| 1 | /* |
|---|---|
| 2 | * Copyright (C) 2007-2010 JĂșlio Vilmar Gesser. |
| 3 | * Copyright (C) 2011, 2013-2020 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 | package com.github.javaparser.ast.stmt; |
| 22 | |
| 23 | import com.github.javaparser.TokenRange; |
| 24 | import com.github.javaparser.ast.*; |
| 25 | import com.github.javaparser.ast.body.Parameter; |
| 26 | import com.github.javaparser.ast.expr.AnnotationExpr; |
| 27 | import com.github.javaparser.ast.expr.SimpleName; |
| 28 | import com.github.javaparser.ast.nodeTypes.NodeWithBlockStmt; |
| 29 | import com.github.javaparser.ast.observer.ObservableProperty; |
| 30 | import com.github.javaparser.ast.type.ClassOrInterfaceType; |
| 31 | import com.github.javaparser.ast.visitor.CloneVisitor; |
| 32 | import com.github.javaparser.ast.visitor.GenericVisitor; |
| 33 | import com.github.javaparser.ast.visitor.VoidVisitor; |
| 34 | import com.github.javaparser.metamodel.CatchClauseMetaModel; |
| 35 | import com.github.javaparser.metamodel.JavaParserMetaModel; |
| 36 | import static com.github.javaparser.utils.Utils.assertNotNull; |
| 37 | import com.github.javaparser.ast.Node; |
| 38 | import com.github.javaparser.ast.Generated; |
| 39 | |
| 40 | /** |
| 41 | * The catch part of a try-catch-finally. <br>In {@code try { ... } catch (Exception e) { ... }} the CatchClause |
| 42 | * is {@code catch (Exception e) { ... }}. Exception e is the parameter. The { ... } is the body. |
| 43 | * |
| 44 | * @author Julio Vilmar Gesser |
| 45 | */ |
| 46 | public class CatchClause extends Node implements NodeWithBlockStmt<CatchClause> { |
| 47 | |
| 48 | private Parameter parameter; |
| 49 | |
| 50 | private BlockStmt body; |
| 51 | |
| 52 | public CatchClause() { |
| 53 | this(null, new Parameter(), new BlockStmt()); |
| 54 | } |
| 55 | |
| 56 | public CatchClause(final NodeList<Modifier> exceptModifier, final NodeList<AnnotationExpr> exceptAnnotations, final ClassOrInterfaceType exceptType, final SimpleName exceptName, final BlockStmt body) { |
| 57 | this(null, new Parameter(null, exceptModifier, exceptAnnotations, exceptType, false, new NodeList<>(), exceptName), body); |
| 58 | } |
| 59 | |
| 60 | @AllFieldsConstructor |
| 61 | public CatchClause(final Parameter parameter, final BlockStmt body) { |
| 62 | this(null, parameter, body); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * This constructor is used by the parser and is considered private. |
| 67 | */ |
| 68 | @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator") |
| 69 | public CatchClause(TokenRange tokenRange, Parameter parameter, BlockStmt body) { |
| 70 | super(tokenRange); |
| 71 | setParameter(parameter); |
| 72 | setBody(body); |
| 73 | customInitialization(); |
| 74 | } |
| 75 | |
| 76 | @Override |
| 77 | @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") |
| 78 | public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) { |
| 79 | return v.visit(this, arg); |
| 80 | } |
| 81 | |
| 82 | @Override |
| 83 | @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") |
| 84 | public <A> void accept(final VoidVisitor<A> v, final A arg) { |
| 85 | v.visit(this, arg); |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | * Note that the type of the Parameter can be a UnionType. In this case, any annotations found at the start of the |
| 90 | * catch(@X A a |...) are found directly in the Parameter. Annotations that are on the second or later type - |
| 91 | * catch(A a | @X B b ...) are found on those types. |
| 92 | */ |
| 93 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 94 | public Parameter getParameter() { |
| 95 | return parameter; |
| 96 | } |
| 97 | |
| 98 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 99 | public CatchClause setParameter(final Parameter parameter) { |
| 100 | assertNotNull(parameter); |
| 101 | if (parameter == this.parameter) { |
| 102 | return (CatchClause) this; |
| 103 | } |
| 104 | notifyPropertyChange(ObservableProperty.PARAMETER, this.parameter, parameter); |
| 105 | if (this.parameter != null) |
| 106 | this.parameter.setParentNode(null); |
| 107 | this.parameter = parameter; |
| 108 | setAsParentNodeOf(parameter); |
| 109 | return this; |
| 110 | } |
| 111 | |
| 112 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 113 | public BlockStmt getBody() { |
| 114 | return body; |
| 115 | } |
| 116 | |
| 117 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 118 | public CatchClause setBody(final BlockStmt body) { |
| 119 | assertNotNull(body); |
| 120 | if (body == this.body) { |
| 121 | return (CatchClause) this; |
| 122 | } |
| 123 | notifyPropertyChange(ObservableProperty.BODY, this.body, body); |
| 124 | if (this.body != null) |
| 125 | this.body.setParentNode(null); |
| 126 | this.body = body; |
| 127 | setAsParentNodeOf(body); |
| 128 | return this; |
| 129 | } |
| 130 | |
| 131 | @Override |
| 132 | @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") |
| 133 | public boolean remove(Node node) { |
| 134 | if (node == null) |
| 135 | return false; |
| 136 | return super.remove(node); |
| 137 | } |
| 138 | |
| 139 | @Override |
| 140 | @Generated("com.github.javaparser.generator.core.node.CloneGenerator") |
| 141 | public CatchClause clone() { |
| 142 | return (CatchClause) accept(new CloneVisitor(), null); |
| 143 | } |
| 144 | |
| 145 | @Override |
| 146 | @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator") |
| 147 | public CatchClauseMetaModel getMetaModel() { |
| 148 | return JavaParserMetaModel.catchClauseMetaModel; |
| 149 | } |
| 150 | |
| 151 | @Override |
| 152 | @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator") |
| 153 | public boolean replace(Node node, Node replacementNode) { |
| 154 | if (node == null) |
| 155 | return false; |
| 156 | if (node == body) { |
| 157 | setBody((BlockStmt) replacementNode); |
| 158 | return true; |
| 159 | } |
| 160 | if (node == parameter) { |
| 161 | setParameter((Parameter) replacementNode); |
| 162 | return true; |
| 163 | } |
| 164 | return super.replace(node, replacementNode); |
| 165 | } |
| 166 | } |
| 167 |
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