001: /*
002: $Id: SwitchStatement.java 3104 2005-11-13 16:42:14Z blackdrag $
003:
004: Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.
005:
006: Redistribution and use of this software and associated documentation
007: ("Software"), with or without modification, are permitted provided
008: that the following conditions are met:
009:
010: 1. Redistributions of source code must retain copyright
011: statements and notices. Redistributions must also contain a
012: copy of this document.
013:
014: 2. Redistributions in binary form must reproduce the
015: above copyright notice, this list of conditions and the
016: following disclaimer in the documentation and/or other
017: materials provided with the distribution.
018:
019: 3. The name "groovy" must not be used to endorse or promote
020: products derived from this Software without prior written
021: permission of The Codehaus. For written permission,
022: please contact info@codehaus.org.
023:
024: 4. Products derived from this Software may not be called "groovy"
025: nor may "groovy" appear in their names without prior written
026: permission of The Codehaus. "groovy" is a registered
027: trademark of The Codehaus.
028:
029: 5. Due credit should be given to The Codehaus -
030: http://groovy.codehaus.org/
031:
032: THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS
033: ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
034: NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
035: FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
036: THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
037: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
038: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
039: SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
040: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
041: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
042: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
043: OF THE POSSIBILITY OF SUCH DAMAGE.
044:
045: */
046: package org.codehaus.groovy.ast.stmt;
047:
048: import java.util.ArrayList;
049: import java.util.List;
050:
051: import org.codehaus.groovy.ast.GroovyCodeVisitor;
052: import org.codehaus.groovy.ast.expr.Expression;
053:
054: /**
055: * Represents a switch (object) { case value: ... case [1, 2, 3]: ... default: ... } statement in Groovy.
056: *
057: * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
058: * @version $Revision: 3104 $
059: */
060: public class SwitchStatement extends Statement {
061:
062: private Expression expression;
063: private List caseStatements = new ArrayList();
064: private Statement defaultStatement;
065:
066: public SwitchStatement(Expression expression) {
067: this (expression, EmptyStatement.INSTANCE);
068: }
069:
070: public SwitchStatement(Expression expression,
071: Statement defaultStatement) {
072: this .expression = expression;
073: this .defaultStatement = defaultStatement;
074: }
075:
076: public SwitchStatement(Expression expression, List caseStatements,
077: Statement defaultStatement) {
078: this .expression = expression;
079: this .caseStatements = caseStatements;
080: this .defaultStatement = defaultStatement;
081: }
082:
083: public void visit(GroovyCodeVisitor visitor) {
084: visitor.visitSwitch(this );
085: }
086:
087: public List getCaseStatements() {
088: return caseStatements;
089: }
090:
091: public Expression getExpression() {
092: return expression;
093: }
094:
095: public void setExpression(Expression e) {
096: expression = e;
097: }
098:
099: public Statement getDefaultStatement() {
100: return defaultStatement;
101: }
102:
103: public void setDefaultStatement(Statement defaultStatement) {
104: this .defaultStatement = defaultStatement;
105: }
106:
107: public void addCase(CaseStatement caseStatement) {
108: caseStatements.add(caseStatement);
109: }
110:
111: /**
112: * @return the case statement of the given index or null
113: */
114: public CaseStatement getCaseStatement(int idx) {
115: if (idx >= 0 && idx < caseStatements.size()) {
116: return (CaseStatement) caseStatements.get(idx);
117: }
118: return null;
119: }
120: }
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