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| 1 | /* | ||
| 2 | * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package javax.sql.rowset.serial; | ||
| 27 | |||
| 28 | import java.sql.*; | ||
| 29 | import javax.sql.*; | ||
| 30 | import java.io.*; | ||
| 31 | import java.lang.String; | ||
| 32 | import java.math.*; | ||
| 33 | import java.util.Map; | ||
| 34 | import java.util.Vector; | ||
| 35 | |||
| 36 | /** | ||
| 37 | * The output stream for writing the attributes of a | ||
| 38 | * custom-mapped user-defined type (UDT) back to the database. | ||
| 39 | * The driver uses this interface internally, and its | ||
| 40 | * methods are never directly invoked by an application programmer. | ||
| 41 | * <p> | ||
| 42 | * When an application calls the | ||
| 43 | * method <code>PreparedStatement.setObject</code>, the driver | ||
| 44 | * checks to see whether the value to be written is a UDT with | ||
| 45 | * a custom mapping. If it is, there will be an entry in a | ||
| 46 | * type map containing the <code>Class</code> object for the | ||
| 47 | * class that implements <code>SQLData</code> for this UDT. | ||
| 48 | * If the value to be written is an instance of <code>SQLData</code>, | ||
| 49 | * the driver will create an instance of <code>SQLOutputImpl</code> | ||
| 50 | * and pass it to the method <code>SQLData.writeSQL</code>. | ||
| 51 | * The method <code>writeSQL</code> in turn calls the | ||
| 52 | * appropriate <code>SQLOutputImpl.writeXXX</code> methods | ||
| 53 | * to write data from the <code>SQLData</code> object to | ||
| 54 | * the <code>SQLOutputImpl</code> output stream as the | ||
| 55 | * representation of an SQL user-defined type. | ||
| 56 | */ | ||
| 57 | public class SQLOutputImpl implements SQLOutput { | ||
| 58 | |||
| 59 | /** | ||
| 60 | * A reference to an existing vector that | ||
| 61 | * contains the attributes of a <code>Struct</code> object. | ||
| 62 | */ | ||
| 63 | private Vector attribs; | ||
| 64 | |||
| 65 | /** | ||
| 66 | * The type map the driver supplies to a newly created | ||
| 67 | * <code>SQLOutputImpl</code> object. This type map | ||
| 68 | * indicates the <code>SQLData</code> class whose | ||
| 69 | * <code>writeSQL</code> method will be called. This | ||
| 70 | * method will in turn call the appropriate | ||
| 71 | * <code>SQLOutputImpl</code> writer methods. | ||
| 72 | */ | ||
| 73 | private Map map; | ||
| 74 | |||
| 75 | /** | ||
| 76 | * Creates a new <code>SQLOutputImpl</code> object | ||
| 77 | * initialized with the given vector of attributes and | ||
| 78 | * type map. The driver will use the type map to determine | ||
| 79 | * which <code>SQLData.writeSQL</code> method to invoke. | ||
| 80 | * This method will then call the appropriate | ||
| 81 | * <code>SQLOutputImpl</code> writer methods in order and | ||
| 82 | * thereby write the attributes to the new output stream. | ||
| 83 | * | ||
| 84 | * @param attributes a <code>Vector</code> object containing the attributes of | ||
| 85 | * the UDT to be mapped to one or more objects in the Java | ||
| 86 | * programming language | ||
| 87 | * | ||
| 88 | * @param map a <code>java.util.Map</code> object containing zero or | ||
| 89 | * more entries, with each entry consisting of 1) a <code>String</code> | ||
| 90 | * giving the fully qualified name of a UDT and 2) the | ||
| 91 | * <code>Class</code> object for the <code>SQLData</code> implementation | ||
| 92 | * that defines how the UDT is to be mapped | ||
| 93 | * @throws SQLException if the <code>attributes</code> or the <code>map</code> | ||
| 94 | * is a <code>null</code> value | ||
| 95 | */ | ||
| 96 | public SQLOutputImpl(Vector<?> attributes, Map<String,?> map) | ||
| 97 | throws SQLException | ||
| 98 | { | ||
| 99 | if ((attributes == null) || (map == null)) { | ||
