BUG-1041 cli proposal #1

[controller.git] / opendaylight / netconf / netconf-cli / src / main / java / org / opendaylight / controller / netconf / cli / writer / impl / NormalizedNodeWriter.java

diff --git a/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/writer/impl/NormalizedNodeWriter.java b/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/writer/impl/NormalizedNodeWriter.java
new file mode 100644 (file)
index 0000000..eef9a39
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+++ b/opendaylight/netconf/netconf-cli/src/main/java/org/opendaylight/controller/netconf/cli/writer/impl/NormalizedNodeWriter.java
@@ -0,0 +1,94 @@
+/*
+ * 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.netconf.cli.writer.impl;
+
+import java.io.IOException;
+import java.util.Iterator;
+import java.util.List;
+import org.opendaylight.controller.netconf.cli.io.ConsoleIO;
+import org.opendaylight.controller.netconf.cli.writer.OutFormatter;
+import org.opendaylight.controller.netconf.cli.writer.WriteException;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.Node;
+import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
+import org.opendaylight.yangtools.yang.data.impl.schema.transform.base.serializer.NodeSerializerDispatcher;
+import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.DomUtils;
+import org.opendaylight.yangtools.yang.data.json.schema.cnsn.parser.CnSnToNormalizedNodeParserFactory;
+import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
+import org.opendaylight.yangtools.yang.model.api.ChoiceNode;
+import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class NormalizedNodeWriter extends AbstractWriter<DataSchemaNode> {
+
+    private static final Logger LOG = LoggerFactory.getLogger(NormalizedNodeWriter.class);
+    private final OutFormatter out;
+
+    public NormalizedNodeWriter(final ConsoleIO console, final OutFormatter out) {
+        super(console);
+        this.out = out;
+    }
+
+    public void writeInner(final DataSchemaNode dataSchemaNode, final List<Node<?>> dataNodes) throws WriteException,
+            IOException {
+
+        // TODO - add getDispatcher method to CnSnToNormalizedNodeParserFactory
+        // to be able call dispatchChildElement
+        final DataContainerChild<? extends PathArgument, ?> dataContainerChild = parseToNormalizedNode(dataNodes,
+                dataSchemaNode);
+
+        if (dataContainerChild != null) {
+            console.writeLn(serializeToCliOutput(dataContainerChild, dataSchemaNode));
+        }
+
+    }
+
+    private String serializeToCliOutput(final DataContainerChild<? extends PathArgument, ?> dataContainerChild,
+            final DataSchemaNode childSchema) {
+        final CliOutputFromNormalizedNodeSerializerFactory factorySerialization = CliOutputFromNormalizedNodeSerializerFactory
+                .getInstance(out, DomUtils.defaultValueCodecProvider());
+        final NodeSerializerDispatcher<String> dispatcher = factorySerialization.getDispatcher();
+        final Iterable<String> result = dispatcher.dispatchChildElement(childSchema, dataContainerChild);
+
+        if (result == null) {
+            return "";
+        }
+
+        final Iterator<String> output = result.iterator();
+        if (!output.hasNext()) {
+            return "";
+        }
+
+        return output.next();
+    }
+
+    private DataContainerChild<? extends PathArgument, ?> parseToNormalizedNode(final List<Node<?>> dataNodes,
+            final DataSchemaNode dataSchemaNode) {
+        final CnSnToNormalizedNodeParserFactory factoryParsing = CnSnToNormalizedNodeParserFactory.getInstance();
+        if (dataSchemaNode instanceof ContainerSchemaNode) {
+            return factoryParsing.getContainerNodeParser().parse(dataNodes, (ContainerSchemaNode) dataSchemaNode);
+        } else if (dataSchemaNode instanceof LeafSchemaNode) {
+            return factoryParsing.getLeafNodeParser().parse(dataNodes, (LeafSchemaNode) dataSchemaNode);
+        } else if (dataSchemaNode instanceof LeafListSchemaNode) {
+            return factoryParsing.getLeafSetNodeParser().parse(dataNodes, (LeafListSchemaNode) dataSchemaNode);
+        } else if (dataSchemaNode instanceof ListSchemaNode) {
+            return factoryParsing.getMapNodeParser().parse(dataNodes, (ListSchemaNode) dataSchemaNode);
+        } else if (dataSchemaNode instanceof ChoiceNode) {
+            return factoryParsing.getChoiceNodeParser().parse(dataNodes, (ChoiceNode) dataSchemaNode);
+        } else if (dataSchemaNode instanceof AugmentationSchema) {
+            return factoryParsing.getAugmentationNodeParser().parse(dataNodes, (AugmentationSchema) dataSchemaNode);
+        }
+        return null;
+    }
+
+}
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