io.sundr.maven.ReactorContextFactory Maven / Gradle / Ivy

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/*
 * Copyright 2015 The original authors.
 *
 *    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 io.sundr.maven;

import org.apache.maven.execution.MavenExecutionResult;
import org.apache.maven.lifecycle.internal.LifecycleModuleBuilder;
import org.apache.maven.lifecycle.internal.ProjectIndex;
import org.apache.maven.lifecycle.internal.ReactorBuildStatus;
import org.apache.maven.lifecycle.internal.ReactorContext;

import java.lang.reflect.Constructor;

public class ReactorContextFactory {


    private static MavenVersion VERSION_3_0_0 = new MavenVersion(3, 0, 0);
    private static MavenVersion VERSION_3_3_0 = new MavenVersion(3, 3, 0);

    private final MavenVersion version;

    public ReactorContextFactory(MavenVersion version) {
        this.version = version;
    }

    public ReactorContext create(MavenExecutionResult result, ProjectIndex index, ClassLoader classLoader, ReactorBuildStatus status, LifecycleModuleBuilder builder) {
        ReactorContext context;
        if (VERSION_3_0_0.compareTo(version) < 0) {
            throw new UnsupportedOperationException("ReactorContext is not supported in maven version:" + version);
        } else if (VERSION_3_3_0.compareTo(version) < 0) {
            context = create_3_2_x(result, index, classLoader, status);
        } else {
            context = create_3_3_x(result, index, classLoader, status, builder);
        }

        if (context == null) {
            throw new IllegalStateException("Unable to create ReactorContext");
        }
        return context;
    }

    private static ReactorContext create_3_2_x(MavenExecutionResult result, ProjectIndex index, ClassLoader classLoader, ReactorBuildStatus status) {
        try {
            Constructor constructor = ReactorContext.class.getDeclaredConstructor(MavenExecutionResult.class, ProjectIndex.class, ClassLoader.class, ReactorBuildStatus.class);
            return constructor.newInstance(result, index, classLoader, status);
        } catch (NoSuchMethodException e) {
            return null;
        } catch (Throwable t) {
            throw new RuntimeException("Could not create ReactorContext.", t);
        }
    }

    private static ReactorContext create_3_3_x(MavenExecutionResult result, ProjectIndex index, ClassLoader classLoader, ReactorBuildStatus status, LifecycleModuleBuilder builder) {
        try {
            Constructor constructor = (Constructor) ReactorContext.class.getDeclaredConstructors()[0];
            return constructor.newInstance(result, index, classLoader, status, Reflections.getMemento(builder));
        } catch (Throwable t) {
            throw new RuntimeException("Could not create ReactorContext.", t);
        }
    }

}