#801

Committed 27 Oct 2025 09:37AM UTC coverage: 84.715% (-0.4%) from 85.118%

Build # #801

Build Type

push

Committed by

Commit Message

Fix imports.

Run Details

29586 of 34924 relevant lines covered (84.72%)

0.85 hits per line

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81.82

/byte-buddy-dep/src/main/java/net/bytebuddy/implementation/bytecode/constant/SerializedConstant.java

/*
 * Copyright 2014 - Present Rafael Winterhalter
 *
 * 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
 *
 *     http://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 net.bytebuddy.implementation.bytecode.constant;

import net.bytebuddy.build.HashCodeAndEqualsPlugin;
import net.bytebuddy.description.method.MethodDescription;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.implementation.Implementation;
import net.bytebuddy.implementation.bytecode.Duplication;
import net.bytebuddy.implementation.bytecode.StackManipulation;
import net.bytebuddy.implementation.bytecode.TypeCreation;
import net.bytebuddy.implementation.bytecode.member.MethodInvocation;
import net.bytebuddy.utility.nullability.MaybeNull;
import org.objectweb.asm.MethodVisitor;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

/**
 * A constant that represents a value in its serialized form.
 */
@HashCodeAndEqualsPlugin.Enhance
public class SerializedConstant extends StackManipulation.AbstractBase {

    /**
     * A charset that does not change the supplied byte array upon encoding or decoding.
     */
    private static final String CHARSET = "ISO-8859-1";

    /**
     * The serialized value.
     */
    private final String serialization;

    /**
     * Creates a new constant for a serialized value.
     *
     * @param serialization The serialized value.
     */
    protected SerializedConstant(String serialization) {
        this.serialization = serialization;
    }

    /**
     * Creates a new stack manipulation to load the supplied value onto the stack.
     *
     * @param value The value to serialize or {@code null}.
     * @return A stack manipulation to serialize the supplied value.
     */
    public static StackManipulation of(@MaybeNull Serializable value) {
        if (value == null) {
            return NullConstant.INSTANCE;
        }
        try {
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
            ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);
            try {
                objectOutputStream.writeObject(value);
            } finally {
                objectOutputStream.close();
            }
            return new SerializedConstant(byteArrayOutputStream.toString(CHARSET));
        } catch (IOException exception) {
            throw new IllegalStateException("Cannot serialize " + value, exception);
        }
    }

    /**
     * {@inheritDoc}
     */
    public Size apply(MethodVisitor methodVisitor, Implementation.Context implementationContext) {
        try {
            return new StackManipulation.Compound(
                    TypeCreation.of(TypeDescription.ForLoadedType.of(ObjectInputStream.class)),
                    Duplication.SINGLE,
                    TypeCreation.of(TypeDescription.ForLoadedType.of(ByteArrayInputStream.class)),
                    Duplication.SINGLE,
                    new TextConstant(serialization),
                    new TextConstant(CHARSET),
                    MethodInvocation.invoke(new MethodDescription.ForLoadedMethod(String.class.getMethod("getBytes", String.class))),
                    MethodInvocation.invoke(new MethodDescription.ForLoadedConstructor(ByteArrayInputStream.class.getConstructor(byte[].class))),
                    MethodInvocation.invoke(new MethodDescription.ForLoadedConstructor(ObjectInputStream.class.getConstructor(InputStream.class))),
                    MethodInvocation.invoke(new MethodDescription.ForLoadedMethod(ObjectInputStream.class.getMethod("readObject")))
            ).apply(methodVisitor, implementationContext);
        } catch (NoSuchMethodException exception) {
            throw new IllegalStateException("Could not locate Java API method", exception);
        }
    }
}

