fileuploadbase.html

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<a name="350" href="#350">350</a>                                         createItem(headers, false);
<a name="351" href="#351">351</a>                                 OutputStream os = item.getOutputStream();
<a name="352" href="#352">352</a>                                 <strong>try</strong> {
<a name="353" href="#353">353</a>                                     multi.readBodyData(os);
<a name="354" href="#354">354</a>                                 } <strong>finally</strong> {
<a name="355" href="#355">355</a>                                     os.close();
<a name="356" href="#356">356</a>                                 }
<a name="357" href="#357">357</a>                                 items.add(item);
<a name="358" href="#358">358</a>                             } <strong>else</strong> {
<a name="359" href="#359">359</a>                                 <em class="comment">// Ignore anything but files inside</em>
<a name="360" href="#360">360</a>                                 <em class="comment">// multipart/mixed.</em>
<a name="361" href="#361">361</a>                                 multi.discardBodyData();
<a name="362" href="#362">362</a>                             }
<a name="363" href="#363">363</a>                             nextSubPart = multi.readBoundary();
<a name="364" href="#364">364</a>                         }
<a name="365" href="#365">365</a>                         multi.setBoundary(boundary);
<a name="366" href="#366">366</a>                     } <strong>else</strong> {
<a name="367" href="#367">367</a>                         <a href="../../../../org/apache/commons/fileupload/FileItem.html">FileItem</a> item = createItem(headers,
<a name="368" href="#368">368</a>                                 getFileName(headers) == <strong>null</strong>);
<a name="369" href="#369">369</a>                         OutputStream os = item.getOutputStream();
<a name="370" href="#370">370</a>                         <strong>try</strong> {
<a name="371" href="#371">371</a>                             multi.readBodyData(os);
<a name="372" href="#372">372</a>                         } <strong>finally</strong> {
<a name="373" href="#373">373</a>                             os.close();
<a name="374" href="#374">374</a>                         }
<a name="375" href="#375">375</a>                         items.add(item);
<a name="376" href="#376">376</a>                     }
<a name="377" href="#377">377</a>                 } <strong>else</strong> {
<a name="378" href="#378">378</a>                     <em class="comment">// Skip this part.</em>
<a name="379" href="#379">379</a>                     multi.discardBodyData();
<a name="380" href="#380">380</a>                 }
<a name="381" href="#381">381</a>                 nextPart = multi.readBoundary();
<a name="382" href="#382">382</a>             }
<a name="383" href="#383">383</a>         } <strong>catch</strong> (IOException e) {
<a name="384" href="#384">384</a>             <strong>throw</strong> <strong>new</strong> <a href="../../../../org/apache/commons/fileupload/FileUploadException.html">FileUploadException</a>(
<a name="385" href="#385">385</a>                 <span class="string">"Processing of "</span> + MULTIPART_FORM_DATA
<a name="386" href="#386">386</a>                     + <span class="string">" request failed. "</span> + e.getMessage());
<a name="387" href="#387">387</a>         }
<a name="388" href="#388">388</a> 
<a name="389" href="#389">389</a>         <strong>return</strong> items;
<a name="390" href="#390">390</a>     }
<a name="391" href="#391">391</a> 
<a name="392" href="#392">392</a> 
<a name="393" href="#393">393</a>     <em class="comment">// ------------------------------------------------------ Protected methods</em>
<a name="394" href="#394">394</a> 
<a name="395" href="#395">395</a> 
