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SearchOperation.java
Package: jforum-2.1.8-src.zip [view]
Upload User: gdxydsw
Upload Date: 2019-01-29
Package Size: 16721k
Code Size: 3k
Category:
Java Develop
Development Platform:
Java
- /*
- * Copyright (c) JForum Team
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms,
- * with or without modification, are permitted provided
- * that the following conditions are met:
- *
- * 1) Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the
- * following disclaimer.
- * 2) Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions and
- * the following disclaimer in the documentation and/or
- * other materials provided with the distribution.
- * 3) Neither the name of "Rafael Steil" nor
- * the names of its contributors may be used to endorse
- * or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
- * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
- * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- * Created on 25/07/2007 19:27:48
- *
- * The JForum Project
- * http://www.jforum.net
- */
- package net.jforum.search;
- import java.util.ArrayList;
- import java.util.HashMap;
- import java.util.Iterator;
- import java.util.List;
- import java.util.Map;
- import net.jforum.entities.Forum;
- import net.jforum.repository.ForumRepository;
- /**
- * @author Rafael Steil
- * @version $Id: SearchOperation.java,v 1.5 2007/07/30 14:06:44 rafaelsteil Exp $
- */
- public abstract class SearchOperation
- {
- public abstract SearchResult performSearch(SearchArgs args);
- public abstract int totalRecords();
- public abstract void prepareForDisplay();
- public abstract List results();
- public abstract String viewTemplate();
- protected abstract int extractForumId(Object value);
- public final List filterResults(List results)
- {
- List l = new ArrayList();
- Map forums = new HashMap();
- for (Iterator iter = results.iterator(); iter.hasNext(); ) {
- Object currentObject = iter.next();
- Integer forumId = new Integer(this.extractForumId(currentObject));
- ForumFilterResult status = (ForumFilterResult)forums.get(forumId);
- if (status == null) {
- Forum f = ForumRepository.getForum(forumId.intValue());
- status = new ForumFilterResult(f);
- forums.put(forumId, status);
- }
- if (status.isValid()) {
- // TODO: decouple
- if (currentObject instanceof SearchPost) {
- ((SearchPost)currentObject).setForum(status.getForum());
- }
- l.add(currentObject);
- }
- }
- return l;
- }
- private static class ForumFilterResult
- {
- private Forum forum;
- public ForumFilterResult(Forum forum)
- {
- this.forum = forum;
- }
- public Forum getForum()
- {
- return this.forum;
- }
- public boolean isValid()
- {
- return this.forum != null;
- }
- }
- }