Bug 1411 Binding Generator - BaseYangTypes

- provides mapping for YANG built-in types
- prevents Bug 2323 happening

Change-Id: Ic65a4f30d6219f51c8d13eb26c3ff4b14255302e
Signed-off-by: Martin Ciglan <mciglan@cisco.com>

diff --git a/binding2/mdsal-binding2-generator-impl/src/main/java/org/opendaylight/mdsal/binding/javav2/generator/yang/types/BaseYangTypes.java b/binding2/mdsal-binding2-generator-impl/src/main/java/org/opendaylight/mdsal/binding/javav2/generator/yang/types/BaseYangTypes.java
new file mode 100644 (file)
index 0000000..575eb55
--- /dev/null
+++ b/binding2/mdsal-binding2-generator-impl/src/main/java/org/opendaylight/mdsal/binding/javav2/generator/yang/types/BaseYangTypes.java
@@ -0,0 +1,237 @@
+/*
+ * Copyright (c) 2017 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.mdsal.binding.javav2.generator.yang.types;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.ImmutableMap.Builder;
+import java.math.BigDecimal;
+import java.math.BigInteger;
+import java.util.Map;
+import org.opendaylight.mdsal.binding.javav2.generator.spi.TypeProvider;
+import org.opendaylight.mdsal.binding.javav2.generator.util.JavaIdentifier;
+import org.opendaylight.mdsal.binding.javav2.generator.util.NonJavaCharsConverter;
+import org.opendaylight.mdsal.binding.javav2.generator.util.Types;
+import org.opendaylight.mdsal.binding.javav2.model.api.Restrictions;
+import org.opendaylight.mdsal.binding.javav2.model.api.Type;
+import org.opendaylight.mdsal.binding.javav2.spec.base.InstanceIdentifier;
+import org.opendaylight.mdsal.binding.javav2.util.BindingMapping;
+import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
+
+public final class BaseYangTypes {
+    /**
+     * Mapping of basic built-in YANG types (RFC7950) to JAVA
+     * {@link org.opendaylight.mdsal.binding.javav2.model.api.Type Type}.
+     * This map is filled with mapping data in static initialization block
+     */
+    private static final Map<String, Type> TYPE_MAP;
+
+    /**
+     * <code>Type</code> representation of <code>binary</code> YANG type
+     */
+    public static final Type BINARY_TYPE = Types.primitiveType("byte[]", null);
+
+    /**
+     * <code>Type</code> representation of <code>boolean</code> YANG type
+     */
+    public static final Type BOOLEAN_TYPE = Types.typeForClass(Boolean.class);
+
+    /**
+     * <code>Type</code> representation of <code>decimal64</code> YANG type
+     */
+    public static final Type DECIMAL64_TYPE = Types.typeForClass(BigDecimal.class);
+
+    /**
+     * <code>Type</code> representation of <code>empty</code> YANG type
+     */
+    public static final Type EMPTY_TYPE = Types.typeForClass(Boolean.class);
+
+    /**
+     * <code>Type</code> representation of <code>enumeration</code> YANG type
+     */
+    public static final Type ENUM_TYPE = Types.typeForClass(Enum.class);
+
+    /**
+     * <code>Type</code> representation of <code>instance-identifier</code> YANG type
+     */
+    public static final Type INSTANCE_IDENTIFIER = Types.parameterizedTypeFor(Types
+            .typeForClass(InstanceIdentifier.class));
+
+    /**
+     * <code>Type</code> representation of <code>int8</code> YANG type
+     */
+    public static final Type INT8_TYPE = Types.typeForClass(Byte.class);
+
+    /**
+     * <code>Type</code> representation of <code>int16</code> YANG type
+     */
+    public static final Type INT16_TYPE = Types.typeForClass(Short.class);
+
+    /**
+     * <code>Type</code> representation of <code>int32</code> YANG type
+     */
+    public static final Type INT32_TYPE = Types.typeForClass(Integer.class);
+
+    /**
+     * <code>Type</code> representation of <code>int64</code> YANG type
+     */
+    public static final Type INT64_TYPE = Types.typeForClass(Long.class);
+
+    /**
+     * <code>Type</code> representation of <code>string</code> YANG type
+     */
+    public static final Type STRING_TYPE = Types.typeForClass(String.class);
+
+    /**
+     * <code>Type</code> representation of <code>uint8</code> YANG type
+     */
+    public static final Type UINT8_TYPE = Types.typeForClass(Short.class, singleRangeRestrictions((short)0, (short)255));
+
+    /**
+     * <code>Type</code> representation of <code>uint16</code> YANG type
+     */
+    public static final Type UINT16_TYPE = Types.typeForClass(Integer.class, singleRangeRestrictions(0, 65535));
+
+    /**
+     * <code>Type</code> representation of <code>uint32</code> YANG type
+     */
+    public static final Type UINT32_TYPE = Types.typeForClass(Long.class, singleRangeRestrictions(0L, 4294967295L));
+
+    /**
+     * <code>Type</code> representation of <code>uint64</code> YANG type
+     */
+    public static final Type UINT64_TYPE = Types.typeForClass(BigInteger.class,
+            singleRangeRestrictions(BigInteger.ZERO, new BigInteger("18446744073709551615")));
