package com.slackworks.naether.aether;

import java.io.File;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sonatype.aether.collection.DependencyCollectionContext;
import org.sonatype.aether.collection.DependencySelector;
import org.sonatype.aether.graph.Dependency;

public class ValidSystemScopeDependencySelector implements DependencySelector {

	//private static Logger log = LoggerFactory.getLogger(ValidSystemScopeDependencySelector.class);
	private static final String SYSTEM_SCOPE = "system";
	
	public boolean selectDependency(Dependency dependency) {
		if ( SYSTEM_SCOPE.equals( dependency.getScope() ) ) {
			String localPath = dependency.getArtifact().getProperties().get( "localPath" );
			if ( localPath == null || !(new File( localPath )).exists() ) {
				return false;
			}
		}
		
		return true;
	}

	public DependencySelector deriveChildSelector( DependencyCollectionContext context) {
		return this;
	}

}

@@ -33,16 +33,817 @@
 ether;%0A%0A
+/**%0A * Licensed to the Apache Software Foundation (ASF) under one%0A * or more contributor license agreements. See the NOTICE file%0A * distributed with this work for additional information%0A * regarding copyright ownership. The ASF licenses this file%0A * to you under the Apache License, Version 2.0 (the%0A * %22License%22); you may not use this file except in compliance%0A * with the License. You may obtain a copy of the License at%0A *%0A * http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A%0A
 import j
@@ -1084,16 +1084,234 @@
 dency;%0A%0A
+/**%0A * %7B@link DependencySelector%7D that checks the existence of system scoped %0A * dependencie's systemPath. If it does not exist on the file system, the %0A * dependency is excluded. %0A * %0A * @author Michael Guymon%0A *%0A */%0A
 public c

add license and javadoc