The ProGuard mojo must accept include/exclude filters to avoid class …

…files conflicts between Maven repo classes and ./target/classes directory classes

src/main/java/com/simpligility/maven/plugins/android/phase04processclasses/ProguardMojo.java

@@ -4,6 +4,7 @@
 import com.simpligility.maven.plugins.android.AbstractAndroidMojo;
 import com.simpligility.maven.plugins.android.CommandExecutor;
 import com.simpligility.maven.plugins.android.ExecutionException;
+import com.simpligility.maven.plugins.android.IncludeExcludeSet;
 import com.simpligility.maven.plugins.android.config.ConfigHandler;
 import com.simpligility.maven.plugins.android.config.ConfigPojo;
 import com.simpligility.maven.plugins.android.config.PullParameter;
@@ -32,6 +33,7 @@
 import java.util.LinkedList;
 import java.util.List;
 
+import static com.simpligility.maven.plugins.android.InclusionExclusionResolver.filterArtifacts;
 import static com.simpligility.maven.plugins.android.common.AndroidExtension.AAR;
 
 /**
@@ -235,6 +237,54 @@ public class ProguardMojo extends AbstractAndroidMojo
     @Parameter( defaultValue = "${plugin.artifacts}", required = true, readonly = true )
     protected List< Artifact > pluginDependencies;
 
+    /**
+     * Skips transitive dependencies. May be useful if the target classes directory is populated with the
+     * {@code maven-dependency-plugin} and already contains all dependency classes.
+     */
+    @Parameter( property = "skipDependencies", defaultValue = "false" )
+    private boolean skipDependencies;
+
+    /**
+     * Allows to include or exclude artifacts by type. The {@code include} parameter has higher priority than the
+     * {@code exclude} parameter. These two parameters can be overridden by the {@code artifactSet} parameter. Empty
+     * strings are ignored. Example:
+     * <pre>
+     *     &lt;artifactTypeSet&gt;
+     *         &lt;includes&gt;
+     *             &lt;include&gt;aar&lt;/include&gt;
+     *         &lt;includes&gt;
+     *         &lt;excludes&gt;
+     *             &lt;exclude&gt;jar&lt;/exclude&gt;
+     *         &lt;excludes&gt;
+     *     &lt;/artifactTypeSet&gt;
+     * </pre>
+     */
+    @Parameter( property = "artifactTypeSet" )
+    private IncludeExcludeSet artifactTypeSet;
+
+    /**
+     * Allows to include or exclude artifacts by {@code groupId}, {@code artifactId}, and {@code versionId}. The
+     * {@code include} parameter has higher priority than the {@code exclude} parameter. These two parameters can
+     * override the {@code artifactTypeSet} and {@code skipDependencies} parameters. Artifact {@code groupId},
+     * {@code artifactId}, and {@code versionId} are specified by a string with the respective values separated using
+     * a colon character {@code :}. {@code artifactId} and {@code versionId} can be optional covering an artifact
+     * range. Empty strings are ignored. Example:
+     * <pre>
+     *     &lt;artifactTypeSet&gt;
+     *         &lt;includes&gt;
+     *             &lt;include&gt;foo-group:foo-artifact:1.0-SNAPSHOT&lt;/include&gt;
+     *             &lt;include&gt;bar-group:bar-artifact:1.0-SNAPSHOT&lt;/include&gt;
+     *             &lt;include&gt;baz-group:*&lt;/include&gt;
+     *         &lt;includes&gt;
+     *         &lt;excludes&gt;
+     *             &lt;exclude&gt;qux-group:qux-artifact:*&lt;/exclude&gt;
+     *         &lt;excludes&gt;
+     *     &lt;/artifactTypeSet&gt;
+     * </pre>
+     */
+    @Parameter( property = "artifactSet" )
+    private IncludeExcludeSet artifactSet;
+
     private static final Collection< String > ANDROID_LIBRARY_EXCLUDED_FILTER = Arrays
         .asList( "org/xml/**", "org/w3c/**", "java/**", "javax/**" );
 
@@ -596,7 +646,9 @@ private List< ProGuardInput > getProjectDependencyFiles()
         }
 
         // we then add all its dependencies (incl. transitive ones), unless they're blacklisted
-        for ( Artifact artifact : getTransitiveDependencyArtifacts() )
+        for ( Artifact artifact : filterArtifacts( getTransitiveDependencyArtifacts(), skipDependencies,
+                    artifactTypeSet.getIncludes(), artifactTypeSet.getExcludes(), artifactSet.getIncludes(),
+                    artifactSet.getExcludes() ) )
         {
             if ( isBlacklistedArtifact( artifact ) )
             {