+
+    /**
+     * <code>Type</code> representation of <code>union</code> YANG type
+     */
+    public static final Type UNION_TYPE = new UnionType();
+
+    private BaseYangTypes() {
+        throw new UnsupportedOperationException();
+    }
+
+    static {
+        final Builder<String, Type> b = ImmutableMap.builder();
+
+        b.put("binary", BINARY_TYPE);
+        b.put("boolean", BOOLEAN_TYPE);
+        b.put("decimal64", DECIMAL64_TYPE);
+        b.put("empty", EMPTY_TYPE);
+        b.put("enumeration", ENUM_TYPE);
+        b.put("instance-identifier", INSTANCE_IDENTIFIER);
+        b.put("int8", INT8_TYPE);
+        b.put("int16", INT16_TYPE);
+        b.put("int32", INT32_TYPE);
+        b.put("int64", INT64_TYPE);
+        b.put("string", STRING_TYPE);
+        b.put("uint8", UINT8_TYPE);
+        b.put("uint16", UINT16_TYPE);
+        b.put("uint32", UINT32_TYPE);
+        b.put("uint64", UINT64_TYPE);
+        b.put("union", UNION_TYPE);
+
+        TYPE_MAP = b.build();
+    }
+
+    public static final TypeProvider BASE_YANG_TYPES_PROVIDER = new TypeProvider() {
+        /**
+         * Searches <code>Type</code> value to which is YANG <code>type</code>
+         * mapped.
+         *
+         * @param type
+         *            type definition representation of YANG type
+         * @return java <code>Type</code> representation of <code>type</code>.
+         *         If <code>type</code> isn't found then <code>null</code> is
+         *         returned.
+         */
+        @Override
+        public Type javaTypeForSchemaDefinitionType(final TypeDefinition<?> type, final SchemaNode parentNode) {
+            if (type != null) {
+                return TYPE_MAP.get(type.getQName().getLocalName());
+            }
+
+            return null;
+        }
+
+        @Override
+        public Type javaTypeForSchemaDefinitionType(final TypeDefinition<?> type, final SchemaNode parentNode,
+                final Restrictions restrictions) {
+
+            String typeName = type.getQName().getLocalName();
+            switch (typeName) {
+                case "binary":
+                    return restrictions == null ? Types.BYTE_ARRAY : Types.primitiveType("byte[]", restrictions);
+                case "decimal64":
+                    return Types.typeForClass(BigDecimal.class, restrictions);
+                case "enumeration":
+                    return Types.typeForClass(Enum.class, restrictions);
+                case "int8":
+                    return Types.typeForClass(Byte.class, restrictions);
+                case "int16":
+                    return Types.typeForClass(Short.class, restrictions);
+                case "int32":
+                    return Types.typeForClass(Integer.class, restrictions);
+                case "int64":
+                    return Types.typeForClass(Long.class, restrictions);
+                case "string":
+                    return Types.typeForClass(String.class, restrictions);
+                case "uint8":
+                    return Types.typeForClass(Short.class, restrictions);
+                case "uint16":
+                    return Types.typeForClass(Integer.class, restrictions);
+                case "uint32":
+                    return Types.typeForClass(Long.class, restrictions);
+                case "uint64":
+                    return Types.typeForClass(BigInteger.class, restrictions);
+                case "union" :
+                    return UNION_TYPE;
+                default:
+                    return javaTypeForSchemaDefinitionType(type, parentNode);
+            }
+        }
+
+        @Override
+        public String getTypeDefaultConstruction(final LeafSchemaNode node) {
+            return null;
+        }
+
+        @Override
+        public String getConstructorPropertyName(final SchemaNode node) {
+            return null;
+        }
+
+        @Override
+        public String getParamNameFromType(final TypeDefinition<?> type) {
+            return NonJavaCharsConverter.convertIdentifier(BindingMapping.getPropertyName(type.getQName()
+                    .getLocalName()), JavaIdentifier.METHOD);
+        }
+    };
+
+    private static <T extends Number> Restrictions singleRangeRestrictions(final T min, final T max) {
+        return Types.getDefaultRestrictions(min, max);
+    }
+
+    public static final class UnionType implements Type {
+        @Override
+        public String getPackageName() {
+            return BindingMapping.PACKAGE_PREFIX;
+        }
+        @Override
+        public String getName() {
+            return "Union";
+        }
+        @Override
+        public String getFullyQualifiedName() {
+            return "Union";
+        }
+    }
+}