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comparison: src/share/jaxws_classes/javax/xml/soap/AttachmentPart.java

src/share/jaxws_classes/javax/xml/soap/AttachmentPart.java

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1 /*
2 * Copyright (c) 2004, 2012, 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.xml.soap;
27
28 import java.io.InputStream;
29 import java.io.Reader;
30 import java.util.Iterator;
31
32 import javax.activation.DataHandler;
33
34 /**
35 * A single attachment to a <code>SOAPMessage</code> object. A <code>SOAPMessage</code>
36 * object may contain zero, one, or many <code>AttachmentPart</code> objects.
37 * Each <code>AttachmentPart</code> object consists of two parts,
38 * application-specific content and associated MIME headers. The
39 * MIME headers consists of name/value pairs that can be used to
40 * identify and describe the content.
41 * <p>
42 * An <code>AttachmentPart</code> object must conform to certain standards.
43 * <OL>
44 * <LI>It must conform to <a href="http://www.ietf.org/rfc/rfc2045.txt">
45 * MIME [RFC2045] standards</a>
46 * <LI>It MUST contain content
47 * <LI>The header portion MUST include the following header:
48 * <UL>
49 * <LI><code>Content-Type</code><br>
50 * This header identifies the type of data in the content of an
51 * <code>AttachmentPart</code> object and MUST conform to [RFC2045].
52 * The following is an example of a Content-Type header:
53 * <PRE>
54 * Content-Type: application/xml
55 * </PRE>
56 * The following line of code, in which <code>ap</code> is an
57 * <code>AttachmentPart</code> object, sets the header shown in
58 * the previous example.
59 * <PRE>
60 * ap.setMimeHeader("Content-Type", "application/xml");
61 * </PRE>
62 * <p>
63 * </UL>
64 * </OL>
65 * <p>
66 * There are no restrictions on the content portion of an <code>
67 * AttachmentPart</code> object. The content may be anything from a
68 * simple plain text object to a complex XML document or image file.
69 *
70 * <p>
71 * An <code>AttachmentPart</code> object is created with the method
72 * <code>SOAPMessage.createAttachmentPart</code>. After setting its MIME headers,
73 * the <code>AttachmentPart</code> object is added to the message
74 * that created it with the method <code>SOAPMessage.addAttachmentPart</code>.
75 *
76 * <p>
77 * The following code fragment, in which <code>m</code> is a
78 * <code>SOAPMessage</code> object and <code>contentStringl</code> is a
79 * <code>String</code>, creates an instance of <code>AttachmentPart</code>,
80 * sets the <code>AttachmentPart</code> object with some content and
81 * header information, and adds the <code>AttachmentPart</code> object to
82 * the <code>SOAPMessage</code> object.
83 * <PRE>
84 * AttachmentPart ap1 = m.createAttachmentPart();
85 * ap1.setContent(contentString1, "text/plain");
86 * m.addAttachmentPart(ap1);
87 * </PRE>
88 *
89 *
90 * <p>
91 * The following code fragment creates and adds a second
92 * <code>AttachmentPart</code> instance to the same message. <code>jpegData</code>
93 * is a binary byte buffer representing the jpeg file.
94 * <PRE>
95 * AttachmentPart ap2 = m.createAttachmentPart();
96 * byte[] jpegData = ...;
97 * ap2.setContent(new ByteArrayInputStream(jpegData), "image/jpeg");
98 * m.addAttachmentPart(ap2);
99 * </PRE>
100 * <p>
101 * The <code>getContent</code> method retrieves the contents and header from
102 * an <code>AttachmentPart</code> object. Depending on the
103 * <code>DataContentHandler</code> objects present, the returned
104 * <code>Object</code> can either be a typed Java object corresponding
105 * to the MIME type or an <code>InputStream</code> object that contains the
106 * content as bytes.
107 * <PRE>
108 * String content1 = ap1.getContent();
109 * java.io.InputStream content2 = ap2.getContent();
110 * </PRE>
111 *
112 * The method <code>clearContent</code> removes all the content from an
113 * <code>AttachmentPart</code> object but does not affect its header information.
114 * <PRE>
115 * ap1.clearContent();
116 * </PRE>
117 */
118
119 public abstract class AttachmentPart {
120 /**
121 * Returns the number of bytes in this <code>AttachmentPart</code>
122 * object.
123 *
124 * @return the size of this <code>AttachmentPart</code> object in bytes
125 * or -1 if the size cannot be determined
126 * @exception SOAPException if the content of this attachment is
127 * corrupted of if there was an exception while trying
128 * to determine the size.
