20224960533

Committed 15 Dec 2025 08:11AM UTC coverage: 84.388% (-0.02%) from 84.404%

Build # 20224960533

Build Type

push

github

Committed by

TAKETODAY

Commit Message

:white_check_mark: 在测试中排除 jacoco 初始化方法以避免干扰

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61869 of 78367 branches covered (78.95%)

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89.66

today-context/src/main/java/infra/context/annotation/ComponentMethod.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.annotation;

import org.jspecify.annotations.Nullable;

import java.util.Map;

import infra.beans.factory.annotation.Autowired;
import infra.beans.factory.parsing.Location;
import infra.beans.factory.parsing.Problem;
import infra.beans.factory.parsing.ProblemReporter;
import infra.core.type.MethodMetadata;
import infra.stereotype.Component;

/**
 * Represents a {@link Configuration @Configuration} class method annotated with
 * {@link Component @Component}.
 *
 * @author Chris Beams
 * @author Juergen Hoeller
 * @author Sam Brannen
 * @author <a href="https://github.com/TAKETODAY">Harry Yang</a>
 * @see ConfigurationClass
 * @see ConfigurationClassParser
 * @see ConfigurationClassBeanDefinitionReader
 * @since 4.0
 */
final class ComponentMethod {

  public final MethodMetadata metadata;

  public final ConfigurationClass configurationClass;

  public ComponentMethod(MethodMetadata metadata, ConfigurationClass configurationClass) {
    this.metadata = metadata;
    this.configurationClass = configurationClass;
  }

  public Location getResourceLocation() {
    return new Location(this.configurationClass.resource, this.metadata);
  }

  @SuppressWarnings("NullAway")
  public void validate(ProblemReporter problemReporter) {
    if (metadata.getAnnotationAttributes(Autowired.class.getName()) != null) {
      // declared as @Autowired: semantic mismatch since @Component method arguments are autowired
      // in any case whereas @Autowired methods are setter-like methods on the containing class
      problemReporter.error(new AutowiredDeclaredMethodError());
    }

    if ("void".equals(metadata.getReturnTypeName())) {
      // declared as void: potential misuse of @Bean, maybe meant as init method instead?
      problemReporter.error(new VoidDeclaredMethodError());
    }

    if (metadata.isStatic()) {
      // static @Component methods have no further constraints to validate -> return immediately
      return;
    }

    Map<String, Object> attributes = configurationClass.metadata.getAnnotationAttributes(Configuration.class);
    if (attributes != null && (Boolean) attributes.get("proxyBeanMethods") && !metadata.isOverridable()) {
      // instance @Bean methods within @Configuration classes must be overridable to accommodate CGLIB
      problemReporter.error(new NonOverridableMethodError());
    }

  }

  @Override
  public boolean equals(@Nullable Object other) {
    return (this == other || (other instanceof ComponentMethod that &&
            this.configurationClass.equals(that.configurationClass) &&
            getLocalMethodIdentifier(this.metadata).equals(getLocalMethodIdentifier(that.metadata))));
  }

  @Override
  public int hashCode() {
    return this.configurationClass.hashCode() * 31 + getLocalMethodIdentifier(this.metadata).hashCode();
  }

  private static String getLocalMethodIdentifier(MethodMetadata metadata) {
    String metadataString = metadata.toString();
    int index = metadataString.indexOf(metadata.getDeclaringClassName());
    return (index >= 0 ? metadataString.substring(index + metadata.getDeclaringClassName().length()) :
            metadataString);
  }

  @Override
  public String toString() {
    return "ComponentMethod: " + this.metadata;
  }

  private class AutowiredDeclaredMethodError extends Problem {

    AutowiredDeclaredMethodError() {
      super("@Component method '%s' must not be declared as autowired; remove the method-level @Autowired annotation."
              .formatted(metadata.getMethodName()), getResourceLocation());
    }
  }

  private class VoidDeclaredMethodError extends Problem {

    VoidDeclaredMethodError() {
      super("@Component method '%s' must not be declared as void; change the method's return type or its annotation."
              .formatted(metadata.getMethodName()), getResourceLocation());
    }
  }

  private class NonOverridableMethodError extends Problem {

    NonOverridableMethodError() {
      super(String.format("@Component method '%s' must not be private or final; change the method's modifiers to continue",
              metadata.getMethodName()), getResourceLocation());
    }
  }

