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- /*
- * Copyright (C) 2015, Sasa Zivkov <sasa.zivkov@sap.com>
- * and other copyright owners as documented in the project's IP log.
- *
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Distribution License v1.0 which
- * accompanies this distribution, is reproduced below, and is
- * available at http://www.eclipse.org/org/documents/edl-v10.php
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution.
- *
- * - Neither the name of the Eclipse Foundation, Inc. nor the
- * names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
- 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.size() > 0) {
- 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.size() > 0) {
- 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;
- }
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