| 100 | throw new SQLException("Cannot instantiate a SQLOutputImpl " + | ||
| 101 | "instance with null parameters"); | ||
| 102 | } | ||
| 103 | this.attribs = attributes; | ||
| 104 | this.map = map; | ||
| 105 | } | ||
| 106 | |||
| 107 | //================================================================ | ||
| 108 | // Methods for writing attributes to the stream of SQL data. | ||
| 109 | // These methods correspond to the column-accessor methods of | ||
| 110 | // java.sql.ResultSet. | ||
| 111 | //================================================================ | ||
| 112 | |||
| 113 | /** | ||
| 114 | * Writes a <code>String</code> in the Java programming language | ||
| 115 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 116 | * it to an SQL <code>CHAR</code>, <code>VARCHAR</code>, or | ||
| 117 | * <code>LONGVARCHAR</code> before returning it to the database. | ||
| 118 | * | ||
| 119 | * @param x the value to pass to the database | ||
| 120 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 121 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 122 | * values of a UDT to the database. | ||
| 123 | */ | ||
| 124 | public void writeString(String x) throws SQLException { | ||
| 125 | //System.out.println("Adding :"+x); | ||
| 126 | attribs.add(x); | ||
| 127 | } | ||
| 128 | |||
| 129 | /** | ||
| 130 | * Writes a <code>boolean</code> in the Java programming language | ||
| 131 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 132 | * it to an SQL <code>BIT</code> before returning it to the database. | ||
| 133 | * | ||
| 134 | * @param x the value to pass to the database | ||
| 135 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 136 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 137 | * values of a UDT to the database. | ||
| 138 | */ | ||
| 139 | public void writeBoolean(boolean x) throws SQLException { | ||
| 140 | attribs.add(Boolean.valueOf(x)); | ||
| 141 | } | ||
| 142 | |||
| 143 | /** | ||
| 144 | * Writes a <code>byte</code> in the Java programming language | ||
| 145 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 146 | * it to an SQL <code>BIT</code> before returning it to the database. | ||
| 147 | * | ||
| 148 | * @param x the value to pass to the database | ||
| 149 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 150 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 151 | * values of a UDT to the database. | ||
| 152 | */ | ||
| 153 | public void writeByte(byte x) throws SQLException { | ||
| 154 | attribs.add(Byte.valueOf(x)); | ||
| 155 | } | ||
| 156 | |||
| 157 | /** | ||
| 158 | * Writes a <code>short</code> in the Java programming language | ||
| 159 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 160 | * it to an SQL <code>SMALLINT</code> before returning it to the database. | ||
| 161 | * | ||
| 162 | * @param x the value to pass to the database | ||
| 163 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 164 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 165 | * values of a UDT to the database. | ||
| 166 | */ | ||
| 167 | public void writeShort(short x) throws SQLException { | ||
| 168 | attribs.add(Short.valueOf(x)); | ||
| 169 | } | ||
| 170 | |||
| 171 | /** | ||
| 172 | * Writes an <code>int</code> in the Java programming language | ||
| 173 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 174 | * it to an SQL <code>INTEGER</code> before returning it to the database. | ||
| 175 | * | ||
| 176 | * @param x the value to pass to the database | ||
| 177 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 178 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 179 | * values of a UDT to the database. | ||
| 180 | */ | ||
| 181 | public void writeInt(int x) throws SQLException { | ||
| 182 | attribs.add(Integer.valueOf(x)); | ||
| 183 | } | ||
