547 lines
17 KiB
Java
547 lines
17 KiB
Java
/*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
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*
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* Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
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* WARRANTY OF ANY KIND, either express or implied. See the License for the specific
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* language governing rights and limitations under the License.
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*
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* The Original Code is the Venice Web Communities System.
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*
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* The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
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* for Silverwrist Design Studios. Portions created by Eric J. Bowersox are
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* Copyright (C) 2003 Eric J. Bowersox/Silverwrist Design Studios. All Rights Reserved.
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*
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* Contributor(s):
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*/
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package com.silverwrist.venice.community;
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import java.sql.*;
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import java.util.*;
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import com.silverwrist.util.*;
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import com.silverwrist.dynamo.except.*;
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import com.silverwrist.dynamo.iface.*;
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import com.silverwrist.venice.CommunityVisibility;
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import com.silverwrist.venice.SearchMode;
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public class CommunityManagerOps_mysql extends CommunityManagerOps
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{
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/*--------------------------------------------------------------------------------
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* Attributes
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*--------------------------------------------------------------------------------
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*/
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private DBUtilities m_utils;
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private CommunityOps m_cops = null;
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/*--------------------------------------------------------------------------------
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* Constructor
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*--------------------------------------------------------------------------------
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*/
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public CommunityManagerOps_mysql(DBConnectionPool pool)
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{
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super(pool);
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m_utils = (DBUtilities)(pool.queryService(DBUtilities.class));
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} // end constructor
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/*--------------------------------------------------------------------------------
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* Internal operations
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*--------------------------------------------------------------------------------
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*/
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private final String preparePropertySearchTerm(SearchMode mode, String term)
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{
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StringBuffer buf = new StringBuffer();
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if (SearchMode.PREFIX.equals(mode))
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buf.append("LIKE '!").append(m_utils.encodeStringWildcards(term)).append("%'");
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else if (SearchMode.SUBSTRING.equals(mode))
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buf.append("LIKE '!%").append(m_utils.encodeStringWildcards(term)).append("%'");
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else if (SearchMode.REGEXP.equals(mode))
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{ // for regular expressions, if we're matching the start of the string, we have to inlcude the ! prefix
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buf.append("REGEXP '");
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if (term.startsWith("^"))
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buf.append("^!").append(m_utils.encodeString(term.substring(1)));
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else
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buf.append(m_utils.encodeString(term));
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buf.append('\'');
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} // end else if
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return buf.toString();
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} // end preparePropertySearchTerm
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/*--------------------------------------------------------------------------------
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* Overrides from class OpsBase
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*--------------------------------------------------------------------------------
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*/
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public void dispose()
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{
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if (m_cops!=null)
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{ // dispose the subobject
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m_cops.dispose();
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m_cops = null;
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} // end if
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m_utils = null;
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super.dispose();
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} // end dispose
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/*--------------------------------------------------------------------------------
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* Abstract implementations from class CommunityManagerOps
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*--------------------------------------------------------------------------------
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*/
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synchronized CommunityOps getCommunityOps()
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{
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if (m_cops==null)
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m_cops = new CommunityOps_mysql(getPool());
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return m_cops;
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} // end getCommunityOps
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Map lookupCommunity(int cid) throws DatabaseException
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{
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Connection conn = null;
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PreparedStatement stmt = null;
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ResultSet rs = null;
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try
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{ // get a connection
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conn = getConnection();
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// prepare and execute the query
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stmt = conn.prepareStatement("SELECT member_gid, host_gid, host_uid, aclid, catid, hide_dir, hide_search, name, "
