DelegatingResultSet xref

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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  package org.apache.commons.dbcp;
19  
20  import java.sql.ResultSet;
21  import java.math.BigDecimal;
22  import java.sql.Date;
23  import java.sql.Time;
24  import java.sql.Timestamp;
25  import java.io.InputStream;
26  import java.sql.SQLWarning;
27  import java.sql.ResultSetMetaData;
28  import java.sql.SQLException;
29  import java.io.Reader;
30  import java.sql.Statement;
31  import java.util.Map;
32  import java.sql.Connection;
33  import java.sql.Ref;
34  import java.sql.Blob;
35  import java.sql.Clob;
36  import java.sql.Array;
37  import java.util.Calendar;
38  /* JDBC_4_ANT_KEY_BEGIN */
39  import java.sql.NClob;
40  import java.sql.RowId;
41  import java.sql.SQLXML;
42  /* JDBC_4_ANT_KEY_END */
43  
44  /**
45   * A base delegating implementation of {@link ResultSet}.
46   * <p>
47   * All of the methods from the {@link ResultSet} interface
48   * simply call the corresponding method on the "delegate"
49   * provided in my constructor.
50   * <p>
51   * Extends AbandonedTrace to implement result set tracking and
52   * logging of code which created the ResultSet. Tracking the
53   * ResultSet ensures that the Statment which created it can
54   * close any open ResultSet's on Statement close.
55   *
56   * @author Glenn L. Nielsen
57   * @author James House
58   * @author Dirk Verbeeck
59   * @version $Revision: 1023401 $ $Date: 2010-10-16 21:54:24 -0400 (Sat, 16 Oct 2010) $
60   */
61  public class DelegatingResultSet extends AbandonedTrace implements ResultSet {
62  
63      /** My delegate. **/
64      private ResultSet _res;
65  
66      /** The Statement that created me, if any. **/
67      private Statement _stmt;
68  
69      /** The Connection that created me, if any. **/
70      private Connection _conn;
71  
72      /**
73       * Create a wrapper for the ResultSet which traces this
74       * ResultSet to the Statement which created it and the
75       * code which created it.
76       *
77       * @param stmt Statement which created this ResultSet
78       * @param res ResultSet to wrap
79       */
80      public DelegatingResultSet(Statement stmt, ResultSet res) {
81          super((AbandonedTrace)stmt);
82          this._stmt = stmt;
83          this._res = res;
84      }
85      
86      /**
87       * Create a wrapper for the ResultSet which traces this
88       * ResultSet to the Connection which created it (via, for
89       * example DatabaseMetadata, and the code which created it.
90       *
91       * @param conn Connection which created this ResultSet
92       * @param res ResultSet to wrap
93       */
94      public DelegatingResultSet(Connection conn, ResultSet res) {
95          super((AbandonedTrace)conn);
96          this._conn = conn;
97          this._res = res;
98      }
99      
100     public static ResultSet wrapResultSet(Statement stmt, ResultSet rset) {
101         if(null == rset) {
102             return null;
103         } else {
104             return new DelegatingResultSet(stmt,rset);
105         }
106     }
107 
108     public static ResultSet wrapResultSet(Connection conn, ResultSet rset) {
109         if(null == rset) {
110             return null;
111         } else {
112             return new DelegatingResultSet(conn,rset);
113         }
114     }
115 
116     public ResultSet getDelegate() {
117         return _res;
118     }
119 
120     public boolean equals(Object obj) {
121         ResultSet delegate = getInnermostDelegate();
122         if (delegate == null) {
123             return false;
124         }
125         if (obj instanceof DelegatingResultSet) {
126             DelegatingResultSet s = (DelegatingResultSet) obj;
127             return delegate.equals(s.getInnermostDelegate());
128         }
129         else {
130             return delegate.equals(obj);
131         }
132     }
133 
134     public int hashCode() {
135         Object obj = getInnermostDelegate();
136         if (obj == null) {
137             return 0;
138         }
139         return obj.hashCode();
140     }
141 
142     /**
143      * If my underlying {@link ResultSet} is not a
144      * <tt>DelegatingResultSet</tt>, returns it,
145      * otherwise recursively invokes this method on
146      * my delegate.
147      * <p>
148      * Hence this method will return the first
149      * delegate that is not a <tt>DelegatingResultSet</tt>,
150      * or <tt>null</tt> when no non-<tt>DelegatingResultSet</tt>
151      * delegate can be found by transversing this chain.
152      * <p>
153      * This method is useful when you may have nested
154      * <tt>DelegatingResultSet</tt>s, and you want to make
155      * sure to obtain a "genuine" {@link ResultSet}.
156      */
157     public ResultSet getInnermostDelegate() {
158         ResultSet r = _res;
159         while(r != null && r instanceof DelegatingResultSet) {
160             r = ((DelegatingResultSet)r).getDelegate();
161             if(this == r) {
162                 return null;
163             }
164         }
165         return r;
166     }
167     
168     public Statement getStatement() throws SQLException {
169         return _stmt;
170     }
171 
172     /**
173      * Wrapper for close of ResultSet which removes this
174      * result set from being traced then calls close on
175      * the original ResultSet.
