2 * Copyright (c) 2015, 2017 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.controller.config.facade.xml.mapping.attributes.mapping;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import com.google.common.collect.Maps;
15 import javax.management.openmbean.SimpleType;
16 import org.opendaylight.yangtools.yang.common.Revision;
18 public class SimpleAttributeMappingStrategy extends AbstractAttributeMappingStrategy<String, SimpleType<?>> {
20 public SimpleAttributeMappingStrategy(final SimpleType<?> openType) {
25 public Optional<String> mapAttribute(final Object value) {
27 return Optional.absent();
30 String expectedClass = getOpenType().getClassName();
31 String realClass = value.getClass().getName();
32 Preconditions.checkArgument(realClass.equals(expectedClass),
33 "Type mismatch, expected " + expectedClass + " but was " + realClass);
35 WriterPlugin prefferedPlugin = WRITER_PLUGINS.get(value.getClass().getCanonicalName());
36 prefferedPlugin = prefferedPlugin == null ? WRITER_PLUGINS.get(DEFAULT_WRITER_PLUGIN) : prefferedPlugin;
37 return Optional.of(prefferedPlugin.writeObject(value));
40 private static final String DEFAULT_WRITER_PLUGIN = "default";
41 private static final Map<String, WriterPlugin> WRITER_PLUGINS = Maps.newHashMap();
44 WRITER_PLUGINS.put(DEFAULT_WRITER_PLUGIN, new DefaultWriterPlugin());
45 WRITER_PLUGINS.put(Revision.class.getCanonicalName(), new RevisionPlugin());
49 * Custom writer plugins must implement this interface.
51 interface WriterPlugin {
52 String writeObject(Object value);
55 static class DefaultWriterPlugin implements WriterPlugin {
58 public String writeObject(final Object value) {
59 return value.toString();
63 static class RevisionPlugin implements WriterPlugin {
66 public String writeObject(final Object value) {
67 Preconditions.checkArgument(value instanceof Revision, "Attribute must be Date");
68 return ((Revision) value).toString();