1 /* 2 * Copyright (C) 2007-2010 Júlio Vilmar Gesser. 3 * Copyright (C) 2011, 2013-2016 The JavaParser Team. 4 * 5 * This file is part of JavaParser. 6 * 7 * JavaParser can be used either under the terms of 8 * a) the GNU Lesser General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * b) the terms of the Apache License 12 * 13 * You should have received a copy of both licenses in LICENCE.LGPL and 14 * LICENCE.APACHE. Please refer to those files for details. 15 * 16 * JavaParser is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU Lesser General Public License for more details. 20 */ 21 22 package com.github.javaparser.ast.nodeTypes; 23 24 import com.github.javaparser.ast.Node; 25 import com.github.javaparser.ast.NodeList; 26 import com.github.javaparser.ast.type.ReferenceType; 27 28 import static com.github.javaparser.StaticJavaParser.parseClassOrInterfaceType; 29 30 /** 31 * A node that declares the types of exception it throws. 32 */ 33 public interface NodeWithThrownExceptions<N extends Node> { setThrownExceptions(NodeList<ReferenceType> thrownExceptions)34 N setThrownExceptions(NodeList<ReferenceType> thrownExceptions); 35 getThrownExceptions()36 NodeList<ReferenceType> getThrownExceptions(); 37 tryAddImportToParentCompilationUnit(Class<?> clazz)38 void tryAddImportToParentCompilationUnit(Class<?> clazz); 39 getThrownException(int i)40 default ReferenceType getThrownException(int i) { 41 return getThrownExceptions().get(i); 42 } 43 44 /** 45 * Adds this type to the throws clause 46 * 47 * @param throwType the exception type 48 * @return this 49 */ 50 @SuppressWarnings("unchecked") addThrownException(ReferenceType throwType)51 default N addThrownException(ReferenceType throwType) { 52 getThrownExceptions().add(throwType); 53 return (N) this; 54 } 55 56 /** 57 * Adds this class to the throws clause 58 * 59 * @param clazz the exception class 60 * @return this 61 */ addThrownException(Class<? extends Throwable> clazz)62 default N addThrownException(Class<? extends Throwable> clazz) { 63 tryAddImportToParentCompilationUnit(clazz); 64 return addThrownException(parseClassOrInterfaceType(clazz.getSimpleName())); 65 } 66 67 /** 68 * Check whether this elements throws this exception class. 69 * Note that this is simply a text compare of the simple name of the class, 70 * no actual type resolution takes place. 71 * 72 * @param clazz the class of the exception 73 * @return true if found in throws clause, false if not 74 */ isThrown(Class<? extends Throwable> clazz)75 default boolean isThrown(Class<? extends Throwable> clazz) { 76 return isThrown(clazz.getSimpleName()); 77 } 78 79 /** 80 * Check whether this elements throws this exception class 81 * Note that this is simply a text compare, 82 * no actual type resolution takes place. 83 * 84 * @param throwableName the class of the exception 85 * @return true if found in throws clause, false if not 86 */ isThrown(String throwableName)87 default boolean isThrown(String throwableName) { 88 return getThrownExceptions().stream().anyMatch(t -> t.toString().equals(throwableName)); 89 } 90 } 91