| 184 | |||
| 185 | /** | ||
| 186 | * Writes a <code>long</code> in the Java programming language | ||
| 187 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 188 | * it to an SQL <code>BIGINT</code> before returning it to the database. | ||
| 189 | * | ||
| 190 | * @param x the value to pass to the database | ||
| 191 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 192 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 193 | * values of a UDT to the database. | ||
| 194 | */ | ||
| 195 | public void writeLong(long x) throws SQLException { | ||
| 196 | attribs.add(Long.valueOf(x)); | ||
| 197 | } | ||
| 198 | |||
| 199 | /** | ||
| 200 | * Writes a <code>float</code> in the Java programming language | ||
| 201 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 202 | * it to an SQL <code>REAL</code> before returning it to the database. | ||
| 203 | * | ||
| 204 | * @param x the value to pass to the database | ||
| 205 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 206 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 207 | * values of a UDT to the database. | ||
| 208 | */ | ||
| 209 | public void writeFloat(float x) throws SQLException { | ||
| 210 | attribs.add(new Float(x)); | ||
| 211 | } | ||
| 212 | |||
| 213 | /** | ||
| 214 | * Writes a <code>double</code> in the Java programming language | ||
| 215 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 216 | * it to an SQL <code>DOUBLE</code> before returning it to the database. | ||
| 217 | * | ||
| 218 | * @param x the value to pass to the database | ||
| 219 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 220 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 221 | * values of a UDT to the database. | ||
| 222 | */ | ||
| 223 | public void writeDouble(double x) throws SQLException{ | ||
| 224 | attribs.add(new Double(x)); | ||
| 225 | } | ||
| 226 | |||
| 227 | /** | ||
| 228 | * Writes a <code>java.math.BigDecimal</code> object in the Java programming | ||
| 229 | * language to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 230 | * it to an SQL <code>NUMERIC</code> before returning it to the database. | ||
| 231 | * | ||
| 232 | * @param x the value to pass to the database | ||
| 233 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 234 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 235 | * values of a UDT to the database. | ||
| 236 | */ | ||
| 237 | public void writeBigDecimal(java.math.BigDecimal x) throws SQLException{ | ||
| 238 | attribs.add(x); | ||
| 239 | } | ||
| 240 | |||
| 241 | /** | ||
| 242 | * Writes an array of <code>bytes</code> in the Java programming language | ||
| 243 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 244 | * it to an SQL <code>VARBINARY</code> or <code>LONGVARBINARY</code> | ||
| 245 | * before returning it to the database. | ||
| 246 | * | ||
| 247 | * @param x the value to pass to the database | ||
| 248 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 249 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 250 | * values of a UDT to the database. | ||
| 251 | */ | ||
| 252 | public void writeBytes(byte[] x) throws SQLException { | ||
| 253 | attribs.add(x); | ||
| 254 | } | ||
| 255 | |||
| 256 | /** | ||
| 257 | * Writes a <code>java.sql.Date</code> object in the Java programming | ||
| 258 | * language to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 259 | * it to an SQL <code>DATE</code> before returning it to the database. | ||
| 260 | * | ||
| 261 | * @param x the value to pass to the database | ||
| 262 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 263 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 264 | * values of a UDT to the database. | ||
| 265 | */ | ||
| 266 | public void writeDate(java.sql.Date x) throws SQLException { | ||
| 267 | attribs.add(x); | ||
