Source Code Cross Referenced for SearchEngineResult.java in  » Web-Crawler » WebSPHINX » websphinx » searchengine » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Crawler » WebSPHINX » websphinx.searchengine 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * WebSphinx web-crawling toolkit
003:         *
004:         * Copyright (c) 1998-2002 Carnegie Mellon University.  All rights
005:         * reserved.
006:         *
007:         * Redistribution and use in source and binary forms, with or without
008:         * modification, are permitted provided that the following conditions
009:         * are met:
010:         *
011:         * 1. Redistributions of source code must retain the above copyright
012:         *    notice, this list of conditions and the following disclaimer.
013:         *
014:         * 2. Redistributions in binary form must reproduce the above copyright
015:         *    notice, this list of conditions and the following disclaimer in
016:         *    the documentation and/or other materials provided with the
017:         *    distribution.
018:         *
019:         * THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
020:         * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
021:         * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
022:         * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
023:         * NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
024:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
025:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
026:         * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
027:         * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
028:         * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
029:         * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
030:         *
031:         */
032:
033:        package websphinx.searchengine;
034:
035:        import websphinx.*;
036:
037:        /**
038:         * Result returned by a search engine query, identifying a Web page that matches the query.
039:         */
040:        public class SearchEngineResult extends Region {
041:            /**
042:             * Relevancy rank of page in search engine's ordering.  In other words, rank=1 
043:             * is the first result the search engine returned.  If search engine
044:             * results are not explicitly numbered, then rank may be 0.
045:             */
046:            public int rank = 0;
047:
048:            /**
049:             * Relevancy score of page, by search engine's scale.  If search engine
050:             * does not provide a score, the score defaults to 0.0. 
051:             * 
052:             */
053:            public double score = 0.0;
054:
055:            /**
056:             * Title of page as reported by search engine, or null if not provided
057:             */
058:            public String title;
059:
060:            /**
061:             * Short description of page as reported by search engine.  Typically the first few words
062:             * of the page.  If not provided, description is null.
063:             */
064:            public String description;
065:
066:            /**
067:             * Link to the actual page.
068:             */
069:            public Link link;
070:
071:            /**
072:             * Search engine that produced this hit.
073:             */
074:            public SearchEngine searchengine;
075:
076:            /**
077:             * Make a SearchEngineResult.
078:             * @param result Region of a search engine's results page.  Should be annotated with rank, title,
079:             * description, and link fields.
080:             */
081:            public SearchEngineResult(Region result) {
082:                super (result);
083:                rank = result.getNumericLabel("rank", new Integer(0))
084:                        .intValue();
085:                score = result.getNumericLabel("score", new Double(0))
086:                        .doubleValue();
087:                title = result.getLabel("title");
088:                description = result.getLabel("description");
089:
090:                try {
091:                    link = (Link) result.getField("link");
092:                } catch (ClassCastException e) {
093:                }
094:                searchengine = (SearchEngine) result.getSource()
095:                        .getObjectLabel("searchengine.source");
096:            }
097:
098:            public String toString() {
099:                return rank + ". " + title + " ["
100:                        + (link != null ? link.getURL().toString() : "(null)")
101:                        + "]" + " " + score + "\n" + "    " + description;
102:            }
103:        }
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