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comparison: src/main/java/de/uapcore/lightpit/dao/postgres/PGComponentDao.java

src/main/java/de/uapcore/lightpit/dao/postgres/PGComponentDao.java

changeset 159
86b5d8a1662f
parent 153
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equal deleted inserted replaced
158:4f912cd42876 159:86b5d8a1662f
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2018 Mike Becker. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29 package de.uapcore.lightpit.dao.postgres;
30
31 import de.uapcore.lightpit.dao.ComponentDao;
32 import de.uapcore.lightpit.dao.Functions;
33 import de.uapcore.lightpit.entities.Component;
34 import de.uapcore.lightpit.entities.Project;
35 import de.uapcore.lightpit.entities.User;
36 import de.uapcore.lightpit.types.WebColor;
37
38 import java.sql.Connection;
39 import java.sql.PreparedStatement;
40 import java.sql.ResultSet;
41 import java.sql.SQLException;
42 import java.util.List;
43
44 public final class PGComponentDao implements ComponentDao {
45
46 private final PreparedStatement insert, update, list, find, findByNode;
47
48 public PGComponentDao(Connection connection) throws SQLException {
49 final var query = "select id, name, node, color, ordinal, description, " +
50 "userid, username, givenname, lastname, mail " +
51 "from lpit_component " +
52 "left join lpit_user on lead = userid";
53
54 list = connection.prepareStatement(query + " where project = ? order by ordinal, lower(name)");
55
56 find = connection.prepareStatement(query + " where id = ? ");
57
58 findByNode = connection.prepareStatement(query + " where project = ? and node = ?");
59
60 insert = connection.prepareStatement(
61 "insert into lpit_component (name, node, color, ordinal, description, lead, project) values (?, ?, ?, ?, ?, ?, ?)"
62 );
63
64 update = connection.prepareStatement(
65 "update lpit_component set name = ?, node = ?, color = ?, ordinal = ?, description = ?, lead = ? where id = ?"
66 );
67 }
68
69 private static Component mapColumns(ResultSet result) throws SQLException {
70 final var component = new Component(result.getInt("id"));
71 component.setName(result.getString("name"));
72 component.setNode(result.getString("node"));
73 try {
74 component.setColor(new WebColor(result.getString("color")));
75 } catch (IllegalArgumentException ex) {
76 // if someone tempered with the database we default the color to black
77 component.setColor(new WebColor("000000"));
78 }
79 component.setOrdinal(result.getInt("ordinal"));
80 component.setDescription(result.getString("description"));
81 component.setLead(PGUserDao.mapColumns(result));
82 return component;
83 }
84
85 private static int setColumns(PreparedStatement stmt, Component instance) throws SQLException {
86 int column = 0;
87 stmt.setString(++column, instance.getName());
88 stmt.setString(++column, instance.getNode());
89 stmt.setString(++column, instance.getColor().getHex());
90 stmt.setInt(++column, instance.getOrdinal());
91 Functions.setStringOrNull(stmt, ++column, instance.getDescription());
92 Functions.setForeignKeyOrNull(stmt, ++column, instance.getLead(), User::getId);
93 return column;
94 }
95
96 @Override
97 public void save(Component instance, Project project) throws SQLException {
98 int column = setColumns(insert, instance);
99 insert.setInt(++column, project.getId());
100 insert.executeUpdate();
101 }
102
103 @Override
104 public boolean update(Component instance) throws SQLException {
105 if (instance.getId() < 0) return false;
106 int column = setColumns(update, instance);
107 update.setInt(++column, instance.getId());
108 return update.executeUpdate() > 0;
109 }
110
111
112 @Override
113 public List<Component> list(Project project) throws SQLException {
114 list.setInt(1, project.getId());
115 return Functions.list(list, PGComponentDao::mapColumns);
116 }
117
118 @Override
119 public Component find(int id) throws SQLException {
120 find.setInt(1, id);
121 return Functions.find(find, PGComponentDao::mapColumns);
122 }
123
124 @Override
125 public Component findByNode(Project project, String node) throws SQLException {
126 findByNode.setInt(1, project.getId());
127 findByNode.setString(2, node);;
128 return Functions.find(findByNode, PGComponentDao::mapColumns);
129 }
130 }

Mercurial Repository: LightPIT

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