Updated error reporting if data does not exist

Former-commit-id: 99047450cd010ba92e14d2dd70701b3fa38f60f1

dependency-check-core/src/main/java/org/owasp/dependencycheck/data/NoDataException.java

@@ -0,0 +1,69 @@
+/*
+ * This file is part of dependency-check-core.
+ *
+ * Dependency-check-core is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option) any
+ * later version.
+ *
+ * Dependency-check-core is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * dependency-check-core. If not, see http://www.gnu.org/licenses/.
+ *
+ * Copyright (c) 2013 Jeremy Long. All Rights Reserved.
+ */
+package org.owasp.dependencycheck.data;
+
+import java.io.IOException;
+
+/**
+ * An exception used when the data needed does not exist to perform analysis.
+ *
+ * @author Jeremy Long (jeremy.long@owasp.org)
+ */
+public class NoDataException extends IOException {
+
+    /**
+     * The serial version uid.
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Creates a new NoDataException.
+     */
+    public NoDataException() {
+        super();
+    }
+
+    /**
+     * Creates a new NoDataException.
+     *
+     * @param msg a message for the exception.
+     */
+    public NoDataException(String msg) {
+        super(msg);
+    }
+
+    /**
+     * Creates a new NoDataException.
+     *
+     * @param ex the cause of the exception.
+     */
+    public NoDataException(Throwable ex) {
+        super(ex);
+    }
+
+    /**
+     * Creates a new NoDataException.
+     *
+     * @param msg a message for the exception.
+     * @param ex the cause of the exception.
+     */
+    public NoDataException(String msg, Throwable ex) {
+        super(msg, ex);
+    }
+}