switch to archetype-catalog dep

As we really just provide helper class to implement
org.apache.maven.archetype.source.ArchetypeDataSource
diff --git a/indexer-core/pom.xml b/indexer-core/pom.xml
index adde18b..9f8597b 100644
--- a/indexer-core/pom.xml
+++ b/indexer-core/pom.xml
@@ -132,7 +132,7 @@
     <!-- Using org.apache.maven.archetype.source.ArchetypeDataSource from it only -->
     <dependency>
       <groupId>org.apache.maven.archetype</groupId>
-      <artifactId>archetype-common</artifactId>
+      <artifactId>archetype-catalog</artifactId>
       <optional>true</optional>
     </dependency>
 
diff --git a/indexer-core/src/main/java/org/apache/maven/index/archetype/AbstractArchetypeDataSource.java b/indexer-core/src/main/java/org/apache/maven/index/archetype/AbstractArchetypeDataSource.java
index f3f7bd5..d71f446 100644
--- a/indexer-core/src/main/java/org/apache/maven/index/archetype/AbstractArchetypeDataSource.java
+++ b/indexer-core/src/main/java/org/apache/maven/index/archetype/AbstractArchetypeDataSource.java
@@ -19,17 +19,16 @@
  * under the License.
  */
 
-import javax.inject.Inject;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Properties;
 
+import javax.inject.Inject;
+
 import org.apache.lucene.search.Query;
 import org.apache.maven.archetype.catalog.Archetype;
 import org.apache.maven.archetype.catalog.ArchetypeCatalog;
-import org.apache.maven.archetype.source.ArchetypeDataSource;
-import org.apache.maven.archetype.source.ArchetypeDataSourceException;
 import org.apache.maven.index.ArtifactInfo;
 import org.apache.maven.index.FlatSearchRequest;
 import org.apache.maven.index.FlatSearchResponse;
@@ -40,8 +39,11 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+/**
+ * Support class to implement {@code org.apache.maven.archetype.source.ArchetypeDataSource} interface. Extend this class
+ * to suit your needs.
+ */
 public abstract class AbstractArchetypeDataSource
-    implements ArchetypeDataSource
 {
 
     private final Logger logger = LoggerFactory.getLogger( getClass() );
@@ -61,7 +63,6 @@
     }
 
