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1 package org.apache.turbine.services.freemarker; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache Turbine" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * "Apache Turbine", nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 import freemarker.template.SimpleScalar; 58 import freemarker.template.TemplateMethodModel; 59 import freemarker.template.TemplateModel; 60 import freemarker.template.TemplateModelException; 61 import java.util.List; 62 import org.apache.turbine.util.RunData; 63 64 /*** 65 * Returns output of a Navigation module. Extension of FreeMarker. 66 * 67 * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a> 68 * @version $Id: NavigationModel.java,v 1.4 2002/07/11 16:53:28 mpoeschl Exp $ 69 * @deprecated 70 */ 71 public class NavigationModel 72 implements TemplateMethodModel 73 { 74 private RunData data; 75 76 /*** 77 * Constructor 78 * 79 * @param data Turbine information. 80 */ 81 public NavigationModel(RunData data) 82 { 83 this.data = data; 84 } 85 86 /*** 87 * Method called by FreeMarker Template. A single argument which 88 * is the path to the navigation template is expected. 89 * 90 * @param args, A List of Strings passed from the template. 91 * @return A String representation of the Navigation contents. 92 * @exception TemplateModelException. 93 */ 94 public TemplateModel exec(List args) 95 throws TemplateModelException 96 { 97 String template = (String)args.get(0); 98 data.getTemplateInfo().setNavigationTemplate(template); 99 100 String module = null; 101 String returnValue = null; 102 103 /* 104 105 try 106 { 107 module = ((TemplateService)TurbineServices.getInstance().getService( 108 TemplateService.SERVICE_NAME)).getNavigationName(template); 109 returnValue = Turbine.getModuleLoader() 110 .getModule(Turbine.NAVIGATIONS, module).evaluate(data); } 111 catch (Exception e) 112 { 113 String message = "Error processing navigation template:" + 114 template + " using module: " + module; 115 Log.error(message, e); 116 returnValue = message; 117 } 118 119 */ 120 121 return new SimpleScalar(returnValue); 122 123 } 124 125 /*** 126 * Required method in TemplateMethodModel, not implemented. 127 * 128 * @return Always false. 129 */ 130 public boolean isEmpty() 131 { 132 return false; 133 } 134 }

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