1 files changed, 223 insertions, 0 deletions
diff --git a/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/Dme2PropertiesProvider.java b/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/Dme2PropertiesProvider.java
new file mode 100644
index 00000000..51961491
--- /dev/null
+++ b/sliPluginUtils/provider/src/main/java/org/onap/ccsdk/sli/core/slipluginutils/Dme2PropertiesProvider.java
@@ -0,0 +1,223 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : CCSDK
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights
+ * 						reserved.
+ * ================================================================================
+ * 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.slipluginutils;
+
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Strings;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Optional;
+import java.util.Properties;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Immutable properties container for dme2 properties.  Since the initial design decision was made to
+ * utilize <code>Properties</code> instead of an OSGi <code>ManagedService</code>, it was decided
+ * to make these properties immutable.
+ */
+public final class Dme2PropertiesProvider {
+
+    private static final Logger LOG = LoggerFactory.getLogger(Dme2PropertiesProvider.class);
+
+    /**
+     * The name of the environment variable to specify the configuration directory.
+     */
+    private static final String SDNC_ROOT_DIR_ENV_VAR_KEY = "SDNC_CONFIG_DIR";
+
+    /**
+     * the dme2 properties file name.
+     */
+    private static final String DME2_PROPERTIES_FILE_NAME = "dme2.properties";
+
+    /**
+     * the key for <code>proxyUrl</code>, which represents a CSV list of urls
+     */
+    static final String PROXY_URL_KEY = "proxyUrl";
+
+    /**
+     * indicates that proxy urls are separated by commas
+     */
+    private static final String PROXY_URLS_VALUE_SEPARATOR = ",";
+
+    /**
+     * the key for <code>aafUsername</code>
+     */
+    static final String AAF_USERNAME_KEY = "aafUsername";
+
+    /**
+     * the key for <code>aafPassword</code>
+     */
+    static final String AAF_PASSWORD_KEY = "aafPassword";
+
+    /**
+     * the key for <code>envContext</code>
+     */
+    static final String ENV_CONTEXT_KEY = "envContext";
+
+    /**
+     * the key for <code>routeOffer</code>
+     */
+    static final String ROUTE_OFFER_KEY = "routeOffer";
+
+    /**
+     * the key for <code>commonServiceVersion</code>
+     */
+    static final String COMMON_SERVICE_VERSION_KEY = "commonServiceVersion";
+
+    /**
+     * the key for <code>partner</code>
+     */
+    static final String PARTNER_KEY = "partner";
+
+    private Optional<String []> proxyUrls = Optional.empty();
+
+    private Optional<String> aafUsername = Optional.empty();
+
+    private Optional<String> aafPassword = Optional.empty();
+
+    private Optional<String> envContext = Optional.empty();
+
+    private Optional<String> routeOffer = Optional.empty();
+
+    private Optional<String> commonServiceVersion = Optional.empty();
+
+    private Optional<String> partner = Optional.empty();
+
+
+    /**
+     * Instantiates the properties provider, which involves loading the appropriate properties for dme2.
+     */
+    public Dme2PropertiesProvider() {
+        this(getDme2Path(SDNC_ROOT_DIR_ENV_VAR_KEY, DME2_PROPERTIES_FILE_NAME).toString());
+    }
+
+    /**
+     * Instantiates the properties provider, which involves loading the appropriate properties for dme2.
+     *
+     * @param dme2Path location of the dme2.properties file
+     */
+    @VisibleForTesting
+    Dme2PropertiesProvider(final String dme2Path) {
+        final Properties properties;
+        try {
+            properties = getProperties(dme2Path);
+            this.proxyUrls = getProxyUrls(properties);
+            this.aafUsername = getAafUsername(properties);
+            this.aafPassword = getAafPassword(properties);
+            this.envContext = getEnvContext(properties);
+            this.routeOffer = getRouteOffer(properties);
+            this.commonServiceVersion = getCommonServiceVersion(properties);
+            this.partner = getPartner(properties);
+        } catch (final FileNotFoundException e) {
+            LOG.error("dme2.properties file could not be found at path: {}", dme2Path, e);
+        } catch (final IOException e) {
+            LOG.error("fatal error reading dme2.properties at path: {}", dme2Path, e);
+        }
+    }
+
+    private static Path getDme2Path(final String sdncRootDirectory, final String dme2Filename) {
+        return Paths.get(sdncRootDirectory, dme2Filename);
+    }
+
+    private static Properties getProperties(final String dme2Path) throws IOException {
+        final File dme2File = new File(dme2Path);
+        final Properties properties = new Properties();
+        properties.load(new FileReader(dme2File));
+        return properties;
+    }
+
+    private String getProxyUrl(final Properties properties) {
+        return properties.getProperty(PROXY_URL_KEY);
+    }
+
+    private Optional<String []> getProxyUrls(final Properties properties) {
+        final String proxyUrlsValue = getProxyUrl(properties);
+        if (!Strings.isNullOrEmpty(proxyUrlsValue)) {
+            return Optional.ofNullable(proxyUrlsValue.split(PROXY_URLS_VALUE_SEPARATOR));
+        }
+        return Optional.empty();
+    }
+
+    public Optional<String []> getProxyUrls() {
+        return this.proxyUrls;
+    }
+
+    private Optional<String> getAafUsername(final Properties properties) {
+        final String aafUsernameValue = properties.getProperty(AAF_USERNAME_KEY);
+        return Optional.ofNullable(aafUsernameValue);
+    }
+
+    Optional<String> getAafUsername() {
+        return this.aafUsername;
+    }
+
+    private Optional<String> getAafPassword(final Properties properties) {
+        final String aafPassword = properties.getProperty(AAF_PASSWORD_KEY);
+        return Optional.ofNullable(aafPassword);
+    }
+
+    Optional<String> getAafPassword() {
+        return this.aafPassword;
+    }
+
+    private Optional<String> getEnvContext(final Properties properties) {
+        final String envContext = properties.getProperty(ENV_CONTEXT_KEY);
+        return Optional.ofNullable(envContext);
+    }
+
+    Optional<String> getEnvContext() {
+        return this.envContext;
+    }
+
+    private Optional<String> getRouteOffer(final Properties properties) {
+        final String routeOffer = properties.getProperty(ROUTE_OFFER_KEY);
+        return Optional.ofNullable(routeOffer);
+    }
+
+    Optional<String> getRouteOffer() {
+        return this.routeOffer;
+    }
+
+    private Optional<String> getCommonServiceVersion(final Properties properties) {
+        final String commonServiceVersion = properties.getProperty(COMMON_SERVICE_VERSION_KEY);
+        return Optional.ofNullable(commonServiceVersion);
+    }
+
+    Optional<String> getCommonServiceVersion() {
+        return this.commonServiceVersion;
+    }
+
+    private Optional<String> getPartner(final Properties properties) {
+        final String partner = properties.getProperty(PARTNER_KEY);
+        return Optional.ofNullable(partner);
+    }
+
+    Optional<String> getPartner() {
+        return this.partner;
+    }
+}