     public ArchetypeCatalog getArchetypeCatalog( final Properties properties )
-        throws ArchetypeDataSourceException
     {
         final ArchetypeCatalog catalog = new ArchetypeCatalog();
         try
diff --git a/indexer-core/src/main/java/org/apache/maven/index/archetype/NexusArchetypeDataSource.java b/indexer-core/src/main/java/org/apache/maven/index/archetype/NexusArchetypeDataSource.java
deleted file mode 100644
index de1285e..0000000
--- a/indexer-core/src/main/java/org/apache/maven/index/archetype/NexusArchetypeDataSource.java
+++ /dev/null
@@ -1,61 +0,0 @@
-package org.apache.maven.index.archetype;
-
-/*
- * 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 javax.inject.Inject;
-import javax.inject.Named;
-import javax.inject.Singleton;
-import java.util.ArrayList;
-import java.util.List;
-
-import org.apache.maven.index.Indexer;
-import org.apache.maven.index.NexusIndexer;
-import org.apache.maven.index.context.IndexingContext;
-
-/**
- * Nexus Archetype Data Source.
- * 
- * @author Eugene Kuleshov
- * @deprecated Extend {@link AbstractArchetypeDataSource} instead, and make it suit your case.
- */
-@Deprecated
-@Named("nexus")
-@Singleton
-public class NexusArchetypeDataSource
-    extends AbstractArchetypeDataSource
-{
-
-    private final NexusIndexer nexusIndexer;
-
-
-    @Inject
-    public NexusArchetypeDataSource( Indexer indexer,
-                                     NexusIndexer nexusIndexer )
-    {
-        super( indexer );
-        this.nexusIndexer = nexusIndexer;
-    }
-
-    @Override
-    protected List<IndexingContext> getIndexingContexts()
-    {
-        return new ArrayList<>( nexusIndexer.getIndexingContexts().values() );
-    }
-}
diff --git a/indexer-core/src/test/java/org/apache/maven/index/archetype/NexusArchetypeDataSourceTest.java b/indexer-core/src/test/java/org/apache/maven/index/archetype/NexusArchetypeDataSourceTest.java
deleted file mode 100644
index 4164f3a..0000000
--- a/indexer-core/src/test/java/org/apache/maven/index/archetype/NexusArchetypeDataSourceTest.java
+++ /dev/null
@@ -1,98 +0,0 @@
-package org.apache.maven.index.archetype;
-
-/*
- * 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 org.apache.lucene.store.Directory;
-import org.apache.lucene.store.FSDirectory;
-import org.apache.lucene.store.RAMDirectory;
-import org.apache.maven.archetype.catalog.ArchetypeCatalog;
-import org.apache.maven.archetype.source.ArchetypeDataSource;
-import org.apache.maven.index.AbstractIndexCreatorHelper;
-import org.apache.maven.index.NexusIndexer;
-import org.apache.maven.index.context.IndexingContext;
-import org.apache.maven.index.context.UnsupportedExistingLuceneIndexException;
-
-public class NexusArchetypeDataSourceTest
-    extends AbstractIndexCreatorHelper
-{
-    private IndexingContext context;
-
-    private NexusIndexer nexusIndexer;
-
-    // private IndexUpdater indexUpdater;
-
-    private NexusArchetypeDataSource nexusArchetypeDataSource;
-
-    protected void setUp()
-        throws Exception
-    {
-        super.setUp();
-
-        prepare( true );
-    }
-
-    private void prepare( boolean inRam )
-        throws Exception, IOException, UnsupportedExistingLuceneIndexException
-    {
-        nexusIndexer = lookup( NexusIndexer.class );
-
-        // indexUpdater = lookup( IndexUpdater.class );
-
-        Directory indexDir = null;
-
-        if ( inRam )
-        {
-            indexDir = new RAMDirectory();
-        }
-        else
-        {
-            File indexDirFile = super.getDirectory( "index/test" );
-
-            super.deleteDirectory( indexDirFile );
-
-            indexDir = FSDirectory.open( indexDirFile.toPath() );
-        }
-
-        File repo = new File( getBasedir(), "src/test/repo" );
-
-        context =
-            nexusIndexer.addIndexingContext( "test", "public", repo, indexDir,
-                "http://repository.sonatype.org/content/groups/public/", null, DEFAULT_CREATORS );
-        nexusIndexer.scan( context );
-
-        // to update, uncomment this
-        // IndexUpdateRequest updateRequest = new IndexUpdateRequest( context );
-        // indexUpdater.fetchAndUpdateIndex( updateRequest );
-
-        nexusArchetypeDataSource = (NexusArchetypeDataSource) lookup( ArchetypeDataSource.class, "nexus" );
-    }
-
-    public void testArchetype()
-        throws Exception
-    {
-        ArchetypeCatalog catalog = nexusArchetypeDataSource.getArchetypeCatalog( null );
-
-        assertEquals( "Not correct numbers of archetypes in catalog!", 4, catalog.getArchetypes().size() );
-    }
-
-}
diff --git a/pom.xml b/pom.xml
index 0118b7b..1ee9394 100644
--- a/pom.xml
+++ b/pom.xml
@@ -257,69 +257,11 @@
         <version>${wagon.version}</version>
       </dependency>
 
-      <!-- Using org.apache.maven.archetype.source.ArchetypeDataSource from it only -->
+      <!-- For org.apache.maven.archetype.source.ArchetypeDataSource helper -->
       <dependency>
         <groupId>org.apache.maven.archetype</groupId>
-        <artifactId>archetype-common</artifactId>
+        <artifactId>archetype-catalog</artifactId>
         <version>${archetype.version}</version>
-        <exclusions>
-          <exclusion>
-            <groupId>org.apache.maven.archetype</groupId>
-            <artifactId>archetype-registry</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>jdom</groupId>
-            <artifactId>jdom</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>org.codehaus.plexus</groupId>
-            <artifactId>plexus-container-default</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>org.codehaus.plexus</groupId>
-            <artifactId>plexus-velocity</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>net.sourceforge.jchardet</groupId>
-            <artifactId>jchardet</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>org.apache.maven</groupId>
-            <artifactId>maven-model</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>org.codehaus.plexus</groupId>
-            <artifactId>plexus-utils</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>org.apache.maven.archetype</groupId>
-            <artifactId>archetype-descriptor</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>org.apache.velocity</groupId>
-            <artifactId>velocity</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>dom4j</groupId>
-            <artifactId>dom4j</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>org.apache.maven.shared</groupId>
-            <artifactId>maven-invoker</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>org.codehaus.plexus</groupId>
-            <artifactId>plexus-component-annotations</artifactId>
-          </exclusion>
-          <exclusion>
-            <groupId>org.apache.maven</groupId>
-            <artifactId>maven-project</artifactId>
-          </exclusion>
-        </exclusions>
       </dependency>
 
       <!-- ZipFacade -->