176      */
177     public void close() throws SQLException {
178         try {
179             if(_stmt != null) {
180                 ((AbandonedTrace)_stmt).removeTrace(this);
181                 _stmt = null;
182             }
183             if(_conn != null) {
184                 ((AbandonedTrace)_conn).removeTrace(this);
185                 _conn = null;
186             }
187             _res.close();
188         }
189         catch (SQLException e) {
190             handleException(e);
191         }
192     }
193 
194     protected void handleException(SQLException e) throws SQLException {
195         if ((_stmt != null) && (_stmt instanceof DelegatingStatement)) {
196             ((DelegatingStatement)_stmt).handleException(e);
197         }
198         else if ((_conn != null) && (_conn instanceof DelegatingConnection)) {
199             ((DelegatingConnection)_conn).handleException(e);
200         }
201         else {
202             throw e;
203         }
204     }
205 
206     public boolean next() throws SQLException 
207     { try { return _res.next(); } catch (SQLException e) { handleException(e); return false; } }
208 
209     public boolean wasNull() throws SQLException
210     { try { return _res.wasNull(); } catch (SQLException e) { handleException(e); return false; } }
211 
212     public String getString(int columnIndex) throws SQLException
213     { try { return _res.getString(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
214 
215     public boolean getBoolean(int columnIndex) throws SQLException
216     { try { return _res.getBoolean(columnIndex); } catch (SQLException e) { handleException(e); return false; } }
217 
218     public byte getByte(int columnIndex) throws SQLException
219     { try { return _res.getByte(columnIndex); } catch (SQLException e) { handleException(e); return 0; } }
220 
221     public short getShort(int columnIndex) throws SQLException
222     { try { return _res.getShort(columnIndex); } catch (SQLException e) { handleException(e); return 0; } }
223 
224     public int getInt(int columnIndex) throws SQLException
225     { try { return _res.getInt(columnIndex); } catch (SQLException e) { handleException(e); return 0; } }
226 
227     public long getLong(int columnIndex) throws SQLException
228     { try { return _res.getLong(columnIndex); } catch (SQLException e) { handleException(e); return 0; } }
229 
230     public float getFloat(int columnIndex) throws SQLException
231     { try { return _res.getFloat(columnIndex); } catch (SQLException e) { handleException(e); return 0; } }
232 
233     public double getDouble(int columnIndex) throws SQLException
234     { try { return _res.getDouble(columnIndex); } catch (SQLException e) { handleException(e); return 0; } }
235 
236     /** @deprecated */
237     public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException
238     { try { return _res.getBigDecimal(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
239 
240     public byte[] getBytes(int columnIndex) throws SQLException
241     { try { return _res.getBytes(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
242 
243     public Date getDate(int columnIndex) throws SQLException
244     { try { return _res.getDate(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
245 
246     public Time getTime(int columnIndex) throws SQLException
247     { try { return _res.getTime(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
248 
249     public Timestamp getTimestamp(int columnIndex) throws SQLException
250     { try { return _res.getTimestamp(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
251 
252     public InputStream getAsciiStream(int columnIndex) throws SQLException
253     { try { return _res.getAsciiStream(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
254 
255     /** @deprecated */
256     public InputStream getUnicodeStream(int columnIndex) throws SQLException
257     { try { return _res.getUnicodeStream(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
258 
259     public InputStream getBinaryStream(int columnIndex) throws SQLException
260     { try { return _res.getBinaryStream(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
261 
262     public String getString(String columnName) throws SQLException
263     { try { return _res.getString(columnName); } catch (SQLException e) { handleException(e); return null; } }
264 
265     public boolean getBoolean(String columnName) throws SQLException
266     { try { return _res.getBoolean(columnName); } catch (SQLException e) { handleException(e); return false; } }
267 
268     public byte getByte(String columnName) throws SQLException
269     { try { return _res.getByte(columnName); } catch (SQLException e) { handleException(e); return 0; } }
270 
271     public short getShort(String columnName) throws SQLException
272     { try { return _res.getShort(columnName); } catch (SQLException e) { handleException(e); return 0; } }
273 
274     public int getInt(String columnName) throws SQLException
275     { try { return _res.getInt(columnName); } catch (SQLException e) { handleException(e); return 0; } }
276 
277     public long getLong(String columnName) throws SQLException
278     { try { return _res.getLong(columnName); } catch (SQLException e) { handleException(e); return 0; } }
279 
280     public float getFloat(String columnName) throws SQLException
281     { try { return _res.getFloat(columnName); } catch (SQLException e) { handleException(e); return 0; } }
282 
283     public double getDouble(String columnName) throws SQLException
284     { try { return _res.getDouble(columnName); } catch (SQLException e) { handleException(e); return 0; } }
285 
286     /** @deprecated */
287     public BigDecimal getBigDecimal(String columnName, int scale) throws SQLException
