268 
						if(CATEGORY_FACET_MAP.containsKey(facetVal)){
269 
							return;
270 
						} else {
271 
							break;
272 
						}
273 
					}
274 
				}
275 
			}
276 
		}
277 
		if(queriedFacets.contains("F_50011")) {
9406 amit.gupta 278 
			String facetVal = this.query.split("F_50011:")[1].split("&")[0].replaceAll("[\"()]", "");
9103 anupam.sin 279 
			if (facetVal.contains(" OR ")) {
280 
				return;
281 
			} else if(CATEGORY_FACET_MAP.containsKey(facetVal)){
9406 amit.gupta 282 
				//facetVal = facetVal.split("&")[0].replaceAll("[\"()]", "");
283 
					this.filtrableFacets.addAll(CATEGORY_FACET_MAP.get(facetVal));
9103 anupam.sin 284 
					return;
9406 amit.gupta 285 
			} else {
286 
				return;
287 
			}
9103 anupam.sin 288 
		}
289 
		if(queriedFacets.contains("F_50010")){
9406 amit.gupta 290 
			String facetVal = this.query.split("F_50010:")[1].split("&")[0].replaceAll("[\"()]", "");
9103 anupam.sin 291 
			if (facetVal.contains(" OR ")) {
292 
				return;
293 
			} else if(CATEGORY_FACET_MAP.containsKey(facetVal)){
9406 amit.gupta 294 
					this.filtrableFacets.addAll(CATEGORY_FACET_MAP.get(facetVal));
9103 anupam.sin 295 
					return;
9406 amit.gupta 296 
			} else {
297 
				return;
9103 anupam.sin 298 
			}
299 
		}
300 
	}
301 
 
302 
	public List<String> getFilterableFacets() {
303 
		return this.filtrableFacets;
304 
	}
305 
 
306 
	public Map<String,Map<String,Integer>> removeUnwantedFacets(Map<String,Map<String,Integer>> facetMap, long numberOfResults){
307 
 
308 
		Set<String> facetsInQuery = new HashSet<String>(getAllMatches(this.query));
309 
		Map<String,Map<String,Integer>> tempFacets = new TreeMap<String, Map<String,Integer>>();
310 
		for(String facet : facetMap.keySet()){
311 
			if(facetMap.get(facet).size() > 0 && !facetsInQuery.contains(facet)){
312 
				Map<String,Integer> tempMap = new LinkedHashMap<String, Integer>();
313 
 
314 
				for(String facetValueName : facetMap.get(facet).keySet()){
315 
					//if(facetMap.get(facet).get(facetValueName) != 0 && facetMap.get(facet).get(facetValueName) != numberOfResults){
316 
						tempMap.put(facetValueName, facetMap.get(facet).get(facetValueName));
317 
					//}
318 
				}
319 
				if(!tempMap.isEmpty()){
320 
					tempFacets.put(facet, tempMap);
321 
				}
322 
			}
323 
		}
324 
		/*if(tempFacets.containsKey("F_50010")){
325 
			tempFacets.remove("F_50011");
326 
		}*/
327 
 
328 
		return tempFacets;
329 
	}
330 
 
331 
	public Map<String,Integer> getFacetDetails(String facetName){
332 
		if(facetMap != null){
333 
			return facetMap.get(facetName);
334 
		}else{
335 
			return null;
336 
		}
337 
	}
338 
 
339 
	public Map<String,Map<String,Integer>> getFacetMap() {
340 
		facetMap = new TreeMap<String,Map<String,Integer>>();
341 
 
342 
		String facetNamePath = "/response/lst/lst[@name = 'facet_fields']/lst";
343 
 
344 
		NodeList nodes = null;
345 
		try {
346 
			nodes = (NodeList) this.xpath.evaluate(facetNamePath, this.inputSource, XPathConstants.NODESET);
347 
		}
348 
		catch (XPathExpressionException xpee) {
349 
			return null;
350 
		}
351 
 
