View Javadoc

1   /*
2    * This file is part of Pease Plate Template Engine.
3    * 
4    * Pease Plate Template Engine is free software: you can redistribute
5    * it and/or modify it under the terms of the GNU Lesser General 
6    * Public License as published by the Free Software Foundation, 
7    * either version 3 of the License, or any later version.
8    * 
9    * Pease Plate Template Engine is distributed in the hope that it 
10   * will be useful, but WITHOUT ANY WARRANTY; without even the implied
11   * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12   * See the GNU Lesser General Public License for more details.
13   * 
14   * You should have received a copy of the GNU Lesser General Public 
15   * License along with Pease Plate Template Engine. If not, see 
16   * <http://www.gnu.org/licenses/>.
17   * 
18   * Copyright (c) 2008 Manfred HANTSCHEL
19   */
20  package org.peaseplate.internal.lang.command;
21  
22  import org.peaseplate.TemplateRuntimeException;
23  import org.peaseplate.internal.BuildContext;
24  import org.peaseplate.locator.TemplateLocator;
25  
26  public class AndCommand extends AbstractBooleanCommand {
27  
28  	public AndCommand(TemplateLocator locator, int line, int column, ICommand leftCommand, ICommand rightCommand) {
29  		super(locator, line, column, leftCommand, rightCommand);
30  	}
31  
32  	/**
33  	 * @see org.peaseplate.internal.lang.command.AbstractNumericCommand#getSign()
34  	 */
35  	@Override
36  	public String getSign() {
37  		return "&&";
38  	}
39  
40  	/**
41  	 * @see org.peaseplate.internal.lang.command.ICommand#call(BuildContext)
42  	 */
43  	public Object call(BuildContext context) throws TemplateRuntimeException {
44  		boolean leftValue = callBooleanLeftCommand(context);
45  		
46  		if (!leftValue)
47  			return Boolean.FALSE;
48  		
49  		boolean rightValue = callBooleanRightCommand(context);
50  		
51  		return Boolean.valueOf(leftValue && rightValue);
52  	}
53  	
54  }