search.jsp

来自「Jive是基于JSP/JAVA技术构架的一个大型BBS论坛系统,这是Jive论坛」· JSP 代码 · 共 699 行 · 第 1/2 页

<%
/**
 *	$RCSfile: search.jsp,v $
 *	$Revision: 1.12 $
 *	$Date: 2002/08/10 14:37:08 $
 */
%>
<%@ page import="java.util.*,
                 com.jivesoftware.forum.*,
                 com.jivesoftware.forum.util.*,
                 java.text.DateFormat,
                 java.text.SimpleDateFormat"
    errorPage="error.jsp"
%>

<%@ include file="global.jsp" %>

<%  // Put the request URI and query string in the session as an attribute.
    // This is done so the error.jsp and auth.jsp pages can figure out what
    // page sent it an error and redirect appropriately.
    setRedirectURL(request);
%>

<%! // global variables, methods, etc

    static final int DEFAULT_RESULT_COUNT = 10;
    static final int[] RESULT_COUNTS = { 10, 15, 30 };

    static final DateFormat shortFormatter
            = DateFormat.getDateInstance(DateFormat.MEDIUM, JiveGlobals.getLocale());

    static final DateFormat shorterFormatter = new SimpleDateFormat("MMM yyyy");

    private static String printForumParams(List forumIDs) {
        StringBuffer buf = new StringBuffer(50);
        for (int i=0; i<forumIDs.size(); i++) {
            long id = ((Long)forumIDs.get(i)).longValue();
            buf.append("forums=").append(id);
            if ((i+1) < forumIDs.size()) {
                buf.append("&");
            }
        }
        return buf.toString();
    }

    private List getForumIDParams(HttpServletRequest request) {
        List idList = new ArrayList(10);
        String[] paramNames = new String[] {"forum", "forums"};
        for (int j=0; j<paramNames.length; j++) {
            String[] params = request.getParameterValues(paramNames[j]);
            if (params != null) {
                for (int i=0; i<params.length; i++) {
                    try {
                        // There might be "cidXXX" params here, they'll just fail
                        long id = Long.parseLong(params[i]);
                        idList.add(new Long(id));
                    } catch (Exception parseFailed) {}
                }
            }
        }
        return idList;
    }

    private List getCategoryIDParams(HttpServletRequest request) {
        List idList = new ArrayList(10);
        // Loop through all parameters, look for ones starting with "cid":
        for (Enumeration enum=request.getParameterNames(); enum.hasMoreElements(); )
        {
            String name = (String)enum.nextElement();
            String value = request.getParameter(name);
            if (value != null && value.startsWith("cid")) {
                // Parse the id part of the string:
                try {
                    long id = Long.parseLong(value.substring(3, value.length()));
                    idList.add(new Long(id));
                }
                catch (Exception parseFailed) {}
            }
            // Also check for the parameter name of "cat":
            if ("cat".equals(name)) {
                try {
                    long id = Long.parseLong(value);
                    idList.add(new Long(id));
                }
                catch (Exception parseFailed) {}
            }
        }
        return idList;
    }
%>

<%  // Get parameters

    // All forum IDs come in as "forums". If we're searching one forum, the
    // parameter will be forums=X where X is the ID. If we search multiple,
    // it'll be forums=X&forums=Y and the array below will have X and Y
    // as its values.
    List forumIDs = getForumIDParams(request);
    // Get any category IDs passed in. Category ids can come from multiple
    // parameters of "cat" or as "cidXXX" where "cid" denotes a category
    // ID and XXX is the ID.
    List categoryIDs = getCategoryIDParams(request);
    // User is passed in by either user ID or username. We'll try to load the
    // user either way.
    long userID = ParamUtils.getLongParameter(request,"user",-1L);
    String username = ParamUtils.getParameter(request,"user");
    // Text of the query
    String queryText = ParamUtils.getParameter(request,"q");
    // Date to restrict our search. Can be either a long or a String. If it's
    // a string, it'll be something like "yesterday" or "lastYear"
    long date = ParamUtils.getLongParameter(request,"date",-1L);
    String relDate = ParamUtils.getParameter(request,"date");
    // Tells us to do a search
    boolean search = ParamUtils.getBooleanParameter(request,"search");
    // Starting point for search results and the number of search results per
    // page.
    int start = ParamUtils.getIntParameter(request,"start",0);
    int range = ParamUtils.getIntParameter(request,"range",DEFAULT_RESULT_COUNT);

