18154768944

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

Build # 18154768944

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #290 from TAKETODAY/dev/jspecify

jspecify

Coverage Stats

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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88.57

today-context/src/main/java/infra/format/support/DelimitedStringToArrayConverter.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.format.support;

import org.jspecify.annotations.Nullable;

import java.lang.reflect.Array;
import java.util.Collections;
import java.util.Set;

import infra.core.TypeDescriptor;
import infra.core.conversion.ConditionalGenericConverter;
import infra.core.conversion.ConversionService;
import infra.format.annotation.Delimiter;
import infra.lang.Assert;
import infra.util.StringUtils;

/**
 * Converts a {@link Delimiter delimited} String to an Array.
 *
 * @author Phillip Webb
 * @author <a href="https://github.com/TAKETODAY">海子 Yang</a>
 */
final class DelimitedStringToArrayConverter implements ConditionalGenericConverter {

  private final ConversionService conversionService;

  DelimitedStringToArrayConverter(ConversionService conversionService) {
    Assert.notNull(conversionService, "ConversionService is required");
    this.conversionService = conversionService;
  }

  @Override
  public Set<ConvertiblePair> getConvertibleTypes() {
    return Collections.singleton(new ConvertiblePair(String.class, Object[].class));
  }

  @Override
  public boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType) {
    return targetType.getElementDescriptor() == null
            || this.conversionService.canConvert(sourceType, targetType.getElementDescriptor());
  }

  @Nullable
  @Override
  public Object convert(@Nullable Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
    if (source == null) {
      return null;
    }
    return convert((String) source, sourceType, targetType);
  }

  private Object convert(String source, TypeDescriptor sourceType, TypeDescriptor targetType) {
    Delimiter delimiter = targetType.getAnnotation(Delimiter.class);
    String[] elements = getElements(source, delimiter != null ? delimiter.value() : ",");
    TypeDescriptor elementDescriptor = targetType.getElementDescriptor();
    Assert.state(elementDescriptor != null, "elementDescriptor is missing");
    Object target = Array.newInstance(elementDescriptor.getType(), elements.length);
    for (int i = 0; i < elements.length; i++) {
      String sourceElement = elements[i];
      Object targetElement = this.conversionService.convert(sourceElement.trim(), sourceType, elementDescriptor);
      Array.set(target, i, targetElement);
    }
    return target;
  }

  private String[] getElements(String source, String delimiter) {
    return StringUtils.delimitedListToStringArray(source, Delimiter.NONE.equals(delimiter) ? null : delimiter);
  }

}

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.format.support;
19
20	import org.jspecify.annotations.Nullable;
21
22	import java.lang.reflect.Array;
23	import java.util.Collections;
24	import java.util.Set;
25
26	import infra.core.TypeDescriptor;
27	import infra.core.conversion.ConditionalGenericConverter;
28	import infra.core.conversion.ConversionService;
29	import infra.format.annotation.Delimiter;
30	import infra.lang.Assert;
31	import infra.util.StringUtils;
32
33	/**
34	* Converts a {@link Delimiter delimited} String to an Array.
35	*
36	* @author Phillip Webb
37	* @author <a href="https://github.com/TAKETODAY">海子 Yang</a>
38	*/
39	final class DelimitedStringToArrayConverter implements ConditionalGenericConverter {
40
41	private final ConversionService conversionService;
42
43	DelimitedStringToArrayConverter(ConversionService conversionService) {	2✔
44	Assert.notNull(conversionService, "ConversionService is required");	3✔
45	this.conversionService = conversionService;	3✔
46	}	1✔
47
48	@Override
49	public Set<ConvertiblePair> getConvertibleTypes() {
50	return Collections.singleton(new ConvertiblePair(String.class, Object[].class));	7✔
51	}
52
53	@Override
54	public boolean matches(TypeDescriptor sourceType, TypeDescriptor targetType) {
55	return targetType.getElementDescriptor() == null	8!
56	\|\| this.conversionService.canConvert(sourceType, targetType.getElementDescriptor());	6✔
57	}
58
59	@Nullable
60	@Override
61	public Object convert(@Nullable Object source, TypeDescriptor sourceType, TypeDescriptor targetType) {
62	if (source == null) {	2!
63	return null;	×
64	}
65	return convert((String) source, sourceType, targetType);	7✔
66	}
67
68	private Object convert(String source, TypeDescriptor sourceType, TypeDescriptor targetType) {
69	Delimiter delimiter = targetType.getAnnotation(Delimiter.class);	5✔
70	String[] elements = getElements(source, delimiter != null ? delimiter.value() : ",");	10✔
71	TypeDescriptor elementDescriptor = targetType.getElementDescriptor();	3✔
72	Assert.state(elementDescriptor != null, "elementDescriptor is missing");	6!
73	Object target = Array.newInstance(elementDescriptor.getType(), elements.length);	6✔
74	for (int i = 0; i < elements.length; i++) {	8✔
75	String sourceElement = elements[i];	4✔
76	Object targetElement = this.conversionService.convert(sourceElement.trim(), sourceType, elementDescriptor);	8✔
77	Array.set(target, i, targetElement);	4✔
78	}
79	return target;	2✔
80	}
81
82	private String[] getElements(String source, String delimiter) {
83	return StringUtils.delimitedListToStringArray(source, Delimiter.NONE.equals(delimiter) ? null : delimiter);	10✔
84	}
85
86	}

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