org.eclipse.edc.plugins.edcbuild.conventions.ConventionFunctions Maven / Gradle / Ivy
/*
* Copyright (c) 2022 Microsoft Corporation
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0
*
* SPDX-License-Identifier: Apache-2.0
*
* Contributors:
* Microsoft Corporation - initial API and implementation
*
*/
package org.eclipse.edc.plugins.edcbuild.conventions;
import org.gradle.api.GradleException;
import org.gradle.api.Project;
import java.util.function.Supplier;
import static java.util.Optional.ofNullable;
public class ConventionFunctions {
/**
* Supplies a generic {@link GradleException} with the given message.
*/
public static Supplier gradleException(String message) {
return () -> new GradleException(message);
}
/**
* Supplies a {@link GradleException} that has a specific message indicating that a particular extension is missing.
*/
static Supplier extensionException(Class extensionClass) {
return gradleException(extensionClass.getSimpleName() + " expected but was null");
}
public static A requireExtension(Project target, Class extensionClass) {
return ofNullable(target.getExtensions().findByType(extensionClass))
.orElseThrow(extensionException(extensionClass));
}
}