Initial commit for OpenECOMP SDN-C northbound

Change-Id: Iffe4d4fbcfd21ecbc1000238354094cc064298ce
Signed-off-by: Dan Timoney <dtimoney@att.com>

2 files changed, 292 insertions, 0 deletions

diff --git a/vnftools/provider/src/main/java/org/openecomp/sdnc/vnftools/VnfTools.java b/vnftools/provider/src/main/java/org/openecomp/sdnc/vnftools/VnfTools.java
new file mode 100644
index 00000000..52864961
--- /dev/null
+++ b/vnftools/provider/src/main/java/org/openecomp/sdnc/vnftools/VnfTools.java
@@ -0,0 +1,205 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : SDN-C
+ * ================================================================================
+ * 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.openecomp.sdnc.vnftools;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+
+import org.openecomp.sdnc.sli.SvcLogicContext;
+import org.openecomp.sdnc.sli.SvcLogicException;
+import org.openecomp.sdnc.sli.SvcLogicJavaPlugin;
+import org.openecomp.sdnc.sli.SliPluginUtils.SliPluginUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class VnfTools implements SvcLogicJavaPlugin {
+	// ========== FIELDS ==========
+
+	private static final Logger LOG = LoggerFactory.getLogger(VnfTools.class);
+
+	// ========== CONSTRUCTORS ==========
+
+	public VnfTools(Properties props) {
+		if (props != null) {
+			LOG.debug("props is not null.");
+		}
+	}
+
+
+	public void checkIfActivateReady( Map<String, String> parameters, SvcLogicContext ctx ) throws SvcLogicException {
+		LOG.debug("Checking if enough data is available to send the NCS Activate request...");
+
+		SliPluginUtils.checkParameters(parameters, new String[]{"return-key"}, LOG);
+		final String returnKey = parameters.get("return-key");
+		ctx.setAttribute(returnKey, "true");
+
+	}
+
+	/**
+	 * DG node performs a java String.contains(String) and writes true or false
+	 * to a key in context memory.
+	 * @param parameters Hashmap in context memory must contain the following:
+	 * <table border='1'>
+	 * <thead>
+	 * 	<th>Key</th>
+	 * 	<th>Description</th>
+	 * </thead>
+	 * <tbody>
+	 * 	<tr>
+	 * 		<td>string_to_search</td>
+	 * 		<td>String to perform java String.contains(String) on</td>
+	 * 	</tr>
+	 *  <tr>
+	 * 		<td>string_to_find</td>
+	 * 		<td>String to find in the string_to_search</td>
+	 * 	</tr>
+	 *  <tr>
+	 * 		<td>result_ctx_string</td>
+	 * 		<td>Context memory key to write the result ("true" or "false") to</td>
+	 * 	</tr>
+	 * </tbody>
+	 * </table>
+	 * @param ctx Reference to context memory
+	 * @throws SvcLogicException
+	 */
+	public void stringContains( Map<String, String> parameters, SvcLogicContext ctx ) throws SvcLogicException {
+		SliPluginUtils.checkParameters(parameters, new String[]{"string_to_search","string_to_find","result_ctx_string"}, LOG);
+		ctx.setAttribute(parameters.get("result_ctx_string"), Boolean.toString(parameters.get("string_to_search").contains(parameters.get("string_to_find"))));
+	}
+
+
+	public void generateName( Map<String, String> parameters, SvcLogicContext ctx ) throws SvcLogicException {
+		LOG.debug("generateName");
+
+		SliPluginUtils.checkParameters(parameters, new String[]{"base","suffix","return-path"}, LOG);
+
+		String base = parameters.get("base");
+		ctx.setAttribute( parameters.get("return-path"), base.substring(0, base.length() - 4) + parameters.get("suffix") + base.substring(base.length() - 2) );
+	}
+
+
+	private boolean matches(String str1, String str2) {
+		if (str1 == null) {
+			if (str2 == null) {
+				return true;
+			} else {
+				return false;
+			}
+		} else {
+			if (str2 == null) {
+				return false;
+			} else {
+				return str1.equals(str2);
+			}
+		}
+	}
+
+	private void setIfNotNull(String property, String value, SvcLogicContext ctx) {
+		if (value != null) {
+			LOG.debug("Setting " + property + " to " + value);
+			ctx.setAttribute(property, value);
+		}
+	}
+
+	/*
+	 * Moves an array element from one index to another
+	 */
+	private void copyArrayEntry(String srcRoot, String destRoot, SvcLogicContext ctx) {
+		LOG.debug("copyArrayEntry called: srcRoot=" + srcRoot + ", destRoot=" + destRoot);
+
+		// Record all of the source keys
+		List<String> keysToMove = new ArrayList<String>();