129 */
130 public abstract int getSize() throws SOAPException;
131
132 /**
133 * Clears out the content of this <code>AttachmentPart</code> object.
134 * The MIME header portion is left untouched.
135 */
136 public abstract void clearContent();
137
138 /**
139 * Gets the content of this <code>AttachmentPart</code> object as a Java
140 * object. The type of the returned Java object depends on (1) the
141 * <code>DataContentHandler</code> object that is used to interpret the bytes
142 * and (2) the <code>Content-Type</code> given in the header.
143 * <p>
144 * For the MIME content types "text/plain", "text/html" and "text/xml", the
145 * <code>DataContentHandler</code> object does the conversions to and
146 * from the Java types corresponding to the MIME types.
147 * For other MIME types,the <code>DataContentHandler</code> object
148 * can return an <code>InputStream</code> object that contains the content data
149 * as raw bytes.
150 * <p>
151 * A SAAJ-compliant implementation must, as a minimum, return a
152 * <code>java.lang.String</code> object corresponding to any content
153 * stream with a <code>Content-Type</code> value of
154 * <code>text/plain</code>, a
155 * <code>javax.xml.transform.stream.StreamSource</code> object corresponding to a
156 * content stream with a <code>Content-Type</code> value of
157 * <code>text/xml</code>, a <code>java.awt.Image</code> object
158 * corresponding to a content stream with a
159 * <code>Content-Type</code> value of <code>image/gif</code> or
160 * <code>image/jpeg</code>. For those content types that an
161 * installed <code>DataContentHandler</code> object does not understand, the
162 * <code>DataContentHandler</code> object is required to return a
163 * <code>java.io.InputStream</code> object with the raw bytes.
164 *
165 * @return a Java object with the content of this <code>AttachmentPart</code>
166 * object
167 *
168 * @exception SOAPException if there is no content set into this
169 * <code>AttachmentPart</code> object or if there was a data
170 * transformation error
171 */
172 public abstract Object getContent() throws SOAPException;
173
174 /**
175 * Gets the content of this <code>AttachmentPart</code> object as an
176 * InputStream as if a call had been made to <code>getContent</code> and no
177 * <code>DataContentHandler</code> had been registered for the
178 * <code>content-type</code> of this <code>AttachmentPart</code>.
179 *<p>
180 * Note that reading from the returned InputStream would result in consuming
181 * the data in the stream. It is the responsibility of the caller to reset
182 * the InputStream appropriately before calling a Subsequent API. If a copy
183 * of the raw attachment content is required then the {@link #getRawContentBytes} API
184 * should be used instead.
185 *
186 * @return an <code>InputStream</code> from which the raw data contained by
187 * the <code>AttachmentPart</code> can be accessed.
188 *
189 * @throws SOAPException if there is no content set into this
190 * <code>AttachmentPart</code> object or if there was a data
191 * transformation error.
192 *
193 * @since SAAJ 1.3
194 * @see #getRawContentBytes
195 */
196 public abstract InputStream getRawContent() throws SOAPException;
197
198 /**
199 * Gets the content of this <code>AttachmentPart</code> object as a
200 * byte[] array as if a call had been made to <code>getContent</code> and no
201 * <code>DataContentHandler</code> had been registered for the
202 * <code>content-type</code> of this <code>AttachmentPart</code>.
203 *
204 * @return a <code>byte[]</code> array containing the raw data of the
205 * <code>AttachmentPart</code>.
206 *
207 * @throws SOAPException if there is no content set into this
208 * <code>AttachmentPart</code> object or if there was a data
209 * transformation error.
210 *
211 * @since SAAJ 1.3
212 */
213 public abstract byte[] getRawContentBytes() throws SOAPException;
214
215 /**
216 * Returns an <code>InputStream</code> which can be used to obtain the
217 * content of <code>AttachmentPart</code> as Base64 encoded
218 * character data, this method would base64 encode the raw bytes
219 * of the attachment and return.
220 *
221 * @return an <code>InputStream</code> from which the Base64 encoded
222 * <code>AttachmentPart</code> can be read.
223 *
224 * @throws SOAPException if there is no content set into this
225 * <code>AttachmentPart</code> object or if there was a data
226 * transformation error.
227 *
228 * @since SAAJ 1.3
229 */
230 public abstract InputStream getBase64Content() throws SOAPException;
231
232 /**
233 * Sets the content of this attachment part to that of the given
234 * <code>Object</code> and sets the value of the <code>Content-Type</code>
235 * header to the given type. The type of the
236 * <code>Object</code> should correspond to the value given for the
237 * <code>Content-Type</code>. This depends on the particular
238 * set of <code>DataContentHandler</code> objects in use.