| 268 | } | ||
| 269 | |||
| 270 | /** | ||
| 271 | * Writes a <code>java.sql.Time</code> object in the Java programming | ||
| 272 | * language to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 273 | * it to an SQL <code>TIME</code> before returning it to the database. | ||
| 274 | * | ||
| 275 | * @param x the value to pass to the database | ||
| 276 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 277 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 278 | * values of a UDT to the database. | ||
| 279 | */ | ||
| 280 | public void writeTime(java.sql.Time x) throws SQLException { | ||
| 281 | attribs.add(x); | ||
| 282 | } | ||
| 283 | |||
| 284 | /** | ||
| 285 | * Writes a <code>java.sql.Timestamp</code> object in the Java programming | ||
| 286 | * language to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 287 | * it to an SQL <code>TIMESTAMP</code> before returning it to the database. | ||
| 288 | * | ||
| 289 | * @param x the value to pass to the database | ||
| 290 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 291 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 292 | * values of a UDT to the database. | ||
| 293 | */ | ||
| 294 | public void writeTimestamp(java.sql.Timestamp x) throws SQLException { | ||
| 295 | attribs.add(x); | ||
| 296 | } | ||
| 297 | |||
| 298 | /** | ||
| 299 | * Writes a stream of Unicode characters to this | ||
| 300 | * <code>SQLOutputImpl</code> object. The driver will do any necessary | ||
| 301 | * conversion from Unicode to the database <code>CHAR</code> format. | ||
| 302 | * | ||
| 303 | * @param x the value to pass to the database | ||
| 304 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 305 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 306 | * values of a UDT to the database. | ||
| 307 | */ | ||
| 308 | public void writeCharacterStream(java.io.Reader x) throws SQLException { | ||
| 309 | BufferedReader bufReader = new BufferedReader(x); | ||
| 310 | try { | ||
| 311 | int i; | ||
| 312 | while( (i = bufReader.read()) != -1 ) { | ||
| 313 | char ch = (char)i; | ||
| 314 | StringBuffer strBuf = new StringBuffer(); | ||
| 315 | strBuf.append(ch); | ||
| 316 | |||
| 317 | String str = new String(strBuf); | ||
| 318 | String strLine = bufReader.readLine(); | ||
| 319 | |||
| 320 | writeString(str.concat(strLine)); | ||
| 321 | } | ||
| 322 | } catch(IOException ioe) { | ||
| 323 | |||
| 324 | } | ||
| 325 | } | ||
| 326 | |||
| 327 | /** | ||
| 328 | * Writes a stream of ASCII characters to this | ||
| 329 | * <code>SQLOutputImpl</code> object. The driver will do any necessary | ||
| 330 | * conversion from ASCII to the database <code>CHAR</code> format. | ||
| 331 | * | ||
| 332 | * @param x the value to pass to the database | ||
| 333 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 334 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 335 | * values of a UDT to the database. | ||
| 336 | */ | ||
| 337 | public void writeAsciiStream(java.io.InputStream x) throws SQLException { | ||
| 338 | BufferedReader bufReader = new BufferedReader(new InputStreamReader(x)); | ||
| 339 | try { | ||
| 340 | int i; | ||
| 341 | while( (i=bufReader.read()) != -1 ) { | ||
| 342 | char ch = (char)i; | ||
| 343 | |||
| 344 | StringBuffer strBuf = new StringBuffer(); | ||
| 345 | strBuf.append(ch); | ||
| 346 | |||
| 347 | String str = new String(strBuf); | ||
| 348 | String strLine = bufReader.readLine(); | ||
| 349 | |||
| 350 | writeString(str.concat(strLine)); | ||
| 351 | } | ||
| 352 | }catch(IOException ioe) { | ||
| 353 | throw new SQLException(ioe.getMessage()); | ||
| 354 | } | ||
| 355 | } | ||
| 356 | |||
| 357 | /** | ||
| 358 | * Writes a stream of uninterpreted bytes to this <code>SQLOutputImpl</code> | ||
| 359 | * object. | ||
| 360 | * | ||
