Code source wiki de DownloadAttachments
Version 4.1 par Paul Libbrecht (admin) le 2016/08/19 20:13
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| author | version | line-number | content |
|---|---|---|---|
| 1 | // {{groovy}} | ||
| 2 | |||
| 3 | |||
| 4 | import com.xpn.xwiki.api.Attachment | ||
| 5 | import com.xpn.xwiki.api.Document | ||
| 6 | import org.apache.commons.io.IOUtils | ||
| 7 | import java.util.zip.ZipOutputStream | ||
| 8 | import java.util.zip.ZipEntry | ||
| 9 | |||
| 10 | def page = request.getParameter("page"); | ||
| 11 | Document pageDoc = null; | ||
| 12 | try { | ||
| 13 | pageDoc = xwiki.getDocument(page); | ||
| 14 | } catch(Exception ex) {} | ||
| 15 | |||
| 16 | if(page && pageDoc) { | ||
| 17 | System.err.println("Should download attachments from page ${pageDoc}."); | ||
| 18 | def uncompressedMimes = ["image/jpeg", "image/png", "application/zip"]; | ||
| 19 | response.setContentType("application/zip"); | ||
| 20 | String name = pageDoc.getName(); | ||
| 21 | if(name=="WebHome") name = pageDoc.getSpace(); | ||
| 22 | response.addHeader("Content-Disposition", "attachment; filename=${name}_attachments.zip"); | ||
| 23 | |||
| 24 | |||
| 25 | ZipOutputStream out = null; | ||
| 26 | System.err.println("Attachments list's size: ${pageDoc.document.attachmentList.size()}."); | ||
| 27 | try { | ||
| 28 | out = new ZipOutputStream(response.getOutputStream()); | ||
| 29 | for(Attachment att in pageDoc.getAttachmentList()) { | ||
| 30 | System.err.println("Outputting " + att.filename); | ||
| 31 | ZipEntry entry = new ZipEntry(att.filename); | ||
| 32 | entry.setTime(att.getDate().getTime()); | ||
| 33 | entry.setSize(att.filesize); | ||
| 34 | if(uncompressedMimes.contain(att.mimeType)) | ||
| 35 | entry.setMethod(ZipEntry.STORED); | ||
| 36 | else | ||
| 37 | entry.setMethod(ZipEntry.DEFLATED); | ||
| 38 | out.putNextEntry(entry); | ||
| 39 | IOUtils.copy(att.contentInputStream, out, 5*1024*1024); | ||
| 40 | } | ||
| 41 | } catch (Exception ex) { | ||
| 42 | ex.printStackTrace(); | ||
| 43 | } finally { | ||
| 44 | try { | ||
| 45 | if(out!=null) out.close(); | ||
| 46 | } catch(Exception e) {} | ||
| 47 | } | ||
| 48 | |||
| 49 | } else { | ||
| 50 | println(""" | ||
| 51 | = Download Attachments Macro = | ||
| 52 | Use as ~{~{downloadAttachments/~}~} so see a list of attachments. | ||
| 53 | """); | ||
| 54 | } | ||
| 55 | |||
| 56 | |||
| 57 | // {{/groovy}} |
