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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87.5

today-context/src/main/java/infra/instrument/classloading/SimpleInstrumentableClassLoader.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.instrument.classloading;

import org.jspecify.annotations.Nullable;

import java.lang.instrument.ClassFileTransformer;

import infra.core.OverridingClassLoader;

/**
 * Simplistic implementation of an instrumentable {@code ClassLoader}.
 *
 * <p>Usable in tests and standalone environments.
 *
 * @author Rod Johnson
 * @author Costin Leau
 * @author <a href="https://github.com/TAKETODAY">Harry Yang</a>
 * @since 4.0
 */
public class SimpleInstrumentableClassLoader extends OverridingClassLoader {

  static {
    ClassLoader.registerAsParallelCapable();
  }

  private final WeavingTransformer weavingTransformer;

  /**
   * Create a new SimpleInstrumentableClassLoader for the given ClassLoader.
   *
   * @param parent the ClassLoader to build an instrumentable ClassLoader for
   */
  public SimpleInstrumentableClassLoader(@Nullable ClassLoader parent) {
    super(parent);
    this.weavingTransformer = new WeavingTransformer(parent);
  }

  /**
   * Add a {@link ClassFileTransformer} to be applied by this ClassLoader.
   *
   * @param transformer the {@link ClassFileTransformer} to register
   */
  public void addTransformer(ClassFileTransformer transformer) {
    this.weavingTransformer.addTransformer(transformer);
  }

  @Override
  protected byte[] transformIfNecessary(String name, byte[] bytes) {
    return this.weavingTransformer.transformIfNecessary(name, bytes);
  }

}

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.instrument.classloading;
19
20	import org.jspecify.annotations.Nullable;
21
22	import java.lang.instrument.ClassFileTransformer;
23
24	import infra.core.OverridingClassLoader;
25
26	/**
27	* Simplistic implementation of an instrumentable {@code ClassLoader}.
28	*
29	* <p>Usable in tests and standalone environments.
30	*
31	* @author Rod Johnson
32	* @author Costin Leau
33	* @author <a href="https://github.com/TAKETODAY">Harry Yang</a>
34	* @since 4.0
35	*/
36	public class SimpleInstrumentableClassLoader extends OverridingClassLoader {
37
38	static {
39	ClassLoader.registerAsParallelCapable();	2✔
40	}	1✔
41
42	private final WeavingTransformer weavingTransformer;
43
44	/**
45	* Create a new SimpleInstrumentableClassLoader for the given ClassLoader.
46	*
47	* @param parent the ClassLoader to build an instrumentable ClassLoader for
48	*/
49	public SimpleInstrumentableClassLoader(@Nullable ClassLoader parent) {
50	super(parent);	3✔
51	this.weavingTransformer = new WeavingTransformer(parent);	6✔
52	}	1✔
53
54	/**
55	* Add a {@link ClassFileTransformer} to be applied by this ClassLoader.
56	*
57	* @param transformer the {@link ClassFileTransformer} to register
58	*/
59	public void addTransformer(ClassFileTransformer transformer) {
60	this.weavingTransformer.addTransformer(transformer);	4✔
61	}	1✔
62
63	@Override
64	protected byte[] transformIfNecessary(String name, byte[] bytes) {
65	return this.weavingTransformer.transformIfNecessary(name, bytes);	×
66	}
67
68	}

TAKETODAY / today-infrastructure / 18154768944

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