18154768944

Committed 01 Oct 2025 07:26AM UTC coverage: 81.882% (-0.005%) from 81.887%

Build # 18154768944

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push

github

Committed by

web-flow

Commit Message

Merge pull request #290 from TAKETODAY/dev/jspecify

jspecify

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59788 of 78013 branches covered (76.64%)

Branch coverage included in aggregate %.

141239 of 167496 relevant lines covered (84.32%)

3.6 hits per line

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97.14

today-context/src/main/java/infra/context/properties/source/DefaultPropertyMapper.java

/*
 * Copyright 2017 - 2025 the original author or authors.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see [https://www.gnu.org/licenses/]
 */

package infra.context.properties.source;

import org.jspecify.annotations.Nullable;

import java.util.Collections;
import java.util.List;

import infra.util.ObjectUtils;

/**
 * Default {@link PropertyMapper} implementation. Names are mapped by removing invalid
 * characters and converting to lower case. For example "{@code my.server_name.PORT}" is
 * mapped to "{@code my.servername.port}".
 *
 * @author Phillip Webb
 * @author Madhura Bhave
 * @author <a href="https://github.com/TAKETODAY">Harry Yang</a>
 * @see PropertyMapper
 * @see DefaultConfigurationPropertySource
 * @since 4.0
 */
final class DefaultPropertyMapper implements PropertyMapper {

  public static final PropertyMapper INSTANCE = new DefaultPropertyMapper();

  @Nullable
  private LastMapping<ConfigurationPropertyName, List<String>> lastMappedConfigurationPropertyName;

  @Nullable
  private LastMapping<String, ConfigurationPropertyName> lastMappedPropertyName;

  private DefaultPropertyMapper() {
  }

  @Override
  public List<String> map(ConfigurationPropertyName configurationPropertyName) {
    // Use a local copy in case another thread changes things
    LastMapping<ConfigurationPropertyName, List<String>> last = this.lastMappedConfigurationPropertyName;
    if (last != null && last.isFrom(configurationPropertyName)) {
      return last.mapping;
    }
    String convertedName = configurationPropertyName.toString();
    List<String> mapping = Collections.singletonList(convertedName);
    this.lastMappedConfigurationPropertyName = new LastMapping<>(configurationPropertyName, mapping);
    return mapping;
  }

  @Override
  public ConfigurationPropertyName map(String propertySourceName) {
    // Use a local copy in case another thread changes things
    LastMapping<String, ConfigurationPropertyName> last = this.lastMappedPropertyName;
    if (last != null && last.isFrom(propertySourceName)) {
      return last.mapping;
    }
    ConfigurationPropertyName mapping = tryMap(propertySourceName);
    this.lastMappedPropertyName = new LastMapping<>(propertySourceName, mapping);
    return mapping;
  }

  private ConfigurationPropertyName tryMap(String propertySourceName) {
    try {
      ConfigurationPropertyName convertedName = ConfigurationPropertyName.adapt(propertySourceName, '.');
      if (!convertedName.isEmpty()) {
        return convertedName;
      }
    }
    catch (Exception ignored) {
    }
    return ConfigurationPropertyName.EMPTY;
  }

  private static class LastMapping<T, M> {

    public final T from;

    public final M mapping;

    LastMapping(T from, M mapping) {
      this.from = from;
      this.mapping = mapping;
    }

    boolean isFrom(T from) {
      return ObjectUtils.nullSafeEquals(from, this.from);
    }

  }

}

1	/*
2	* Copyright 2017 - 2025 the original author or authors.
3	*
4	* This program is free software: you can redistribute it and/or modify
5	* it under the terms of the GNU General Public License as published by
6	* the Free Software Foundation, either version 3 of the License, or
7	* (at your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful,
10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	* GNU General Public License for more details.
13	*
14	* You should have received a copy of the GNU General Public License
15	* along with this program. If not, see [https://www.gnu.org/licenses/]
16	*/
17
18	package infra.context.properties.source;
19
20	import org.jspecify.annotations.Nullable;
21
22	import java.util.Collections;
23	import java.util.List;
24
25	import infra.util.ObjectUtils;
26
27	/**
28	* Default {@link PropertyMapper} implementation. Names are mapped by removing invalid
29	* characters and converting to lower case. For example "{@code my.server_name.PORT}" is
30	* mapped to "{@code my.servername.port}".
31	*
32	* @author Phillip Webb
33	* @author Madhura Bhave
34	* @author <a href="https://github.com/TAKETODAY">Harry Yang</a>
35	* @see PropertyMapper
36	* @see DefaultConfigurationPropertySource
37	* @since 4.0
38	*/
39	final class DefaultPropertyMapper implements PropertyMapper {
40
41	public static final PropertyMapper INSTANCE = new DefaultPropertyMapper();	5✔
42
43	@Nullable
44	private LastMapping<ConfigurationPropertyName, List<String>> lastMappedConfigurationPropertyName;
45
46	@Nullable
47	private LastMapping<String, ConfigurationPropertyName> lastMappedPropertyName;
48
49	private DefaultPropertyMapper() {
50	}
51
52	@Override
53	public List<String> map(ConfigurationPropertyName configurationPropertyName) {
54	// Use a local copy in case another thread changes things
55	LastMapping<ConfigurationPropertyName, List<String>> last = this.lastMappedConfigurationPropertyName;	3✔
56	if (last != null && last.isFrom(configurationPropertyName)) {	6✔
57	return last.mapping;	4✔
58	}
59	String convertedName = configurationPropertyName.toString();	3✔
60	List<String> mapping = Collections.singletonList(convertedName);	3✔
61	this.lastMappedConfigurationPropertyName = new LastMapping<>(configurationPropertyName, mapping);	7✔
62	return mapping;	2✔
63	}
64
65	@Override
66	public ConfigurationPropertyName map(String propertySourceName) {
67	// Use a local copy in case another thread changes things
68	LastMapping<String, ConfigurationPropertyName> last = this.lastMappedPropertyName;	3✔
69	if (last != null && last.isFrom(propertySourceName)) {	6✔
70	return last.mapping;	4✔
71	}
72	ConfigurationPropertyName mapping = tryMap(propertySourceName);	4✔
73	this.lastMappedPropertyName = new LastMapping<>(propertySourceName, mapping);	7✔
74	return mapping;	2✔
75	}
76
77	private ConfigurationPropertyName tryMap(String propertySourceName) {
78	try {
79	ConfigurationPropertyName convertedName = ConfigurationPropertyName.adapt(propertySourceName, '.');	4✔
80	if (!convertedName.isEmpty()) {	3✔
81	return convertedName;	2✔
82	}
83	}
84	catch (Exception ignored) {	×
85	}	1✔
86	return ConfigurationPropertyName.EMPTY;	2✔
87	}
88
89	private static class LastMapping<T, M> {
90
91	public final T from;
92
93	public final M mapping;
94
95	LastMapping(T from, M mapping) {	2✔
96	this.from = from;	3✔
97	this.mapping = mapping;	3✔
98	}	1✔
99
100	boolean isFrom(T from) {
101	return ObjectUtils.nullSafeEquals(from, this.from);	5✔
102	}
103
104	}
105
106	}

TAKETODAY / today-infrastructure / 18154768944

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