opengrok/web/search.jsp

	search.jsp revision 7cbf6a20cb1925bd734d2c6664ba739e6e82c8e3
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte<%--
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteCDDL HEADER START
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteThe contents of this file are subject to the terms of the
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteCommon Development and Distribution License (the "License").
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteYou may not use this file except in compliance with the License.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteSee LICENSE.txt included in this distribution for the specific
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortelanguage governing permissions and limitations under the License.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteWhen distributing Covered Code, include this CDDL HEADER in each
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortefile and include the License file at LICENSE.txt.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteIf applicable, add the following below this CDDL HEADER, with the
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortefields enclosed by brackets "[]" replaced with your own identifying
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteinformation: Portions Copyright [yyyy] [name of copyright owner]
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteCDDL HEADER END
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteCopyright 2005 Sun Microsystems, Inc.  All rights reserved.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteUse is subject to license terms.
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteident   "%Z%%M% %I%     %E% SMI"
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte--%><%@ page import = "javax.servlet.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejava.lang.Integer,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejavax.servlet.http.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejava.util.Hashtable,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejava.util.Vector,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejava.util.Date,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejava.util.ArrayList,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejava.util.List,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejava.lang.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejava.io.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortejava.io.StringReader,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.opensolaris.opengrok.analysis.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.opensolaris.opengrok.search.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.opensolaris.opengrok.web.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.opensolaris.opengrok.web.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.opensolaris.opengrok.search.context.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.opensolaris.opengrok.configuration.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.apache.lucene.search.spell.LuceneDictionary,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.apache.lucene.search.spell.SpellChecker,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.apache.lucene.store.FSDirectory,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.apache.lucene.analysis.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.apache.lucene.document.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.apache.lucene.index.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.apache.lucene.search.*,
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forteorg.apache.lucene.queryParser.*"
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte%><%@ page session="false" %><%@ page errorPage="error.jsp" %><%
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteDate starttime = new Date();
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteString q    = request.getParameter("q");
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteString defs = request.getParameter("defs");
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteString refs = request.getParameter("refs");
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteString hist = request.getParameter("hist");
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteString path = request.getParameter("path");
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte%>
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte<%@ include file="projects.jspf" %>
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte<%
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn ForteString sort = null;
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Forte
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortefinal String LASTMODTIME = "lastmodtime";
fcf3ce441efd61da9bb2884968af01cb7c1452ccJohn Fortefinal String RELEVANCY = "relevancy";

Cookie[] cookies = request.getCookies();
if (cookies != null) {
    for (Cookie cookie : cookies) {
        if (cookie.getName().equals("OpenGrok/sorting")) {
            sort = cookie.getValue();
            if (!LASTMODTIME.equals(sort) && !RELEVANCY.equals(sort)) {
                sort = null;
            }
            break;
        }
    }
}

String sortParam = request.getParameter("sort");
if (sortParam != null) {
    if (LASTMODTIME.equals(sortParam)) {
        sort = LASTMODTIME;
    } else if (RELEVANCY.equals(sortParam)) {
        sort = RELEVANCY;
    }
    if (sort != null) {
        Cookie cookie = new Cookie("OpenGrok/sorting", sort);
        response.addCookie(cookie);
    }
}

Hits hits = null;
String errorMsg = null;

if( q!= null && q.equals("")) q = null;
if( defs != null && defs.equals("")) defs = null;
if( refs != null && refs.equals("")) refs = null;
if( hist != null && hist.equals("")) hist = null;
if( path != null && path.equals("")) path = null;
if (project != null && project.equals("")) project = null;

if (q != null || defs != null || refs != null || hist != null || path != null) {
    Searcher searcher = null;           //the searcher used to open/search the index
    IndexReader ireader = null;         //the reader used to open/search the index
    Query query = null, defQuery = null;            //the Query created by the QueryParser

    int start = 0;             //the first index displayed on this page
    int max    = 25;            //the maximum items displayed on this page
    int thispage = 0;               //used for the for/next either max or
    String moreUrl = null;
    CompatibleAnalyser analyzer = new CompatibleAnalyser();
    String qstr = "";
    String result = "";
    try {
        String DATA_ROOT = env.getDataRootPath();
        if(DATA_ROOT.equals("")) {
            throw new Exception("DATA_ROOT parameter is not configured in web.xml!");
        }
        File data_root = new File(DATA_ROOT);
        if(!data_root.isDirectory()) {
            throw new Exception("DATA_ROOT parameter in web.xml does not exist or is not a directory!");
        }
        ireader = IndexReader.open(DATA_ROOT + "/index");
        searcher = new IndexSearcher(ireader);
        //String date = request.getParameter("date");
        try {
            start = Integer.parseInt(request.getParameter("start"));    //parse the max results first
            max = Integer.parseInt(request.getParameter("n"));      //then the start index
            if(max < 0 || (max % 10 != 0) || max > 50) max = 25;
            if(start < 0 ) start = 0;
        } catch (Exception e) {  }