| 361 | * @param x the value to pass to the database | ||
| 362 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 363 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 364 | * values of a UDT to the database. | ||
| 365 | */ | ||
| 366 | public void writeBinaryStream(java.io.InputStream x) throws SQLException { | ||
| 367 | BufferedReader bufReader = new BufferedReader(new InputStreamReader(x)); | ||
| 368 | try { | ||
| 369 | int i; | ||
| 370 | while( (i=bufReader.read()) != -1 ) { | ||
| 371 | char ch = (char)i; | ||
| 372 | |||
| 373 | StringBuffer strBuf = new StringBuffer(); | ||
| 374 | strBuf.append(ch); | ||
| 375 | |||
| 376 | String str = new String(strBuf); | ||
| 377 | String strLine = bufReader.readLine(); | ||
| 378 | |||
| 379 | writeString(str.concat(strLine)); | ||
| 380 | } | ||
| 381 | } catch(IOException ioe) { | ||
| 382 | throw new SQLException(ioe.getMessage()); | ||
| 383 | } | ||
| 384 | } | ||
| 385 | |||
| 386 | //================================================================ | ||
| 387 | // Methods for writing items of SQL user-defined types to the stream. | ||
| 388 | // These methods pass objects to the database as values of SQL | ||
| 389 | // Structured Types, Distinct Types, Constructed Types, and Locator | ||
| 390 | // Types. They decompose the Java object(s) and write leaf data | ||
| 391 | // items using the methods above. | ||
| 392 | //================================================================ | ||
| 393 | |||
| 394 | /** | ||
| 395 | * Writes to the stream the data contained in the given | ||
| 396 | * <code>SQLData</code> object. | ||
| 397 | * When the <code>SQLData</code> object is <code>null</code>, this | ||
| 398 | * method writes an SQL <code>NULL</code> to the stream. | ||
| 399 | * Otherwise, it calls the <code>SQLData.writeSQL</code> | ||
| 400 | * method of the given object, which | ||
| 401 | * writes the object's attributes to the stream. | ||
| 402 | * <P> | ||
| 403 | * The implementation of the method <code>SQLData.writeSQ</code> | ||
| 404 | * calls the appropriate <code>SQLOutputImpl.writeXXX</code> method(s) | ||
| 405 | * for writing each of the object's attributes in order. | ||
| 406 | * The attributes must be read from an <code>SQLInput</code> | ||
| 407 | * input stream and written to an <code>SQLOutputImpl</code> | ||
| 408 | * output stream in the same order in which they were | ||
| 409 | * listed in the SQL definition of the user-defined type. | ||
| 410 | * | ||
| 411 | * @param x the object representing data of an SQL structured or | ||
| 412 | * distinct type | ||
| 413 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 414 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 415 | * values of a UDT to the database. | ||
| 416 | */ | ||
| 417 | public void writeObject(SQLData x) throws SQLException { | ||
| 418 | |||
| 419 | /* | ||
| 420 | * Except for the types that are passed as objects | ||
| 421 | * this seems to be the only way for an object to | ||
| 422 | * get a null value for a field in a structure. | ||
| 423 | * | ||
| 424 | * Note: this means that the class defining SQLData | ||
| 425 | * will need to track if a field is SQL null for itself | ||
| 426 | */ | ||
| 427 | if (x == null) { | ||
| 428 | attribs.add(x); | ||
| 429 | return; | ||
| 430 | } | ||
| 431 | |||
| 432 | /* | ||
| 433 | * We have to write out a SerialStruct that contains | ||
| 434 | * the name of this class otherwise we don't know | ||
| 435 | * what to re-instantiate during readSQL() | ||
| 436 | */ | ||
| 437 | attribs.add(new SerialStruct((SQLData)x, map)); | ||
| 438 | } | ||
| 439 | |||
| 440 | /** | ||
| 441 | * Writes a <code>Ref</code> object in the Java programming language | ||
| 442 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 443 | * it to a serializable <code>SerialRef</code> SQL <code>REF</code> value | ||
