Code source wiki de DownloadAttachments

Version 7.3 par Paul Libbrecht (admin) le 2016/08/19 20:54

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.contains(att.mimeType))
		35	entry.setMethod(ZipEntry.STORED);
		36	else
		37	entry.setMethod(ZipEntry.DEFLATED);
		38	out.putNextEntry(entry);
		39	IOUtils.copy(att.contentInputStream, out, 510241024);
		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}}