239 *
240 *
241 * @param object the Java object that makes up the content for
242 * this attachment part
243 * @param contentType the MIME string that specifies the type of
244 * the content
245 *
246 * @exception IllegalArgumentException may be thrown if the contentType
247 * does not match the type of the content object, or if there
248 * was no <code>DataContentHandler</code> object for this
249 * content object
250 *
251 * @see #getContent
252 */
253 public abstract void setContent(Object object, String contentType);
254
255 /**
256 * Sets the content of this attachment part to that contained by the
257 * <code>InputStream</code> <code>content</code> and sets the value of the
258 * <code>Content-Type</code> header to the value contained in
259 * <code>contentType</code>.
260 * <P>
261 * A subsequent call to getSize() may not be an exact measure
262 * of the content size.
263 *
264 * @param content the raw data to add to the attachment part
265 * @param contentType the value to set into the <code>Content-Type</code>
266 * header
267 *
268 * @exception SOAPException if an there is an error in setting the content
269 * @exception NullPointerException if <code>content</code> is null
270 * @since SAAJ 1.3
271 */
272 public abstract void setRawContent(InputStream content, String contentType) throws SOAPException;
273
274 /**
275 * Sets the content of this attachment part to that contained by the
276 * <code>byte[]</code> array <code>content</code> and sets the value of the
277 * <code>Content-Type</code> header to the value contained in
278 * <code>contentType</code>.
279 *
280 * @param content the raw data to add to the attachment part
281 * @param contentType the value to set into the <code>Content-Type</code>
282 * header
283 * @param offset the offset in the byte array of the content
284 * @param len the number of bytes that form the content
285 *
286 * @exception SOAPException if an there is an error in setting the content
287 * or content is null
288 * @since SAAJ 1.3
289 */
290 public abstract void setRawContentBytes(
291 byte[] content, int offset, int len, String contentType)
292 throws SOAPException;
293
294
295 /**
296 * Sets the content of this attachment part from the Base64 source
297 * <code>InputStream</code> and sets the value of the
298 * <code>Content-Type</code> header to the value contained in
299 * <code>contentType</code>, This method would first decode the base64
300 * input and write the resulting raw bytes to the attachment.
301 * <P>
302 * A subsequent call to getSize() may not be an exact measure
303 * of the content size.
304 *
305 * @param content the base64 encoded data to add to the attachment part
306 * @param contentType the value to set into the <code>Content-Type</code>
307 * header
308 *
309 * @exception SOAPException if an there is an error in setting the content
310 * @exception NullPointerException if <code>content</code> is null
311 *
312 * @since SAAJ 1.3
313 */
314 public abstract void setBase64Content(
315 InputStream content, String contentType) throws SOAPException;
316
317
318 /**
319 * Gets the <code>DataHandler</code> object for this <code>AttachmentPart</code>
320 * object.
321 *
322 * @return the <code>DataHandler</code> object associated with this
323 * <code>AttachmentPart</code> object
324 *
325 * @exception SOAPException if there is no data in
326 * this <code>AttachmentPart</code> object
327 */
328 public abstract DataHandler getDataHandler()
329 throws SOAPException;
330
331 /**
332 * Sets the given <code>DataHandler</code> object as the data handler
333 * for this <code>AttachmentPart</code> object. Typically, on an incoming
334 * message, the data handler is automatically set. When
335 * a message is being created and populated with content, the
336 * <code>setDataHandler</code> method can be used to get data from
337 * various data sources into the message.
338 *
339 * @param dataHandler the <code>DataHandler</code> object to be set
340 *
341 * @exception IllegalArgumentException if there was a problem with
342 * the specified <code>DataHandler</code> object
343 */
344 public abstract void setDataHandler(DataHandler dataHandler);
345
346
347 /**
348 * Gets the value of the MIME header whose name is "Content-ID".
349 *
350 * @return a <code>String</code> giving the value of the
351 * "Content-ID" header or <code>null</code> if there
352 * is none
353 * @see #setContentId
354 */
355 public String getContentId() {
356 String[] values = getMimeHeader("Content-ID");
357 if (values != null && values.length > 0)
358 return values[0];
359 return null;
360 }
361
362 /**
363 * Gets the value of the MIME header whose name is "Content-Location".
364 *
365 * @return a <code>String</code> giving the value of the
366 * "Content-Location" header or <code>null</code> if there
367 * is none
368 */
369 public String getContentLocation() {
370 String[] values = getMimeHeader("Content-Location");
371 if (values != null && values.length > 0)
372 return values[0];
373 return null;
374 }
375
376 /**
377 * Gets the value of the MIME header whose name is "Content-Type".