352 
		if(nodes.getLength() == 0) {
353 
			return null;
354 
		}
355 
 
356 
		NodeList subNodes = null;
357 
 
358 
		for(int i=0; i<nodes.getLength(); i++) {
359 
			Node node = nodes.item(i);
360 
			String facetName = node.getAttributes().getNamedItem("name").getNodeValue();
361 
			subNodes = node.getChildNodes();
362 
			Map<String,Integer> facetValueCountMap = new LinkedHashMap<String,Integer>();
363 
			for(int j=0; j<subNodes.getLength(); j++) {
364 
				Node subNode = subNodes.item(j);
365 
				facetValueCountMap.put(subNode.getAttributes().getNamedItem("name").getNodeValue(), Integer.parseInt(subNode.getTextContent()));
366 
			}
367 
			if(SORTED_FACET_VALUE_MAP.containsKey(facetName)){
368 
				List<String> orderedValues = SORTED_FACET_VALUE_MAP.get(facetName);
369 
				Map<String, Integer> sortedMap = new LinkedHashMap<String, Integer>();
370 
			    for (Iterator<String> it = orderedValues.iterator(); it.hasNext();) {
371 
			    	String val = it.next();
372 
			        if(facetValueCountMap.containsKey(val)) {
373 
			        	sortedMap.put(val, facetValueCountMap.get(val));
374 
			        }
375 
			    }
376 
			    facetMap.put(facetName, sortedMap);
377 
			} else {
378 
				facetMap.put(facetName, facetValueCountMap);
379 
			}
380 
		}
381 
		this.numberOfResults  = this.getTotalResults();
11306 amit.gupta 382 
		log.info("FacetMap before:" + facetMap);
9103 anupam.sin 383 
		facetMap = removeUnwantedFacets(facetMap, numberOfResults);
11306 amit.gupta 384 
		log.info("FacetMap after:" + facetMap);
9103 anupam.sin 385 
		return facetMap;
386 
	}
387 
 
388 
	public List<String> getResultMap() {
389 
		resultMap = new LinkedList<String>();
390 
 
391 
		String resultDocsPath = "/response/result/doc";
392 
 
393 
 
394 
		NodeList nodes = null;
395 
		try {
396 
			nodes = (NodeList) this.xpath.evaluate(resultDocsPath, this.inputSource, XPathConstants.NODESET);
397 
		}
398 
		catch (XPathExpressionException xpee) {
11315 amit.gupta 399 
			return resultMap;
9103 anupam.sin 400 
		}
401 
 
402 
		if(nodes.getLength() == 0) {
11315 amit.gupta 403 
			return resultMap;
9103 anupam.sin 404 
		}
405 
 
406 
		for(int i=0; i<nodes.getLength(); i++) {
407 
			Node node = nodes.item(i);
408 
			String docID = node.getFirstChild().getTextContent();
409 
			resultMap.add(docID);
410 
 		}
411 
		return resultMap;
412 
	}
413 
 
414 
	public HashMap<String, Double> getPriceStatsMap() {
415 
		return this.getPriceStatsMap(this.inputSource);
416 
	}
417 
 
418 
	public HashMap<String, Double> getPriceStatsMap(InputSource inputSource) {
419 
		HashMap<String, Double> priceStatsMap = new HashMap<String, Double>();
420 
 
421 
		String resultDocsPath = "/response/lst[@name = 'stats']/lst[@name = 'stats_fields']/lst[@name = '" + priceFacetName + "']";
422 
 
423 
 
424 
		NodeList nodes = null;
425 
		try {
426 
			nodes = (NodeList) this.xpath.evaluate(resultDocsPath, inputSource, XPathConstants.NODESET);
427 
		}
428 
		catch (XPathExpressionException xpee) {
429 
			return null;
430 
		}
431 
 
432 
		if(nodes.getLength() == 0) {
433 
			return null;
434 
		}
435 
 
436 
		NodeList subNodes = nodes.item(0).getChildNodes();
437 
 
438 
		for(int i=0; i<subNodes.getLength(); i++) {
439 
			Node node = subNodes.item(i);
440 
 
441 
			String parameter = node.getAttributes().getNamedItem("name").getNodeValue();
442 
			String value = node.getTextContent();
443 
			priceStatsMap.put(parameter, Double.parseDouble(value));
444 
 		}
445 
		return priceStatsMap;
446 
	}
447 
 
448 
	public HashMap<String,Integer> getRangeQueryResultMap() {
449 
		HashMap<String, Integer> rangeQueryResultMap = new HashMap<String,Integer>();
450 
 
451 
		String resultDocsPath = "/response/lst[@name = 'facet_counts']/lst[@name = 'facet_queries']/int";
452 
 
453 
 
454 
		NodeList nodes = null;
455 
		try {
456 
			nodes = (NodeList) this.xpath.evaluate(resultDocsPath, this.inputSource, XPathConstants.NODESET);
457 
		}
458 
		catch (XPathExpressionException xpee) {
459 
			return null;
460 
		}
461 
 
462 
		if(nodes.getLength() == 0) {
463 
			return null;
464 
		}
465 
 
466 
 
467 
		for(int i=0; i<nodes.getLength(); i++) {
468 
			Node node = nodes.item(i);
469 
 
