Publish mdsal-resource OSGi services

Added Aries blueprint to advertise OSGi services.  Updated
to use release 1.0.2 version of CCSDK parent poms.

Change-Id: I92fb652b975c4fd59e173c103350934b94d190d3
Issue-ID: CCSDK-289
Signed-off-by: Timoney, Dan (dt5972) <dt5972@att.com>

4 files changed, 243 insertions, 0 deletions

diff --git a/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/ConfigResource.java b/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/ConfigResource.java
index d02530fe6..66604468e 100644
--- a/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/ConfigResource.java
+++ b/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/ConfigResource.java
@@ -22,6 +22,7 @@
 package org.onap.ccsdk.sli.adaptors.resource.mdsal;
 
 import java.util.Map;
+import java.util.Properties;
 
 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
@@ -37,6 +38,20 @@ public class ConfigResource implements SvcLogicResource {
 
     private RestService restService;
 
+    public ConfigResource(MdsalResourcePropertiesProvider propProvider) {
+    	LOG.info("Loading ConfigResource using property provider");
+    	Properties props = propProvider.getProperties();
+
+        String sdncUser = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-user", "admin");
+        String sdncPasswd = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-passwd", "admin");
+        String sdncHost = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-host", "localhost");
+        String sdncProtocol = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-protocol", "https");
+        String sdncPort = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-port", "8443");
+
+        restService = new RestService(sdncProtocol, sdncHost, sdncPort, sdncUser, sdncPasswd, RestService.PayloadType.XML);
+
+    }
+    
     public ConfigResource(String sdncProtocol, String sdncHost, String sdncPort, String sdncUser, String sdncPasswd)
     {
         restService = new RestService(sdncProtocol, sdncHost, sdncPort, sdncUser, sdncPasswd, RestService.PayloadType.XML);
diff --git a/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/MdsalResourcePropertiesProvider.java b/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/MdsalResourcePropertiesProvider.java
new file mode 100755
index 000000000..e433a4c13
--- /dev/null
+++ b/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/MdsalResourcePropertiesProvider.java
@@ -0,0 +1,28 @@
+/*-
+ * ============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.adaptors.resource.mdsal;
+
+import java.util.Properties;
+
+public interface MdsalResourcePropertiesProvider {
+
+    public Properties getProperties();
+}
diff --git a/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/MdsalResourcePropertiesProviderImpl.java b/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/MdsalResourcePropertiesProviderImpl.java
new file mode 100755
index 000000000..e9e006f17
--- /dev/null
+++ b/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/MdsalResourcePropertiesProviderImpl.java
@@ -0,0 +1,186 @@
+/*-
+ * ============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.adaptors.resource.mdsal;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Optional;
+import java.util.Properties;
+import java.util.Vector;
+
+import org.onap.ccsdk.sli.core.sli.ConfigurationException;
+import org.onap.ccsdk.sli.core.utils.JREFileResolver;
+import org.onap.ccsdk.sli.core.utils.KarafRootFileResolver;
+import org.onap.ccsdk.sli.core.utils.PropertiesFileResolver;
+import org.onap.ccsdk.sli.core.utils.common.CoreDefaultFileResolver;
+import org.onap.ccsdk.sli.core.utils.common.SdncConfigEnvVarFileResolver;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Responsible for determining the properties file to use and instantiating the
+ * <code>SqlResource</code> Service. The priority for properties file
+ * resolution is as follows:
+ *
+ * <ol>
+ * <li>A directory identified by the system environment variable
+ * <code>SDNC_CONFIG_DIR</code></li>
+ * <li>The default directory <code>DEFAULT_DBLIB_PROP_DIR</code></li>
+ * <li>A directory identified by the JRE argument
+ * <code>sql-resource.properties</code></li>
+ * <li>A <code>sql-resource.properties</code> file located in the karaf root
+ * directory</li>
+ * </ol>
+ */
+public class MdsalResourcePropertiesProviderImpl implements MdsalResourcePropertiesProvider {
+
+    private static final Logger LOG = LoggerFactory.getLogger(MdsalResourcePropertiesProviderImpl.class);
+
+    /**
+     * The name of the properties file for database configuration
+     */
+    private static final String MDSALRESOURCE_PROP_FILE_NAME = "mdsal-resource.properties";
+
+    /**
+     * A prioritized list of strategies for resolving sql-resource properties files.
+     */
+    private Vector<PropertiesFileResolver> mdsalResourcePropertiesFileResolvers = new Vector<>();
+
+    /**
+     * The configuration properties for the db connection.
+     */
+    private Properties properties;
+
+    /**
+     * Set up the prioritized list of strategies for resolving dblib properties
+     * files.
+     */
+    public MdsalResourcePropertiesProviderImpl() {
+        mdsalResourcePropertiesFileResolvers
+                .add(new SdncConfigEnvVarFileResolver("Using property file (1) from environment variable"));
+        mdsalResourcePropertiesFileResolvers.add(new CoreDefaultFileResolver("Using property file (2) from default directory"));
+
+        mdsalResourcePropertiesFileResolvers.add(
+                new JREFileResolver("Using property file (3) from JRE argument", MdsalResourcePropertiesProviderImpl.class));
+        mdsalResourcePropertiesFileResolvers.add(new KarafRootFileResolver("Using property file (4) from karaf root", this));