288     { try { return _res.getBigDecimal(columnName); } catch (SQLException e) { handleException(e); return null; } }
289 
290     public byte[] getBytes(String columnName) throws SQLException
291     { try { return _res.getBytes(columnName); } catch (SQLException e) { handleException(e); return null; } }
292 
293     public Date getDate(String columnName) throws SQLException
294     { try { return _res.getDate(columnName); } catch (SQLException e) { handleException(e); return null; } }
295 
296     public Time getTime(String columnName) throws SQLException
297     { try { return _res.getTime(columnName); } catch (SQLException e) { handleException(e); return null; } }
298 
299     public Timestamp getTimestamp(String columnName) throws SQLException
300     { try { return _res.getTimestamp(columnName); } catch (SQLException e) { handleException(e); return null; } }
301 
302     public InputStream getAsciiStream(String columnName) throws SQLException
303     { try { return _res.getAsciiStream(columnName); } catch (SQLException e) { handleException(e); return null; } }
304 
305     /** @deprecated */
306     public InputStream getUnicodeStream(String columnName) throws SQLException
307     { try { return _res.getUnicodeStream(columnName); } catch (SQLException e) { handleException(e); return null; } }
308 
309     public InputStream getBinaryStream(String columnName) throws SQLException
310     { try { return _res.getBinaryStream(columnName); } catch (SQLException e) { handleException(e); return null; } }
311 
312     public SQLWarning getWarnings() throws SQLException
313     { try { return _res.getWarnings(); } catch (SQLException e) { handleException(e); return null; } }
314 
315     public void clearWarnings() throws SQLException
316     { try { _res.clearWarnings(); } catch (SQLException e) { handleException(e); } }
317 
318     public String getCursorName() throws SQLException
319     { try { return _res.getCursorName(); } catch (SQLException e) { handleException(e); return null; } }
320 
321     public ResultSetMetaData getMetaData() throws SQLException
322     { try { return _res.getMetaData(); } catch (SQLException e) { handleException(e); return null; } }
323 
324     public Object getObject(int columnIndex) throws SQLException
325     { try { return _res.getObject(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
326 
327     public Object getObject(String columnName) throws SQLException
328     { try { return _res.getObject(columnName); } catch (SQLException e) { handleException(e); return null; } }
329 
330     public int findColumn(String columnName) throws SQLException
331     { try { return _res.findColumn(columnName); } catch (SQLException e) { handleException(e); return 0; } }
332 
333     public Reader getCharacterStream(int columnIndex) throws SQLException
334     { try { return _res.getCharacterStream(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
335 
336     public Reader getCharacterStream(String columnName) throws SQLException
337     { try { return _res.getCharacterStream(columnName); } catch (SQLException e) { handleException(e); return null; } }
338 
339     public BigDecimal getBigDecimal(int columnIndex) throws SQLException
340     { try { return _res.getBigDecimal(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
341 
342     public BigDecimal getBigDecimal(String columnName) throws SQLException
343     { try { return _res.getBigDecimal(columnName); } catch (SQLException e) { handleException(e); return null; } }
344 
345     public boolean isBeforeFirst() throws SQLException
346     { try { return _res.isBeforeFirst(); } catch (SQLException e) { handleException(e); return false; } }
347 
348     public boolean isAfterLast() throws SQLException
349     { try { return _res.isAfterLast(); } catch (SQLException e) { handleException(e); return false; } }
350 
351     public boolean isFirst() throws SQLException
352     { try { return _res.isFirst(); } catch (SQLException e) { handleException(e); return false; } }
353 
354     public boolean isLast() throws SQLException
355     { try { return _res.isLast(); } catch (SQLException e) { handleException(e); return false; } }
356 
357     public void beforeFirst() throws SQLException
358     { try { _res.beforeFirst(); } catch (SQLException e) { handleException(e); } }
359 
360     public void afterLast() throws SQLException
361     { try { _res.afterLast(); } catch (SQLException e) { handleException(e); } }
362 
363     public boolean first() throws SQLException
364     { try { return _res.first(); } catch (SQLException e) { handleException(e); return false; } }
365 
366     public boolean last() throws SQLException
367     { try { return _res.last(); } catch (SQLException e) { handleException(e); return false; } }
368 
369     public int getRow() throws SQLException
370     { try { return _res.getRow(); } catch (SQLException e) { handleException(e); return 0; } }
371 
372     public boolean absolute(int row) throws SQLException
373     { try { return _res.absolute(row); } catch (SQLException e) { handleException(e); return false; } }
374 
375     public boolean relative(int rows) throws SQLException
376     { try { return _res.relative(rows); } catch (SQLException e) { handleException(e); return false; } }
377 
378     public boolean previous() throws SQLException
379     { try { return _res.previous(); } catch (SQLException e) { handleException(e); return false; } }
380 
381     public void setFetchDirection(int direction) throws SQLException
382     { try { _res.setFetchDirection(direction); } catch (SQLException e) { handleException(e); } }
383 
384     public int getFetchDirection() throws SQLException
385     { try { return _res.getFetchDirection(); } catch (SQLException e) { handleException(e); return 0; } }
