X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fgraph%2Fcomponent%2FCheckExternallyProvidedVisitor.java;h=457ae1d82942cfbba20e03bb11500ceaccacd3b0;hb=ddd261f331280640c5b53c7128230b629ebcd268;hp=b63a03b55db8ea863d375ea78eed0095a6f5f5f0;hpb=92e23e5ecf9614f2ab770a8cdedc0b21ddf1e127;p=utils

diff --git a/system/general/src/main/java/org/wamblee/system/graph/component/CheckExternallyProvidedVisitor.java b/system/general/src/main/java/org/wamblee/system/graph/component/CheckExternallyProvidedVisitor.java
index b63a03b5..457ae1d8 100644
--- a/system/general/src/main/java/org/wamblee/system/graph/component/CheckExternallyProvidedVisitor.java
+++ b/system/general/src/main/java/org/wamblee/system/graph/component/CheckExternallyProvidedVisitor.java
@@ -1,74 +1,99 @@
 /*
  * Copyright 2008 the original author or authors.
- * 
+ *
  * Licensed 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.
- */ 
+ */
 package org.wamblee.system.graph.component;
 
-import java.util.List;
-
 import org.wamblee.system.core.SystemAssemblyException;
 import org.wamblee.system.graph.Edge;
 import org.wamblee.system.graph.Graph;
 import org.wamblee.system.graph.Node;
 import org.wamblee.system.graph.Visitor;
 
+import java.util.List;
+
+
 /**
- * Visitor that checks whether all externally provided interfaces are actually provided 
- * by any of the internal components. 
- * 
- * @author Erik Brakkee
+ * Visitor that checks whether all externally provided interfaces are
+ * actually provided  by any of the internal components.
  *
+ * @author Erik Brakkee
  */
 public class CheckExternallyProvidedVisitor implements Visitor {
-    
-    private Graph graph; 
-
     /**
+     * DOCUMENT ME!
+     */
+    private Graph graph;
+
+/**
      * Constructs the visitor. 
      * @param aGraph Component graph. 
      */
-    public CheckExternallyProvidedVisitor(Graph aGraph) { 
-        graph = aGraph; 
+    public CheckExternallyProvidedVisitor(Graph aGraph) {
+        graph = aGraph;
     }
 
+    /**
+     * DOCUMENT ME!
+     *
+     * @param aEdge DOCUMENT ME!
+     */
     @Override
     public void visitEdge(Edge aEdge) {
         // Empty.
     }
 
+    /**
+     * DOCUMENT ME!
+     *
+     * @param aNode DOCUMENT ME!
+     */
     @Override
     public void visitNode(Node aNode) {
-        if ( aNode instanceof ExternalProvidedInterfaceNode) { 
-            ExternalProvidedInterfaceNode provided = (ExternalProvidedInterfaceNode) aNode; 
-            List<Edge> edges = graph.findOutgoing(provided);
-            if ( edges.size() > 2 ) { 
-                createDuplicateException("External provided interfaces has multiple internal matches", aNode, edges);
+        if (aNode instanceof ExternalProvidedInterfaceNode) {
+            ExternalProvidedInterfaceNode provided = (ExternalProvidedInterfaceNode) aNode;
+            List<Edge>                    edges    = graph
+                .findOutgoing(provided);
+
+            if (edges.size() > 2) {
+                createDuplicateException("External provided interfaces has multiple internal matches",
+                    aNode, edges);
             }
-            if ( edges.size() == 0 ) { 
-                throw new SystemAssemblyException(aNode + ": external provded interface is not provided by any of the internal components");
+
+            if (edges.size() == 0) {
+                throw new SystemAssemblyException(aNode
+                    + ": external provded interface is not provided by any of the internal components");
             }
         }
     }
-    
-    private void createDuplicateException(String aMsg, Node aNode, List<Edge> edges) {
+
+    /**
+     * DOCUMENT ME!
+     *
+     * @param aMsg DOCUMENT ME!
+     * @param aNode DOCUMENT ME!
+     * @param edges DOCUMENT ME!
+     */
+    private void createDuplicateException(String aMsg, Node aNode,
+        List<Edge> edges) {
         StringBuffer buf = new StringBuffer();
-        buf.append(aNode
-                + ": " + aMsg + ": ");
+        buf.append(aNode + ": " + aMsg + ": ");
+
         for (Edge edge : edges) {
             buf.append(edge.getTo() + "/ ");
         }
+
         throw new SystemAssemblyException(buf.toString());
     }
-
 }