378 *
379 * @return a <code>String</code> giving the value of the
380 * "Content-Type" header or <code>null</code> if there
381 * is none
382 */
383 public String getContentType() {
384 String[] values = getMimeHeader("Content-Type");
385 if (values != null && values.length > 0)
386 return values[0];
387 return null;
388 }
389
390 /**
391 * Sets the MIME header whose name is "Content-ID" with the given value.
392 *
393 * @param contentId a <code>String</code> giving the value of the
394 * "Content-ID" header
395 *
396 * @exception IllegalArgumentException if there was a problem with
397 * the specified <code>contentId</code> value
398 * @see #getContentId
399 */
400 public void setContentId(String contentId)
401 {
402 setMimeHeader("Content-ID", contentId);
403 }
404
405
406 /**
407 * Sets the MIME header whose name is "Content-Location" with the given value.
408 *
409 *
410 * @param contentLocation a <code>String</code> giving the value of the
411 * "Content-Location" header
412 * @exception IllegalArgumentException if there was a problem with
413 * the specified content location
414 */
415 public void setContentLocation(String contentLocation)
416 {
417 setMimeHeader("Content-Location", contentLocation);
418 }
419
420 /**
421 * Sets the MIME header whose name is "Content-Type" with the given value.
422 *
423 * @param contentType a <code>String</code> giving the value of the
424 * "Content-Type" header
425 *
426 * @exception IllegalArgumentException if there was a problem with
427 * the specified content type
428 */
429 public void setContentType(String contentType)
430 {
431 setMimeHeader("Content-Type", contentType);
432 }
433
434 /**
435 * Removes all MIME headers that match the given name.
436 *
437 * @param header the string name of the MIME header/s to
438 * be removed
439 */
440 public abstract void removeMimeHeader(String header);
441
442 /**
443 * Removes all the MIME header entries.
444 */
445 public abstract void removeAllMimeHeaders();
446
447
448 /**
449 * Gets all the values of the header identified by the given
450 * <code>String</code>.
451 *
452 * @param name the name of the header; example: "Content-Type"
453 * @return a <code>String</code> array giving the value for the
454 * specified header
455 * @see #setMimeHeader
456 */
457 public abstract String[] getMimeHeader(String name);
458
459
460 /**
461 * Changes the first header entry that matches the given name
462 * to the given value, adding a new header if no existing header
463 * matches. This method also removes all matching headers but the first. <p>
464 *
465 * Note that RFC822 headers can only contain US-ASCII characters.
466 *
467 * @param name a <code>String</code> giving the name of the header
468 * for which to search
469 * @param value a <code>String</code> giving the value to be set for
470 * the header whose name matches the given name
471 *
472 * @exception IllegalArgumentException if there was a problem with
473 * the specified mime header name or value
474 */
475 public abstract void setMimeHeader(String name, String value);
476
477
478 /**
479 * Adds a MIME header with the specified name and value to this
480 * <code>AttachmentPart</code> object.
481 * <p>
482 * Note that RFC822 headers can contain only US-ASCII characters.
483 *
484 * @param name a <code>String</code> giving the name of the header
485 * to be added
486 * @param value a <code>String</code> giving the value of the header
487 * to be added
488 *
489 * @exception IllegalArgumentException if there was a problem with
490 * the specified mime header name or value
491 */
492 public abstract void addMimeHeader(String name, String value);
493
494 /**
495 * Retrieves all the headers for this <code>AttachmentPart</code> object
496 * as an iterator over the <code>MimeHeader</code> objects.
497 *
498 * @return an <code>Iterator</code> object with all of the Mime
499 * headers for this <code>AttachmentPart</code> object
500 */
501 public abstract Iterator getAllMimeHeaders();
502
503 /**
504 * Retrieves all <code>MimeHeader</code> objects that match a name in
505 * the given array.
506 *
507 * @param names a <code>String</code> array with the name(s) of the
508 * MIME headers to be returned
509 * @return all of the MIME headers that match one of the names in the
510 * given array as an <code>Iterator</code> object
511 */
512 public abstract Iterator getMatchingMimeHeaders(String[] names);
513
514 /**
515 * Retrieves all <code>MimeHeader</code> objects whose name does
516 * not match a name in the given array.
517 *
518 * @param names a <code>String</code> array with the name(s) of the
519 * MIME headers not to be returned
520 * @return all of the MIME headers in this <code>AttachmentPart</code> object
521 * except those that match one of the names in the
522 * given array. The nonmatching MIME headers are returned as an
523 * <code>Iterator</code> object.
524 */
525 public abstract Iterator getNonMatchingMimeHeaders(String[] names);
526 }

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