386 
387     public void setFetchSize(int rows) throws SQLException
388     { try { _res.setFetchSize(rows); } catch (SQLException e) { handleException(e); } }
389 
390     public int getFetchSize() throws SQLException
391     { try { return _res.getFetchSize(); } catch (SQLException e) { handleException(e); return 0; } }
392 
393     public int getType() throws SQLException
394     { try { return _res.getType(); } catch (SQLException e) { handleException(e); return 0; } }
395 
396     public int getConcurrency() throws SQLException
397     { try { return _res.getConcurrency(); } catch (SQLException e) { handleException(e); return 0; } }
398 
399     public boolean rowUpdated() throws SQLException
400     { try { return _res.rowUpdated(); } catch (SQLException e) { handleException(e); return false; } }
401 
402     public boolean rowInserted() throws SQLException
403     { try { return _res.rowInserted(); } catch (SQLException e) { handleException(e); return false; } }
404 
405     public boolean rowDeleted() throws SQLException
406     { try { return _res.rowDeleted(); } catch (SQLException e) { handleException(e); return false; } }
407 
408     public void updateNull(int columnIndex) throws SQLException
409     { try { _res.updateNull(columnIndex); } catch (SQLException e) { handleException(e); } }
410 
411     public void updateBoolean(int columnIndex, boolean x) throws SQLException
412     { try { _res.updateBoolean(columnIndex, x); } catch (SQLException e) { handleException(e); } }
413 
414     public void updateByte(int columnIndex, byte x) throws SQLException
415     { try { _res.updateByte(columnIndex, x); } catch (SQLException e) { handleException(e); } }
416 
417     public void updateShort(int columnIndex, short x) throws SQLException
418     { try { _res.updateShort(columnIndex, x); } catch (SQLException e) { handleException(e); } }
419 
420     public void updateInt(int columnIndex, int x) throws SQLException
421     { try { _res.updateInt(columnIndex, x); } catch (SQLException e) { handleException(e); } }
422 
423     public void updateLong(int columnIndex, long x) throws SQLException
424     { try { _res.updateLong(columnIndex, x); } catch (SQLException e) { handleException(e); } }
425 
426     public void updateFloat(int columnIndex, float x) throws SQLException
427     { try { _res.updateFloat(columnIndex, x); } catch (SQLException e) { handleException(e); } }
428 
429     public void updateDouble(int columnIndex, double x) throws SQLException
430     { try { _res.updateDouble(columnIndex, x); } catch (SQLException e) { handleException(e); } }
431 
432     public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException
433     { try { _res.updateBigDecimal(columnIndex, x); } catch (SQLException e) { handleException(e); } }
434 
435     public void updateString(int columnIndex, String x) throws SQLException
436     { try { _res.updateString(columnIndex, x); } catch (SQLException e) { handleException(e); } }
437 
438     public void updateBytes(int columnIndex, byte[] x) throws SQLException
439     { try { _res.updateBytes(columnIndex, x); } catch (SQLException e) { handleException(e); } }
440 
441     public void updateDate(int columnIndex, Date x) throws SQLException
442     { try { _res.updateDate(columnIndex, x); } catch (SQLException e) { handleException(e); } }
443 
444     public void updateTime(int columnIndex, Time x) throws SQLException
445     { try { _res.updateTime(columnIndex, x); } catch (SQLException e) { handleException(e); } }
446 
447     public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException
448     { try { _res.updateTimestamp(columnIndex, x); } catch (SQLException e) { handleException(e); } }
449 
450     public void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException
451     { try { _res.updateAsciiStream(columnIndex, x, length); } catch (SQLException e) { handleException(e); } }
452 
453     public void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException
454     { try { _res.updateBinaryStream(columnIndex, x, length); } catch (SQLException e) { handleException(e); } }
455 
456     public void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException
457     { try { _res.updateCharacterStream(columnIndex, x, length); } catch (SQLException e) { handleException(e); } }
458 
459     public void updateObject(int columnIndex, Object x, int scale) throws SQLException
460     { try { _res.updateObject(columnIndex, x); } catch (SQLException e) { handleException(e); } }
461 
462     public void updateObject(int columnIndex, Object x) throws SQLException
463     { try { _res.updateObject(columnIndex, x); } catch (SQLException e) { handleException(e); } }
464 
465     public void updateNull(String columnName) throws SQLException
466     { try { _res.updateNull(columnName); } catch (SQLException e) { handleException(e); } }
467 
468     public void updateBoolean(String columnName, boolean x) throws SQLException
469     { try { _res.updateBoolean(columnName, x); } catch (SQLException e) { handleException(e); } }
470 
471     public void updateByte(String columnName, byte x) throws SQLException
472     { try { _res.updateByte(columnName, x); } catch (SQLException e) { handleException(e); } }
473 
474     public void updateShort(String columnName, short x) throws SQLException
475     { try { _res.updateShort(columnName, x); } catch (SQLException e) { handleException(e); } }
476 
477     public void updateInt(String columnName, int x) throws SQLException
478     { try { _res.updateInt(columnName, x); } catch (SQLException e) { handleException(e); } }
479 
480     public void updateLong(String columnName, long x) throws SQLException
481     { try { _res.updateLong(columnName, x); } catch (SQLException e) { handleException(e); } }