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+ "alias, createdate, lastaccess, lastupdate FROM communities WHERE cid = ?;");
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stmt.setInt(1,cid);
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rs = stmt.executeQuery();
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if (!(rs.next()))
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return null;
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// create and return the data structure
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HashMap rc = new HashMap();
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rc.put(KEY_CID,new Integer(cid));
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rc.put(KEY_MEMBER_GID,new Integer(rs.getInt(1)));
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rc.put(KEY_HOST_GID,new Integer(rs.getInt(2)));
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rc.put(KEY_HOST_UID,new Integer(rs.getInt(3)));
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rc.put(KEY_ACLID,new Integer(rs.getInt(4)));
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rc.put(KEY_CATID,new Integer(rs.getInt(5)));
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if (rs.getInt(6)==0)
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rc.put(KEY_VISIBILITY,CommunityVisibility.SEARCHDIR);
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else if (rs.getInt(7)==0)
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rc.put(KEY_VISIBILITY,CommunityVisibility.SEARCHONLY);
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else
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rc.put(KEY_VISIBILITY,CommunityVisibility.NONE);
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rc.put(KEY_NAME,rs.getString(8));
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rc.put(KEY_ALIAS,rs.getString(9));
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rc.put(KEY_CREATE,m_utils.getDateTime(rs,10));
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rc.put(KEY_ACCESS,m_utils.getDateTime(rs,11));
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rc.put(KEY_UPDATE,m_utils.getDateTime(rs,12));
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return rc;
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} // end try
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catch (SQLException e)
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{ // translate to a general DatabaseException
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throw generalException(e);
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} // end catch
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finally
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{ // shut everything down
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SQLUtils.shutdown(rs);
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SQLUtils.shutdown(stmt);
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SQLUtils.shutdown(conn);
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} // end finally
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} // end lookupCommunity
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Map lookupCommunity(String alias) throws DatabaseException
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{
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Connection conn = null;
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PreparedStatement stmt = null;
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ResultSet rs = null;
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try
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{ // get a connection
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conn = getConnection();
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// prepare and execute the query
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stmt = conn.prepareStatement("SELECT cid, member_gid, host_gid, host_uid, aclid, catid, hide_dir, hide_search, "
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+ "name, createdate, lastaccess, lastupdate FROM communities WHERE alias = ?;");
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stmt.setString(1,alias);
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rs = stmt.executeQuery();
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if (!(rs.next()))
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return null;
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// create and return the data structure
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HashMap rc = new HashMap();
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rc.put(KEY_CID,new Integer(rs.getInt(1)));
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rc.put(KEY_MEMBER_GID,new Integer(rs.getInt(2)));
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rc.put(KEY_HOST_GID,new Integer(rs.getInt(3)));
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rc.put(KEY_HOST_UID,new Integer(rs.getInt(4)));
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rc.put(KEY_ACLID,new Integer(rs.getInt(5)));
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rc.put(KEY_CATID,new Integer(rs.getInt(6)));
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if (rs.getInt(7)==0)
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rc.put(KEY_VISIBILITY,CommunityVisibility.SEARCHDIR);
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else if (rs.getInt(8)==0)
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rc.put(KEY_VISIBILITY,CommunityVisibility.SEARCHONLY);
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else
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rc.put(KEY_VISIBILITY,CommunityVisibility.NONE);
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rc.put(KEY_NAME,rs.getString(9));
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rc.put(KEY_ALIAS,alias);
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rc.put(KEY_CREATE,m_utils.getDateTime(rs,10));
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rc.put(KEY_ACCESS,m_utils.getDateTime(rs,11));
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rc.put(KEY_UPDATE,m_utils.getDateTime(rs,12));
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return rc;
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} // end try
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catch (SQLException e)
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{ // translate to a general DatabaseException
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throw generalException(e);
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} // end catch
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finally
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{ // shut everything down
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SQLUtils.shutdown(rs);
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SQLUtils.shutdown(stmt);
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SQLUtils.shutdown(conn);
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} // end finally
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} // end lookupCommunity
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int[] getMemberCommunityIDs(int uid) throws DatabaseException
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{
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Connection conn = null;
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PreparedStatement stmt = null;
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ResultSet rs = null;
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try
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{ // get a connection
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conn = getConnection();
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// prepare and execute the statement
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stmt = conn.prepareStatement("SELECT c.cid FROM communities c, groupmembers g WHERE c.member_gid = g.gid "
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+ "AND g.uid = ? ORDER BY c.name;");
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stmt.setInt(1,uid);
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rs = stmt.executeQuery();
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// Since we don't know how many communities we need to allocate slots for, we allocate smaller arrays
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// in blocks and stash the small blocks in a LinkedList, keeping track of the total size.
