001 /* 002 $Id: BlockStatement.java,v 1.6 2003/12/23 10:54:11 jstrachan Exp $ 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.Arrays; 050 import java.util.Iterator; 051 import java.util.List; 052 053 import org.codehaus.groovy.ast.GroovyCodeVisitor; 054 055 /** 056 * A list of statements 057 * 058 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> 059 * @version $Revision: 1.6 $ 060 */ 061 public class BlockStatement extends Statement { 062 063 private List statements; 064 065 public BlockStatement() { 066 this(new ArrayList()); 067 } 068 069 public BlockStatement(List statements) { 070 this.statements = statements; 071 } 072 073 public BlockStatement(Statement[] statements) { 074 this(); 075 this.statements.addAll(Arrays.asList(statements)); 076 } 077 078 public void visit(GroovyCodeVisitor visitor) { 079 visitor.visitBlockStatement(this); 080 } 081 082 public List getStatements() { 083 return statements; 084 } 085 086 public void addStatement(Statement statement) { 087 statements.add(statement); 088 } 089 090 public void addStatements(List listOfStatements) { 091 statements.addAll(listOfStatements); 092 } 093 094 public String toString() { 095 return super.toString() + statements; 096 } 097 098 public String getText() { 099 StringBuffer buffer = new StringBuffer("{ "); 100 boolean first = true; 101 for (Iterator iter = statements.iterator(); iter.hasNext(); ) { 102 if (first) { 103 first = false; 104 } 105 else { 106 buffer.append("; "); 107 } 108 Statement statement = (Statement) iter.next(); 109 buffer.append(statement.getText()); 110 } 111 buffer.append(" }"); 112 return buffer.toString(); 113 } 114 115 public boolean isEmpty() { 116 return statements.isEmpty(); 117 } 118 119 }