org.apache.maven.plugin.compiler.module.ReflectModuleInfoParser Maven / Gradle / Ivy

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The Compiler Plugin is used to compile the sources of your project.

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package org.apache.maven.plugin.compiler.module;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

import java.io.File;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Set;

import org.codehaus.plexus.component.annotations.Component;

/**
 * This class is could be replaced with a Java 9 MultiRelease implementation 
 * 
 * @author Robert Scholte
 * @since 3.7.0
 */
@Component( role = ModuleInfoParser.class, hint = "reflect" )
public class ReflectModuleInfoParser implements ModuleInfoParser
{
    @Override
    public Type getType()
    {
        return Type.CLASS;
    }

    @Override
    public JavaModuleDescriptor getModuleDescriptor( File modulePath )
        throws IOException
    {
        JavaModuleDescriptor moduleDescriptor = null;
        
        try
        {
            // Use Java9 code to get moduleName, don't try to do it better with own implementation
            Class moduleFinderClass = Class.forName( "java.lang.module.ModuleFinder" );

            java.nio.file.Path path = modulePath.toPath();

            Method ofMethod = moduleFinderClass.getMethod( "of", java.nio.file.Path[].class );
            Object moduleFinderInstance = ofMethod.invoke( null, new Object[] { new java.nio.file.Path[] { path } } );

            Method findAllMethod = moduleFinderClass.getMethod( "findAll" );
            Set