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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 58 import freemarker.template.SimpleHash; 59 import freemarker.template.SimpleScalar; 60 import freemarker.template.TemplateMethodModel; 61 import freemarker.template.TemplateModel; 62 import freemarker.template.TemplateModelException; 63 import java.util.List; 64 import org.apache.ecs.html.Head; 65 import org.apache.turbine.services.TurbineServices; 66 import org.apache.turbine.services.resources.TurbineResources; 67 import org.apache.turbine.util.Log; 68 import org.apache.turbine.util.RunData; 69 import org.apache.turbine.util.TurbineException; 70 71 72 /*** 73 * Returns output of a Navigation module. Extension of FreeMarker. 74 * 75 * @author <a href="mailto:john.mcnally@clearink.com">John D. McNally</a> 76 * @version $Id: AddTemplatesToHeadModel.java,v 1.3 2002/07/11 16:53:28 mpoeschl Exp $ 77 * @deprecated 78 */ 79 public class AddTemplatesToHeadModel 80 implements TemplateMethodModel 81 { 82 private RunData data; 83 84 /*** 85 * Constructor. 86 * 87 * @param data Turbine information. 88 */ 89 public AddTemplatesToHeadModel(RunData data) 90 { 91 this.data = data; 92 } 93 94 /*** 95 * Method called by FreeMarker Template. 96 * 97 * @param args A List of Strings passed from the template. 98 * @return A TemplateModel with an empty SimpleScalar(""). 99 * @exception TemplateModelException. 100 */ 101 public TemplateModel exec(List args) 102 throws TemplateModelException 103 { 104 Head head = data.getPage().getHead(); 105 String returnValue = ""; 106 String serviceName = TurbineResources.getString("services.freemarker"); 107 FreeMarkerService fm = (FreeMarkerService) 108 TurbineServices.getInstance().getService(serviceName); 109 SimpleHash context = fm.getContext(data); 110 111 for (int i=0; i<args.size(); i++) 112 { 113 String name = (String)args.get(i); 114 try 115 { 116 head.addElement( fm.handleRequest(context, name, true) ); 117 head.addElement("\n"); 118 } 119 // We cannot pass this exception, because this methods overrides 120 // a method from interface defined by FreeMarker. 121 catch(TurbineException te) 122 { 123 // make sure the stack trace makes it to the log 124 Log.error(te); 125 126 throw new TemplateModelException("An error occured while rendering template "+name+":\n"+te); 127 } 128 } 129 return new SimpleScalar(returnValue); 130 } 131 132 /*** 133 * Required method in TemplateMethodModel, not implemented. 134 * 135 * @return Always false. 136 */ 137 public boolean isEmpty() 138 { 139 return false; 140 } 141 142 143 /* 144 * This unfinished method loads the file from filesytem instead of 145 * cache. 146 147 // 148 // Required method in TemplateMethodModel, not implemented. 149 // 150 // @param args A List of Strings passed from the template. 151 // @return A TemplateModel with an empty SimpleScalar(""). 152 // @exception TemplateModelException. 153 // 154 public TemplateModel exec(ArgumentList args) 155 throws TemplateModelException 156 { 157 Head head = data.getPage().getHead(); 158 String returnValue = ""; 159 for (int i=0; i<args.size(); i++) 160 { 161 String serviceName = TurbineResources.getString("services.freemarker"); 162 FreeMarkerService fm = (FreeMarkerService) 163 TurbineServices.getInstance().getService(serviceName); 164 String path = fm.getBasePath(); 165 File file = null; 166 FileReader reader = null; 167 BufferedReader br = null; 168 try 169 { 170 file = new File(path, (String)args.get(i)); 171 reader = new FileReader(file); 172 br = new BufferedReader(reader); 173 String line = null; 174 do 175 { 176 line = br.readline(); 177 if (line != null) 178 { 179 head.addElement(line); 180 } 181 } 182 while (line != null); 183 head.addElement("\n"); 184 } 185 return new SimpleScalar(returnValue); 186 } 187 } 188 */ 189 }

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