package org.apache.maven.plugins.jdeprscan;

/*
 * 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.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;

import org.apache.maven.artifact.DependencyResolutionRequiredException;
import org.apache.maven.plugins.annotations.LifecyclePhase;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.ResolutionScope;

/**
 * Scans main classes with jdeprscan tool
 * 
 * @author Robert Scholte
 * @since 3.0.0
 */
@Mojo( name = "jdeprscan", 
       requiresDependencyResolution = ResolutionScope.COMPILE,
       defaultPhase = LifecyclePhase.PROCESS_CLASSES, 
       threadSafe = true )
public class JDeprScanMojo extends BaseJDeprScanMojo
{
    @Override
    protected Path getClassesDirectory()
    {
        return Paths.get( getProject().getBuild().getOutputDirectory() );
    }
    
    @Override
    protected Collection<Path> getClassPath()
        throws DependencyResolutionRequiredException
    {
        Set<Path> classPath = new LinkedHashSet<>( getProject().getCompileClasspathElements().size() );

        for ( String elm : getProject().getCompileClasspathElements() )
        {
            classPath.add( Paths.get( elm ) );
        }

        return Collections.unmodifiableSet( classPath );
    }
}