1 /* 2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.codemodel.internal; 27 28 import java.util.ArrayList; 29 import java.util.Iterator; 30 import java.util.List; 31 32 /** 33 * Switch statement 34 */ 35 public final class JSwitch implements JStatement { 36 37 /** 38 * Test part of switch statement. 39 */ 40 private JExpression test; 41 42 /** 43 * vector of JCases. 44 */ 45 private List<JCase> cases = new ArrayList<JCase>(); 46 47 /** 48 * a single default case 49 */ 50 private JCase defaultCase = null; 51 52 /** 53 * Construct a While statment 54 */ 55 JSwitch(JExpression test) { 56 this.test = test; 57 } 58 59 public JExpression test() { return test; } 60 61 public Iterator<JCase> cases() { return cases.iterator(); } 62 63 public JCase _case( JExpression label ) { 64 JCase c = new JCase( label ); 65 cases.add(c); 66 return c; 67 } 68 69 public JCase _default() { 70 // what if (default != null) ??? 71 72 // default cases statements don't have a label 73 defaultCase = new JCase(null, true); 74 return defaultCase; 75 } 76 77 public void state(JFormatter f) { 78 if (JOp.hasTopOp(test)) { 79 f.p("switch ").g(test).p(" {").nl(); 80 } else { 81 f.p("switch (").g(test).p(')').p(" {").nl(); 82 } 83 for( JCase c : cases ) 84 f.s(c); 85 if( defaultCase != null ) 86 f.s( defaultCase ); 87 f.p('}').nl(); 88 } 89 90 }