-
Notifications
You must be signed in to change notification settings - Fork 62
/
CatalogService.java
112 lines (94 loc) · 3.88 KB
/
CatalogService.java
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
/*
* 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.httprpc.kilo.test;
import jakarta.servlet.annotation.WebServlet;
import org.httprpc.kilo.Creates;
import org.httprpc.kilo.Description;
import org.httprpc.kilo.RequestMethod;
import org.httprpc.kilo.ResourcePath;
import org.httprpc.kilo.beans.BeanAdapter;
import org.httprpc.kilo.sql.QueryBuilder;
import java.sql.SQLException;
import java.util.Date;
import java.util.List;
import static org.httprpc.kilo.util.Collections.*;
@WebServlet(urlPatterns = {"/catalog/*"}, loadOnStartup = 1)
@Description("Catalog example service.")
public class CatalogService extends AbstractDatabaseService {
@RequestMethod("GET")
@ResourcePath("items")
@Description("Returns a list of all items in the catalog.")
public List<Item> getItems() throws SQLException {
var queryBuilder = QueryBuilder.select(Item.class).ordered(true);
try (var statement = queryBuilder.prepare(getConnection());
var results = queryBuilder.executeQuery(statement)) {
return results.stream().map(result -> BeanAdapter.coerce(result, Item.class)).toList();
}
}
@RequestMethod("GET")
@ResourcePath("items/?")
@Description("Returns detailed information about a specific item.")
public ItemDetail getItem(
@Description("The item ID.") Integer itemID
) throws SQLException {
var queryBuilder = QueryBuilder.select(ItemDetail.class).filterByPrimaryKey("itemID");
try (var statement = queryBuilder.prepare(getConnection());
var results = queryBuilder.executeQuery(statement, mapOf(
entry("itemID", itemID)
))) {
return results.stream().findFirst().map(result -> BeanAdapter.coerce(result, ItemDetail.class)).orElse(null);
}
}
@RequestMethod("POST")
@ResourcePath("items")
@Description("Adds an item to the catalog.")
@Creates
public ItemDetail addItem(
@Description("The item to add.") ItemDetail item
) throws SQLException {
var queryBuilder = QueryBuilder.insert(ItemDetail.class);
item.setCreated(new Date());
try (var statement = queryBuilder.prepare(getConnection())) {
queryBuilder.executeUpdate(statement, new BeanAdapter(item));
}
return getItem(queryBuilder.getGeneratedKey(0, Integer.class));
}
@RequestMethod("PUT")
@ResourcePath("items/?")
@Description("Updates an item.")
public ItemDetail updateItem(
@Description("The item ID.") Integer itemID,
@Description("The updated item.") ItemDetail item
) throws SQLException {
item.setID(itemID);
var queryBuilder = QueryBuilder.update(ItemDetail.class).filterByPrimaryKey("id");
try (var statement = queryBuilder.prepare(getConnection())) {
queryBuilder.executeUpdate(statement, new BeanAdapter(item));
}
return getItem(itemID);
}
@RequestMethod("DELETE")
@ResourcePath("items/?")
@Description("Deletes an item.")
public void deleteItem(
@Description("The item ID.") Integer itemID
) throws SQLException {
var queryBuilder = QueryBuilder.delete(Item.class).filterByPrimaryKey("itemID");
try (var statement = queryBuilder.prepare(getConnection())) {
queryBuilder.executeUpdate(statement, mapOf(
entry("itemID", itemID)
));
}
}
}