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 /**
  29  * ForEach Statement
  30  * This will generate the code for statement based on the new
  31  * j2se 1.5 j.l.s.
  32  *
  33  * @author Bhakti
  34  */
  35 public final class JForEach implements JStatement {
  36 
  37         private final JType type;
  38         private final String var;
  39         private JBlock body = null; // lazily created
  40         private final JExpression collection;
  41     private final JVar loopVar;
  42 
  43         public JForEach(JType vartype, String variable, JExpression collection) {
  44 
  45                 this.type = vartype;
  46                 this.var = variable;
  47                 this.collection = collection;
  48         loopVar = new JVar(JMods.forVar(JMod.NONE), type, var, collection);
  49     }
  50 
  51 
  52     /**
  53      * Returns a reference to the loop variable.
  54      */
  55         public JVar var() {
  56                 return loopVar;
  57         }
  58 
  59         public JBlock body() {
  60                 if (body == null)
  61                         body = new JBlock();
  62                 return body;
  63         }
  64 
  65         public void state(JFormatter f) {
  66                 f.p("for (");
  67                 f.g(type).id(var).p(": ").g(collection);
  68                 f.p(')');
  69                 if (body != null)
  70                         f.g(body).nl();
  71                 else
  72                         f.p(';').nl();
  73         }
  74 
  75 }