2 * Copyright (c) 2018 Pantheon Technologies, s.r.o. 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
8 package org.opendaylight.mdsal.binding.java.api.generator;
10 import static com.google.common.base.Verify.verify;
11 import static java.util.Objects.requireNonNull;
13 import java.util.Optional;
14 import java.util.stream.Collectors;
15 import org.opendaylight.mdsal.binding.model.api.ConcreteType;
16 import org.opendaylight.mdsal.binding.model.api.GeneratedProperty;
17 import org.opendaylight.mdsal.binding.model.api.GeneratedTransferObject;
18 import org.opendaylight.mdsal.binding.model.api.GeneratedType;
19 import org.opendaylight.mdsal.binding.model.api.JavaTypeName;
20 import org.opendaylight.mdsal.binding.model.api.Restrictions;
21 import org.opendaylight.mdsal.binding.model.api.Type;
22 import org.opendaylight.mdsal.binding.model.util.Types;
25 * Base Java file template. Contains a non-null type and imports which the generated code refers to.
27 class JavaFileTemplate {
28 private final AbstractJavaGeneratedType javaType;
29 private final GeneratedType type;
31 JavaFileTemplate(final GeneratedType type) {
32 this(new TopLevelJavaGeneratedType(type), type);
35 JavaFileTemplate(final AbstractJavaGeneratedType javaType, final GeneratedType type) {
36 this.javaType = requireNonNull(javaType);
37 this.type = requireNonNull(type);
40 final AbstractJavaGeneratedType javaType() {
44 final GeneratedType type() {
48 final GeneratedProperty findProperty(final GeneratedTransferObject gto, final String name) {
49 final Optional<GeneratedProperty> optProp = gto.getProperties().stream()
50 .filter(prop -> prop.getName().equals(name)).findFirst();
51 if (optProp.isPresent()) {
55 final GeneratedTransferObject parent = gto.getSuperType();
56 return parent != null ? findProperty(parent, name) : null;
59 final String generateImportBlock() {
60 verify(javaType instanceof TopLevelJavaGeneratedType);
61 return ((TopLevelJavaGeneratedType) javaType).imports().map(name -> "import " + name + ";\n")
62 .collect(Collectors.joining());
65 final String importedName(final Type intype) {
66 return javaType.getReferenceString(intype);
69 final String importedName(final Class<?> cls) {
70 return importedName(Types.typeForClass(cls));
73 final String importedName(final JavaTypeName intype) {
74 return javaType.getReferenceString(intype);
77 final void addImport(final Class<?> cls) {
78 javaType.getReferenceString(JavaTypeName.create(cls));
81 // Exposed for BuilderTemplate
82 boolean isLocalInnerClass(final JavaTypeName name) {
83 final Optional<JavaTypeName> optEnc = name.immediatelyEnclosingClass();
84 return optEnc.isPresent() && type.getIdentifier().equals(optEnc.get());
87 final CharSequence generateInnerClass(final GeneratedType innerClass) {
88 if (!(innerClass instanceof GeneratedTransferObject)) {
92 final GeneratedTransferObject gto = (GeneratedTransferObject) innerClass;
93 final NestedJavaGeneratedType innerJavaType = javaType.getEnclosedType(innerClass.getIdentifier());
94 return gto.isUnionType() ? new UnionTemplate(innerJavaType, gto).generateAsInnerClass()
95 : new ClassTemplate(innerJavaType, gto).generateAsInnerClass();
98 static final Restrictions restrictionsForSetter(final Type actualType) {
99 return actualType instanceof GeneratedType ? null : getRestrictions(actualType);
102 static final Restrictions getRestrictions(final Type type) {
103 if (type instanceof ConcreteType) {
104 return ((ConcreteType) type).getRestrictions();
106 if (type instanceof GeneratedTransferObject) {
107 return ((GeneratedTransferObject) type).getRestrictions();