/* * The Apache Software License, Version 1.1 * * * Copyright (c) 1999 The Apache Software Foundation.  All rights  * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer.  * * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * * 3. The end-user documentation included with the redistribution, *    if any, must include the following acknowledgment:   *       "This product includes software developed by the *        Apache Software Foundation (http://www.apache.org/)." *    Alternately, this acknowledgment may appear in the software itself, *    if and wherever such third-party acknowledgments normally appear. * * 4. The names "Xalan" and "Apache Software Foundation" must *    not be used to endorse or promote products derived from this *    software without prior written permission. For written  *    permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache", *    nor may "Apache" appear in their name, without prior written *    permission of the Apache Software Foundation. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation and was * originally based on software copyright (c) 1999, Lotus * Development Corporation., http://www.lotus.com.  For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. */package org.apache.xpath.operations;import org.apache.xpath.objects.XObject;import org.apache.xpath.objects.XBoolean;/** * The '<=' operation expression executer. */public class Lte extends Operation{  /**   * Apply the operation to two operands, and return the result.   *   *   * @param left non-null reference to the evaluated left operand.   * @param right non-null reference to the evaluated right operand.   *   * @return non-null reference to the XObject that represents the result of the operation.   *   * @throws javax.xml.transform.TransformerException   */  public XObject operate(XObject left, XObject right)          throws javax.xml.transform.TransformerException  {    return left.lessThanOrEqual(right) ? XBoolean.S_TRUE : XBoolean.S_FALSE;  }}