1 files changed, 80 insertions, 0 deletions
diff --git a/utils/provider/src/main/java/org/onap/ccsdk/sli/core/utils/common/BundleContextFileResolver.java b/utils/provider/src/main/java/org/onap/ccsdk/sli/core/utils/common/BundleContextFileResolver.java
new file mode 100755
index 00000000..9496d90e
--- /dev/null
+++ b/utils/provider/src/main/java/org/onap/ccsdk/sli/core/utils/common/BundleContextFileResolver.java
@@ -0,0 +1,80 @@
+/*-
+ * ============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.common;
+
+import java.io.File;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Optional;
+
+import org.onap.ccsdk.sli.core.utils.PropertiesFileResolver;
+import org.osgi.framework.FrameworkUtil;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.Strings;
+
+/**
+ * Resolves properties files from runtime property value <code>SDNC_CONFIG_DIR</code> defined in the osgi properties.
+ */
+public class BundleContextFileResolver implements PropertiesFileResolver {
+
+    /**
+     * Key for osgi variable representing the configuration directory
+     */
+    private static final String SDNC_CONFIG_DIR_PROP_KEY = "SDNC_CONFIG_DIR";
+
+    private final String successMessage;
+    private final Class<?> clazz;
+
+    public BundleContextFileResolver(final String successMessage, final Class<?> clazz) {
+        this.successMessage = successMessage;
+        this.clazz = clazz;
+    }
+
+    /**
+     * Parse a properties file location based on JRE argument
+     *
+     * @return an Optional File containing the location if it exists, or an empty Optional
+     */
+    @Override
+    public Optional<File> resolveFile(final String filename) {
+        if(FrameworkUtil.getBundle(clazz) == null) {
+            return Optional.empty();
+        } else {
+            try {
+                final String pathProperty = FrameworkUtil.getBundle(this.clazz).getBundleContext().getProperty(SDNC_CONFIG_DIR_PROP_KEY);
+                if(Strings.isNullOrEmpty(pathProperty)) {
+                    return Optional.empty();
+                }
+                final Path dblibPath = Paths.get(pathProperty);
+                return Optional.of(dblibPath.resolve(filename).toFile());
+            } catch(final Exception e) {
+                LoggerFactory.getLogger(this.getClass()).error("", e);
+                return Optional.empty();
+            }
+        }
+    }
+
+    @Override
+    public String getSuccessfulResolutionMessage() {
+        return this.successMessage;
+    }
+}