1 files changed, 63 insertions, 0 deletions
diff --git a/utils/provider/src/main/java/org/onap/ccsdk/sli/core/utils/KarafRootFileResolver.java b/utils/provider/src/main/java/org/onap/ccsdk/sli/core/utils/KarafRootFileResolver.java
new file mode 100644
index 00000000..0cb75450
--- /dev/null
+++ b/utils/provider/src/main/java/org/onap/ccsdk/sli/core/utils/KarafRootFileResolver.java
@@ -0,0 +1,63 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * onap
+ * ================================================================================
+ * Copyright (C) 2016 - 2017 ONAP
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.ccsdk.sli.core.utils;
+
+import java.io.File;
+import java.net.URL;
+import java.util.Optional;
+
+/**
+ * Resolves dblib properties files relative to the karaf root directory.
+ */
+public class KarafRootFileResolver implements PropertiesFileResolver {
+
+    final Object provider;
+
+    private final String successMessage;
+
+    public KarafRootFileResolver(final String successMessage, final Object provider) {
+        this.successMessage = successMessage;
+        this.provider = provider;
+    }
+
+    /**
+     * Parse a properties file location relative to the karaf root
+     *
+     * @return an Optional File containing the location if it exists, or an empty Optional
+     */
+    @Override
+    public Optional<File> resolveFile(final String filename) {
+        final URL fromKarafRoot = provider.getClass().getResource(filename);
+        if (fromKarafRoot != null) {
+            final File propertiesFile = new File(fromKarafRoot.getFile());
+            if (propertiesFile.exists()) {
+                return Optional.of(propertiesFile);
+            }
+            return Optional.empty();
+        }
+        return Optional.empty();
+    }
+
+    @Override
+    public String getSuccessfulResolutionMessage() {
+        return this.successMessage;
+    }
+}