Add a flag to turn edge labels on and off.

src/main/java/org/kuali/maven/plugins/graph/dot/EdgeGenerator.java

@@ -18,6 +18,7 @@
 import java.util.ArrayList;
 
 import org.kuali.maven.plugins.graph.pojo.Edge;
+import org.kuali.maven.plugins.graph.pojo.GraphDescriptor;
 import org.kuali.maven.plugins.graph.pojo.GraphNode;
 import org.kuali.maven.plugins.graph.pojo.MavenContext;
 import org.kuali.maven.plugins.graph.pojo.Scope;
@@ -36,6 +37,11 @@
 public class EdgeGenerator {
     StyleProcessor sp = new StyleProcessor();
     Counter counter = new Counter(1);
+    Boolean showEdgeLabels;
+
+    public EdgeGenerator(GraphDescriptor gd) {
+        this.showEdgeLabels = gd.getShowEdgeLabels();
+    }
 
     /**
      * <p>
@@ -103,7 +109,11 @@ public Edge getStyledEdge(GraphNode parent, GraphNode child, boolean optional, S
         Edge edge = new Edge(parent, child);
         edge.setId(id);
         sp.copyStyleProperties(edge, style);
-        edge.setLabel(label);
+
+        if (!Boolean.FALSE.equals(showEdgeLabels)) {
+            edge.setLabel(label);
+        }
+
         return edge;
     }
 }

src/main/java/org/kuali/maven/plugins/graph/mojo/BaseGraphMojo.java

@@ -143,6 +143,15 @@ public abstract class BaseGraphMojo extends BaseMavenMojo {
      */
     private boolean showDuplicates;
 
+    /**
+     * <p>
+     * Show labels on the graph edges.
+     * </p>
+     *
+     *  @parameter expression="${graph.showEdgeLabels}" default-value="true"
+     */
+    private boolean showEdgeLabels = true;
+
     /**
      * <p>
      * Determines how conflicts in the dependency tree are displayed. Valid options are <code>IGNORE</code>,
@@ -363,4 +372,11 @@ public void setShowTypes(boolean showTypes) {
         this.showTypes = showTypes;
     }
 
+    public boolean isShowEdgeLabels() {
+        return showEdgeLabels;
+    }
+
+    public void setShowEdgeLabels(boolean showEdgeLabels) {
+        this.showEdgeLabels = showEdgeLabels;
+    }
 }

src/main/java/org/kuali/maven/plugins/graph/mojo/MojoHelper.java

@@ -473,7 +473,7 @@ protected List<? extends Processor> getEdgeProcessors(GraphDescriptor gd) {
         Processor conflictsProcessor = new HideConflictsProcessor(gd);
         switch (gd.getLayout()) {
         case LINKED:
-            processors.add(new LinkedEdgeProcessor());
+            processors.add(new LinkedEdgeProcessor(gd));
             if (conflicts == Conflicts.LABEL) {
                 logger.debug("labeling conflicts");
                 processors.add(new ReduceClutterProcessor());
@@ -488,7 +488,7 @@ protected List<? extends Processor> getEdgeProcessors(GraphDescriptor gd) {
             }
             return processors;
         case FLAT:
-            processors.add(new FlatEdgeProcessor());
+            processors.add(new FlatEdgeProcessor(gd));
             if (conflicts == Conflicts.LABEL) {
                 logger.debug("labeling conflicts");
                 processors.add(conflictsProcessor);

src/main/java/org/kuali/maven/plugins/graph/pojo/GraphDescriptor.java

@@ -36,6 +36,7 @@ public class GraphDescriptor {
     Boolean showTypes;
     Boolean showClassifiers;
     Boolean showDuplicates;
+    Boolean showEdgeLabels;
     Conflicts conflicts;
     Boolean cascadeOptional;
     Boolean showLegend;
@@ -328,4 +329,11 @@ public void setShowClassifiers(Boolean showClassifiers) {
         this.showClassifiers = showClassifiers;
     }
 
+    public Boolean getShowEdgeLabels() {
+        return showEdgeLabels;
+    }
+
+    public void setShowEdgeLabels(Boolean showEdgeLabels) {
+        this.showEdgeLabels = showEdgeLabels;
+    }
 }

src/main/java/org/kuali/maven/plugins/graph/processor/FlatEdgeProcessor.java

@@ -17,11 +17,16 @@
 
 import org.kuali.maven.plugins.graph.dot.EdgeGenerator;
 import org.kuali.maven.plugins.graph.pojo.Edge;
+import org.kuali.maven.plugins.graph.pojo.GraphDescriptor;
 import org.kuali.maven.plugins.graph.pojo.MavenContext;
 import org.kuali.maven.plugins.graph.tree.Node;
 
 public class FlatEdgeProcessor implements Processor {
-    EdgeGenerator generator = new EdgeGenerator();
+    EdgeGenerator generator;
+
+    public FlatEdgeProcessor(GraphDescriptor gd) {
+        generator = new EdgeGenerator(gd);
+    }
 
     @Override
     public void process(Node<MavenContext> node) {

src/main/java/org/kuali/maven/plugins/graph/processor/HideConflictsProcessor.java

@@ -28,16 +28,13 @@
 
 public class HideConflictsProcessor implements Processor {
     TreeHelper helper = new TreeHelper();
-    EdgeGenerator generator = new EdgeGenerator();
+    EdgeGenerator generator;
     GraphDescriptor descriptor;
 
-    public HideConflictsProcessor() {
-        this(null);
-    }
-
     public HideConflictsProcessor(GraphDescriptor descriptor) {
         super();
         this.descriptor = descriptor;
+        this.generator = new EdgeGenerator(descriptor);
     }
 
     @Override

src/main/java/org/kuali/maven/plugins/graph/processor/LinkedEdgeProcessor.java

@@ -17,6 +17,7 @@
 
 import org.kuali.maven.plugins.graph.dot.EdgeGenerator;
 import org.kuali.maven.plugins.graph.pojo.Edge;
+import org.kuali.maven.plugins.graph.pojo.GraphDescriptor;
 import org.kuali.maven.plugins.graph.pojo.GraphNode;
 import org.kuali.maven.plugins.graph.pojo.MavenContext;
 import org.kuali.maven.plugins.graph.pojo.Scope;
@@ -29,7 +30,11 @@
 public class LinkedEdgeProcessor implements Processor {
     private static final Logger logger = LoggerFactory.getLogger(LinkedEdgeProcessor.class);
     public static final String REPLACEMENT_LABEL = "replacement";
-    EdgeGenerator generator = new EdgeGenerator();
+    EdgeGenerator generator;
+
+    public LinkedEdgeProcessor(GraphDescriptor gd) {
+        generator = new EdgeGenerator(gd);
+    }
 
     @Override
     public void process(Node<MavenContext> node) {