1 files changed, 195 insertions, 0 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/type/UnionType.java b/javaparser-core/src/main/java/com/github/javaparser/ast/type/UnionType.java
new file mode 100644
index 000000000..5fa78f10a
--- /dev/null
+++ b/javaparser-core/src/main/java/com/github/javaparser/ast/type/UnionType.java
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
+ * Copyright (C) 2011, 2013-2016 The JavaParser Team.
+ *
+ * This file is part of JavaParser.
+ *
+ * JavaParser can be used either under the terms of
+ * a) the GNU Lesser General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ * b) the terms of the Apache License
+ *
+ * You should have received a copy of both licenses in LICENCE.LGPL and
+ * LICENCE.APACHE. Please refer to those files for details.
+ *
+ * JavaParser is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ */
+package com.github.javaparser.ast.type;
+
+import com.github.javaparser.ast.AllFieldsConstructor;
+import com.github.javaparser.ast.NodeList;
+import com.github.javaparser.ast.expr.AnnotationExpr;
+import com.github.javaparser.ast.nodeTypes.NodeWithAnnotations;
+import com.github.javaparser.ast.observer.ObservableProperty;
+import com.github.javaparser.ast.visitor.GenericVisitor;
+import com.github.javaparser.ast.visitor.VoidVisitor;
+import java.util.Arrays;
+import java.util.List;
+import static com.github.javaparser.utils.Utils.assertNotNull;
+import static java.util.stream.Collectors.joining;
+import com.github.javaparser.ast.Node;
+import com.github.javaparser.ast.visitor.CloneVisitor;
+import com.github.javaparser.metamodel.NonEmptyProperty;
+import com.github.javaparser.metamodel.UnionTypeMetaModel;
+import com.github.javaparser.metamodel.JavaParserMetaModel;
+import javax.annotation.Generated;
+import com.github.javaparser.TokenRange;
+import com.github.javaparser.resolution.types.ResolvedReferenceType;
+import com.github.javaparser.resolution.types.ResolvedUnionType;
+import java.util.function.Consumer;
+import java.util.Optional;
+
+/**
+ * <h1>The union type</h1>
+ * Represents a set of types. A given value of this type has to be assignable to at least one of the element types.
+ * <h2>Java 1-6</h2>
+ * Does not exist.
+ * <h2>Java 7+</h2>
+ * As of Java 7 it is used in catch clauses.
+ * <pre><code>
+ * try {
+ * ...
+ * } catch(<b>IOException | NullPointerException ex</b>) {
+ * ...
+ * }
+ * </pre>
+ *
+ * The types that make up the union type are its "elements"
+ */
+public final class UnionType extends Type implements NodeWithAnnotations<UnionType> {
+
+    @NonEmptyProperty
+    private NodeList<ReferenceType> elements;
+
+    public UnionType() {
+        this(null, new NodeList<>());
+    }
+
+    /**
+     * This constructor is used by the parser and is considered private.
+     */
+    @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
+    public UnionType(TokenRange tokenRange, NodeList<ReferenceType> elements) {
+        super(tokenRange);
+        setElements(elements);
+        customInitialization();
+    }
+
+    @AllFieldsConstructor
+    public UnionType(NodeList<ReferenceType> elements) {
+        this(null, elements);
+    }
+
+    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
+    public NodeList<ReferenceType> getElements() {
+        return elements;
+    }
+
+    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
+    public UnionType setElements(final NodeList<ReferenceType> elements) {
+        assertNotNull(elements);
+        if (elements == this.elements) {
+            return (UnionType) this;
+        }
+        notifyPropertyChange(ObservableProperty.ELEMENTS, this.elements, elements);
+        if (this.elements != null)
+            this.elements.setParentNode(null);
+        this.elements = elements;
+        setAsParentNodeOf(elements);
+        return this;
+    }
+
+    @Override
+    public UnionType setAnnotations(NodeList<AnnotationExpr> annotations) {
+        return (UnionType) super.setAnnotations(annotations);
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
+    public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) {
+        return v.visit(this, arg);
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.AcceptGenerator")
+    public <A> void accept(final VoidVisitor<A> v, final A arg) {
+        v.visit(this, arg);
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
+    public boolean remove(Node node) {
+        if (node == null)
+            return false;
+        for (int i = 0; i < elements.size(); i++) {
+            if (elements.get(i) == node) {
+                elements.remove(i);
+                return true;
+            }
+        }
+        return super.remove(node);
+    }
+
+    @Override
+    public String asString() {
+        return elements.stream().map(Type::asString).collect(joining("|"));
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.CloneGenerator")
+    public UnionType clone() {
+        return (UnionType) accept(new CloneVisitor(), null);
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
+    public UnionTypeMetaModel getMetaModel() {
+        return JavaParserMetaModel.unionTypeMetaModel;
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
+    public boolean replace(Node node, Node replacementNode) {
+        if (node == null)
+            return false;
+        for (int i = 0; i < elements.size(); i++) {
+            if (elements.get(i) == node) {
+                elements.set(i, (ReferenceType) replacementNode);
+                return true;
+            }
+        }
+        return super.replace(node, replacementNode);
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
+    public boolean isUnionType() {
+        return true;
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
+    public UnionType asUnionType() {
+        return this;
+    }
+
+    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
+    public void ifUnionType(Consumer<UnionType> action) {
+        action.accept(this);
+    }
+
+    @Override
+    public ResolvedUnionType resolve() {
+        return getSymbolResolver().toResolvedType(this, ResolvedUnionType.class);
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
+    public Optional<UnionType> toUnionType() {
+        return Optional.of(this);
+    }
+}