482 
483     public void updateFloat(String columnName, float x) throws SQLException
484     { try { _res.updateFloat(columnName, x); } catch (SQLException e) { handleException(e); } }
485 
486     public void updateDouble(String columnName, double x) throws SQLException
487     { try { _res.updateDouble(columnName, x); } catch (SQLException e) { handleException(e); } }
488 
489     public void updateBigDecimal(String columnName, BigDecimal x) throws SQLException
490     { try { _res.updateBigDecimal(columnName, x); } catch (SQLException e) { handleException(e); } }
491 
492     public void updateString(String columnName, String x) throws SQLException
493     { try { _res.updateString(columnName, x); } catch (SQLException e) { handleException(e); } }
494 
495     public void updateBytes(String columnName, byte[] x) throws SQLException
496     { try { _res.updateBytes(columnName, x); } catch (SQLException e) { handleException(e); } }
497 
498     public void updateDate(String columnName, Date x) throws SQLException
499     { try { _res.updateDate(columnName, x); } catch (SQLException e) { handleException(e); } }
500 
501     public void updateTime(String columnName, Time x) throws SQLException
502     { try { _res.updateTime(columnName, x); } catch (SQLException e) { handleException(e); } }
503 
504     public void updateTimestamp(String columnName, Timestamp x) throws SQLException
505     { try { _res.updateTimestamp(columnName, x); } catch (SQLException e) { handleException(e); } }
506 
507     public void updateAsciiStream(String columnName, InputStream x, int length) throws SQLException
508     { try { _res.updateAsciiStream(columnName, x, length); } catch (SQLException e) { handleException(e); } }
509 
510     public void updateBinaryStream(String columnName, InputStream x, int length) throws SQLException
511     { try { _res.updateBinaryStream(columnName, x, length); } catch (SQLException e) { handleException(e); } }
512 
513     public void updateCharacterStream(String columnName, Reader reader, int length) throws SQLException
514     { try { _res.updateCharacterStream(columnName, reader, length); } catch (SQLException e) { handleException(e); } }
515 
516     public void updateObject(String columnName, Object x, int scale) throws SQLException
517     { try { _res.updateObject(columnName, x); } catch (SQLException e) { handleException(e); } }
518 
519     public void updateObject(String columnName, Object x) throws SQLException
520     { try { _res.updateObject(columnName, x); } catch (SQLException e) { handleException(e); } }
521 
522     public void insertRow() throws SQLException
523     { try { _res.insertRow(); } catch (SQLException e) { handleException(e); } }
524 
525     public void updateRow() throws SQLException
526     { try { _res.updateRow(); } catch (SQLException e) { handleException(e); } }
527 
528     public void deleteRow() throws SQLException
529     { try { _res.deleteRow(); } catch (SQLException e) { handleException(e); } }
530 
531     public void refreshRow() throws SQLException
532     { try { _res.refreshRow(); } catch (SQLException e) { handleException(e); } }
533 
534     public void cancelRowUpdates() throws SQLException
535     { try { _res.cancelRowUpdates(); } catch (SQLException e) { handleException(e); } }
536 
537     public void moveToInsertRow() throws SQLException
538     { try { _res.moveToInsertRow(); } catch (SQLException e) { handleException(e); } }
539 
540     public void moveToCurrentRow() throws SQLException
541     { try { _res.moveToCurrentRow(); } catch (SQLException e) { handleException(e); } }
542 
543     public Object getObject(int i, Map map) throws SQLException
544     { try { return _res.getObject(i, map); } catch (SQLException e) { handleException(e); return null; } }
545 
546     public Ref getRef(int i) throws SQLException
547     { try { return _res.getRef(i); } catch (SQLException e) { handleException(e); return null; } }
548 
549     public Blob getBlob(int i) throws SQLException
550     { try { return _res.getBlob(i); } catch (SQLException e) { handleException(e); return null; } }
551 
552     public Clob getClob(int i) throws SQLException
553     { try { return _res.getClob(i); } catch (SQLException e) { handleException(e); return null; } }
554 
555     public Array getArray(int i) throws SQLException
556     { try { return _res.getArray(i); } catch (SQLException e) { handleException(e); return null; } }
557 
558     public Object getObject(String colName, Map map) throws SQLException
559     { try { return _res.getObject(colName, map); } catch (SQLException e) { handleException(e); return null; } }
560 
561     public Ref getRef(String colName) throws SQLException
562     { try { return _res.getRef(colName); } catch (SQLException e) { handleException(e); return null; } }
563 
564     public Blob getBlob(String colName) throws SQLException
565     { try { return _res.getBlob(colName); } catch (SQLException e) { handleException(e); return null; } }
566 
567     public Clob getClob(String colName) throws SQLException
568     { try { return _res.getClob(colName); } catch (SQLException e) { handleException(e); return null; } }
569 
570     public Array getArray(String colName) throws SQLException
571     { try { return _res.getArray(colName); } catch (SQLException e) { handleException(e); return null; } }
572 
573     public Date getDate(int columnIndex, Calendar cal) throws SQLException
574     { try { return _res.getDate(columnIndex, cal); } catch (SQLException e) { handleException(e); return null; } }
575 
576     public Date getDate(String columnName, Calendar cal) throws SQLException
577     { try { return _res.getDate(columnName, cal); } catch (SQLException e) { handleException(e); return null; } }
