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/*
* Copyright (C) 2016, Christian Halstrick <christian.halstrick@sap.com>
* 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;
import java.util.List;
import java.util.Map;
import com.google.gson.FieldNamingPolicy;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
/**
* This interface describes the network protocol used between lfs client and lfs
* server
*
* @since 4.11
*/
public interface Protocol {
/** A request sent to an LFS server */
class Request {
/** The operation of this request */
public String operation;
/** The objects of this request */
public List<ObjectSpec> objects;
}
/** A response received from an LFS server */
class Response {
public List<ObjectInfo> objects;
}
/**
* MetaData of an LFS object. Needs to be specified when requesting objects
* from the LFS server and is also returned in the response
*/
class ObjectSpec {
public String oid; // the objectid
public long size; // the size of the object
}
/**
* Describes in a response all actions the LFS server offers for a single
* object
*/
class ObjectInfo extends ObjectSpec {
public Map<String, Action> actions; // Maps operation to action
public Error error;
}
/**
* Describes in a Response a single action the client can execute on a
* single object
*/
class Action {
public String href;
public Map<String, String> header;
}
/**
* An action with an additional expiration timestamp
*
* @since 4.11
*/
class ExpiringAction extends Action {
/**
* Absolute date/time in format "yyyy-MM-dd'T'HH:mm:ss.SSSX"
*/
public String expiresAt;
/**
* Validity time in milliseconds (preferred over expiresAt as specified:
* https://github.com/git-lfs/git-lfs/blob/master/docs/api/authentication.md)
*/
public String expiresIn;
}
/** Describes an error to be returned by the LFS batch API */
// TODO(ms): rename this class in next major release
@SuppressWarnings("JavaLangClash")
class Error {
public int code;
public String message;
}
/**
* The "download" operation
*/
String OPERATION_DOWNLOAD = "download"; //$NON-NLS-1$
/**
* The "upload" operation
*/
String OPERATION_UPLOAD = "upload"; //$NON-NLS-1$
/**
* The contenttype used in LFS requests
*/
String CONTENTTYPE_VND_GIT_LFS_JSON = "application/vnd.git-lfs+json; charset=utf-8"; //$NON-NLS-1$
/**
* Authorization header when auto-discovering via SSH.
*/
String HDR_AUTH = "Authorization"; //$NON-NLS-1$
/**
* Prefix of authentication token obtained through SSH.
*/
String HDR_AUTH_SSH_PREFIX = "Ssh: "; //$NON-NLS-1$
/**
* Path to the LFS info servlet.
*/
String INFO_LFS_ENDPOINT = "/info/lfs"; //$NON-NLS-1$
/**
* Path to the LFS objects servlet.
*/
String OBJECTS_LFS_ENDPOINT = "/objects/batch"; //$NON-NLS-1$
/**
* Gson instance for handling this protocol
*
* @return a {@link Gson} instance suitable for handling this
* {@link Protocol}
*
* @since 4.11
*/
public static Gson gson() {
return new GsonBuilder()
.setFieldNamingPolicy(
FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
.disableHtmlEscaping().create();
}
}
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