2 * Copyright (c) 2014 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
7 */package org.opendaylight.yangtools.binding.data.codec.gen.impl;
9 import com.google.common.base.Preconditions;
10 import java.util.HashMap;
12 import org.opendaylight.yangtools.binding.data.codec.util.ChoiceDispatchSerializer;
13 import org.opendaylight.yangtools.sal.binding.model.api.GeneratedType;
14 import org.opendaylight.yangtools.sal.binding.model.api.MethodSignature;
15 import org.opendaylight.yangtools.sal.binding.model.api.ParameterizedType;
16 import org.opendaylight.yangtools.sal.binding.model.api.Type;
17 import org.opendaylight.yangtools.yang.binding.BindingMapping;
18 import org.opendaylight.yangtools.yang.binding.BindingSerializer;
19 import org.opendaylight.yangtools.yang.binding.BindingStreamEventWriter;
20 import org.opendaylight.yangtools.yang.binding.DataObject;
21 import org.opendaylight.yangtools.yang.binding.DataObjectSerializerImplementation;
22 import org.opendaylight.yangtools.yang.binding.DataObjectSerializerRegistry;
23 import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
24 import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
25 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
26 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
27 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
28 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
29 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
30 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
31 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
32 import org.opendaylight.yangtools.yang.model.api.type.BooleanTypeDefinition;
33 import org.opendaylight.yangtools.yang.model.api.type.EmptyTypeDefinition;
35 abstract class DataNodeContainerSerializerSource extends DataObjectSerializerSource {
37 protected static final String INPUT = "_input";
38 private static final String CHOICE_PREFIX = "CHOICE_";
40 protected final DataNodeContainer schemaNode;
41 private final GeneratedType dtoType;
43 DataNodeContainerSerializerSource(final AbstractGenerator generator, final GeneratedType type, final DataNodeContainer node) {
45 this.dtoType = Preconditions.checkNotNull(type);
46 this.schemaNode = Preconditions.checkNotNull(node);
50 * Return the character sequence which should be used for start event.
52 * @return Start event character sequence
54 protected abstract CharSequence emitStartEvent();
57 protected CharSequence getSerializerBody() {
58 final StringBuilder b = new StringBuilder();
60 b.append(statement(assign(DataObjectSerializerRegistry.class.getName(), REGISTRY, "$1")));
61 b.append(statement(assign(dtoType.getFullyQualifiedName(), INPUT,
62 cast(dtoType.getFullyQualifiedName(), "$2"))));
63 b.append(statement(assign(BindingStreamEventWriter.class.getName(), STREAM, cast(BindingStreamEventWriter.class.getName(), "$3"))));
64 b.append(statement(assign(BindingSerializer.class.getName(), SERIALIZER, null)));
67 b.append(" instanceof ");
68 b.append(BindingSerializer.class.getName());
70 b.append(statement(assign(SERIALIZER, cast(BindingSerializer.class.getName(), STREAM))));
72 b.append(statement(emitStartEvent()));
76 b.append(statement(endNode()));
77 b.append(statement("return null"));
83 * Allows for customization of emitting code, which is processed after
84 * normal DataNodeContainer body. Ideal for augmentations or others.