        StringBuilder sb = new StringBuilder();
        if (q != null) {
            sb.append(q);
        }

        if (defs != null) {
            sb.append(" defs:(");
            sb.append(defs);
            sb.append(")");
        }

        if (refs != null) {
            sb.append(" refs:(");
            sb.append(refs);
            sb.append(")");
        }

        if (path != null) {
            sb.append(" path:(");
            sb.append(path);
            sb.append(")");
        }

        if (hist != null) {
            sb.append(" hist:(");
            sb.append(hist);
            sb.append(")");
        }

        if (project != null) {
            sb.append(" (");

            boolean first = true;
            for (String s : project.split(" ")) {
                if (first) {
                    first = false;
                } else {
                    sb.append(" OR ");
                }
                sb.append("project:(");
                sb.append(s);
                sb.append(")");
            }

            sb.append(")");
        }

        qstr = sb.toString();

        QueryParser qparser = new QueryParser("full", analyzer);
        qparser.setDefaultOperator(QueryParser.AND_OPERATOR);
        qparser.setAllowLeadingWildcard(env.isAllowLeadingWildcard());

        query = qparser.parse(qstr); //parse the
        if ("lastmodtime".equals(sort)) {
            hits = searcher.search(query, new Sort("date", true));
        } else {
            hits = searcher.search(query);
        }
        thispage = max;
    } catch (BooleanQuery.TooManyClauses e) {
        errorMsg = "<b>Error:</b> Too many results for wildcard!";
    } catch (ParseException e) {
        errorMsg = "<b>Error:</b><br/>" + Util.Htmlize(qstr) + "<br/>" + Util.Htmlize(e.getMessage());
    } catch (FileNotFoundException e) {
        errorMsg = "<b>Error:</b> Index database not found";
    } catch (Exception e) {
        errorMsg = "<b>Error:</b> " + Util.Htmlize(e.getMessage());
    }
    // @TODO fix me. I should try to figure out where the exact hit is instead
    // of returning a page with just _one_ entry in....
    if (hits != null && hits.length() == 1 && request.getServletPath().equals("/s") && (query != null && query instanceof TermQuery)) {
            response.sendRedirect(context + "/xref" + hits.doc(0).get("path")
            + "#" + ((TermQuery)query).getTerm().text());
    } else {
        %><?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
<head>
    <meta name="robots" content="noindex,nofollow">
    <link rel="icon" href="img/icon.png" type="image/png"/>
    <link rel="stylesheet" type="text/css" href="style.css"/>
    <link rel="stylesheet" type="text/css" href="print.css" media="print" />
    <link rel="alternate stylesheet" type="text/css" media="all" title="Paper White" href="print.css"/>
    <title>Search</title>
</head>
<body>
<div id="page">
    <div id="header">
       <%= getServletContext().getInitParameter("HEADER") %>
    </div>
<div id="Masthead"></div>
<div id="bar">
    <table border="0" width="100%"><tr><td><a href="<%=context%>" id="home">Home</a></td><td align="right"><%
     {
        StringBuffer url = request.getRequestURL();
        url.append('?');
        String querys = request.getQueryString();
        if (querys != null) {
            int idx = querys.indexOf("sort=");
            if (idx == -1) {
                url.append(querys);
                url.append('&');
            } else {
                url.append(querys.substring(0, idx));
            }
        }
        url.append("sort=");

        if (sort == null || RELEVANCY.equals(sort)) {
           url.append(LASTMODTIME);
           %><b>Sort by relevance</b> <a href="<%=url.toString()%>">Sort by last modified time</a><%
        } else {
           url.append(RELEVANCY);
           %><a href="<%=url.toString()%>">Sort by relevance</a> <b>Sort by last modified time</b><%
        }
      } %></td></tr></table>
</div>
<div id="menu">
   <%@ include file="menu.jspf"%>
</div>
<div id="results">
<%
if( hits == null || errorMsg != null) {
            %><%=errorMsg%><%
            } else if (hits.length() == 0) {
                File spellIndex = new File(env.getDataRootPath(), "spellIndex");

                if (spellIndex.exists()) {
                    FSDirectory spellDirectory = FSDirectory.getDirectory(spellIndex);
                    SpellChecker checker = new SpellChecker(spellDirectory);

                    Date sstart = new Date();

