Java tutorial
/** * Copyright (c) 2001-2012 "Redbasin Networks, INC," [http://redbasin.org] * * This file is part of Redbasin OpenDocShare community project. * * Redbasin OpenDocShare is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package dao; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.util.ArrayList; import java.util.HashSet; import java.util.Vector; import model.Photo; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import util.DbConstants; import util.MysqlSearch; import util.RegexStrUtil; /** * This class is used by spring to populate search results * This class implements CarryonSearchQuery * @author Smitha Gudur (smitha@redbasin.com) * @version $Revision: 1.1 $ */ class CarryonSearchQuery extends BasicDirectQuery { protected final Log logger = LogFactory.getLog(getClass()); protected volatile MysqlSearch sqlSearch; /** * This method lists all the results for the search text from directories * @param conn the connection * @param collabrumId the collabrumid * @return HashSet the set that has the list of moderators for these collabrums. * @throws BaseDaoException - when error occurs **/ public HashSet run(Connection conn, String sString) throws BaseDaoException { if ((RegexStrUtil.isNull(sString) || conn == null)) { return null; } StringBuffer sb = new StringBuffer( "select hdlogin.login, ownerid, entryid, carryontag.title as btitle, usertags, category, photos from hdlogin left join displayuser on hdlogin.loginid=displayuser.loginid left join carryontag on hdlogin.loginid=ownerid where category=1 and photos=1 and ("); ArrayList columns = new ArrayList(); columns.add("usertags"); columns.add("carryontag.title"); sb.append(sqlSearch.getConstraint(columns, sString)); sb.append(")"); logger.info("search query string" + sb.toString()); try { PreparedStatement stmt = conn.prepareStatement(sb.toString()); ResultSet rs = stmt.executeQuery(); Vector columnNames = null; Photo photo = null; HashSet pendingSet = new HashSet(); if (rs != null) { columnNames = dbutils.getColumnNames(rs); } while (rs.next()) { photo = (Photo) eop.newObject(DbConstants.PHOTO); for (int j = 0; j < columnNames.size(); j++) { photo.setValue((String) columnNames.elementAt(j), (String) rs.getString((String) columnNames.elementAt(j))); } pendingSet.add(photo); } return pendingSet; } catch (Exception e) { throw new BaseDaoException("Error executing CarryonSearchQuery " + sb.toString(), e); } } /** * This method is called by spring. * @param dbutils */ public void setmysqlSearch(MysqlSearch mysqlSearch) { this.sqlSearch = mysqlSearch; } }