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1   /*
2    * Copyright (c) 2012-2023, jcabi.com
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met: 1) Redistributions of source code must retain the above
8    * copyright notice, this list of conditions and the following
9    * disclaimer. 2) Redistributions in binary form must reproduce the above
10   * copyright notice, this list of conditions and the following
11   * disclaimer in the documentation and/or other materials provided
12   * with the distribution. 3) Neither the name of the jcabi.com nor
13   * the names of its contributors may be used to endorse or promote
14   * products derived from this software without specific prior written
15   * permission.
16   *
17   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
19   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
20   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
22   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
28   * OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package com.jcabi.jdbc;
31  
32  import java.sql.Date;
33  import java.sql.PreparedStatement;
34  import java.sql.SQLException;
35  import java.sql.Types;
36  import java.util.Collection;
37  import java.util.Collections;
38  
39  /**
40   * Prepare arguments.
41   *
42   * @since 0.13
43   */
44  final class PrepareArgs implements Preparation {
45  
46      /**
47       * Arguments.
48       */
49      private final transient Collection<Object> args;
50  
51      /**
52       * Ctor.
53       * @param arguments Arguments
54       */
55      PrepareArgs(final Collection<Object> arguments) {
56          this.args = Collections.unmodifiableCollection(arguments);
57      }
58  
59      @Override
60      @SuppressWarnings(
61          {
62              "PMD.CyclomaticComplexity", "PMD.StdCyclomaticComplexity",
63              "PMD.ModifiedCyclomaticComplexity"
64          }
65      )
66      public void prepare(final PreparedStatement stmt) throws SQLException {
67          int pos = 1;
68          for (final Object arg : this.args) {
69              if (arg == null) {
70                  stmt.setNull(pos, Types.NULL);
71              } else if (arg instanceof Long) {
72                  stmt.setLong(pos, Long.class.cast(arg));
73              } else if (arg instanceof Boolean) {
74                  stmt.setBoolean(pos, Boolean.class.cast(arg));
75              } else if (arg instanceof Date) {
76                  stmt.setDate(pos, Date.class.cast(arg));
77              } else if (arg instanceof Integer) {
78                  stmt.setInt(pos, Integer.class.cast(arg));
79              } else if (arg instanceof Utc) {
80                  Utc.class.cast(arg).setTimestamp(stmt, pos);
81              } else if (arg instanceof Float) {
82                  stmt.setFloat(pos, Float.class.cast(arg));
83              } else if (arg instanceof byte[]) {
84                  stmt.setBytes(pos, byte[].class.cast(arg));
85              } else {
86                  stmt.setObject(pos, arg);
87              }
88              ++pos;
89          }
90      }
91  }