JWhileLoop.java

/**
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 * Portions Copyright 2013-2017 Philip Helger + contributors
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
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package com.helger.jcodemodel;

import javax.annotation.Nonnull;

/**
 * While statement
 */
public class JWhileLoop implements IJStatement
{
  /**
   * Test part of While statement for determining exit state
   */
  private final IJExpression m_aTextExpr;

  /**
   * JBlock of statements which makes up body of this While statement
   */
  private JBlock m_aBody;

  /**
   * Construct a While statement
   *
   * @param aTestExpr
   *        Test expression to use.
   */
  protected JWhileLoop (@Nonnull final IJExpression aTestExpr)
  {
    m_aTextExpr = aTestExpr;
  }

  @Nonnull
  public IJExpression test ()
  {
    return m_aTextExpr;
  }

  @Nonnull
  public JBlock body ()
  {
    if (m_aBody == null)
      m_aBody = new JBlock ();
    return m_aBody;
  }

  public void state (@Nonnull final JFormatter f)
  {
    if (JOp.hasTopOp (m_aTextExpr))
    {
      f.print ("while ").generable (m_aTextExpr);
    }
    else
    {
      f.print ("while (").generable (m_aTextExpr).print (')');
    }
    if (m_aBody != null)
      f.statement (m_aBody);
    else
      f.print (';').newline ();
  }
}