| 444 | * before returning it to the database. | ||
| 445 | * | ||
| 446 | * @param x an object representing an SQL <code>REF</code> value | ||
| 447 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 448 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 449 | * values of a UDT to the database. | ||
| 450 | */ | ||
| 451 | public void writeRef(Ref x) throws SQLException { | ||
| 452 | if (x == null) { | ||
| 453 | attribs.add(x); | ||
| 454 | return; | ||
| 455 | } | ||
| 456 | attribs.add(new SerialRef(x)); | ||
| 457 | } | ||
| 458 | |||
| 459 | /** | ||
| 460 | * Writes a <code>Blob</code> object in the Java programming language | ||
| 461 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 462 | * it to a serializable <code>SerialBlob</code> SQL <code>BLOB</code> value | ||
| 463 | * before returning it to the database. | ||
| 464 | * | ||
| 465 | * @param x an object representing an SQL <code>BLOB</code> value | ||
| 466 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 467 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 468 | * values of a UDT to the database. | ||
| 469 | */ | ||
| 470 | public void writeBlob(Blob x) throws SQLException { | ||
| 471 | if (x == null) { | ||
| 472 | attribs.add(x); | ||
| 473 | return; | ||
| 474 | } | ||
| 475 | attribs.add(new SerialBlob(x)); | ||
| 476 | } | ||
| 477 | |||
| 478 | /** | ||
| 479 | * Writes a <code>Clob</code> object in the Java programming language | ||
| 480 | * to this <code>SQLOutputImpl</code> object. The driver converts | ||
| 481 | * it to a serializable <code>SerialClob</code> SQL <code>CLOB</code> value | ||
| 482 | * before returning it to the database. | ||
| 483 | * | ||
| 484 | * @param x an object representing an SQL <code>CLOB</code> value | ||
| 485 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 486 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 487 | * values of a UDT to the database. | ||
| 488 | */ | ||
| 489 | public void writeClob(Clob x) throws SQLException { | ||
| 490 | if (x == null) { | ||
| 491 | attribs.add(x); | ||
| 492 | return; | ||
| 493 | } | ||
| 494 | attribs.add(new SerialClob(x)); | ||
| 495 | } | ||
| 496 | |||
| 497 | /** | ||
| 498 | * Writes a <code>Struct</code> object in the Java | ||
| 499 | * programming language to this <code>SQLOutputImpl</code> | ||
| 500 | * object. The driver converts this value to an SQL structured type | ||
| 501 | * before returning it to the database. | ||
| 502 | * <P> | ||
| 503 | * This method should be used when an SQL structured type has been | ||
| 504 | * mapped to a <code>Struct</code> object in the Java programming | ||
| 505 | * language (the standard mapping). The method | ||
| 506 | * <code>writeObject</code> should be used if an SQL structured type | ||
| 507 | * has been custom mapped to a class in the Java programming language. | ||
| 508 | * | ||
| 509 | * @param x an object representing the attributes of an SQL structured type | ||
| 510 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 511 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 512 | * values of a UDT to the database. | ||
| 513 | */ | ||
| 514 | public void writeStruct(Struct x) throws SQLException { | ||
| 515 | SerialStruct s = new SerialStruct(x,map);; | ||
| 516 | attribs.add(s); | ||
| 517 | } | ||
| 518 | |||
| 519 | /** | ||
| 520 | * Writes an <code>Array</code> object in the Java | ||
| 521 | * programming language to this <code>SQLOutputImpl</code> | ||
| 522 | * object. The driver converts this value to a serializable | ||
| 523 | * <code>SerialArray</code> SQL <code>ARRAY</code> | ||
| 524 | * value before returning it to the database. | ||
| 525 | * | ||
| 526 | * @param x an object representing an SQL <code>ARRAY</code> value | ||