470 
			String query = node.getAttributes().getNamedItem("name").getNodeValue();
471 
			String docCount = node.getTextContent();
472 
 
473 
			rangeQueryResultMap.put(query,Integer.parseInt(docCount));
474 
 		}
475 
		return rangeQueryResultMap;
476 
 
477 
	}
478 
 
479 
	/**
480 
	 *
481 
	 */
482 
	public long getTotalResults(){
483 
		String resultDocsPath = "/response/result";
484 
		NodeList nodes = null;
485 
		try {
486 
			nodes = (NodeList) this.xpath.evaluate(resultDocsPath, this.inputSource, XPathConstants.NODESET);
487 
		}
488 
		catch (XPathExpressionException xpee) {
489 
			return 0;
490 
		}
491 
 
492 
		Node node = nodes.item(0);
493 
 
494 
		return Long.parseLong(node.getAttributes().getNamedItem("numFound").getNodeValue());
495 
 
496 
	}
497 
		/**
498 
	 *
499 
	 * @return
500 
	 */
501 
	public long[] getResultEntityIDs() {
502 
		String expression = "/response/result/doc/long";
503 
 
504 
		NodeList nodes = null;
505 
		try {
506 
			nodes = (NodeList) this.xpath.evaluate(expression, this.inputSource,
507 
					XPathConstants.NODESET);
508 
		}
509 
		catch(XPathExpressionException xpee) {
510 
			return null;
511 
		}
512 
 
513 
		if(nodes.getLength() == 0) {
514 
			return null;
515 
		}
516 
 
517 
		long[] values = new long[nodes.getLength()];
518 
		for(int i=0; i<nodes.getLength(); i++) {
519 
			Node node = nodes.item(i);
520 
			String value = node.getTextContent();
521 
			values[i] = Long.parseLong(value);
522 
 		}
523 
 
524 
		return values;
525 
	}
526 
 
527 
	/**
528 
	 *
529 
	 * @return
530 
	 */
531 
	public String[] getResultCategoryNames() {
532 
		String expression = "/response/lst/lst[@name = 'facet_fields']/";
533 
		expression += "lst[@name = 'Category']/int/@name";
534 
 
535 
		NodeList nodes = null;
536 
		try {
537 
			nodes = (NodeList) this.xpath.evaluate(expression,
538 
				this.inputSource, XPathConstants.NODESET);
539 
		}
540 
		catch (XPathExpressionException xpee) {
541 
			return null;
542 
		}
543 
 
544 
		if(nodes.getLength() == 0) {
545 
			return null;
546 
		}
547 
 
548 
		String[] values = new String[nodes.getLength()];
549 
		for(int i=0; i<nodes.getLength(); i++) {
550 
			Node node = nodes.item(i);
551 
			values[i] = node.getTextContent();
552 
 		}
553 
 
554 
		return values;
555 
	}
556 
 
557 
	/**
558 
	 *
559 
	 * @return
560 
	 */
561 
	public int[] getResultCategoryCounts() {
562 
		String expression = "/response/lst/lst[@name = 'facet_fields']/";
563 
		expression += "lst[@name = 'Category']/int";
564 
 
565 
		NodeList nodes = null;
566 
		try {
567 
			nodes = (NodeList) this.xpath.evaluate(expression,
568 
				this.inputSource, XPathConstants.NODESET);
569 
		}
570 
		catch (XPathExpressionException xpee) {
571 
			return null;
572 
		}
573 
 
574 
		if(nodes.getLength() == 0) {
575 
			return null;
576 
		}
577 
 
578 
		int[] values = new int[nodes.getLength()];
579 
		for(int i=0; i<nodes.getLength(); i++) {
580 
			Node node = nodes.item(i);
581 
			values[i] = Integer.parseInt(node.getTextContent());
582 
 		}
583 
 
584 
		return values;
585 
	}
586 
 
587 
	/**
588 
	 *
589 
	 * @return
590 
	 */
591 
	public String[]  getResultEntityNames() {
592 
		String expression = "/response/result/doc/str";
593 
 
594 
		NodeList nodes = null;
595 
		try {
596 
			nodes = (NodeList) this.xpath.evaluate(expression, this.inputSource,
597 
					XPathConstants.NODESET);
598 
		}
599 
		catch(XPathExpressionException xpee) {
600 
			return null;
601 
		}
602 
 
603 
		if(nodes.getLength() == 0) {
604 
			return null;
605 
		}
606 
 
607 
		String[] values = new String[nodes.getLength()];
608 
		for(int i=0; i<nodes.getLength(); i++) {
609 
			Node node = nodes.item(i);
610 
			String value = node.getTextContent();
611 
			values[i] = value;
612 
 		}
613 
 