}

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.annotation;
19
20	import org.jspecify.annotations.Nullable;
21
22	import java.util.Map;
23
24	import infra.beans.factory.annotation.Autowired;
25	import infra.beans.factory.parsing.Location;
26	import infra.beans.factory.parsing.Problem;
27	import infra.beans.factory.parsing.ProblemReporter;
28	import infra.core.type.MethodMetadata;
29	import infra.stereotype.Component;
30
31	/**
32	* Represents a {@link Configuration @Configuration} class method annotated with
33	* {@link Component @Component}.
34	*
35	* @author Chris Beams
36	* @author Juergen Hoeller
37	* @author Sam Brannen
38	* @author <a href="https://github.com/TAKETODAY">Harry Yang</a>
39	* @see ConfigurationClass
40	* @see ConfigurationClassParser
41	* @see ConfigurationClassBeanDefinitionReader
42	* @since 4.0
43	*/
44	final class ComponentMethod {
45
46	public final MethodMetadata metadata;
47
48	public final ConfigurationClass configurationClass;
49
50	public ComponentMethod(MethodMetadata metadata, ConfigurationClass configurationClass) {	2✔
51	this.metadata = metadata;	3✔
52	this.configurationClass = configurationClass;	3✔
53	}	1✔
54
55	public Location getResourceLocation() {
56	return new Location(this.configurationClass.resource, this.metadata);	9✔
57	}
58
59	@SuppressWarnings("NullAway")
60	public void validate(ProblemReporter problemReporter) {
61	if (metadata.getAnnotationAttributes(Autowired.class.getName()) != null) {	6✔
62	// declared as @Autowired: semantic mismatch since @Component method arguments are autowired
63	// in any case whereas @Autowired methods are setter-like methods on the containing class
64	problemReporter.error(new AutowiredDeclaredMethodError());	×
65	}
66
67	if ("void".equals(metadata.getReturnTypeName())) {	6✔
68	// declared as void: potential misuse of @Bean, maybe meant as init method instead?
69	problemReporter.error(new VoidDeclaredMethodError());	×
70	}
71
72	if (metadata.isStatic()) {	4✔
73	// static @Component methods have no further constraints to validate -> return immediately
74	return;	1✔
75	}
76
77	Map<String, Object> attributes = configurationClass.metadata.getAnnotationAttributes(Configuration.class);	6✔
78	if (attributes != null && (Boolean) attributes.get("proxyBeanMethods") && !metadata.isOverridable()) {	12✔
79	// instance @Bean methods within @Configuration classes must be overridable to accommodate CGLIB
80	problemReporter.error(new NonOverridableMethodError());	×
81	}
82
83	}	1✔
84
85	@Override
86	public boolean equals(@Nullable Object other) {
87	return (this == other \|\| (other instanceof ComponentMethod that &&	14✔
88	this.configurationClass.equals(that.configurationClass) &&	4✔
89	getLocalMethodIdentifier(this.metadata).equals(getLocalMethodIdentifier(that.metadata))));	9!
90	}
91
92	@Override
93	public int hashCode() {
94	return this.configurationClass.hashCode() * 31 + getLocalMethodIdentifier(this.metadata).hashCode();	11✔
95	}
96
97	private static String getLocalMethodIdentifier(MethodMetadata metadata) {
98	String metadataString = metadata.toString();	3✔
99	int index = metadataString.indexOf(metadata.getDeclaringClassName());	5✔
100	return (index >= 0 ? metadataString.substring(index + metadata.getDeclaringClassName().length()) :	11!
101	metadataString);	×
102	}
103
104	@Override
105	public String toString() {
106	return "ComponentMethod: " + this.metadata;	5✔
107	}
108
109	private class AutowiredDeclaredMethodError extends Problem {
110
111	AutowiredDeclaredMethodError() {	3✔
112	super("@Component method '%s' must not be declared as autowired; remove the method-level @Autowired annotation."	9✔
113	.formatted(metadata.getMethodName()), getResourceLocation());	5✔
114	}	1✔
115	}
116
117	private class VoidDeclaredMethodError extends Problem {
118
119	VoidDeclaredMethodError() {	3✔
120	super("@Component method '%s' must not be declared as void; change the method's return type or its annotation."	9✔
121	.formatted(metadata.getMethodName()), getResourceLocation());	5✔
122	}	1✔
123	}
124
125	private class NonOverridableMethodError extends Problem {
126
127	NonOverridableMethodError() {	3✔
128	super(String.format("@Component method '%s' must not be private or final; change the method's modifiers to continue",	11✔
129	metadata.getMethodName()), getResourceLocation());	3✔
130	}	1✔
131	}
132
133	}

TAKETODAY / today-infrastructure / 20224960533

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