1	/*
2	* Copyright 2014 - Present Rafael Winterhalter
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	* http://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 net.bytebuddy.implementation.bytecode.constant;
17
18	import net.bytebuddy.build.HashCodeAndEqualsPlugin;
19	import net.bytebuddy.description.method.MethodDescription;
20	import net.bytebuddy.description.type.TypeDescription;
21	import net.bytebuddy.implementation.Implementation;
22	import net.bytebuddy.implementation.bytecode.Duplication;
23	import net.bytebuddy.implementation.bytecode.StackManipulation;
24	import net.bytebuddy.implementation.bytecode.TypeCreation;
25	import net.bytebuddy.implementation.bytecode.member.MethodInvocation;
26	import net.bytebuddy.utility.nullability.MaybeNull;
27	import org.objectweb.asm.MethodVisitor;
28
29	import java.io.ByteArrayInputStream;
30	import java.io.ByteArrayOutputStream;
31	import java.io.IOException;
32	import java.io.InputStream;
33	import java.io.ObjectInputStream;
34	import java.io.ObjectOutputStream;
35	import java.io.Serializable;
36
37	/**
38	* A constant that represents a value in its serialized form.
39	*/
40	@HashCodeAndEqualsPlugin.Enhance
41	public class SerializedConstant extends StackManipulation.AbstractBase {
42
43	/**
44	* A charset that does not change the supplied byte array upon encoding or decoding.
45	*/
46	private static final String CHARSET = "ISO-8859-1";
47
48	/**
49	* The serialized value.
50	*/
51	private final String serialization;
52
53	/**
54	* Creates a new constant for a serialized value.
55	*
56	* @param serialization The serialized value.
57	*/
58	protected SerializedConstant(String serialization) {	1✔
59	this.serialization = serialization;	1✔
60	}	1✔
61
62	/**
63	* Creates a new stack manipulation to load the supplied value onto the stack.
64	*
65	* @param value The value to serialize or {@code null}.
66	* @return A stack manipulation to serialize the supplied value.
67	*/
68	public static StackManipulation of(@MaybeNull Serializable value) {
69	if (value == null) {	1✔
70	return NullConstant.INSTANCE;	1✔
71	}
72	try {
73	ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();	1✔
74	ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);	1✔
75	try {
76	objectOutputStream.writeObject(value);	1✔
77	} finally {
78	objectOutputStream.close();	1✔
79	}
80	return new SerializedConstant(byteArrayOutputStream.toString(CHARSET));	1✔
81	} catch (IOException exception) {	×
82	throw new IllegalStateException("Cannot serialize " + value, exception);	×
83	}
84	}
85
86	/**
87	* {@inheritDoc}
88	*/
89	public Size apply(MethodVisitor methodVisitor, Implementation.Context implementationContext) {
90	try {
91	return new StackManipulation.Compound(	1✔
92	TypeCreation.of(TypeDescription.ForLoadedType.of(ObjectInputStream.class)),	1✔
93	Duplication.SINGLE,
94	TypeCreation.of(TypeDescription.ForLoadedType.of(ByteArrayInputStream.class)),	1✔
95	Duplication.SINGLE,
96	new TextConstant(serialization),
97	new TextConstant(CHARSET),
98	MethodInvocation.invoke(new MethodDescription.ForLoadedMethod(String.class.getMethod("getBytes", String.class))),	1✔
99	MethodInvocation.invoke(new MethodDescription.ForLoadedConstructor(ByteArrayInputStream.class.getConstructor(byte[].class))),	1✔
100	MethodInvocation.invoke(new MethodDescription.ForLoadedConstructor(ObjectInputStream.class.getConstructor(InputStream.class))),	1✔
101	MethodInvocation.invoke(new MethodDescription.ForLoadedMethod(ObjectInputStream.class.getMethod("readObject")))	1✔
102	).apply(methodVisitor, implementationContext);	1✔
103	} catch (NoSuchMethodException exception) {	×
104	throw new IllegalStateException("Could not locate Java API method", exception);	×
105	}
106	}
107	}

raphw / byte-buddy / #801

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