Removed Checkstyle and PMD violations.

dependency-check-maven/src/main/java/org/owasp/dependencycheck/maven/BaseDependencyCheckMojo.java

@@ -30,8 +30,6 @@ import java.io.OutputStream;
 import java.util.List;
 import java.util.Locale;
 import org.apache.maven.artifact.Artifact;
-import org.apache.maven.artifact.repository.ArtifactRepository;
-import org.apache.maven.artifact.versioning.ArtifactVersion;
 import org.apache.maven.doxia.sink.Sink;
 import org.apache.maven.plugin.AbstractMojo;
 import org.apache.maven.plugin.MojoExecutionException;
@@ -50,7 +48,6 @@ import org.owasp.dependencycheck.dependency.Dependency;
 import org.owasp.dependencycheck.dependency.Identifier;
 import org.owasp.dependencycheck.dependency.Vulnerability;
 import org.owasp.dependencycheck.reporting.ReportGenerator;
-import org.owasp.dependencycheck.utils.DependencyVersion;
 import org.owasp.dependencycheck.utils.Settings;
 
 /**
@@ -81,16 +78,6 @@ public abstract class BaseDependencyCheckMojo extends AbstractMojo implements Ma
      */
     @Parameter(property = "project", required = true, readonly = true)
     private MavenProject project;
-    /**
-     * A reference to the local repository.
-     */
-    @Parameter(property = "localRepository", readonly = true)
-    private ArtifactRepository localRepository;
-    /**
-     * References to the remote repositories.
-     */
-    @Parameter(property = "project.remoteArtifactRepositories", readonly = true)
-    private List<ArtifactRepository> remoteRepositories;
     /**
      * List of Maven project of the current build
      */
@@ -434,7 +421,7 @@ public abstract class BaseDependencyCheckMojo extends AbstractMojo implements Ma
         final Object obj = current.getContextValue(getDataFileContextKey());
         if (obj != null) {
             if (obj instanceof String) {
-                File f = new File((String) obj);
+                final File f = new File((String) obj);
                 return f;
             }
         } else {
@@ -923,12 +910,10 @@ public abstract class BaseDependencyCheckMojo extends AbstractMojo implements Ma
                 file = new File(writeTo, dataFileName);
             }
             final File parent = file.getParentFile();
-            if (!parent.isDirectory()) {
+            if (!parent.isDirectory() && parent.mkdirs()) {
-                if (parent.mkdirs()) {
                 getLog().error(String.format("Directory '%s' does not exist and cannot be created; unable to write data file.",
                         parent.getAbsolutePath()));
             }
-            }
 
             OutputStream os = null;
             OutputStream bos = null;

dependency-check-maven/src/main/java/org/owasp/dependencycheck/maven/Engine.java

@@ -117,7 +117,7 @@ public class Engine extends org.owasp.dependencycheck.Engine {
      */
     @Override
     protected Analyzer initializeAnalyzer(Analyzer analyzer) {
-        if ((analyzer instanceof CPEAnalyzer)) {
+        if (analyzer instanceof CPEAnalyzer) {
             CPEAnalyzer cpe = getPreviouslyLoadedCPEAnalyzer();
             if (cpe != null && cpe.isOpen()) {
                 return cpe;
@@ -152,7 +152,7 @@ public class Engine extends org.owasp.dependencycheck.Engine {
      */
     @Override
     protected void closeAnalyzer(Analyzer analyzer) {
-        if ((analyzer instanceof CPEAnalyzer)) {
+        if (analyzer instanceof CPEAnalyzer) {
             if (getPreviouslyLoadedCPEAnalyzer() == null) {
                 super.closeAnalyzer(analyzer);
             }

dependency-check-maven/src/main/java/org/owasp/dependencycheck/maven/PurgeMojo.java

@@ -25,7 +25,6 @@ import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
 import org.apache.maven.plugins.annotations.ResolutionScope;
-import org.owasp.dependencycheck.data.nvdcve.DatabaseException;
 import org.owasp.dependencycheck.utils.Settings;
 
 /**