1 files changed, 90 insertions, 0 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/nodeTypes/NodeWithThrownExceptions.java b/javaparser-core/src/main/java/com/github/javaparser/ast/nodeTypes/NodeWithThrownExceptions.java
new file mode 100644
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--- /dev/null
+++ b/javaparser-core/src/main/java/com/github/javaparser/ast/nodeTypes/NodeWithThrownExceptions.java
@@ -0,0 +1,90 @@
+/*
+ * 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.nodeTypes;
+
+import com.github.javaparser.ast.Node;
+import com.github.javaparser.ast.NodeList;
+import com.github.javaparser.ast.type.ReferenceType;
+
+import static com.github.javaparser.JavaParser.parseClassOrInterfaceType;
+
+/**
+ * A node that declares the types of exception it throws.
+ */
+public interface NodeWithThrownExceptions<N extends Node> {
+    N setThrownExceptions(NodeList<ReferenceType> thrownExceptions);
+
+    NodeList<ReferenceType> getThrownExceptions();
+
+    void tryAddImportToParentCompilationUnit(Class<?> clazz);
+
+    default ReferenceType getThrownException(int i) {
+        return getThrownExceptions().get(i);
+    }
+
+    /**
+     * Adds this type to the throws clause
+     *
+     * @param throwType the exception type
+     * @return this
+     */
+    @SuppressWarnings("unchecked")
+    default N addThrownException(ReferenceType throwType) {
+        getThrownExceptions().add(throwType);
+        return (N) this;
+    }
+
+    /**
+     * Adds this class to the throws clause
+     *
+     * @param clazz the exception class
+     * @return this
+     */
+    default N addThrownException(Class<? extends Throwable> clazz) {
+        tryAddImportToParentCompilationUnit(clazz);
+        return addThrownException(parseClassOrInterfaceType(clazz.getSimpleName()));
+    }
+
+    /**
+     * Check whether this elements throws this exception class.
+     * Note that this is simply a text compare of the simple name of the class,
+     * no actual type resolution takes place.
+     *
+     * @param clazz the class of the exception
+     * @return true if found in throws clause, false if not
+     */
+    default boolean isThrown(Class<? extends Throwable> clazz) {
+        return isThrown(clazz.getSimpleName());
+    }
+
+    /**
+     * Check whether this elements throws this exception class
+     * Note that this is simply a text compare,
+     * no actual type resolution takes place.
+     *
+     * @param throwableName the class of the exception
+     * @return true if found in throws clause, false if not
+     */
+    default boolean isThrown(String throwableName) {
+        return getThrownExceptions().stream().anyMatch(t -> t.toString().equals(throwableName));
+    }
+}