<a name="396" href="#396">396</a>     <em>/**<em>*</em></em>
<a name="397" href="#397">397</a> <em>     * Retrieves the boundary from the &lt;code>Content-type&lt;/code> header.</em>
<a name="398" href="#398">398</a> <em>     *</em>
<a name="399" href="#399">399</a> <em>     * @param contentType The value of the content type header from which to</em>
<a name="400" href="#400">400</a> <em>     *                    extract the boundary value.</em>
<a name="401" href="#401">401</a> <em>     *</em>
<a name="402" href="#402">402</a> <em>     * @return The boundary, as a byte array.</em>
<a name="403" href="#403">403</a> <em>     */</em>
<a name="404" href="#404">404</a>     <strong>protected</strong> byte[] getBoundary(String contentType) {
<a name="405" href="#405">405</a>         <a href="../../../../org/apache/commons/fileupload/ParameterParser.html">ParameterParser</a> parser = <strong>new</strong> <a href="../../../../org/apache/commons/fileupload/ParameterParser.html">ParameterParser</a>();
<a name="406" href="#406">406</a>         parser.setLowerCaseNames(<strong>true</strong>);
<a name="407" href="#407">407</a>         <em class="comment">// Parameter parser can handle null input</em>
<a name="408" href="#408">408</a>         Map params = parser.parse(contentType, ';');
<a name="409" href="#409">409</a>         String boundaryStr = (String) params.get(<span class="string">"boundary"</span>);
<a name="410" href="#410">410</a> 
<a name="411" href="#411">411</a>         <strong>if</strong> (boundaryStr == <strong>null</strong>) {
<a name="412" href="#412">412</a>             <strong>return</strong> <strong>null</strong>;
<a name="413" href="#413">413</a>         }
<a name="414" href="#414">414</a>         byte[] boundary;
<a name="415" href="#415">415</a>         <strong>try</strong> {
<a name="416" href="#416">416</a>             boundary = boundaryStr.getBytes(<span class="string">"ISO-8859-1"</span>);
<a name="417" href="#417">417</a>         } <strong>catch</strong> (UnsupportedEncodingException e) {
<a name="418" href="#418">418</a>             boundary = boundaryStr.getBytes();
<a name="419" href="#419">419</a>         }
<a name="420" href="#420">420</a>         <strong>return</strong> boundary;
<a name="421" href="#421">421</a>     }
<a name="422" href="#422">422</a> 
<a name="423" href="#423">423</a> 
<a name="424" href="#424">424</a>     <em>/**<em>*</em></em>
<a name="425" href="#425">425</a> <em>     * Retrieves the file name from the &lt;code>Content-disposition&lt;/code></em>
<a name="426" href="#426">426</a> <em>     * header.</em>
<a name="427" href="#427">427</a> <em>     *</em>
<a name="428" href="#428">428</a> <em>     * @param headers A &lt;code>Map&lt;/code> containing the HTTP request headers.</em>
<a name="429" href="#429">429</a> <em>     *</em>
<a name="430" href="#430">430</a> <em>     * @return The file name for the current &lt;code>encapsulation&lt;/code>.</em>
<a name="431" href="#431">431</a> <em>     */</em>
<a name="432" href="#432">432</a>     <strong>protected</strong> String getFileName(Map <em class="comment">/*<em class="comment"> String, String */</em> headers) {</em>
<a name="433" href="#433">433</a>         String fileName = <strong>null</strong>;
<a name="434" href="#434">434</a>         String cd = getHeader(headers, CONTENT_DISPOSITION);
<a name="435" href="#435">435</a>         <strong>if</strong> (cd != <strong>null</strong>) {
<a name="436" href="#436">436</a>             String cdl = cd.toLowerCase();
<a name="437" href="#437">437</a>             <strong>if</strong> (cdl.startsWith(FORM_DATA) || cdl.startsWith(ATTACHMENT)) {
<a name="438" href="#438">438</a>                 <a href="../../../../org/apache/commons/fileupload/ParameterParser.html">ParameterParser</a> parser = <strong>new</strong> <a href="../../../../org/apache/commons/fileupload/ParameterParser.html">ParameterParser</a>();