578 
579     public Time getTime(int columnIndex, Calendar cal) throws SQLException
580     { try { return _res.getTime(columnIndex, cal); } catch (SQLException e) { handleException(e); return null; } }
581 
582     public Time getTime(String columnName, Calendar cal) throws SQLException
583     { try { return _res.getTime(columnName, cal); } catch (SQLException e) { handleException(e); return null; } }
584 
585     public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException
586     { try { return _res.getTimestamp(columnIndex, cal); } catch (SQLException e) { handleException(e); return null; } }
587 
588     public Timestamp getTimestamp(String columnName, Calendar cal) throws SQLException
589     { try { return _res.getTimestamp(columnName, cal); } catch (SQLException e) { handleException(e); return null; } }
590 
591 
592     public java.net.URL getURL(int columnIndex) throws SQLException
593     { try { return _res.getURL(columnIndex); } catch (SQLException e) { handleException(e); return null; } }
594 
595     public java.net.URL getURL(String columnName) throws SQLException
596     { try { return _res.getURL(columnName); } catch (SQLException e) { handleException(e); return null; } }
597 
598     public void updateRef(int columnIndex, java.sql.Ref x) throws SQLException
599     { try { _res.updateRef(columnIndex, x); } catch (SQLException e) { handleException(e); } }
600 
601     public void updateRef(String columnName, java.sql.Ref x) throws SQLException
602     { try { _res.updateRef(columnName, x); } catch (SQLException e) { handleException(e); } }
603 
604     public void updateBlob(int columnIndex, java.sql.Blob x) throws SQLException
605     { try { _res.updateBlob(columnIndex, x); } catch (SQLException e) { handleException(e); } }
606 
607     public void updateBlob(String columnName, java.sql.Blob x) throws SQLException
608     { try { _res.updateBlob(columnName, x); } catch (SQLException e) { handleException(e); } }
609 
610     public void updateClob(int columnIndex, java.sql.Clob x) throws SQLException
611     { try { _res.updateClob(columnIndex, x); } catch (SQLException e) { handleException(e); } }
612 
613     public void updateClob(String columnName, java.sql.Clob x) throws SQLException
614     { try { _res.updateClob(columnName, x); } catch (SQLException e) { handleException(e); } }
615 
616     public void updateArray(int columnIndex, java.sql.Array x) throws SQLException
617     { try { _res.updateArray(columnIndex, x); } catch (SQLException e) { handleException(e); } }
618 
619     public void updateArray(String columnName, java.sql.Array x) throws SQLException
620     { try { _res.updateArray(columnName, x); } catch (SQLException e) { handleException(e); } }
621 
622 /* JDBC_4_ANT_KEY_BEGIN */
623 
624     public boolean isWrapperFor(Class<?> iface) throws SQLException {
625         return iface.isAssignableFrom(getClass()) || _res.isWrapperFor(iface);
626     }
627 
628     public <T> T unwrap(Class<T> iface) throws SQLException {
629         if (iface.isAssignableFrom(getClass())) {
630             return iface.cast(this);
631         } else if (iface.isAssignableFrom(_res.getClass())) {
632             return iface.cast(_res);
633         } else {
634             return _res.unwrap(iface);
635         }
636     }
637 
638     public RowId getRowId(int columnIndex) throws SQLException {
639         try {
640             return _res.getRowId(columnIndex);
641         }
642         catch (SQLException e) {
643             handleException(e);
644             return null;
645         }
646     }
647 
648     public RowId getRowId(String columnLabel) throws SQLException {
649         try {
650             return _res.getRowId(columnLabel);
651         }
652         catch (SQLException e) {
653             handleException(e);
654             return null;
655         }
656     }
657 
658     public void updateRowId(int columnIndex, RowId value) throws SQLException {
659         try {
660             _res.updateRowId(columnIndex, value);
661         }
662         catch (SQLException e) {
663             handleException(e);
664         }
665     }
666 
667     public void updateRowId(String columnLabel, RowId value) throws SQLException {
668         try {
669             _res.updateRowId(columnLabel, value);
670         }
671         catch (SQLException e) {
672             handleException(e);
673         }
674     }
675 
676     public int getHoldability() throws SQLException {
677         try {
678             return _res.getHoldability();
679         }
680         catch (SQLException e) {
681             handleException(e);
682             return 0;
683         }
684     }
685 
686     public boolean isClosed() throws SQLException {
687         try {
688             return _res.isClosed();
689         }
690         catch (SQLException e) {
691             handleException(e);
692             return false;
693         }
694     }
695 
696     public void updateNString(int columnIndex, String value) throws SQLException {
697         try {
698             _res.updateNString(columnIndex, value);
699         }
700         catch (SQLException e) {
701             handleException(e);
702         }
703     }
704 
705     public void updateNString(String columnLabel, String value) throws SQLException {
706         try {
707             _res.updateNString(columnLabel, value);
708         }
709         catch (SQLException e) {
710             handleException(e);
711         }
712     }
713 
714     public void updateNClob(int columnIndex, NClob value) throws SQLException {
715         try {
716             _res.updateNClob(columnIndex, value);
717         }
718         catch (SQLException e) {
719             handleException(e);
720         }
721     }
722 