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LinkedList olist = new LinkedList();
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int[] current = new int[16];
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int curptr = 0;
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int total = 0;
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while (rs.next())
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{ // fill array segments with community IDs
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if (curptr==16)
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{ // stack the filled array segment and begin a new one
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olist.addLast(current);
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curptr = 0;
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current = new int[16];
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} // end if
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current[curptr++] = rs.getInt(1);
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total++;
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} // end while
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olist.addLast(current); // add last array to list
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// allocate and copy the return array
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int rc[] = new int[total];
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curptr = 0;
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while (total>0)
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{ // get each segment and copy it into return array
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current = (int[])(olist.removeFirst());
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int ct = Math.min(current.length,total);
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System.arraycopy(current,0,rc,curptr,ct);
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curptr += ct;
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total -= ct;
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} // end while
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olist.clear();
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return rc;
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} // end try
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catch (SQLException e)
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{ // translate to a general DatabaseException
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throw generalException(e);
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} // end catch
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finally
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{ // shut everything down
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SQLUtils.shutdown(rs);
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SQLUtils.shutdown(stmt);
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SQLUtils.shutdown(conn);
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} // end finally
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} // end getMemberCommunityIDs
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int[] getCommunityIDsInCategory(int catid, boolean show_all, int offset, int count) throws DatabaseException
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{
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Connection conn = null;
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Statement stmt = null;
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ResultSet rs = null;
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try
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{ // get a connection
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conn = getConnection();
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// prepare and execute the statement (note that we assemble it in SQL form);
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StringBuffer sql = new StringBuffer("SELECT cid FROM communities WHERE catid = ");
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sql.append(catid);
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if (!show_all)
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sql.append(" AND hide_dir = 0");
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sql.append(" ORDER BY name LIMIT ").append(offset).append(", ").append(count+1).append(';');
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stmt = conn.createStatement();
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rs = stmt.executeQuery(sql.toString());
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// We *know* the maximum number of indexes that can be returned, so allocate a temporary array big
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// enough to hold them all.
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int[] tmp = new int[count+1];
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int ct = 0;
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while (rs.next())
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tmp[ct++] = rs.getInt(1);
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// Create the actual return array and fill it.
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int[] rc = new int[ct];
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System.arraycopy(tmp,0,rc,0,ct);
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return rc;
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} // end try
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catch (SQLException e)
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{ // translate to a general DatabaseException
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throw generalException(e);
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} // end catch
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finally
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{ // shut everything down
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SQLUtils.shutdown(rs);
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SQLUtils.shutdown(stmt);
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SQLUtils.shutdown(conn);
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} // end finally
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} // end getCommunityIDsInCategory
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int getNumCommunityIDsInCategory(int catid, boolean show_all) throws DatabaseException
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{
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Connection conn = null;
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Statement stmt = null;
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ResultSet rs = null;
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try
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{ // get a connection
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conn = getConnection();
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// prepare and execute the statement (note that we assemble it in SQL form);
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StringBuffer sql = new StringBuffer("SELECT COUNT(*) FROM communities WHERE catid = ");
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sql.append(catid);
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if (!show_all)
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sql.append(" AND hide_dir = 0");
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sql.append(';');
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stmt = conn.createStatement();
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rs = stmt.executeQuery(sql.toString());
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return SQLUtils.getReturnCountInt(rs,1);
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} // end try
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catch (SQLException e)
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{ // translate to a general DatabaseException
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throw generalException(e);
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} // end catch
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finally
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{ // shut everything down
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SQLUtils.shutdown(rs);
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SQLUtils.shutdown(stmt);
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SQLUtils.shutdown(conn);
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} // end finally
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} // end getNumCommunityIDsInCategory
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int[] searchProperty(int nsid, String name, SearchMode mode, String term, boolean show_all, int offset, int count)
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throws DatabaseException
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{
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Connection conn = null;
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Statement stmt = null;
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ResultSet rs = null;
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try
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{ // get a connection
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conn = getConnection();
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// prepare and execute a query (note that we assemble it in SQL form)
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StringBuffer sql = new StringBuffer("SELECT c.cid FROM communities c, commprops p WHERE c.cid = p.cid "
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+ "AND p.nsid = ");
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sql.append(nsid).append(" AND p.prop_name = '").append(m_utils.encodeString(name)).append("' AND p.prop_value ");
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sql.append(preparePropertySearchTerm(mode,term));
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if (!show_all)
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sql.append(" AND c.hide_search = 0");
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sql.append(" ORDER BY c.name LIMIT ").append(offset).append(", ").append(count+1).append(';');
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stmt = conn.createStatement();
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rs = stmt.executeQuery(sql.toString());
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// We *know* the maximum number of indexes that can be returned, so allocate a temporary array big
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// enough to hold them all.
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int[] tmp = new int[count+1];
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int ct = 0;
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while (rs.next())
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tmp[ct++] = rs.getInt(1);
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// Create the actual return array and fill it.