+		for (String key : ctx.getAttributeKeySet()) {
+			if (key.startsWith(srcRoot)) {
+				keysToMove.add(key);
+			}
+		}
+
+		// Now loop through and copy those keys to the destination, and then delete the source
+		for (String key : keysToMove) {
+			String suffix = key.substring(srcRoot.length());
+			LOG.debug("Move " + key + " to " + destRoot + suffix);
+			ctx.setAttribute(destRoot + suffix, ctx.getAttribute(key));
+			ctx.setAttribute(key, null);
+		}
+
+	}
+
+	public void printContext(Map<String, String> parameters, SvcLogicContext ctx) throws SvcLogicException {
+		if (parameters == null) {
+			throw new SvcLogicException("no parameters passed");
+		}
+
+		String fileName = parameters.get("filename");
+
+		if ((fileName == null) || (fileName.length() == 0)) {
+			throw new SvcLogicException("printContext requires 'filename' parameter");
+		}
+
+		PrintStream pstr = null;
+
+		try {
+			pstr = new PrintStream(new FileOutputStream(new File(fileName), true));
+		} catch (Exception e) {
+			throw new SvcLogicException("Cannot open file " + fileName, e);
+		}
+	        pstr.println("#######################################");
+		for (String attr : ctx.getAttributeKeySet()) {
+			pstr.println(attr + " = " + ctx.getAttribute(attr));
+		}
+		pstr.flush();
+		pstr.close();
+	}
+
+	static int getArrayLength( SvcLogicContext ctx, String key ) {
+		try {
+			return Integer.parseInt(ctx.getAttribute(key));
+		} catch( NumberFormatException e ) {}
+
+		return 0;
+	}
+
+	static int getArrayLength( SvcLogicContext ctx, String key, String debug ) {
+		try {
+			return Integer.parseInt(ctx.getAttribute(key));
+		} catch( NumberFormatException e ) {
+			LOG.debug(debug);
+		}
+
+		return 0;
+	}
+
+	/**
+	 * Returns true if string is null or empty.
+	 * @param str
+	 * @return
+	 */
+	private static boolean stringIsBlank( String str ) {
+		return str == null || str.isEmpty();
+	}
+
+}
diff --git a/vnftools/provider/src/main/java/org/openecomp/sdnc/vnftools/VnfToolsActivator.java b/vnftools/provider/src/main/java/org/openecomp/sdnc/vnftools/VnfToolsActivator.java
new file mode 100644
index 00000000..7e8e615a
--- /dev/null
+++ b/vnftools/provider/src/main/java/org/openecomp/sdnc/vnftools/VnfToolsActivator.java
@@ -0,0 +1,87 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : SDN-C
+ * ================================================================================
+ * 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.openecomp.sdnc.vnftools;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Properties;
+
+import org.openecomp.sdnc.sli.ConfigurationException;
+import org.osgi.framework.BundleActivator;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceRegistration;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class VnfToolsActivator implements BundleActivator {
+
+	private static final String VNFTOOLS_PROP_VAR = "/vnftools.properties";
+	private static final String SDNC_CONFIG_DIR = "SDNC_CONFIG_DIR";
+
+	@SuppressWarnings("rawtypes")
+	private List<ServiceRegistration> registrations = new LinkedList<ServiceRegistration>();
+
+	private static final Logger LOG = LoggerFactory.getLogger(VnfToolsActivator.class);
+
+	@Override
+	public void start(BundleContext ctx) throws Exception {
+		// Read properties
+		Properties props = new Properties();
+
+		String propDir = System.getenv(SDNC_CONFIG_DIR);
+		if (propDir == null) {
+			propDir = "/opt/sdnc/data/properties";
+		}
+
+		String propPath = propDir + VNFTOOLS_PROP_VAR;
+
+		File propFile = new File(propPath);
+
+		if (!propFile.exists()) {
+			props = null;
+		} else {
+
+			try {
+				props.load(new FileInputStream(propFile));
+			} catch (Exception e) {
+				throw new ConfigurationException("Could not load properties file " + propPath, e);
+			}
+		}
+		VnfTools plugin = new VnfTools(props);
+
+		LOG.info("Registering service " + plugin.getClass().getName());
+		registrations.add(ctx.registerService(plugin.getClass().getName(), plugin, null));
+	}
+
+	@Override
+	public void stop(BundleContext ctx) throws Exception {
+
+		for (@SuppressWarnings("rawtypes")
+		ServiceRegistration registration : registrations) {
+			registration.unregister();
+			registration = null;
+		}
+	}
+
+}