From 8bfe67fc60003e6e6547dce7a5a3214341050ec8 Mon Sep 17 00:00:00 2001
From: Jeremy Long <jeremy.long@gmail.com>
Date: Fri, 26 Dec 2014 07:10:22 -0500
Subject: [PATCH] additional error handling, checkstyle corrections, and added
 resetFileTypeAnalyzers to enable reuse of the engine as part of resolution to
 issue #173

Former-commit-id: b964d2fd30a5520abb732a6768b9e89ba3978749
---
 .../org/owasp/dependencycheck/maven/Engine.java     | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/dependency-check-maven/src/main/java/org/owasp/dependencycheck/maven/Engine.java b/dependency-check-maven/src/main/java/org/owasp/dependencycheck/maven/Engine.java
index 2846a457c..4916af752 100644
--- a/dependency-check-maven/src/main/java/org/owasp/dependencycheck/maven/Engine.java
+++ b/dependency-check-maven/src/main/java/org/owasp/dependencycheck/maven/Engine.java
@@ -22,6 +22,7 @@ import java.util.logging.Logger;
 import org.apache.maven.project.MavenProject;
 import org.owasp.dependencycheck.analyzer.Analyzer;
 import org.owasp.dependencycheck.analyzer.CPEAnalyzer;
+import org.owasp.dependencycheck.analyzer.FileTypeAnalyzer;
 import org.owasp.dependencycheck.data.nvdcve.DatabaseException;
 import org.owasp.dependencycheck.utils.Settings;
 
@@ -58,6 +59,7 @@ public class Engine extends org.owasp.dependencycheck.Engine {
      * Creates a new Engine to perform anyalsis on dependencies.
      *
      * @param project the current Maven project
+     * @param reactorProjects the reactor projects for the current Maven execution
      * @throws DatabaseException thrown if there is an issue connecting to the database
      */
     public Engine(MavenProject project, List<MavenProject> reactorProjects) throws DatabaseException {
@@ -112,6 +114,9 @@ public class Engine extends org.owasp.dependencycheck.Engine {
     @Override
     public void cleanup() {
         super.cleanup();
+        if (currentProject == null || reactorProjects == null) {
+            return;
+        }
         if (this.currentProject == reactorProjects.get(reactorProjects.size() - 1)) {
             final CPEAnalyzer cpe = getPreviouslyLoadedCPEAnalyzer();
             if (cpe != null) {
@@ -145,7 +150,7 @@ public class Engine extends org.owasp.dependencycheck.Engine {
         CPEAnalyzer cpe = null;
         final MavenProject project = getExecutionRoot();
         if (project != null) {
-            Object obj = project.getContextValue(CPE_ANALYZER_KEY);
+            final Object obj = project.getContextValue(CPE_ANALYZER_KEY);
             if (obj != null && obj instanceof CPEAnalyzer) {
                 cpe = (CPEAnalyzer) project.getContextValue(CPE_ANALYZER_KEY);
             }
@@ -189,4 +194,10 @@ public class Engine extends org.owasp.dependencycheck.Engine {
         }
         return p;
     }
+
+    public void resetFileTypeAnalyzers() {
+        for (FileTypeAnalyzer a : getFileTypeAnalyzers()) {
+            a.reset();
+        }
+    }
 }