    // Forum we're searching. This will remain null if we're searching all
    // or a set of forums
    Forum forum = null;
    long forumID = -1L;

    // Category we're searching. This will remain null if we're searching all
    // or a set of categories
    ForumCategory category = null;
    long categoryID = -1L;

    // The root category in the Jive system:
    ForumCategory rootCategory = forumFactory.getRootForumCategory();

    // Create the definitive list of forumIDs we're searching. If no forums
    // were specified, the list size will be zero.
    boolean isGlobalSearch = false;
    boolean isSingleForumSearch = false;
    Map forums = new HashMap();
    // First, add any forumIDs in the forumIDs array to the Map of forums
    for (int i=0; i<forumIDs.size(); i++) {
        long id = ((Long)forumIDs.get(i)).longValue();
        // if the forumID is -1, we're doing a global search so set the
        // isGlobalSearch var to true and break
        if (id == -1L) {
            isGlobalSearch = true;
            break;
        }
        try {
            Forum f = forumFactory.getForum(id);
            forums.put(new Long(f.getID()), f);
        }
        catch (Exception ignored) {}
    }
    // Add any forums that might be in a category:
    for (int i=0; i<categoryIDs.size(); i++) {
        long id = ((Long)categoryIDs.get(i)).longValue();
        // If the categoryID is -1, we're searching all categories (all forums)
        if (id == -1L) {
            isGlobalSearch = true;
            // Add all the forums to the forum map:
            for (Iterator iter=rootCategory.recursiveForums(); iter.hasNext(); ) {
                Forum f = (Forum)iter.next();
                forums.put(new Long(f.getID()), f);
            }
            break;
        }
        else {
            // This means we need to add all the forums in this category:
            try {
                ForumCategory c = forumFactory.getForumCategory(id);
                for (Iterator iter=c.recursiveForums(); iter.hasNext(); ) {
                    Forum f = (Forum)iter.next();
                    forums.put(new Long(f.getID()), f);
                }
            }
            catch (Exception ignored) {}
        }
    }
    if (forums.size() == 0) {
        isGlobalSearch = true;
    }
    // Check to see if we're only searching one forum:
    if (!isGlobalSearch && forums.size() == 1) {
        isSingleForumSearch = true;
        for (Iterator iter=forums.values().iterator(); iter.hasNext();) {
            forum = (Forum)iter.next();
            forumID = forum.getID();
            break;
        }
    }
    // Check to see if we're only searching one category:
    if (isGlobalSearch) {
        categoryID = rootCategory.getID();
    }
    else if (categoryIDs.size() == 1) {
        try {
            categoryID = ((Long)categoryIDs.get(0)).longValue();
        } catch (Exception ignored) {}
    }

    // Create the query object
    com.jivesoftware.forum.Query query = null;

    // If this is a global search, create the query object from the forumFactory
    if (isGlobalSearch) {
        query = forumFactory.createQuery();
    }
    // If we're searching a single forum, get the query from that forum
    else if (isSingleForumSearch) {
        query = forum.createQuery();
    }
    // Else, we're searching a set of forums, so create the query object from
    // that set of forums.
    else {
        Forum[] forumSet = (Forum[])(forums.values().toArray(new Forum[]{}));
        query = forumFactory.createQuery(forumSet);
    }

    // Try to load a user (try by userID first, then try username). If the user
    // is loaded successfully, we'll add it to the query object so the results
    // returned are messages posted by this user.
    User user = null;
    UserManager userManager = forumFactory.getUserManager();
    try {
        user = userManager.getUser(userID);
    }
    catch (Exception e) {
        try {
            user = userManager.getUser(username.trim());
        }
        catch (Exception ignored) {}
    }
    if (user != null) {
        userID = user.getID();
        username = user.getUsername();
        query.filterOnUser(user);
    }

