#1164

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Build # #1164

Build Type

Pull #189

github

Committed by

web-flow

Commit Message

Merge e930cb29c into 34bbfca66

Pull Request Pull Request #189: Update dependency org.mybatis:mybatis-parent to v38

Run Details

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100.0

/src/main/java/org/mybatis/scripting/thymeleaf/MyBatisBindingContext.java

/*
 *    Copyright 2018-2022 the original author or authors.
 *
 *    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
 *
 *       https://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.mybatis.scripting.thymeleaf;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.thymeleaf.context.IContext;
import org.thymeleaf.engine.IterationStatusVar;

/**
 * The context object for integrating with MyBatis and Thymeleaf template engine.
 *
 * @author Kazuki Shimizu
 *
 * @version 1.0.0
 */
public class MyBatisBindingContext {

  static final String CONTEXT_VARIABLE_NAME = "_" + MyBatisBindingContext.class.getName();

  private final Map<String, Object> customBindVariables = new HashMap<>();
  private final IterationStatusManager iterationStatusManager = new IterationStatusManager();
  private final boolean fallbackParameterObject;

  /**
   * Load instance from {@link IContext} provided by Thymeleaf.
   *
   * @param context
   *          a context of thymeleaf template processing
   *
   * @return instance of this class
   */
  public static MyBatisBindingContext load(IContext context) {
    return (MyBatisBindingContext) context.getVariable(CONTEXT_VARIABLE_NAME);
  }

  /**
   * Constructor.
   *
   * @param fallbackParameterObject
   *          whether use fallback parameter object when parameter is value object
   */
  MyBatisBindingContext(boolean fallbackParameterObject) {
    this.fallbackParameterObject = fallbackParameterObject;
  }

  /**
   * Get custom bind variables.
   *
   * @return custom bind variables
   */
  Map<String, Object> getCustomBindVariables() {
    return customBindVariables;
  }

  /**
   * Set a value into custom bind variable.
   *
   * @param name
   *          variable name
   * @param value
   *          variable value
   */
  public void setCustomBindVariable(String name, Object value) {
    customBindVariables.put(name, value);
  }

  /**
   * Return whether contains specified variable into custom bind variables.
   *
   * @param name
   *          variable name
   *
   * @return If specified variable exists, return {@code true}
   */
  public boolean containsCustomBindVariable(String name) {
    return customBindVariables.containsKey(name);
  }

  /**
   * Generate an unique variable name per iteration object. <br>
   * Variable name rule is {@code {objectName}_{status list index}_{status.getIndex()}}.
   *
   * @param objectName
   *          base object name
   * @param status
   *          iteration status object
   *
   * @return an unique variable name per iteration object
   */
  public String generateUniqueName(String objectName, IterationStatusVar status) {
    return iterationStatusManager.generateUniqueName(objectName, status);
  }

  /**
   * Return whether use fallback parameter object when parameter is value object.
   *
   * @return If use fallback parameter object, return {@code true}
   */
  boolean isFallbackParameterObject() {
    return fallbackParameterObject;
  }

  private static class IterationStatusManager {

    private final Map<String, List<IterationStatusVar>> statusListMapping = new HashMap<>();

    private String generateUniqueName(String objectName, IterationStatusVar status) {
      List<IterationStatusVar> statusList = statusListMapping.computeIfAbsent(objectName, k -> new ArrayList<>());
      int index;
      if (!statusList.contains(status)) {
        index = statusList.size();
        statusList.add(status);
      } else {
        index = statusList.indexOf(status);
      }
      return objectName + "_" + index + "_" + status.getIndex();
    }

  }

}

1	/*
2	* Copyright 2018-2022 the original author or authors.
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	* https://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 org.mybatis.scripting.thymeleaf;
17
18	import java.util.ArrayList;
19	import java.util.HashMap;
20	import java.util.List;
21	import java.util.Map;
22
23	import org.thymeleaf.context.IContext;
24	import org.thymeleaf.engine.IterationStatusVar;
25
26	/**
27	* The context object for integrating with MyBatis and Thymeleaf template engine.
28	*
29	* @author Kazuki Shimizu
30	*
31	* @version 1.0.0
32	*/
33	public class MyBatisBindingContext {
34
35	static final String CONTEXT_VARIABLE_NAME = "_" + MyBatisBindingContext.class.getName();	1✔
36
37	private final Map<String, Object> customBindVariables = new HashMap<>();	1✔
38	private final IterationStatusManager iterationStatusManager = new IterationStatusManager();	1✔
39	private final boolean fallbackParameterObject;
40
41	/**
42	* Load instance from {@link IContext} provided by Thymeleaf.
43	*
44	* @param context
45	* a context of thymeleaf template processing
46	*
47	* @return instance of this class
48	*/
49	public static MyBatisBindingContext load(IContext context) {
50	return (MyBatisBindingContext) context.getVariable(CONTEXT_VARIABLE_NAME);	1✔
51	}
52
53	/**
54	* Constructor.
55	*
56	* @param fallbackParameterObject
57	* whether use fallback parameter object when parameter is value object
58	*/
59	MyBatisBindingContext(boolean fallbackParameterObject) {	1✔
60	this.fallbackParameterObject = fallbackParameterObject;	1✔
61	}	1✔
62
63	/**
64	* Get custom bind variables.
65	*
66	* @return custom bind variables
67	*/
68	Map<String, Object> getCustomBindVariables() {
69	return customBindVariables;	1✔
70	}
71
72	/**
73	* Set a value into custom bind variable.
74	*
75	* @param name
76	* variable name
77	* @param value
78	* variable value
79	*/
80	public void setCustomBindVariable(String name, Object value) {
81	customBindVariables.put(name, value);	1✔
82	}	1✔
83
84	/**
85	* Return whether contains specified variable into custom bind variables.
86	*
87	* @param name
88	* variable name
89	*
90	* @return If specified variable exists, return {@code true}
91	*/
92	public boolean containsCustomBindVariable(String name) {
93	return customBindVariables.containsKey(name);	1✔
94	}
95
96	/**
97	* Generate an unique variable name per iteration object. <br>
98	* Variable name rule is {@code {objectName}_{status list index}_{status.getIndex()}}.
99	*
100	* @param objectName
101	* base object name
102	* @param status
103	* iteration status object
104	*
105	* @return an unique variable name per iteration object
106	*/
107	public String generateUniqueName(String objectName, IterationStatusVar status) {
108	return iterationStatusManager.generateUniqueName(objectName, status);	1✔
109	}
110
111	/**
112	* Return whether use fallback parameter object when parameter is value object.
113	*
114	* @return If use fallback parameter object, return {@code true}
115	*/
116	boolean isFallbackParameterObject() {
117	return fallbackParameterObject;	1✔
118	}
119
120	private static class IterationStatusManager {	1✔
121
122	private final Map<String, List<IterationStatusVar>> statusListMapping = new HashMap<>();	1✔
123
124	private String generateUniqueName(String objectName, IterationStatusVar status) {
125	List<IterationStatusVar> statusList = statusListMapping.computeIfAbsent(objectName, k -> new ArrayList<>());	1✔
126	int index;
127	if (!statusList.contains(status)) {	1✔
128	index = statusList.size();	1✔
129	statusList.add(status);	1✔
130	} else {
131	index = statusList.indexOf(status);	1✔
132	}
133	return objectName + "_" + index + "_" + status.getIndex();	1✔
134	}
135
136	}
137
138	}

mybatis / thymeleaf-scripting / #1164

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