Simplify Argeo Commons project structure
[lgpl/argeo-commons.git] / org.argeo.eclipse.ui.rap / src / org / argeo / eclipse / ui / specific / OpenFileService.java
diff --git a/org.argeo.eclipse.ui.rap/src/org/argeo/eclipse/ui/specific/OpenFileService.java b/org.argeo.eclipse.ui.rap/src/org/argeo/eclipse/ui/specific/OpenFileService.java
deleted file mode 100644 (file)
index 4630d63..0000000
+++ /dev/null
@@ -1,96 +0,0 @@
-package org.argeo.eclipse.ui.specific;
-
-import static org.argeo.eclipse.ui.util.SingleSourcingConstants.FILE_SCHEME;
-import static org.argeo.eclipse.ui.util.SingleSourcingConstants.SCHEME_HOST_SEPARATOR;
-
-import java.io.IOException;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.nio.file.Paths;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import org.argeo.eclipse.ui.EclipseUiUtils;
-import org.argeo.eclipse.ui.util.SingleSourcingConstants;
-import org.eclipse.rap.rwt.service.ServiceHandler;
-
-/**
- * RWT specific Basic Default service handler that retrieves a file on the
- * server file system using its absolute path and forwards it to the end user
- * browser.
- * 
- * Clients might extend to provide context specific services
- */
-public class OpenFileService implements ServiceHandler {
-       public OpenFileService() {
-       }
-
-       public void service(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
-               String fileName = request.getParameter(SingleSourcingConstants.PARAM_FILE_NAME);
-               String uri = request.getParameter(SingleSourcingConstants.PARAM_FILE_URI);
-
-               // Use buffered array to directly write the stream?
-               if (!uri.startsWith(SingleSourcingConstants.FILE_SCHEME))
-                       throw new IllegalArgumentException(
-                                       "Open file service can only handle files that are on the server file system");
-
-               // Set the Metadata
-               response.setContentLength((int) getFileSize(uri));
-               if (EclipseUiUtils.isEmpty(fileName))
-                       fileName = getFileName(uri);
-               response.setContentType(getMimeType(uri, fileName));
-               String contentDisposition = "attachment; filename=\"" + fileName + "\"";
-               response.setHeader("Content-Disposition", contentDisposition);
-
-               // Useless for current use
-               // response.setHeader("Content-Transfer-Encoding", "binary");
-               // response.setHeader("Pragma", "no-cache");
-               // response.setHeader("Cache-Control", "no-cache, must-revalidate");
-
-               Path path = Paths.get(getAbsPathFromUri(uri));
-               Files.copy(path, response.getOutputStream());
-
-               // FIXME we always use temporary files for the time being.
-               // the deleteOnClose file only works when the JVM is closed so we
-               // explicitly delete to avoid overloading the server
-               if (path.startsWith("/tmp"))
-                       path.toFile().delete();
-       }
-
-       protected long getFileSize(String uri) throws IOException {
-               if (uri.startsWith(SingleSourcingConstants.FILE_SCHEME)) {
-                       Path path = Paths.get(getAbsPathFromUri(uri));
-                       return Files.size(path);
-               }
-               return -1l;
-       }
-
-       protected String getFileName(String uri) {
-               if (uri.startsWith(SingleSourcingConstants.FILE_SCHEME)) {
-                       Path path = Paths.get(getAbsPathFromUri(uri));
-                       return path.getFileName().toString();
-               }
-               return null;
-       }
-
-       private String getAbsPathFromUri(String uri) {
-               if (uri.startsWith(FILE_SCHEME))
-                       return uri.substring((FILE_SCHEME + SCHEME_HOST_SEPARATOR).length());
-               // else if (uri.startsWith(JCR_SCHEME))
-               // return uri.substring((JCR_SCHEME + SCHEME_HOST_SEPARATOR).length());
-               else
-                       throw new IllegalArgumentException("Unknown URI prefix for" + uri);
-       }
-
-       protected String getMimeType(String uri, String fileName) throws IOException {
-               if (uri.startsWith(FILE_SCHEME)) {
-                       Path path = Paths.get(getAbsPathFromUri(uri));
-                       String mimeType = Files.probeContentType(path);
-                       if (EclipseUiUtils.notEmpty(mimeType))
-                               return mimeType;
-               }
-               return "application/octet-stream";
-       }
-}