| 527 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 528 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 529 | * values of a UDT to the database. | ||
| 530 | */ | ||
| 531 | public void writeArray(Array x) throws SQLException { | ||
| 532 | if (x == null) { | ||
| 533 | attribs.add(x); | ||
| 534 | return; | ||
| 535 | } | ||
| 536 | attribs.add(new SerialArray(x, map)); | ||
| 537 | } | ||
| 538 | |||
| 539 | /** | ||
| 540 | * Writes an <code>java.sql.Type.DATALINK</code> object in the Java | ||
| 541 | * programming language to this <code>SQLOutputImpl</code> object. The | ||
| 542 | * driver converts this value to a serializable <code>SerialDatalink</code> | ||
| 543 | * SQL <code>DATALINK</code> value before return it to the database. | ||
| 544 | * | ||
| 545 | * @param url an object representing a SQL <code>DATALINK</code> value | ||
| 546 | * @throws SQLException if the <code>SQLOutputImpl</code> object is in | ||
| 547 | * use by a <code>SQLData</code> object attempting to write the attribute | ||
| 548 | * values of a UDT to the database. | ||
| 549 | */ | ||
| 550 | public void writeURL(java.net.URL url) throws SQLException { | ||
| 551 | if (url == null) { | ||
| 552 | attribs.add(url); | ||
| 553 | return; | ||
| 554 | } | ||
| 555 | attribs.add(new SerialDatalink(url)); | ||
| 556 | |||
| 557 | } | ||
| 558 | |||
| 559 | |||
| 560 | /** | ||
| 561 | * Writes the next attribute to the stream as a <code>String</code> | ||
| 562 | * in the Java programming language. The driver converts this to a | ||
| 563 | * SQL <code>NCHAR</code> or | ||
| 564 | * <code>NVARCHAR</code> or <code>LONGNVARCHAR</code> value | ||
| 565 | * (depending on the argument's | ||
| 566 | * size relative to the driver's limits on <code>NVARCHAR</code> values) | ||
| 567 | * when it sends it to the stream. | ||
| 568 | * | ||
| 569 | * @param x the value to pass to the database | ||
| 570 | * @exception SQLException if a database access error occurs | ||
| 571 | * @since 1.6 | ||
| 572 | */ | ||
| 573 | public void writeNString(String x) throws SQLException { | ||
| 574 | throw new UnsupportedOperationException("Operation not supported"); | ||
| 575 | } | ||
| 576 | |||
| 577 | /** | ||
| 578 | * Writes an SQL <code>NCLOB</code> value to the stream. | ||
| 579 | * | ||
| 580 | * @param x a <code>NClob</code> object representing data of an SQL | ||
| 581 | * <code>NCLOB</code> value | ||
| 582 | * | ||
| 583 | * @exception SQLException if a database access error occurs | ||
| 584 | * @since 1.6 | ||
| 585 | */ | ||
| 586 | public void writeNClob(NClob x) throws SQLException { | ||
| 587 | throw new UnsupportedOperationException("Operation not supported"); | ||
| 588 | } | ||
| 589 | |||
| 590 | |||
| 591 | /** | ||
| 592 | * Writes an SQL <code>ROWID</code> value to the stream. | ||
| 593 | * | ||
| 594 | * @param x a <code>RowId</code> object representing data of an SQL | ||
| 595 | * <code>ROWID</code> value | ||
| 596 | * | ||
| 597 | * @exception SQLException if a database access error occurs | ||
| 598 | * @since 1.6 | ||
| 599 | */ | ||
| 600 | public void writeRowId(RowId x) throws SQLException { | ||
| 601 | throw new UnsupportedOperationException("Operation not supported"); | ||
| 602 | } | ||
| 603 | |||
| 604 | |||
| 605 | /** | ||
| 606 | * Writes an SQL <code>XML</code> value to the stream. | ||
| 607 | * | ||
| 608 | * @param x a <code>SQLXML</code> object representing data of an SQL | ||
| 609 | * <code>XML</code> value | ||
| 610 | * | ||
| 611 | * @exception SQLException if a database access error occurs | ||
| 612 | * @since 1.6 | ||
| 613 | */ | ||
| 614 | public void writeSQLXML(SQLXML x) throws SQLException { | ||
| 615 | throw new UnsupportedOperationException("Operation not supported"); | ||
| 616 | } | ||
| 617 | |||
| 618 | } | ||