| /* |
| * Copyright (C) 2015, Sasa Zivkov <sasa.zivkov@sap.com> and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.lfs.server; |
| |
| import static javax.servlet.http.HttpServletResponse.SC_NOT_FOUND; |
| import static org.eclipse.jgit.lfs.lib.Constants.DOWNLOAD; |
| import static org.eclipse.jgit.lfs.lib.Constants.UPLOAD; |
| import static org.eclipse.jgit.lfs.lib.Constants.VERIFY; |
| |
| import java.io.IOException; |
| import java.text.MessageFormat; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| |
| import org.eclipse.jgit.lfs.lib.LongObjectId; |
| import org.eclipse.jgit.lfs.server.Response.Action; |
| import org.eclipse.jgit.lfs.server.Response.Body; |
| import org.eclipse.jgit.lfs.server.internal.LfsServerText; |
| |
| abstract class TransferHandler { |
| |
| static TransferHandler forOperation(String operation, |
| LargeFileRepository repository, List<LfsObject> objects) { |
| switch (operation) { |
| case UPLOAD: |
| return new Upload(repository, objects); |
| case DOWNLOAD: |
| return new Download(repository, objects); |
| case VERIFY: |
| default: |
| throw new UnsupportedOperationException(MessageFormat.format( |
| LfsServerText.get().unsupportedOperation, operation)); |
| } |
| } |
| |
| private static class Upload extends TransferHandler { |
| Upload(LargeFileRepository repository, |
| List<LfsObject> objects) { |
| super(repository, objects); |
| } |
| |
| @Override |
| Body process() throws IOException { |
| Response.Body body = new Response.Body(); |
| if (!objects.isEmpty()) { |
| body.objects = new ArrayList<>(); |
| for (LfsObject o : objects) { |
| addObjectInfo(body, o); |
| } |
| } |
| return body; |
| } |
| |
| private void addObjectInfo(Response.Body body, LfsObject o) |
| throws IOException { |
| Response.ObjectInfo info = new Response.ObjectInfo(); |
| body.objects.add(info); |
| info.oid = o.oid; |
| info.size = o.size; |
| |
| LongObjectId oid = LongObjectId.fromString(o.oid); |
| if (repository.getSize(oid) == -1) { |
| info.actions = new HashMap<>(); |
| info.actions.put(UPLOAD, |
| repository.getUploadAction(oid, o.size)); |
| Action verify = repository.getVerifyAction(oid); |
| if (verify != null) { |
| info.actions.put(VERIFY, verify); |
| } |
| } |
| } |
| } |
| |
| private static class Download extends TransferHandler { |
| Download(LargeFileRepository repository, |
| List<LfsObject> objects) { |
| super(repository, objects); |
| } |
| |
| @Override |
| Body process() throws IOException { |
| Response.Body body = new Response.Body(); |
| if (!objects.isEmpty()) { |
| body.objects = new ArrayList<>(); |
| for (LfsObject o : objects) { |
| addObjectInfo(body, o); |
| } |
| } |
| return body; |
| } |
| |
| private void addObjectInfo(Response.Body body, LfsObject o) |
| throws IOException { |
| Response.ObjectInfo info = new Response.ObjectInfo(); |
| body.objects.add(info); |
| info.oid = o.oid; |
| info.size = o.size; |
| |
| LongObjectId oid = LongObjectId.fromString(o.oid); |
| if (repository.getSize(oid) >= 0) { |
| info.actions = new HashMap<>(); |
| info.actions.put(DOWNLOAD, |
| repository.getDownloadAction(oid)); |
| } else { |
| info.error = new Response.Error(); |
| info.error.code = SC_NOT_FOUND; |
| info.error.message = MessageFormat.format( |
| LfsServerText.get().objectNotFound, |
| oid.getName()); |
| } |
| } |
| } |
| |
| final LargeFileRepository repository; |
| |
| final List<LfsObject> objects; |
| |
| TransferHandler(LargeFileRepository repository, |
| List<LfsObject> objects) { |
| this.repository = repository; |
| this.objects = objects; |
| } |
| |
| abstract Response.Body process() throws IOException; |
| } |