86 protected void emitAfterBody(final StringBuilder b) {
90 private static Map<String, Type> collectAllProperties(final GeneratedType type, final Map<String, Type> hashMap) {
91 for (final MethodSignature definition : type.getMethodDefinitions()) {
92 hashMap.put(definition.getName(), definition.getReturnType());
94 for (final Type parent : type.getImplements()) {
95 if (parent instanceof GeneratedType) {
96 collectAllProperties((GeneratedType) parent, hashMap);
102 private static final String getGetterName(final DataSchemaNode node) {
103 final TypeDefinition<?> type ;
104 if (node instanceof LeafSchemaNode) {
105 type = ((LeafSchemaNode) node).getType();
106 } else if(node instanceof LeafListSchemaNode) {
107 type = ((LeafListSchemaNode) node).getType();
111 String prefix = "get";
113 TypeDefinition<?> rootType = type;
114 while (rootType.getBaseType() != null) {
115 rootType = rootType.getBaseType();
117 if(rootType instanceof BooleanTypeDefinition || rootType instanceof EmptyTypeDefinition) {
122 return prefix + BindingMapping.getClassName(node.getQName().getLocalName());
125 private void emitBody(final StringBuilder b) {
126 final Map<String, Type> getterToType = collectAllProperties(dtoType, new HashMap<String, Type>());
127 for (final DataSchemaNode schemaChild : schemaNode.getChildNodes()) {
128 if (!schemaChild.isAugmenting()) {
129 final String getter = getGetterName(schemaChild);
130 final Type childType = getterToType.get(getter);
131 emitChild(b, getter, childType, schemaChild);
136 private void emitChild(final StringBuilder b, final String getterName, final Type childType,
137 final DataSchemaNode schemaChild) {
138 b.append(statement(assign(childType, getterName, cast(childType, invoke(INPUT, getterName)))));
140 b.append("if (").append(getterName).append(" != null) {\n");
141 emitChildInner(b, getterName, childType, schemaChild);
145 private void emitChildInner(final StringBuilder b, final String getterName, final Type childType,
146 final DataSchemaNode child) {
147 if (child instanceof LeafSchemaNode) {
148 b.append(statement(leafNode(child.getQName().getLocalName(), getterName)));
149 } else if (child instanceof AnyXmlSchemaNode) {
150 b.append(statement(anyxmlNode(child.getQName().getLocalName(), getterName)));
151 } else if (child instanceof LeafListSchemaNode) {
152 b.append(statement(startLeafSet(child.getQName().getLocalName(),invoke(getterName, "size"))));
153 final Type valueType = ((ParameterizedType) childType).getActualTypeArguments()[0];
154 b.append(forEach(getterName, valueType, statement(leafSetEntryNode(CURRENT))));
155 b.append(statement(endNode()));
156 } else if (child instanceof ListSchemaNode) {
157 final Type valueType = ((ParameterizedType) childType).getActualTypeArguments()[0];
158 final ListSchemaNode casted = (ListSchemaNode) child;
159 emitList(b, getterName, valueType, casted);
160 } else if (child instanceof ContainerSchemaNode) {
161 b.append(tryToUseCacheElse(getterName,statement(staticInvokeEmitter(childType, getterName))));
162 } else if (child instanceof ChoiceSchemaNode) {
163 final String propertyName = CHOICE_PREFIX + childType.getName();
164 staticConstant(propertyName, DataObjectSerializerImplementation.class, ChoiceDispatchSerializer.from(loadClass(childType)));
165 b.append(tryToUseCacheElse(getterName,statement(invoke(propertyName, StreamWriterGenerator.SERIALIZE_METHOD_NAME, REGISTRY, cast(DataObject.class.getName(),getterName), STREAM))));
169 private StringBuilder tryToUseCacheElse(final String getterName, final CharSequence statement) {
170 final StringBuilder b = new StringBuilder();
173 b.append(SERIALIZER).append("== null || ");
174 b.append(invoke(SERIALIZER, "serialize", getterName)).append("== null");
181 private void emitList(final StringBuilder b, final String getterName, final Type valueType,
182 final ListSchemaNode child) {
183 final CharSequence startEvent;
185 b.append(statement(assign("int", "_count", invoke(getterName, "size"))));
186 if (child.getKeyDefinition().isEmpty()) {
187 startEvent = startUnkeyedList(classReference(valueType), "_count");
188 } else if (child.isUserOrdered()) {
189 startEvent = startOrderedMapNode(classReference(valueType), "_count");
191 startEvent = startMapNode(classReference(valueType), "_count");
193 b.append(statement(startEvent));
194 b.append(forEach(getterName, valueType, tryToUseCacheElse(CURRENT,statement(staticInvokeEmitter(valueType, CURRENT)))));
195 b.append(statement(endNode()));