614 
		return values;
615 
	}
616 
 
617 
	/**
618 
	 *
619 
	 * @param facetDefinitionID
620 
	 * @return
621 
	 */
622 
	public String[] getFacetValues(String facetDefinitionID) {
623 
		String expression = "/response/lst/lst[@name = 'facet_fields']/";
624 
		expression += "lst[@name = '"+ facetDefinitionID +"']/int/@name";
625 
 
626 
		NodeList nodes = null;
627 
		try {
628 
			nodes = (NodeList) this.xpath.evaluate(expression,
629 
				this.inputSource, XPathConstants.NODESET);
630 
		}
631 
		catch (XPathExpressionException xpee) {
632 
			return null;
633 
		}
634 
 
635 
		if(nodes.getLength() == 0) {
636 
			return null;
637 
		}
638 
 
639 
		String[] values = new String[nodes.getLength()];
640 
		for(int i=0; i<nodes.getLength(); i++) {
641 
			Node node = nodes.item(i);
642 
			values[i] = node.getTextContent();
643 
		}
644 
 
645 
		return values;
646 
	}
647 
 
648 
	/**
649 
	 *
650 
	 * @param facetDefinitionID
651 
	 * @return
652 
	 */
653 
	public String[] getFacetCounts(String facetDefinitionID) {
654 
		String expression = "/response/lst/lst[@name = 'facet_fields']/";
655 
		expression += "lst[@name = '" + facetDefinitionID + "']/int";
656 
 
657 
		NodeList nodes = null;
658 
		try {
659 
			nodes = (NodeList) this.xpath.evaluate(expression,
660 
				this.inputSource, XPathConstants.NODESET);
661 
		}
662 
		catch (XPathExpressionException xpee) {
663 
			return null;
664 
		}
665 
 
666 
		if(nodes.getLength() == 0) {
667 
			return null;
668 
		}
669 
 
670 
		String[] values = new String[nodes.getLength()];
671 
		for(int i=0; i<nodes.getLength(); i++) {
672 
			Node node = nodes.item(i);
673 
			values[i] = node.getTextContent();
674 
 		}
675 
 
676 
		return values;
677 
	}
678 
 
679 
	public static void main(String[] args){
680 
		/*
681 
    	// Hard coded for now
682 
    	String[] facetDefIDs = new String[] {"F_50001", "F_50002", "F_50003", "F_50004", "F_50005", "F_50006", "F_50007", "F_50008", "F_50009"};
683 
 
684 
    	// Hard-coded for now
685 
    	String[] facetLabels = new String[] {
686 
	    	"Brand", "Price","Form Factor", "Carry In Pocket", "Cellular Technologies",
687 
	    	"Data Connectivity", "Camera Resolution", "Built-in Memory",
688 
	    	"Talk time"
689 
    	};
690 
 
691 
		 */
692 
    	String[] facetDefIDs = new String[] {"Category","F_50002","F_50001",  "F_50006", "F_50007" };
693 
    	//String[] facetLabels = new String[] {"Category","Price", "Brand", "Data Connectivity", "Camera Resolution"	};
694 
 
695 
 
696 
    	String[] fqrys = {};
12143 amit.gupta 697 
		SolrSearchService search = new SolrSearchService("nokia", fqrys, 0 , 20, null, null, null, -1, false);
9103 anupam.sin 698 
 
699 
    	long[] entityIDs = search.getResultEntityIDs();
700 
    	log.info("entityIDs=" + Arrays.toString(entityIDs));
701 
 
702 
    	String[] entityNames = search.getResultEntityNames();
703 
    	log.info("entityNames=" + Arrays.toString(entityNames));
704 
    	search.getFacetMap();
705 
 
706 
    	search.getResultMap();
707 
    	search.getRangeQueryResultMap();
708 
    	search.getPriceStatsMap(new InputSource());
709 
    	search.getTotalResults();
710 
       	for (int i=0; i<facetDefIDs.length; i++) {
711 
       		search.getFacetCounts(facetDefIDs[i]);
712 
       		search.getFacetValues(facetDefIDs[i]);
713 
       	}
714 
 
715 
	}
716 
 
717 
 
718 
    public static List<String> getAllMatches(String text) {
719 
        List<String> matches = new ArrayList<String>();
720 
        Matcher m = FACET_PATTERN.matcher(text);
721 
        while(m.find()) {
722 
            matches.add(m.group(1));
723 
        }
724 
        return matches;
725 
    }
726 
 
727 
    public Map<String, Double> getDynamicPriceMap() {
728 
    	return this.dynamicPriceMap;
729 
    }
730 
 
731 
}