From 59b817a55b04b4bd8c5950a2d97998d3af6d44e3 Mon Sep 17 00:00:00 2001 From: James Moger <james.moger@gitblit.com> Date: Fri, 30 Nov 2012 18:05:35 -0500 Subject: [PATCH] Support alternate compressed download formats (issue-174) --- src/com/gitblit/DownloadZipServlet.java | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++------- 1 files changed, 51 insertions(+), 7 deletions(-) diff --git a/src/com/gitblit/DownloadZipServlet.java b/src/com/gitblit/DownloadZipServlet.java index 2655934..0feee87 100644 --- a/src/com/gitblit/DownloadZipServlet.java +++ b/src/com/gitblit/DownloadZipServlet.java @@ -29,6 +29,7 @@ import org.slf4j.Logger; import org.slf4j.LoggerFactory; +import com.gitblit.utils.CompressionUtils; import com.gitblit.utils.JGitUtils; import com.gitblit.utils.MarkdownUtils; import com.gitblit.utils.StringUtils; @@ -45,6 +46,25 @@ private static final long serialVersionUID = 1L; private transient Logger logger = LoggerFactory.getLogger(DownloadZipServlet.class); + + public static enum Format { + zip(".zip"), tar(".tar"), gz(".tar.gz"), xz(".tar.xz"), bzip2(".tar.bzip2"); + + public final String extension; + + Format(String ext) { + this.extension = ext; + } + + public static Format fromName(String name) { + for (Format format : values()) { + if (format.name().equalsIgnoreCase(name)) { + return format; + } + } + return zip; + } + } public DownloadZipServlet() { super(); @@ -57,15 +77,17 @@ * @param repository * @param objectId * @param path + * @param format * @return an url */ - public static String asLink(String baseURL, String repository, String objectId, String path) { + public static String asLink(String baseURL, String repository, String objectId, String path, Format format) { if (baseURL.length() > 0 && baseURL.charAt(baseURL.length() - 1) == '/') { baseURL = baseURL.substring(0, baseURL.length() - 1); } return baseURL + Constants.ZIP_PATH + "?r=" + repository + (path == null ? "" : ("&p=" + path)) - + (objectId == null ? "" : ("&h=" + objectId)); + + (objectId == null ? "" : ("&h=" + objectId)) + + (format == null ? "" : ("&format=" + format.name())); } /** @@ -84,16 +106,22 @@ response.sendError(HttpServletResponse.SC_FORBIDDEN); return; } - + + Format format = Format.zip; String repository = request.getParameter("r"); String basePath = request.getParameter("p"); String objectId = request.getParameter("h"); - + String f = request.getParameter("format"); + if (!StringUtils.isEmpty(f)) { + format = Format.fromName(f); + } + try { String name = repository; if (name.indexOf('/') > -1) { name = name.substring(name.lastIndexOf('/') + 1); } + name = StringUtils.stripDotGit(name); if (!StringUtils.isEmpty(basePath)) { name += "-" + basePath.replace('/', '_'); @@ -122,15 +150,31 @@ String contentType = "application/octet-stream"; response.setContentType(contentType + "; charset=" + response.getCharacterEncoding()); - response.setHeader("Content-Disposition", "attachment; filename=\"" + name + ".zip" - + "\""); + response.setHeader("Content-Disposition", "attachment; filename=\"" + name + format.extension + "\""); response.setDateHeader("Last-Modified", date.getTime()); response.setHeader("Cache-Control", "no-cache"); response.setHeader("Pragma", "no-cache"); response.setDateHeader("Expires", 0); try { - JGitUtils.zip(r, basePath, objectId, response.getOutputStream()); + switch (format) { + case zip: + CompressionUtils.zip(r, basePath, objectId, response.getOutputStream()); + break; + case tar: + CompressionUtils.tar(r, basePath, objectId, response.getOutputStream()); + break; + case gz: + CompressionUtils.gz(r, basePath, objectId, response.getOutputStream()); + break; + case xz: + CompressionUtils.xz(r, basePath, objectId, response.getOutputStream()); + break; + case bzip2: + CompressionUtils.bzip2(r, basePath, objectId, response.getOutputStream()); + break; + } + response.flushBuffer(); } catch (Throwable t) { logger.error("Failed to write attachment to client", t); -- Gitblit v1.9.1