1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
* Copyright 2015 Anton Tananaev (anton.tananaev@gmail.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 org.traccar.api;
import java.sql.SQLException;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.SecurityContext;
import org.traccar.Context;
import org.traccar.helper.Clazz;
import org.traccar.model.User;
public class BaseResource<T> {
private static final String ERROR_KEY = "error";
private final Class<T> clazz = Clazz.getGenericArgumentType(getClass());
@javax.ws.rs.core.Context
private SecurityContext securityContext;
private static Map<String, String> getError(Exception e) {
Map<String, String> error = new HashMap<>();
error.put(ERROR_KEY, e.getMessage());
return error;
}
public Collection<T> getEntities() {
Collection<T> collection;
try {
collection = Context.getDataManager().get(clazz);
} catch (SQLException e) {
throw new WebApplicationException(
Response.status(Response.Status.BAD_REQUEST).entity(getError(e)).build());
}
if (collection == null || collection.isEmpty()) {
throw new WebApplicationException(Response.status(Response.Status.NOT_FOUND).build());
} else {
return collection;
}
}
public T getEntity(long id) {
validateSecurityContext(User.ROLE_USER, id);
T entity = Clazz.newInstance(clazz);
try {
Clazz.setId(entity, id);
entity = Context.getDataManager().get(entity);
} catch (Exception e) {
throw new WebApplicationException(Response.status(Response.Status.BAD_REQUEST).entity(getError(e)).build());
}
if (entity == null) {
throw new WebApplicationException(Response.status(Response.Status.NOT_FOUND).build());
} else {
return entity;
}
}
public Response postEntity(T entity) {
try {
Context.getDataManager().add(entity);
return Response.status(Response.Status.OK).entity(entity).build();
} catch (Exception e) {
return Response.status(Response.Status.BAD_REQUEST).entity(getError(e)).build();
}
}
public Response putEntity(long id, T entity) {
try {
Clazz.setId(entity, id);
Context.getDataManager().update(entity);
return Response.status(Response.Status.OK).entity(entity).build();
} catch (Exception e) {
return Response.status(Response.Status.BAD_REQUEST).entity(getError(e)).build();
}
}
public Response deleteEntity(long id) {
try {
T entity = Clazz.newInstance(clazz);
Clazz.setId(entity, id);
Context.getDataManager().remove(entity);
return Response.status(Response.Status.NO_CONTENT).build();
} catch (Exception e) {
return Response.status(Response.Status.BAD_REQUEST).entity(getError(e)).build();
}
}
private void validateSecurityContext(String role, long id) {
UserPrincipal userPrincipal = (UserPrincipal) securityContext.getUserPrincipal();
if (!securityContext.isUserInRole(role) && !userPrincipal.getId().equals(id)) {
throw new WebApplicationException(Response.status(Response.Status.FORBIDDEN).build());
}
}
}
|