<a name="439" href="#439">439</a>                 parser.setLowerCaseNames(<strong>true</strong>);
<a name="440" href="#440">440</a>                 <em class="comment">// Parameter parser can handle null input</em>
<a name="441" href="#441">441</a>                 Map params = parser.parse(cd, ';');
<a name="442" href="#442">442</a>                 <strong>if</strong> (params.containsKey(<span class="string">"filename"</span>)) {
<a name="443" href="#443">443</a>                     fileName = (String) params.get(<span class="string">"filename"</span>);
<a name="444" href="#444">444</a>                     <strong>if</strong> (fileName != <strong>null</strong>) {
<a name="445" href="#445">445</a>                         fileName = fileName.trim();
<a name="446" href="#446">446</a>                     } <strong>else</strong> {
<a name="447" href="#447">447</a>                         <em class="comment">// Even if there is no value, the parameter is present,</em>
<a name="448" href="#448">448</a>                         <em class="comment">// so we return an empty file name rather than no file</em>
<a name="449" href="#449">449</a>                         <em class="comment">// name.</em>
<a name="450" href="#450">450</a>                         fileName = <span class="string">""</span>;
<a name="451" href="#451">451</a>                     }
<a name="452" href="#452">452</a>                 }
<a name="453" href="#453">453</a>             }
<a name="454" href="#454">454</a>         }
<a name="455" href="#455">455</a>         <strong>return</strong> fileName;
<a name="456" href="#456">456</a>     }
<a name="457" href="#457">457</a> 
<a name="458" href="#458">458</a> 
<a name="459" href="#459">459</a>     <em>/**<em>*</em></em>
<a name="460" href="#460">460</a> <em>     * Retrieves the field name from the &lt;code>Content-disposition&lt;/code></em>
<a name="461" href="#461">461</a> <em>     * header.</em>
<a name="462" href="#462">462</a> <em>     *</em>
<a name="463" href="#463">463</a> <em>     * @param headers A &lt;code>Map&lt;/code> containing the HTTP request headers.</em>
<a name="464" href="#464">464</a> <em>     *</em>
<a name="465" href="#465">465</a> <em>     * @return The field name for the current &lt;code>encapsulation&lt;/code>.</em>
<a name="466" href="#466">466</a> <em>     */</em>
<a name="467" href="#467">467</a>     <strong>protected</strong> String getFieldName(Map <em class="comment">/*<em class="comment"> String, String */</em> headers) {</em>
<a name="468" href="#468">468</a>         String fieldName = <strong>null</strong>;
<a name="469" href="#469">469</a>         String cd = getHeader(headers, CONTENT_DISPOSITION);
<a name="470" href="#470">470</a>         <strong>if</strong> (cd != <strong>null</strong> &amp;&amp; cd.toLowerCase().startsWith(FORM_DATA)) {
<a name="471" href="#471">471</a> 
<a name="472" href="#472">472</a>             <a href="../../../../org/apache/commons/fileupload/ParameterParser.html">ParameterParser</a> parser = <strong>new</strong> <a href="../../../../org/apache/commons/fileupload/ParameterParser.html">ParameterParser</a>();
<a name="473" href="#473">473</a>             parser.setLowerCaseNames(<strong>true</strong>);
<a name="474" href="#474">474</a>             <em class="comment">// Parameter parser can handle null input</em>
<a name="475" href="#475">475</a>             Map params = parser.parse(cd, ';');
<a name="476" href="#476">476</a>             fieldName = (String) params.get(<span class="string">"name"</span>);
<a name="477" href="#477">477</a>             <strong>if</strong> (fieldName != <strong>null</strong>) {
<a name="478" href="#478">478</a>                 fieldName = fieldName.trim();
<a name="479" href="#479">479</a>             }
<a name="480" href="#480">480</a>         }
<a name="481" href="#481">481</a>         <strong>return</strong> fieldName;
<a name="482" href="#482">482</a>     }