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int[] rc = new int[ct];
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System.arraycopy(tmp,0,rc,0,ct);
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return rc;
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} // end try
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catch (SQLException e)
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{ // translate to a general DatabaseException
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throw generalException(e);
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} // end catch
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finally
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{ // shut everything down
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SQLUtils.shutdown(rs);
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SQLUtils.shutdown(stmt);
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SQLUtils.shutdown(conn);
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} // end finally
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} // end searchProperty
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int searchPropertyCount(int nsid, String name, SearchMode mode, String term, boolean show_all)
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throws DatabaseException
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{
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Connection conn = null;
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Statement stmt = null;
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ResultSet rs = null;
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try
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{ // get a connection
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conn = getConnection();
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// prepare and execute a query (note that we assemble it in SQL form)
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StringBuffer sql = new StringBuffer("SELECT COUNT(*) FROM communities c, commprops p WHERE c.cid = p.cid "
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+ "AND p.nsid = ");
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sql.append(nsid).append(" AND p.prop_name = '").append(m_utils.encodeString(name)).append("' AND p.prop_value ");
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sql.append(preparePropertySearchTerm(mode,term));
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if (!show_all)
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sql.append(" AND c.hide_search = 0");
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sql.append(';');
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stmt = conn.createStatement();
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rs = stmt.executeQuery(sql.toString());
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return SQLUtils.getReturnCountInt(rs,1);
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} // end try
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catch (SQLException e)
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{ // translate to a general DatabaseException
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throw generalException(e);
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} // end catch
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finally
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{ // shut everything down
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SQLUtils.shutdown(rs);
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SQLUtils.shutdown(stmt);
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SQLUtils.shutdown(conn);
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} // end finally
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} // end searchPropertyCount
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int[] searchName(SearchMode mode, String term, boolean show_all, int offset, int count) throws DatabaseException
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{
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Connection conn = null;
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Statement stmt = null;
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ResultSet rs = null;
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try
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{ // get a connection
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conn = getConnection();
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// prepare and execute a query (note that we assemble it in SQL form)
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StringBuffer sql = new StringBuffer("SELECT cid FROM communities WHERE name ");
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if (SearchMode.PREFIX.equals(mode))
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sql.append("LIKE '").append(m_utils.encodeStringWildcards(term)).append("%'");
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else if (SearchMode.SUBSTRING.equals(mode))
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sql.append("LIKE '%").append(m_utils.encodeStringWildcards(term)).append("%'");
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else if (SearchMode.REGEXP.equals(mode))
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sql.append("REGEXP '").append(m_utils.encodeString(term)).append('\'');
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if (!show_all)
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sql.append(" AND hide_search = 0");
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sql.append(" ORDER BY name LIMIT ").append(offset).append(", ").append(count+1).append(';');
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stmt = conn.createStatement();
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rs = stmt.executeQuery(sql.toString());
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// We *know* the maximum number of indexes that can be returned, so allocate a temporary array big
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// enough to hold them all.
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int[] tmp = new int[count+1];
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int ct = 0;
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while (rs.next())
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tmp[ct++] = rs.getInt(1);
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// Create the actual return array and fill it.
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int[] rc = new int[ct];
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System.arraycopy(tmp,0,rc,0,ct);
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return rc;
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} // end try
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catch (SQLException e)
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{ // translate to a general DatabaseException
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throw generalException(e);
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} // end catch
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finally
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{ // shut everything down
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SQLUtils.shutdown(rs);
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SQLUtils.shutdown(stmt);
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SQLUtils.shutdown(conn);
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} // end finally
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} // end searchName
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int searchNameCount(SearchMode mode, String term, boolean show_all) throws DatabaseException
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{
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Connection conn = null;
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Statement stmt = null;
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ResultSet rs = null;
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try
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{ // get a connection
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conn = getConnection();
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// prepare and execute a query (note that we assemble it in SQL form)
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StringBuffer sql = new StringBuffer("SELECT COUNT(*) FROM communities WHERE name ");
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if (SearchMode.PREFIX.equals(mode))
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sql.append("LIKE '").append(m_utils.encodeStringWildcards(term)).append("%'");
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else if (SearchMode.SUBSTRING.equals(mode))
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sql.append("LIKE '%").append(m_utils.encodeStringWildcards(term)).append("%'");
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else if (SearchMode.REGEXP.equals(mode))
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sql.append("REGEXP '").append(m_utils.encodeString(term)).append('\'');
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if (!show_all)
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sql.append(" AND hide_search = 0");
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sql.append(';');
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stmt = conn.createStatement();
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rs = stmt.executeQuery(sql.toString());
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return SQLUtils.getReturnCountInt(rs,1);
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} // end try
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catch (SQLException e)
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{ // translate to a general DatabaseException
|
|
throw generalException(e);
|
|
|
|
} // end catch
|
|
finally
|
|
{ // shut everything down
|
|
SQLUtils.shutdown(rs);
|
|
SQLUtils.shutdown(stmt);
|
|
SQLUtils.shutdown(conn);
|
|
|
|
} // end finally
|
|
|
|
} // end searchNameCount
|
|
|
|
} // end class CommunityManagerOps_mysql
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