+
+        // determines properties file as according to the priority described in the
+        // class header comment
+        final File propertiesFile = determinePropertiesFile(this);
+        if (propertiesFile != null) {
+            try (FileInputStream fileInputStream = new FileInputStream(propertiesFile)) {
+                properties = new Properties();
+                properties.load(fileInputStream);
+            } catch (final IOException e) {
+                LOG.error("Failed to load properties for file: {}", propertiesFile.toString(),
+                        new ConfigurationException("Failed to load properties for file: " + propertiesFile.toString(),
+                                e));
+            }
+        } else {
+            // Try to read properties as resource
+
+            InputStream propStr = getClass().getResourceAsStream("/" + MDSALRESOURCE_PROP_FILE_NAME);
+            if (propStr != null) {
+                properties = new Properties();
+                try {
+                    properties.load(propStr);
+                    propStr.close();
+                } catch (IOException e) {
+                    properties = null;
+                }
+            }
+
+        }
+
+        if (properties == null) {
+            reportFailure("Missing configuration properties resource(3)", new ConfigurationException(
+                    "Missing configuration properties resource(3): " + MDSALRESOURCE_PROP_FILE_NAME));
+        }
+    }
+
+    /**
+     * Extract svclogic config properties.
+     *
+     * @return the svclogic config properties
+     */
+    public Properties getProperties() {
+        return properties;
+    }
+
+    /**
+     * Reports the method chosen for properties resolution to the
+     * <code>Logger</code>.
+     *
+     * @param message
+     *            Some user friendly message
+     * @param fileOptional
+     *            The file location of the chosen properties file
+     * @return the file location of the chosen properties file
+     */
+    private static File reportSuccess(final String message, final Optional<File> fileOptional) {
+        if (fileOptional.isPresent()) {
+            final File file = fileOptional.get();
+            LOG.info("{} {}", message, file.getPath());
+            return file;
+        }
+        return null;
+    }
+
+    /**
+     * Reports fatal errors. This is the case in which no properties file could be
+     * found.
+     *
+     * @param message
+     *            An appropriate fatal error message
+     * @param configurationException
+     *            An exception describing what went wrong during resolution
+     */
+    private static void reportFailure(final String message, final ConfigurationException configurationException) {
+
+        LOG.error("{}", message, configurationException);
+    }
+
+    /**
+     * Determines the sql-resource properties file to use based on the following priority:
+     * <ol>
+     * <li>A directory identified by the system environment variable
+     * <code>SDNC_CONFIG_DIR</code></li>
+     * <li>The default directory <code>DEFAULT_DBLIB_PROP_DIR</code></li>
+     * <li>A directory identified by the JRE argument
+     * <code>mdsal-resource.properties</code></li>
+     * <li>A <code>sql-resource.properties</code> file located in the karaf root
+     * directory</li>
+     * </ol>
+     */
+    File determinePropertiesFile(final MdsalResourcePropertiesProviderImpl resourceProvider) {
+
+        for (final PropertiesFileResolver sliPropertiesFileResolver : mdsalResourcePropertiesFileResolvers) {
+            final Optional<File> fileOptional = sliPropertiesFileResolver.resolveFile(MDSALRESOURCE_PROP_FILE_NAME);
+            if (fileOptional.isPresent()) {
+                return reportSuccess(sliPropertiesFileResolver.getSuccessfulResolutionMessage(), fileOptional);
+            }
+        }
+
+        return null;
+    }
+}
diff --git a/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/OperationalResource.java b/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/OperationalResource.java
index 63fe8c6ad..7cd8a80a7 100644
--- a/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/OperationalResource.java
+++ b/mdsal-resource/provider/src/main/java/org/onap/ccsdk/sli/adaptors/resource/mdsal/OperationalResource.java
@@ -22,6 +22,7 @@
 package org.onap.ccsdk.sli.adaptors.resource.mdsal;
 
 import java.util.Map;
+import java.util.Properties;
 
 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
@@ -37,6 +38,19 @@ public class OperationalResource implements SvcLogicResource {
 
     private RestService restService;
 
+    public OperationalResource(MdsalResourcePropertiesProvider propProvider) {
+    	Properties props = propProvider.getProperties();
+
+        String sdncUser = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-user", "admin");
+        String sdncPasswd = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-passwd", "admin");
+        String sdncHost = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-host", "localhost");
+        String sdncProtocol = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-protocol", "https");
+        String sdncPort = props.getProperty("org.onap.ccsdk.sli.adaptors.resource.mdsal.sdnc-port", "8443");
+
+        restService = new RestService(sdncProtocol, sdncHost, sdncPort, sdncUser, sdncPasswd, RestService.PayloadType.XML);
+
+    }
+    
     public OperationalResource(String sdncProtocol, String sdncHost, String sdncPort, String sdncUser, String sdncPasswd)
     {
         restService = new RestService(sdncProtocol, sdncHost, sdncPort, sdncUser, sdncPasswd, RestService.PayloadType.XML);