123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226 |
- /*
- * Copyright 2015 gitblit.com.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
- package com.gitblit.models;
-
- import java.io.Serializable;
- import java.util.ArrayList;
- import java.util.Date;
- import java.util.List;
- import java.util.NoSuchElementException;
- import java.util.regex.Matcher;
- import java.util.regex.Pattern;
-
- import com.gitblit.Constants;
-
- /**
- * A FilestoreModel represents a file stored outside a repository but referenced by the repository using a unique objectID
- *
- * @author Paul Martin
- *
- */
- public class FilestoreModel implements Serializable, Comparable<FilestoreModel> {
-
- private static final long serialVersionUID = 1L;
-
- private static final String metaRegexText = new StringBuilder()
- .append("version\\shttps://git-lfs.github.com/spec/v1\\s+")
- .append("oid\\ssha256:(" + Constants.REGEX_SHA256 + ")\\s+")
- .append("size\\s([0-9]+)")
- .toString();
-
- private static final Pattern metaRegex = Pattern.compile(metaRegexText);
-
- private static final int metaRegexIndexSHA = 1;
-
- private static final int metaRegexIndexSize = 2;
-
- public final String oid;
-
- private Long size;
- private Status status;
-
- //Audit
- private String stateChangedBy;
- private Date stateChangedOn;
-
- //Access Control
- private List<String> repositories;
-
- public FilestoreModel(String id, long definedSize) {
- oid = id;
- size = definedSize;
- status = Status.ReferenceOnly;
- }
-
- public FilestoreModel(String id, long expectedSize, UserModel user, String repo) {
- oid = id;
- size = expectedSize;
- status = Status.Upload_Pending;
- stateChangedBy = user.getName();
- stateChangedOn = new Date();
- repositories = new ArrayList<String>();
- repositories.add(repo);
- }
-
- /*
- * Attempts to create a FilestoreModel from the given meta string
- *
- * @return A valid FilestoreModel if successful, otherwise null
- */
- public static FilestoreModel fromMetaString(String meta) {
-
- Matcher m = metaRegex.matcher(meta);
-
- if (m.find()) {
- try
- {
- final Long size = Long.parseLong(m.group(metaRegexIndexSize));
- final String sha = m.group(metaRegexIndexSHA);
- return new FilestoreModel(sha, size);
- } catch (Exception e) {
- //Fail silent - it is not a valid filestore item
- }
- }
-
- return null;
- }
-
- public synchronized long getSize() {
- return size;
- }
-
- public synchronized Status getStatus() {
- return status;
- }
-
- public synchronized String getChangedBy() {
- return stateChangedBy;
- }
-
- public synchronized Date getChangedOn() {
- return stateChangedOn;
- }
-
- public synchronized void setStatus(Status status, UserModel user) {
- this.status = status;
- stateChangedBy = user.getName();
- stateChangedOn = new Date();
- }
-
- public synchronized void reset(UserModel user, long size) {
- status = Status.Upload_Pending;
- stateChangedBy = user.getName();
- stateChangedOn = new Date();
- this.size = size;
- }
-
- /*
- * Handles possible race condition with concurrent connections
- * @return true if action can proceed, false otherwise
- */
- public synchronized boolean actionUpload(UserModel user) {
- if (status == Status.Upload_Pending) {
- status = Status.Upload_In_Progress;
- stateChangedBy = user.getName();
- stateChangedOn = new Date();
- return true;
- }
-
- return false;
- }
-
- public synchronized boolean isInErrorState() {
- return (this.status.value < 0);
- }
-
- public synchronized void addRepository(String repo) {
- if (status != Status.ReferenceOnly) {
- if (!repositories.contains(repo)) {
- repositories.add(repo);
- }
- }
- }
-
- public synchronized void removeRepository(String repo) {
- if (status != Status.ReferenceOnly) {
- repositories.remove(repo);
- }
- }
-
- public synchronized boolean isInRepositoryList(List<String> repoList) {
- if (status != Status.ReferenceOnly) {
- for (String name : repositories) {
- if (repoList.contains(name)) {
- return true;
- }
- }
- }
- return false;
- }
-
- public static enum Status {
-
- ReferenceOnly(-42),
-
- Deleted(-30),
- AuthenticationRequired(-20),
-
- Error_Unknown(-8),
- Error_Unexpected_Stream_End(-7),
- Error_Invalid_Oid(-6),
- Error_Invalid_Size(-5),
- Error_Hash_Mismatch(-4),
- Error_Size_Mismatch(-3),
- Error_Exceeds_Size_Limit(-2),
- Error_Unauthorized(-1),
- //Negative values provide additional information and may be treated as 0 when not required
- Unavailable(0),
- Upload_Pending(1),
- Upload_In_Progress(2),
- Available(3);
-
- final int value;
-
- Status(int value) {
- this.value = value;
- }
-
- public int getValue() {
- return value;
- }
-
- @Override
- public String toString() {
- return name().toLowerCase().replace('_', ' ');
- }
-
- public static Status fromState(int state) {
- for (Status s : values()) {
- if (s.getValue() == state) {
- return s;
- }
- }
- throw new NoSuchElementException(String.valueOf(state));
- }
- }
-
- @Override
- public int compareTo(FilestoreModel o) {
- return this.oid.compareTo(o.oid);
- }
-
- }
|