    // If search is true, and no query text or username was submitted, set
    // search equal to false because we can't preform a search
    if (search && queryText == null && user == null) {
        search = false;
    }
    if (search) {
        // Parse the date range.
        if (date != -1L) {
            query.setAfterDate(new Date(date));
        }
        else {
            if ("any".equalsIgnoreCase(relDate)) {
                relDate = null;
            }
            // Try to parse the relative date
            if (relDate != null) {
                Date searchStartDate = null;
                Calendar calStart = Calendar.getInstance();
                calStart.set(Calendar.HOUR_OF_DAY, 0);
                calStart.set(Calendar.MINUTE, 0);
                calStart.set(Calendar.SECOND, 0);
                if ("yesterday".equalsIgnoreCase(relDate)) {
                    calStart.add(Calendar.DAY_OF_YEAR, -1);
                    searchStartDate = calStart.getTime();
                }
                else if ("7daysago".equalsIgnoreCase(relDate)) {
                    calStart.add(Calendar.DAY_OF_YEAR, -7);
                    searchStartDate = calStart.getTime();
                }
                else if ("30daysago".equalsIgnoreCase(relDate)) {
                    calStart.add(Calendar.DAY_OF_YEAR, -30);
                    searchStartDate = calStart.getTime();
                }
                else if ("90daysago".equalsIgnoreCase(relDate)) {
                    calStart.add(Calendar.DAY_OF_YEAR, -90);
                    searchStartDate = calStart.getTime();
                }
                else if ("thisyear".equalsIgnoreCase(relDate)) {
                    calStart.set(Calendar.DAY_OF_YEAR, 1);
                    searchStartDate = calStart.getTime();
                }
                else if ("2years".equalsIgnoreCase(relDate)) {
                    calStart.set(Calendar.DAY_OF_YEAR, 1);
                    calStart.add(Calendar.YEAR, -1);
                    searchStartDate = calStart.getTime();
                }
                if (searchStartDate != null) {
                    query.setAfterDate(searchStartDate);
                }
            }
        }
    }

    String encodedQueryText = "";
    if (queryText != null) {
        encodedQueryText = StringUtils.encodeHex(queryText.getBytes("UTF-8"));
    }
%>

<%  String title = SkinUtils.getLocalizedString("skin.default.search.title",locale); %>

<%@ include file="header.jsp" %>

<table cellpadding="0" cellspacing="0" border="0" width="100%">
<tr>
    <td valign="top" width="98%">

    <font face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>" color="<%= JiveGlobals.getJiveProperty("skin.default.linkColor") %>">
    <b><%= SkinUtils.getLocalizedString("skin.default.global.search",locale) %></b>
    </font>
    <br>

    <font size="<%= JiveGlobals.getJiveProperty("skin.default.fontSize") %>" face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>" color="<%= JiveGlobals.getJiveProperty("skin.default.linkColor") %>">
    <b>
    <a href="<%= JiveGlobals.getJiveProperty("skin.default.homeURL") %>"
     ><%= SkinUtils.getLocalizedString("skin.default.global.home",locale) %></a>
    &raquo;
    <a href="index.jsp" class="header" title="<%= SkinUtils.getLocalizedString("skin.default.global.go_back_to_forum_list",locale) %>"
    ><%= SkinUtils.getLocalizedString("skin.default.global.forums",locale) %></a>
<%  if (forum != null) { %>
    &raquo;
    <a href="forum.jsp?forum=<%= forum.getID() %>" class="header" title="<%= SkinUtils.getLocalizedString("skin.default.global.go_back_to_topic_list",locale) %>"
    ><%= forum.getName() %></a>
<%  } else { %>
    &raquo;
    <a href="search.jsp?forums=-1" class="header"
    ><%= SkinUtils.getLocalizedString("skin.default.search.search_all",locale) %></a>
<%  } %>
    </b>
    </font>
    </td>
    <td width="1%"><img src="images/blank.gif" width="10" height="1" border="0"></td>
    <td valign="top" width="1%" align="center">
    <%@ include file="loginbox.jsp" %>
    </td>
</tr>
</table>

<form action="search.jsp" name="searchForm">
<%  if (forum != null) { %>
<!--input type="hidden" name="forums" value="<%= forum.getID() %>"-->
<%  } %>
<input type="hidden" name="search" value="true">

<table bgcolor="<%= JiveGlobals.getJiveProperty("skin.default.tableBorderColor") %>"
 cellpadding="0" cellspacing="0" border="0" width="450" align="center">
<tr><td>
<table bgcolor="<%= JiveGlobals.getJiveProperty("skin.default.tableBorderColor") %>"
 cellpadding="3" cellspacing="1" border="0" width="100%">
<tr bgcolor="#ffffff">
    <td><font size="<%= JiveGlobals.getJiveProperty("skin.default.fontSize") %>"
         face="<%= JiveGlobals.getJiveProperty("skin.default.fontFace") %>"><b><%= SkinUtils.getLocalizedString("skin.default.search.search_terms",locale) %><%= SkinUtils.getLocalizedString("skin.default.global.colon",locale) %></b></font></td>
    <td><input type="text" name="q" style="width:100%;" value="<%= (queryText!=null)?(StringUtils.replace(queryText,"\"","&quot;")):"" %>"></td>