removed un-necassary functionality from all analyzers and the base engine

Former-commit-id: e6b97601ff24ced2a2016d03b35869d083b947db

src/main/java/org/owasp/dependencycheck/Engine.java

@@ -209,17 +209,15 @@ public class Engine {
             final List<Analyzer> analyzerList = analyzers.get(phase);
 
             for (Analyzer a : analyzerList) {
-                final Iterator<Dependency> itrDependencies = dependencies.iterator();
-                while (itrDependencies.hasNext()) {
-                    final Dependency d = itrDependencies.next();
+                //need to create a copy of the collection because some of the
+                // analyzers may modify it. This prevents ConcurrentModificationExceptions.
+                final Set<Dependency> dependencySet = new HashSet<Dependency>();
+                dependencySet.addAll(dependencies);
+                for (Dependency d : dependencySet) {
                     if (a.supportsExtension(d.getFileExtension())) {
                         try {
                             a.analyze(d, this);
-                            //the following is mainly to deal with the DependencyBundlingAnalyzer
-                            if (a.getPostAnalysisAction() == Analyzer.PostAnalysisAction.REMOVE_DEPENDENCY) {
-                                itrDependencies.remove();
-                            }
-                        } catch (AnalysisException ex) {
+                          } catch (AnalysisException ex) {
                             d.addAnalysisException(ex);
                         }
                     }

src/main/java/org/owasp/dependencycheck/analyzer/AbstractAnalyzer.java

@@ -58,13 +58,4 @@ public abstract class AbstractAnalyzer implements Analyzer {
     public void close() {
         //do nothing
     }
-
-    /**
-     * Used to indicate if any steps should be taken after the analysis. The
-     * abstract implementation returns NOTHING.
-     * @return NOTHING
-     */
-    public PostAnalysisAction getPostAnalysisAction() {
-        return PostAnalysisAction.NOTHING;
-    }
 }

src/main/java/org/owasp/dependencycheck/analyzer/Analyzer.java

@@ -99,23 +99,4 @@ public interface Analyzer {
      * @throws Exception is thrown if an exception occurs closing the analyzer.
      */
     void close() throws Exception;
-
-    /**
-     * An enumeration of Post Analysis Actions.
-     */
-    public enum PostAnalysisAction {
-        /**
-         * No action should be taken.
-         */
-        NOTHING,
-        /**
-         * The dependency should be removed from the list of dependencies scanned.
-         */
-        REMOVE_DEPENDENCY
-    }
-    /**
-     * Returns the post analysis action.
-     * @return the post analysis action
-     */
-    PostAnalysisAction getPostAnalysisAction();
 }

src/main/java/org/owasp/dependencycheck/data/cpe/CPEAnalyzer.java

@@ -512,12 +512,4 @@ public class CPEAnalyzer implements Analyzer {
     public void initialize() throws Exception {
         this.open();
     }
-    /**
-     * Used to indicate if any steps should be taken after the analysis. The
-     * abstract implementation returns NOTHING.
-     * @return NOTHING
-     */
-    public PostAnalysisAction getPostAnalysisAction() {
-        return PostAnalysisAction.NOTHING;
-    }
 }

src/main/java/org/owasp/dependencycheck/data/nvdcve/NvdCveAnalyzer.java

@@ -159,13 +159,4 @@ public class NvdCveAnalyzer implements Analyzer {
     public void initialize() throws Exception {
         this.open();
     }
-
-    /**
-     * Used to indicate if any steps should be taken after the analysis. The
-     * abstract implementation returns NOTHING.
-     * @return NOTHING
-     */
-    public PostAnalysisAction getPostAnalysisAction() {
-        return PostAnalysisAction.NOTHING;
-    }
 }