diff --git a/byte-buddy-dep/src/main/java/net/bytebuddy/description/modifier/Mandate.java b/byte-buddy-dep/src/main/java/net/bytebuddy/description/modifier/Mandate.java new file mode 100644 index 00000000000..1ac9af1b3fb --- /dev/null +++ b/byte-buddy-dep/src/main/java/net/bytebuddy/description/modifier/Mandate.java @@ -0,0 +1,78 @@ +/* + * Copyright 2014 - 2020 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.description.modifier; + +import org.objectweb.asm.Opcodes; + +/** + * Indicates if a member is mandated. + */ +public enum Mandate implements ModifierContributor.ForField, ModifierContributor.ForMethod, ModifierContributor.ForParameter { + + /** + * Modifier for a non-mandated member. (The default modifier.) + */ + PLAIN(EMPTY_MASK), + + /** + * Modifier for a mandated member. + */ + MANDATED(Opcodes.ACC_MANDATED); + + /** + * The modifier mask for this mandate. + */ + private final int mask; + + /** + * Creates a new mandate state. + * + * @param mask The modifier mask for this mandate. + */ + Mandate(int mask) { + this.mask = mask; + } + + /** + * {@inheritDoc} + */ + public int getMask() { + return mask; + } + + /** + * {@inheritDoc} + */ + public int getRange() { + return Opcodes.ACC_MANDATED; + } + + /** + * {@inheritDoc} + */ + public boolean isDefault() { + return this == PLAIN; + } + + /** + * Returns {@code true} if this state is mandated. + * + * @return {@code true} if this state is mandated. + */ + public boolean isMandated() { + return this == MANDATED; + } +} diff --git a/byte-buddy-dep/src/test/java/net/bytebuddy/description/modifier/MandateTest.java b/byte-buddy-dep/src/test/java/net/bytebuddy/description/modifier/MandateTest.java new file mode 100644 index 00000000000..651cd9d4f2e --- /dev/null +++ b/byte-buddy-dep/src/test/java/net/bytebuddy/description/modifier/MandateTest.java @@ -0,0 +1,39 @@ +package net.bytebuddy.description.modifier; + +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.Parameterized; +import org.objectweb.asm.Opcodes; + +import java.util.Arrays; +import java.util.Collection; + +import static org.hamcrest.CoreMatchers.is; +import static org.hamcrest.MatcherAssert.assertThat; + +@RunWith(Parameterized.class) +public class MandateTest extends AbstractModifierContributorTest { + + private final boolean isMandated; + + public MandateTest(ModifierContributor modifierContributor, + int expectedModifier, + boolean defaultModifier, + boolean isMandated) { + super(modifierContributor, expectedModifier, defaultModifier); + this.isMandated = isMandated; + } + + @Parameterized.Parameters + public static Collection data() { + return Arrays.asList(new Object[][]{ + {Mandate.PLAIN, 0, true, false}, + {Mandate.MANDATED, Opcodes.ACC_MANDATED, false, true} + }); + } + + @Test + public void testProperties() throws Exception { + assertThat(((Mandate) modifierContributor).isMandated(), is(isMandated)); + } +}