1 files changed, 141 insertions, 0 deletions
diff --git a/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ExecuteNodeExecutor.java b/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ExecuteNodeExecutor.java
new file mode 100644
index 00000000..357f11d0
--- /dev/null
+++ b/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ExecuteNodeExecutor.java
@@ -0,0 +1,141 @@
+/*-
+ * ============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.sli.provider.base;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicExpression;
+import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
+import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ExecuteNodeExecutor extends AbstractSvcLogicNodeExecutor {
+	private static final Logger LOG = LoggerFactory
+			.getLogger(ExecuteNodeExecutor.class);
+
+	private static final String pluginErrorMessage = "Could not execute plugin. SvcLogic status will be set to failure.";
+	public SvcLogicNode execute(SvcLogicServiceBase svc, SvcLogicNode node,
+			SvcLogicContext ctx) throws SvcLogicException {
+
+		String pluginName = SvcLogicExpressionResolver.evaluate(
+				node.getAttribute("plugin"), node, ctx);
+		String outValue = "failure";
+
+		if (LOG.isDebugEnabled()) {
+			LOG.debug("execute node encountered - looking for plugin "
+					+ pluginName);
+		}
+
+        SvcLogicJavaPlugin plugin  = getSvcLogicJavaPlugin(pluginName);
+
+		if (plugin == null) {
+			outValue = "not-found";
+		} else {
+
+			String methodName = evaluate(node.getAttribute("method"),  node, ctx);
+
+			Class pluginClass = plugin.getClass();
+
+			Method pluginMethod = null;
+
+			try {
+				pluginMethod = pluginClass.getMethod(methodName, Map.class, SvcLogicContext.class);
+			} catch (NoSuchMethodException e) {
+				LOG.error(pluginErrorMessage, e);
+			}
+
+			if (pluginMethod == null) {
+				outValue = "unsupported-method";
+			} else {
+				try {
+
+					Map<String, String> parmMap = new HashMap<String, String>();
+
+					Set<Map.Entry<String, SvcLogicExpression>> parmSet = node
+							.getParameterSet();
+
+					for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = parmSet
+							.iterator(); iter.hasNext();) {
+						Map.Entry<String, SvcLogicExpression> curEnt = iter.next();
+						String curName = curEnt.getKey();
+						SvcLogicExpression curExpr = curEnt.getValue();
+						String curExprValue = SvcLogicExpressionResolver.evaluate(curExpr, node, ctx);
+
+						LOG.debug("Parameter "+curName+" = "+curExpr.asParsedExpr()+" resolves to "+curExprValue);
+
+						parmMap.put(curName,curExprValue);
+					}
+
+					Object o = pluginMethod.invoke(plugin, parmMap, ctx);
+			        String emitsOutcome = SvcLogicExpressionResolver.evaluate(node.getAttribute("emitsOutcome"),  node, ctx);
+
+					outValue = mapOutcome(o, emitsOutcome);
+
+				} catch (InvocationTargetException e) {
+				    if(e.getCause() != null){
+	                    LOG.error(pluginErrorMessage, e.getCause());
+				    }else{
+					LOG.error(pluginErrorMessage, e);
+				    }
+					outValue = "failure";
+					ctx.setStatus("failure");
+				} catch (IllegalAccessException e) {
+                    LOG.error(pluginErrorMessage, e);
+                    outValue = "failure";
+                    ctx.setStatus("failure");
+                } catch (IllegalArgumentException e) {
+                    LOG.error(pluginErrorMessage, e);
+                    outValue = "failure";
+                    ctx.setStatus("failure");
+                }
+			}
+
+		}
+        return (getNextNode(node, outValue));
+	}
+
+	protected String evaluate(SvcLogicExpression expr, SvcLogicNode node, SvcLogicContext ctx) throws SvcLogicException {
+        return SvcLogicExpressionResolver.evaluate(node.getAttribute("method"), node, ctx);
+    }
+
+    public String mapOutcome(Object o, String emitsOutcome) {
+        if (emitsOutcome != null) {
+            Boolean nodeEmitsOutcome = Boolean.valueOf(emitsOutcome);
+            if (nodeEmitsOutcome) {
+                return (String) o;
+            } else {
+                return "success";
+            }
+        } else {
+            return "success";
+        }
+    }
+
+}