<a name="483" href="#483">483</a> 
<a name="484" href="#484">484</a> 
<a name="485" href="#485">485</a>     <em>/**<em>*</em></em>
<a name="486" href="#486">486</a> <em>     * Creates a new {@link FileItem} instance.</em>
<a name="487" href="#487">487</a> <em>     *</em>
<a name="488" href="#488">488</a> <em>     * @param headers       A &lt;code>Map&lt;/code> containing the HTTP request</em>
<a name="489" href="#489">489</a> <em>     *                      headers.</em>
<a name="490" href="#490">490</a> <em>     * @param isFormField   Whether or not this item is a form field, as</em>
<a name="491" href="#491">491</a> <em>     *                      opposed to a file.</em>
<a name="492" href="#492">492</a> <em>     *</em>
<a name="493" href="#493">493</a> <em>     * @return A newly created &lt;code>FileItem&lt;/code> instance.</em>
<a name="494" href="#494">494</a> <em>     *</em>
<a name="495" href="#495">495</a> <em>     * @throws FileUploadException if an error occurs.</em>
<a name="496" href="#496">496</a> <em>     */</em>
<a name="497" href="#497">497</a>     <strong>protected</strong> <a href="../../../../org/apache/commons/fileupload/FileItem.html">FileItem</a> createItem(Map <em class="comment">/*<em class="comment"> String, String */</em> headers,</em>
<a name="498" href="#498">498</a>                                   <strong>boolean</strong> isFormField)
<a name="499" href="#499">499</a>         throws <a href="../../../../org/apache/commons/fileupload/FileUploadException.html">FileUploadException</a> {
<a name="500" href="#500">500</a>         <strong>return</strong> getFileItemFactory().createItem(getFieldName(headers),
<a name="501" href="#501">501</a>                 getHeader(headers, CONTENT_TYPE),
<a name="502" href="#502">502</a>                 isFormField,
<a name="503" href="#503">503</a>                 getFileName(headers));
<a name="504" href="#504">504</a>     }
<a name="505" href="#505">505</a> 
<a name="506" href="#506">506</a> 
<a name="507" href="#507">507</a>     <em>/**<em>*</em></em>
<a name="508" href="#508">508</a> <em>     * &lt;p> Parses the &lt;code>header-part&lt;/code> and returns as key/value</em>
<a name="509" href="#509">509</a> <em>     * pairs.</em>
<a name="510" href="#510">510</a> <em>     *</em>
<a name="511" href="#511">511</a> <em>     * &lt;p> If there are multiple headers of the same names, the name</em>
<a name="512" href="#512">512</a> <em>     * will map to a comma-separated list containing the values.</em>
<a name="513" href="#513">513</a> <em>     *</em>
<a name="514" href="#514">514</a> <em>     * @param headerPart The &lt;code>header-part&lt;/code> of the current</em>
<a name="515" href="#515">515</a> <em>     *                   &lt;code>encapsulation&lt;/code>.</em>
<a name="516" href="#516">516</a> <em>     *</em>
<a name="517" href="#517">517</a> <em>     * @return A &lt;code>Map&lt;/code> containing the parsed HTTP request headers.</em>
<a name="518" href="#518">518</a> <em>     */</em>
<a name="519" href="#519">519</a>     <strong>protected</strong> Map <em class="comment">/*<em class="comment"> String, String */</em> parseHeaders(String headerPart) {</em>
<a name="520" href="#520">520</a>         Map headers = <strong>new</strong> HashMap();
<a name="521" href="#521">521</a>         <strong>char</strong>[] buffer = <strong>new</strong> <strong>char</strong>[MAX_HEADER_SIZE];
<a name="522" href="#522">522</a>         <strong>boolean</strong> done = false;
<a name="523" href="#523">523</a>         <strong>int</strong> j = 0;
<a name="524" href="#524">524</a>         <strong>int</strong> i;
<a name="525" href="#525">525</a>         String header, headerName, headerValue;
<a name="526" href="#526">526</a>         <strong>try</strong> {
<a name="527" href="#527">527</a>             <strong>while</strong> (!done) {
<a name="528" href="#528">528</a>                 i = 0;