723     public void updateNClob(String columnLabel, NClob value) throws SQLException {
724         try {
725             _res.updateNClob(columnLabel, value);
726         }
727         catch (SQLException e) {
728             handleException(e);
729         }
730     }
731 
732     public NClob getNClob(int columnIndex) throws SQLException {
733         try {
734             return _res.getNClob(columnIndex);
735         }
736         catch (SQLException e) {
737             handleException(e);
738             return null;
739         }
740     }
741 
742     public NClob getNClob(String columnLabel) throws SQLException {
743         try {
744             return _res.getNClob(columnLabel);
745         }
746         catch (SQLException e) {
747             handleException(e);
748             return null;
749         }
750     }
751 
752     public SQLXML getSQLXML(int columnIndex) throws SQLException {
753         try {
754             return _res.getSQLXML(columnIndex);
755         }
756         catch (SQLException e) {
757             handleException(e);
758             return null;
759         }
760     }
761 
762     public SQLXML getSQLXML(String columnLabel) throws SQLException {
763         try {
764             return _res.getSQLXML(columnLabel);
765         }
766         catch (SQLException e) {
767             handleException(e);
768             return null;
769         }
770     }
771 
772     public void updateSQLXML(int columnIndex, SQLXML value) throws SQLException {
773         try {
774             _res.updateSQLXML(columnIndex, value);
775         }
776         catch (SQLException e) {
777             handleException(e);
778         }
779     }
780 
781     public void updateSQLXML(String columnLabel, SQLXML value) throws SQLException {
782         try {
783             _res.updateSQLXML(columnLabel, value);
784         }
785         catch (SQLException e) {
786             handleException(e);
787         }
788     }
789 
790     public String getNString(int columnIndex) throws SQLException {
791         try {
792             return _res.getNString(columnIndex);
793         }
794         catch (SQLException e) {
795             handleException(e);
796             return null;
797         }
798     }
799 
800     public String getNString(String columnLabel) throws SQLException {
801         try {
802             return _res.getNString(columnLabel);
803         }
804         catch (SQLException e) {
805             handleException(e);
806             return null;
807         }
808     }
809 
810     public Reader getNCharacterStream(int columnIndex) throws SQLException {
811         try {
812             return _res.getNCharacterStream(columnIndex);
813         }
814         catch (SQLException e) {
815             handleException(e);
816             return null;
817         }
818     }
819 
820     public Reader getNCharacterStream(String columnLabel) throws SQLException {
821         try {
822             return _res.getNCharacterStream(columnLabel);
823         }
824         catch (SQLException e) {
825             handleException(e);
826             return null;
827         }
828     }
829 
830     public void updateNCharacterStream(int columnIndex, Reader reader, long length) throws SQLException {
831         try {
832             _res.updateNCharacterStream(columnIndex, reader, length);
833         }
834         catch (SQLException e) {
835             handleException(e);
836         }
837     }
838 
839     public void updateNCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
840         try {
841             _res.updateNCharacterStream(columnLabel, reader, length);
842         }
843         catch (SQLException e) {
844             handleException(e);
845         }
846     }
847 
848     public void updateAsciiStream(int columnIndex, InputStream inputStream, long length) throws SQLException {
849         try {
850             _res.updateAsciiStream(columnIndex, inputStream, length);
851         }
852         catch (SQLException e) {
853             handleException(e);
854         }
855     }
856 
857     public void updateBinaryStream(int columnIndex, InputStream inputStream, long length) throws SQLException {
858         try {
859             _res.updateBinaryStream(columnIndex, inputStream, length);
860         }
861         catch (SQLException e) {
862             handleException(e);
863         }
864     }
865 
866     public void updateCharacterStream(int columnIndex, Reader reader, long length) throws SQLException {
867         try {
868             _res.updateCharacterStream(columnIndex, reader, length);
869         }
870         catch (SQLException e) {
871             handleException(e);
872         }
873     }
874 
875     public void updateAsciiStream(String columnLabel, InputStream inputStream, long length) throws SQLException {
876         try {
877             _res.updateAsciiStream(columnLabel, inputStream, length);
878         }
879         catch (SQLException e) {
880             handleException(e);
881         }
882     }
883 
884     public void updateBinaryStream(String columnLabel, InputStream inputStream, long length) throws SQLException {
885         try {
886             _res.updateBinaryStream(columnLabel, inputStream, length);
887         }
888         catch (SQLException e) {
889             handleException(e);
890         }
891     }
892 
893     public void updateCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
894         try {
895             _res.updateCharacterStream(columnLabel, reader, length);
896         }
897         catch (SQLException e) {
898             handleException(e);
899         }
900     }
901 
902     public void updateBlob(int columnIndex, InputStream inputStream, long length) throws SQLException {
903         try {
