01: package net.sourceforge.squirrel_sql.plugins.db2.tab;
02:
03: /*
04: * Copyright (C) 2007 Rob Manning
05: * manningr@users.sourceforge.net
06: *
07: * This library is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU Lesser General Public
09: * License as published by the Free Software Foundation; either
10: * version 2.1 of the License, or (at your option) any later version.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20: */
21: import java.sql.PreparedStatement;
22: import java.sql.SQLException;
23:
24: import net.sourceforge.squirrel_sql.fw.sql.IDatabaseObjectInfo;
25: import net.sourceforge.squirrel_sql.fw.sql.ISQLConnection;
26: import net.sourceforge.squirrel_sql.fw.util.log.ILogger;
27: import net.sourceforge.squirrel_sql.fw.util.log.LoggerController;
28:
29: import net.sourceforge.squirrel_sql.client.session.ISession;
30: import net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.tabs.FormattedSourceTab;
31:
32: /**
33: * This class will display the source for an DB2 view.
34: *
35: * @author manningr
36: */
37: public class ViewSourceTab extends FormattedSourceTab {
38: /** SQL that retrieves the source of a stored procedure. */
39: private static final String SQL = "SELECT TEXT "
40: + "FROM SYSCAT.VIEWS " + "WHERE VIEWSCHEMA = ? "
41: + "AND VIEWNAME = ? ";
42:
43: /** SQL that retrieves the source of a stored procedure on OS/400 */
44: private static final String OS_400_SQL = "select view_definition "
45: + "from qsys2.sysviews " + "where table_schema = ? "
46: + "and table_name = ? ";
47:
48: /** Logger for this class. */
49: private final static ILogger s_log = LoggerController
50: .createLogger(ViewSourceTab.class);
51:
52: /** boolean to indicate whether or not this session is OS/400 */
53: private boolean isOS400 = false;
54:
55: /**
56: * Constructor
57: *
58: * @param isOS400 whether or not we are connected to an OS/400 system
59: */
60: public ViewSourceTab(String hint, String stmtSep, boolean isOS400) {
61: super (hint);
62: super .setCompressWhitespace(true);
63: super .setupFormatter(stmtSep, null);
64: this .isOS400 = isOS400;
65: }
66:
67: /**
68: * @see net.sourceforge.squirrel_sql.client.session.mainpanel.objecttree.tabs.BaseSourceTab#createStatement()
69: */
70: @Override
71: protected PreparedStatement createStatement() throws SQLException {
72: final ISession session = getSession();
73: final IDatabaseObjectInfo doi = getDatabaseObjectInfo();
74: ISQLConnection conn = session.getSQLConnection();
75: String sql = SQL;
76: if (isOS400) {
77: sql = OS_400_SQL;
78: }
79: if (s_log.isDebugEnabled()) {
80: s_log.debug("Running SQL for View source tab: " + sql);
81: s_log.debug("schema=" + doi.getSchemaName());
82: s_log.debug("view name=" + doi.getSimpleName());
83: }
84: PreparedStatement pstmt = conn.prepareStatement(sql);
85: pstmt.setString(1, doi.getSchemaName());
86: pstmt.setString(2, doi.getSimpleName());
87: return pstmt;
88: }
89: }
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