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1 /* 2 * Copyright (c) 2003 Scott Howlett & Paul Libbrecht. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * 17 * 3. The end-user documentation included with the redistribution, 18 * if any, must include the following acknowledgment: 19 * "This product includes software developed by the Xwing 20 * Project ( http://xwing.sourceforge.net/ )." 21 * Alternately, this acknowledgment may appear in the software itself, 22 * if and wherever such third-party acknowledgments normally appear. 23 * 24 * 4. The name "Xwing" must not be used to endorse or promote products 25 * derived from this software without prior written permission. For 26 * written permission, please contact the project authors via 27 * the Xwing project site, http://xwing.sourceforge.net/ . 28 * 29 * 5. Products derived from this software may not be called "Xwing", 30 * nor may "Xwing" appear in their name, without prior written 31 * permission of the Xwing project. 32 * 33 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 34 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 35 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 36 * DISCLAIMED. IN NO EVENT SHALL THE XWING AUTHORS OR THE PROJECT 37 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 38 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 39 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 40 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 41 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 42 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 43 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 44 * SUCH DAMAGE. 45 * 46 * For more information on Xwing, please see 47 * < http://xwing.sourceforge.net/ >. 48 */ 49 50 package net.sourceforge.xwing.jelly.tags.util; 51 52 import java.io.File; 53 54 import org.apache.commons.jelly.JellyTagException; 55 import org.apache.commons.jelly.MissingAttributeException; 56 import org.apache.commons.jelly.TagSupport; 57 import org.apache.commons.jelly.XMLOutput; 58 import org.apache.commons.lang.StringUtils; 59 60 public class FileTag extends TagSupport { 61 62 private String var; 63 private File file; 64 private String path; 65 private String extension; 66 67 public void doTag(XMLOutput arg) throws JellyTagException { 68 File theFile = null; 69 70 if (var == null) { 71 throw new MissingAttributeException("var"); 72 } 73 74 if (path == null && file == null) { 75 throw new JellyTagException("file tag must set " + "path or file"); 76 } 77 78 if (file != null) { 79 theFile = path == null ? file : new File(file, path); 80 } else { 81 theFile = new File(path); 82 } 83 84 if (extension != null) { 85 String ext = StringUtils.split(extension, ",")[0].trim(); 86 if (!ext.startsWith(".")) { 87 ext = "." + ext; 88 } 89 if (!theFile.getName().toLowerCase().endsWith(ext.toLowerCase())) { 90 theFile = new File(theFile.getPath() + ext); 91 } 92 } 93 94 context.setVariable(var, theFile); 95 } 96 97 public void setVar(String var) { 98 this.var = var; 99 } 100 101 public void setFile(File file) { 102 this.file = file; 103 } 104 105 public void setPath(String path) { 106 this.path = path; 107 } 108 109 public void setExtension(String string) { 110 extension = string; 111 } 112 113 }

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