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1 /* 2 * $Header: /home/cvs/jakarta-commons-sandbox/jelly/src/taglibs/beanshell/src/java/org/apache/commons/jelly/tags/beanshell/BeanShellExpressionFactory.java,v 1.1 2002/05/21 07:58:55 jstrachan Exp $ 3 * $Revision: 1.1 $ 4 * $Date: 2002/05/21 07:58:55 $ 5 * 6 * ==================================================================== 7 * 8 * The Apache Software License, Version 1.1 9 * 10 * Copyright (c) 1999-2002 The Apache Software Foundation. All rights 11 * reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in 22 * the documentation and/or other materials provided with the 23 * distribution. 24 * 25 * 3. The end-user documentation included with the redistribution, if 26 * any, must include the following acknowlegement: 27 * "This product includes software developed by the 28 * Apache Software Foundation (http://www.apache.org/)." 29 * Alternately, this acknowlegement may appear in the software itself, 30 * if and wherever such third-party acknowlegements normally appear. 31 * 32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software 33 * Foundation" must not be used to endorse or promote products derived 34 * from this software without prior written permission. For written 35 * permission, please contact apache@apache.org. 36 * 37 * 5. Products derived from this software may not be called "Apache" 38 * nor may "Apache" appear in their names without prior written 39 * permission of the Apache Group. 40 * 41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 52 * SUCH DAMAGE. 53 * ==================================================================== 54 * 55 * This software consists of voluntary contributions made by many 56 * individuals on behalf of the Apache Software Foundation. For more 57 * information on the Apache Software Foundation, please see 58 * <http://www.apache.org/>;. 59 * 60 * $Id: BeanShellExpressionFactory.java,v 1.1 2002/05/21 07:58:55 jstrachan Exp $ 61 */ 62 package org.apache.commons.jelly.tags.validate; 63 64 import junit.framework.AssertionFailedError; 65 66 import org.apache.commons.jelly.XMLOutput; 67 68 import org.xml.sax.ErrorHandler; 69 import org.xml.sax.SAXException; 70 import org.xml.sax.SAXParseException; 71 import org.xml.sax.helpers.AttributesImpl; 72 73 /*** 74 * This tag performs an assertion that the tags body contains XML 75 * which matches a givem schema validation. This tag is used with 76 * JellyUnit to implement an assertion. 77 * 78 * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> 79 * @version $Revision: 1.1 $ 80 */ 81 public class AssertValidTag extends ValidateTag { 82 83 private StringBuffer buffer = new StringBuffer(); 84 85 86 /* 87 public AssertValidTag() { 88 setErrorHandler( 89 new ErrorHandler() { 90 public void error(SAXParseException exception) throws SAXException { 91 outputException(output, "error", exception); 92 } 93 94 public void fatalError(SAXParseException exception) throws SAXException { 95 outputException(output, "fatalError", exception); 96 } 97 98 public void warning(SAXParseException exception) throws SAXException { 99 outputException(output, "warning", exception); 100 } 101 } 102 ); 103 } 104 */ 105 // Tag interface 106 //------------------------------------------------------------------------- 107 public void doTag(final XMLOutput output) throws Exception { 108 buffer.setLength(0); 109 super.doTag(output); 110 } 111 112 // Implementation methods 113 //------------------------------------------------------------------------- 114 115 /*** 116 * Processes whether or not the document is valid. 117 * Derived classes can overload this method to do different things, such 118 * as to throw assertion exceptions etc. 119 */ 120 protected void handleValid(boolean valid) throws Exception { 121 super.handleValid(valid); 122 123 if ( ! valid ) { 124 String message = buffer.toString(); 125 throw new AssertionFailedError( "The XML is not valid according to the schema: " + message ); 126 } 127 } 128 129 /*** 130 * Outputs the given validation exception as XML to the output 131 */ 132 protected void outputException(XMLOutput output, String name, SAXParseException e) throws SAXException { 133 buffer.append( name ); 134 buffer.append( " : line: " ); 135 buffer.append( e.getLineNumber() ); 136 buffer.append( " column: " ); 137 buffer.append( e.getColumnNumber() ); 138 buffer.append( " message: " ); 139 buffer.append( e.getMessage() ); 140 buffer.append( '\n' ); 141 } 142 143 }

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