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Java > Open Source Codes > com > ibatis > sqlmap > client > SqlMapClientBuilder


1 /*
2  * Copyright 2004 Clinton Begin
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */

16 package com.ibatis.sqlmap.client;
17
18 import com.ibatis.sqlmap.engine.builder.xml.SqlMapConfigParser;
19
20 import java.io.Reader JavaDoc;
21 import java.util.Properties JavaDoc;
22
23 /**
24  * Builds SqlMapClient instances from a supplied resource (e.g. XML configuration file)
25  * <p/>
26  * The SqlMapClientBuilder class is responsible for parsing configuration documents
27  * and building the SqlMapClient instance. Its current implementation works with
28  * XML configuration files (e.g. sql-map-config.xml).
29  * <p/>
30  * Example:
31  * <pre>
32  * Reader reader = Resources.getResourceAsReader("properties/sql-map-config.xml");
33  * SqlMapClient client = SqlMapClientBuilder.buildSqlMapClient (reader);
34  * </pre>
35  * <p/>
36  * Examples of the XML document structure used by SqlMapClientBuilder can
37  * be found at the links below.
38  * <p/>
39  * Note: They might look big, but they're mostly comments!
40  * <ul>
41  * <li> <a HREF="sql-map-config.txt">The SQL Map Config File</a>
42  * <li> <a HREF="sql-map.txt">An SQL Map File</a>
43  * <ul>
44  */

45 public class SqlMapClientBuilder {
46
47   /**
48    * No instantiation allowed.
49    */

50   private SqlMapClientBuilder() {
51   }
52
53   /**
54    * Builds an SqlMapClient using the specified reader.
55    *
56    * @param reader A Reader instance that reads an sql-map-config.xml file.
57    * The reader should read an well formed sql-map-config.xml file.
58    * @return An SqlMapClient instance.
59    */

60   public static SqlMapClient buildSqlMapClient(Reader JavaDoc reader) {
61 // return new XmlSqlMapClientBuilder().buildSqlMap(reader);
62
return new SqlMapConfigParser().parse(reader);
63   }
64
65   /**
66    * Builds an SqlMapClient using the specified reader and properties file.
67    * <p/>
68    *
69    * @param reader A Reader instance that reads an sql-map-config.xml file.
70    * The reader should read an well formed sql-map-config.xml file.
71    * @param props Properties to be used to provide values to dynamic property tokens
72    * in the sql-map-config.xml configuration file. This provides an easy way to
73    * achieve some level of programmatic configuration.
74    * @return An SqlMapClient instance.
75    */

76   public static SqlMapClient buildSqlMapClient(Reader JavaDoc reader, Properties JavaDoc props) {
77 // return new XmlSqlMapClientBuilder().buildSqlMap(reader, props);
78
return new SqlMapConfigParser().parse(reader, props);
79   }
80
81 }
82
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