+++ /dev/null
-/*
- * 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.yangtools.binding.data.codec.impl;
-
-import com.google.common.collect.ImmutableSet;
-import java.lang.reflect.Method;
-import java.util.LinkedHashSet;
-import java.util.Set;
-import java.util.concurrent.Callable;
-import org.opendaylight.mdsal.binding.yang.types.BaseYangTypes;
-import org.opendaylight.yangtools.concepts.Codec;
-import org.opendaylight.yangtools.yang.binding.BindingMapping;
-import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
-import org.opendaylight.yangtools.yang.model.api.Module;
-import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
-import org.opendaylight.yangtools.yang.model.api.SchemaNode;
-import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.LeafrefTypeDefinition;
-import org.opendaylight.yangtools.yang.model.api.type.UnionTypeDefinition;
-import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
-
-final class UnionTypeCodec extends ReflectionBasedCodec {
- private final ImmutableSet<UnionValueOptionContext> typeCodecs;
-
- private UnionTypeCodec(final Class<?> unionCls,final Set<UnionValueOptionContext> codecs) {
- super(unionCls);
- typeCodecs = ImmutableSet.copyOf(codecs);
- }
-
- static Callable<UnionTypeCodec> loader(final Class<?> unionCls, final UnionTypeDefinition unionType,
- final BindingCodecContext bindingCodecContext) {
- return () -> {
- final Set<UnionValueOptionContext> values = new LinkedHashSet<>();
- for (final TypeDefinition<?> subtype : unionType.getTypes()) {
- if (subtype instanceof LeafrefTypeDefinition) {
- addLeafrefValueCodec(unionCls, unionType, bindingCodecContext, values, subtype);
- } else {
- final Method valueGetter =
- unionCls.getMethod("get" + BindingMapping.getClassName(subtype.getQName()));
- final Class<?> valueType = valueGetter.getReturnType();
- final Codec<Object, Object> valueCodec = bindingCodecContext.getCodec(valueType, subtype);
-
- values.add(new UnionValueOptionContext(unionCls, valueType, valueGetter, valueCodec));
- }
- }
-
- return new UnionTypeCodec(unionCls, values);
- };
- }
-
- /**
- * Prepare codec for type from leaf's return type of leafref.
- *
- * @param unionCls
- * - union class
- * @param unionType
- * - union type
- * @param bindingCodecContext
- * - binding codec context
- * @param values
- * - union values
- * @param subtype
- * - subtype of union
- * @throws NoSuchMethodException
- */
- private static void addLeafrefValueCodec(final Class<?> unionCls, final UnionTypeDefinition unionType,
- final BindingCodecContext bindingCodecContext, final Set<UnionValueOptionContext> values,
- final TypeDefinition<?> subtype) throws NoSuchMethodException {
- final SchemaContext schemaContext = bindingCodecContext.getRuntimeContext().getSchemaContext();
- final Module module = schemaContext.findModuleByNamespaceAndRevision(subtype.getQName().getNamespace(),
- subtype.getQName().getRevision());
- final RevisionAwareXPath xpath = ((LeafrefTypeDefinition) subtype).getPathStatement();
- // find schema node in schema context by xpath of leafref
- final SchemaNode dataNode;
- if (xpath.isAbsolute()) {
- dataNode = SchemaContextUtil.findDataSchemaNode(schemaContext, module, xpath);
- } else {
- dataNode = SchemaContextUtil.findDataSchemaNodeForRelativeXPath(schemaContext, module, unionType, xpath);
- }
- final String className = BindingMapping.getClassName(unionCls.getSimpleName());
- final LeafSchemaNode typeNode = (LeafSchemaNode) dataNode;
-
- // prepare name of type form return type of referenced leaf
- final String typeName = BindingMapping.getClassName(BaseYangTypes.BASE_YANG_TYPES_PROVIDER
- .javaTypeForSchemaDefinitionType(typeNode.getType(), typeNode).getName());
-
- // get method via reflection from generated code according to
- // get_TypeName_Value method
- final Method valueGetterParent = unionCls
- .getMethod(new StringBuilder("get").append(typeName).append(className).append("Value").toString());
- final Class<?> returnType = valueGetterParent.getReturnType();
-
- // prepare codec of union subtype according to return type of referenced
- // leaf
- final Codec<Object, Object> valueCodec = bindingCodecContext.getCodec(returnType, subtype);
- values.add(new UnionValueOptionContext(unionCls, returnType, valueGetterParent, valueCodec));
- }
-
- @Override
- public Object deserialize(final Object input) {
- for (final UnionValueOptionContext member : typeCodecs) {
- final Object ret = member.deserializeUnion(input);
- if (ret != null) {
- return ret;
- }
- }
-
- throw new IllegalArgumentException(String.format("Failed to construct instance of %s for input %s",
- getTypeClass(), input));
- }
-
- @Override
- public Object serialize(final Object input) {
- if (input != null) {
- for (final UnionValueOptionContext valCtx : typeCodecs) {
- final Object domValue = valCtx.serialize(input);
- if (domValue != null) {
- return domValue;
- }
- }
- }
- return null;
- }
-}
Code Review / mdsal.git / blobdiff