fix for BUG-621 - convertion from xtend to java in compatibility/flow-management...

[controller.git] / opendaylight / md-sal / compatibility / flow-management-compatibility / src / main / java / org / opendaylight / controller / md / frm / compatibility / FlowConfigMapping.java

diff --git a/opendaylight/md-sal/compatibility/flow-management-compatibility/src/main/java/org/opendaylight/controller/md/frm/compatibility/FlowConfigMapping.java b/opendaylight/md-sal/compatibility/flow-management-compatibility/src/main/java/org/opendaylight/controller/md/frm/compatibility/FlowConfigMapping.java
new file mode 100644 (file)
index 0000000..58c60ec
--- /dev/null
+++ b/opendaylight/md-sal/compatibility/flow-management-compatibility/src/main/java/org/opendaylight/controller/md/frm/compatibility/FlowConfigMapping.java
@@ -0,0 +1,109 @@
+/**
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.md.frm.compatibility;
+
+import java.text.MessageFormat;
+import java.util.Iterator;
+
+import org.opendaylight.controller.forwardingrulesmanager.FlowConfig;
+import org.opendaylight.controller.sal.compatibility.MDFlowMapping;
+import org.opendaylight.controller.sal.compatibility.NodeMapping;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.flows.Flow;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.flows.FlowBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.config.rev130819.flows.FlowKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.service.rev130819.FlowAdded;
+import org.opendaylight.yangtools.yang.binding.Identifiable;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.IdentifiableItem;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier.PathArgument;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class FlowConfigMapping {
+
+    private final static Logger LOG = LoggerFactory.getLogger(FlowConfigMapping.class);
+
+    /* nodes/node/flow  -> 0 / 1 / 2  */
+    private static final int FLOW_KEY_IDENTIFIER_DEEP = 2;
+
+    public static Flow toConfigurationFlow(final FlowConfig sourceCfg) {
+        final FlowAdded source = MDFlowMapping.flowAdded(sourceCfg.getFlow());
+        final FlowBuilder flowBuilder = new FlowBuilder();
+        flowBuilder.setInstructions(source.getInstructions());
+        flowBuilder.setCookie(source.getCookie());
+        flowBuilder.setHardTimeout(source.getHardTimeout());
+        flowBuilder.setIdleTimeout(source.getIdleTimeout());
+        flowBuilder.setMatch(source.getMatch());
+        flowBuilder.setNode(source.getNode());
+
+        FlowKey flowKey =
+                new FlowKey(Long.valueOf(sourceCfg.getName()), flowBuilder.getNode());
+        flowBuilder.setKey(flowKey);
+        return flowBuilder.build();
+    }
+
+    public static FlowConfig toFlowConfig(final Flow sourceCfg) {
+        try {
+            final FlowConfig flowConfig = new FlowConfig();
+            flowConfig.setName(String.valueOf(sourceCfg.getId()));
+            flowConfig.setNode(NodeMapping.toADNode(sourceCfg.getNode()));
+            return flowConfig;
+        } catch (Exception e) {
+            String errMsg = MessageFormat.format("Convert from Flow {} to FlowConfig fail", sourceCfg);
+            LOG.error(errMsg, e);
+            throw new RuntimeException(errMsg, e);
+        }
+    }
+
+    public static FlowConfig toFlowConfig(final InstanceIdentifier<? extends Object> identifier) {
+        try {
+            PathArgument pathArg = FlowConfigMapping.getSecondPathArgumentFromPath(identifier);
+            if (pathArg != null) {
+                final FlowConfig flowConfig = new FlowConfig();
+                FlowKey key = ((IdentifiableItem<Flow, FlowKey>) pathArg).getKey();
+                flowConfig.setName(String.valueOf(key.getId()));
+                flowConfig.setNode(NodeMapping.toADNode(key.getNode()));
+                return flowConfig;
+            }
+            return null;
+        } catch (Exception e) {
+            String errMsg = MessageFormat.format("Convert from InstanceIdentifier {} to FlowConfig fail", identifier);
+            LOG.error(errMsg, e);
+            throw new RuntimeException(errMsg, e);
+        }
+    }
+
+    public static boolean isFlowPath(final InstanceIdentifier<? extends Object> path) {
+        PathArgument pathArg = FlowConfigMapping.getSecondPathArgumentFromPath(path);
+        if (pathArg == null) {
+            return false;
+        }
+        if (pathArg instanceof IdentifiableItem<?,?>) {
+            final Identifiable<?> key = ((IdentifiableItem<?, ? extends Identifiable<?>>) pathArg).getKey();
+            if ((key instanceof FlowKey)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private static PathArgument getSecondPathArgumentFromPath(final InstanceIdentifier<? extends Object> path) {
+        if (path != null && path.getPathArguments() != null) {
+            Iterator<PathArgument> iterator = path.getPathArguments().iterator();
+            int deep = 0;
+            while (iterator.hasNext()) {
+                PathArgument pathArg = iterator.next();
+                if (deep == FlowConfigMapping.FLOW_KEY_IDENTIFIER_DEEP) {
+                    return pathArg;
+                }
+                deep++;
+            }
+        }
+        return null;
+    }
+}