904             _res.updateBlob(columnIndex, inputStream, length);
905         }
906         catch (SQLException e) {
907             handleException(e);
908         }
909     }
910 
911     public void updateBlob(String columnLabel, InputStream inputStream, long length) throws SQLException {
912         try {
913             _res.updateBlob(columnLabel, inputStream, length);
914         }
915         catch (SQLException e) {
916             handleException(e);
917         }
918     }
919 
920     public void updateClob(int columnIndex, Reader reader, long length) throws SQLException {
921         try {
922             _res.updateClob(columnIndex, reader, length);
923         }
924         catch (SQLException e) {
925             handleException(e);
926         }
927     }
928 
929     public void updateClob(String columnLabel, Reader reader, long length) throws SQLException {
930         try {
931             _res.updateClob(columnLabel, reader, length);
932         }
933         catch (SQLException e) {
934             handleException(e);
935         }
936     }
937 
938     public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException {
939         try {
940             _res.updateNClob(columnIndex, reader, length);
941         }
942         catch (SQLException e) {
943             handleException(e);
944         }
945     }
946 
947     public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException {
948         try {
949             _res.updateNClob(columnLabel, reader, length);
950         }
951         catch (SQLException e) {
952             handleException(e);
953         }
954     }
955 
956     public void updateNCharacterStream(int columnIndex, Reader reader) throws SQLException {
957         try {
958             _res.updateNCharacterStream(columnIndex, reader);
959         }
960         catch (SQLException e) {
961             handleException(e);
962         }
963     }
964 
965     public void updateNCharacterStream(String columnLabel, Reader reader) throws SQLException {
966         try {
967             _res.updateNCharacterStream(columnLabel, reader);
968         }
969         catch (SQLException e) {
970             handleException(e);
971         }
972     }
973 
974     public void updateAsciiStream(int columnIndex, InputStream inputStream) throws SQLException {
975         try {
976             _res.updateAsciiStream(columnIndex, inputStream);
977         }
978         catch (SQLException e) {
979             handleException(e);
980         }
981     }
982 
983     public void updateBinaryStream(int columnIndex, InputStream inputStream) throws SQLException {
984         try {
985             _res.updateBinaryStream(columnIndex, inputStream);
986         }
987         catch (SQLException e) {
988             handleException(e);
989         }
990     }
991 
992     public void updateCharacterStream(int columnIndex, Reader reader) throws SQLException {
993         try {
994             _res.updateCharacterStream(columnIndex, reader);
995         }
996         catch (SQLException e) {
997             handleException(e);
998         }
999     }
1000 
1001     public void updateAsciiStream(String columnLabel, InputStream inputStream) throws SQLException {
1002         try {
1003             _res.updateAsciiStream(columnLabel, inputStream);
1004         }
1005         catch (SQLException e) {
1006             handleException(e);
1007         }
1008     }
1009 
1010     public void updateBinaryStream(String columnLabel, InputStream inputStream) throws SQLException {
1011         try {
1012             _res.updateBinaryStream(columnLabel, inputStream);
1013         }
1014         catch (SQLException e) {
1015             handleException(e);
1016         }
1017     }
1018 
1019     public void updateCharacterStream(String columnLabel, Reader reader) throws SQLException {
1020         try {
1021             _res.updateCharacterStream(columnLabel, reader);
1022         }
1023         catch (SQLException e) {
1024             handleException(e);
1025         }
1026     }
1027 
1028     public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException {
1029         try {
1030             _res.updateBlob(columnIndex, inputStream);
1031         }
1032         catch (SQLException e) {
1033             handleException(e);
1034         }
1035     }
1036 
1037     public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException {
1038         try {
1039             _res.updateBlob(columnLabel, inputStream);
1040         }
1041         catch (SQLException e) {
1042             handleException(e);
1043         }
1044     }
1045 
1046     public void updateClob(int columnIndex, Reader reader) throws SQLException {
1047         try {
1048             _res.updateClob(columnIndex, reader);
1049         }
1050         catch (SQLException e) {
1051             handleException(e);
1052         }
1053     }
1054 
1055     public void updateClob(String columnLabel, Reader reader) throws SQLException {
1056         try {
1057             _res.updateClob(columnLabel, reader);
1058         }
1059         catch (SQLException e) {
1060             handleException(e);
1061         }
1062     }
1063 
1064     public void updateNClob(int columnIndex, Reader reader) throws SQLException {
1065         try {
1066             _res.updateNClob(columnIndex, reader);
1067         }
1068         catch (SQLException e) {
1069             handleException(e);
1070         }
1071     }
1072 
1073     public void updateNClob(String columnLabel, Reader reader) throws SQLException {
1074         try {
1075             _res.updateNClob(columnLabel, reader);
1076         }
1077         catch (SQLException e) {
1078             handleException(e);
1079         }
1080     }
1081 /* JDBC_4_ANT_KEY_END */
1082 }