                    %><p><font color="#cc0000">Did you mean</font>:<%
                        String[] toks;
                        if(q != null) {
                            toks = q.split("[\t ]+");
                            if(toks != null){
                                for(int j=0; j<toks.length; j++) {
                                    if(toks[j].length() > 3) {
                                        String[] ret = checker.suggestSimilar(toks[j].toLowerCase(), 3);
                                        for(int i = 0;i < ret.length; i++) {
                    %> <a href=search?q=<%=ret[i]%>><%=ret[i]%></a> &nbsp; <%
                                        }
                                    }
                                }
                            }
                        }
                        if(refs != null) {
                            toks = refs.split("[\t ]+");
                            if(toks != null){
                                for(int j=0; j<toks.length; j++) {
                                    if(toks[j].length() > 3) {
                                        String[] ret = checker.suggestSimilar(toks[j].toLowerCase(), 3);
                                        for(int i = 0;i < ret.length; i++) {
                    %> <a href=search?q=<%=ret[i]%>><%=ret[i]%></a> &nbsp;  <%
                                }
                                }
                        }
                        }
                        }
                        if(defs != null) {
                            toks = defs.split("[\t ]+");
                            if(toks != null){
                                for(int j=0; j<toks.length; j++) {
                                    if(toks[j].length() > 3) {
                                        String[] ret = checker.suggestSimilar(toks[j].toLowerCase(), 3);
                                        for(int i = 0;i < ret.length; i++) {
                    %> <a href=search?q=<%=ret[i]%>><%=ret[i]%></a> &nbsp;  <%
                                        }
                                    }
                                }
                            }
                        }
                        spellDirectory.close();
                        %></p><%
                }
        %><p> Your search  <b><%=query.toString()%></b> did not match any files.
                    <br />
                    Suggestions:<br/><blockquote>- Make sure all terms are spelled correctly.<br/>
                        - Try different keywords.<br/>
                        - Try more general keywords.<br/>
                        - Use 'wil*' cards if you are looking for partial match.
                    </blockquote>
        </p><%
            } else { // We have a lots of results to show
                StringBuilder slider = null;
                if ( max < hits.length()) {
                    if((start + max) < hits.length()) {
                        thispage = max;
                    } else {
                        thispage = hits.length() - start;
                    }
                    String url =   (q == null ? "" : "&amp;q=" + Util.URIEncode(q) ) +
                            (defs == null ? "" : "&amp;defs=" + Util.URIEncode(defs)) +
                            (refs == null ? "" : "&amp;refs=" + Util.URIEncode(refs)) +
                            (path == null ? "" : "&amp;path=" + Util.URIEncode(path)) +
                            (hist == null ? "" : "&amp;hist=" + Util.URIEncode(hist)) +
                            (sort == null ? "" : "&amp;sort=" + Util.URIEncode(sort));

                    slider = new StringBuilder();
                    int labelStart =1;
                    int sstart = start - max* (start / max % 10 + 1) ;
                    if(sstart < 0) {
                        sstart = 0;
                        labelStart = 1;
                    } else {
                        labelStart = sstart/max + 1;
                    }
                    int label = labelStart;
                    int labelEnd = label + 11;
                    String arr;
                    for(int i=sstart; i<hits.length() && label <= labelEnd; i+= max) {
                        if (i <= start && start < i+ max) {
                            slider.append("<span class=\"sel\">" + label + "</span>");
                        } else {
                            if(label == labelStart && label != 1) {
                                arr = "&lt;&lt";
                            } else if(label == labelEnd && i < hits.length()) {
                                arr = "&gt;&gt;";
                            } else {
                                arr = label < 10 ? " " + label : String.valueOf(label);
                            }
                            slider.append("<a class=\"more\" href=\"search?n=" + max + "&amp;start=" + i + url + "\">"+
                                    arr + "</a>");
                        }
                        label++;
                    }
                } else {
                    thispage = hits.length() - start;      // set the max index to max or last
                }
        %>&nbsp; &nbsp; Searched <b><%=query.toString()%></b> (Results <b><%=start+1%> -
        <%=thispage+start%></b> of <b><%=hits.length()%></b>) sorted by <%=sort%> <p><%=slider != null ?
                    slider.toString(): ""%></p>
        <table width="100%" cellpadding="3" cellspacing="0" border="0"><%

                Context sourceContext = null;
                Summarizer summer = null;
                if (query != null) {
                    try{
                        sourceContext = new Context(query);
                        if(sourceContext != null)
                            summer = new Summarizer(query, analyzer);
                    } catch (Exception e) {

                    }
                }

                HistoryContext historyContext = null;
                try {
                    historyContext = new HistoryContext(query);
                } catch (Exception e) {
                }
                EftarFileReader ef = null;
                try{
                    ef = new EftarFileReader(env.getDataRootPath() + "/index/dtags.eftar");
                } catch (Exception e) {
                }
                Results.prettyPrintHTML(hits, start, start+thispage,
                        out,
                        sourceContext, historyContext, summer,
                        context + "/xref",
                        context + "/more",
                        env.getSourceRootPath(),
                        env.getDataRootPath(),
                        ef);
                if(ef != null) {
                    try{
                    ef.close();
                    } catch (IOException e) {
                    }
                }
        %></table><br/>
        <b> Completed in <%=(new Date()).getTime() - starttime.getTime()%> milliseconds </b> <br/>
        <%=slider != null ? "<p>" + slider + "</p>" : ""%>
        <%
            }
        %><br/></div><%@include file="foot.jspf"%><%
    }
    if (ireader != null)
        ireader.close();
} else { // Entry page show the map
    response.sendRedirect(context + "/index.jsp");
}
%>