Code source wiki de DownloadAttachments

Version 7.7 par Paul Libbrecht (admin) le 2016/08/19 21:39

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	if(uncompressedMimes.contains(att.mimeType))
		33	out.setLevel(0);
		34	else
		35	out.setLevel(9);
		36	entry.setTime(att.getDate().getTime());
		37	System.err.println("Size: " + att.filesize);
		38	entry.setSize(att.filesize);
		39
		40	out.putNextEntry(entry);
		41	IOUtils.copy(att.contentInputStream, out, 510241024);
		42	}
		43	} catch (Exception ex) {
		44	ex.printStackTrace();
		45	} finally {
		46	try {
		47	if(out!=null) out.close();
		48	} catch(Exception e) {}
		49	}
		50
		51	} else {
		52	println("""
		53	= Download Attachments Macro =
		54	Use as ((({{downloadAttachments/}}))) so see a list of attachments.
		55	""");
		56	}
		57
		58
		59	// {{/groovy}}