dion 2003/07/30 22:14:21 Added: src/java/org/apache/maven/jelly/tags/maven ParamCheck.java Log: Add param-check tag as a replacement for the one in driver.jelly. See MAVEN-623 Revision Changes Path 1.1 maven/src/java/org/apache/maven/jelly/tags/maven/ParamCheck.java Index: ParamCheck.java =================================================================== package org.apache.maven.jelly.tags.maven; /* ==================================================================== * The Apache Software License, Version 1.1 * * Copyright (c) 2002 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 "Apache" and "Apache Software Foundation" and * "Apache Maven" must not be used to endorse or promote products * derived from this software without prior written permission. For * written permission, please contact [EMAIL PROTECTED] * * 5. Products derived from this software may not be called "Apache", * "Apache Maven", 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. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * * ==================================================================== */ import org.apache.commons.jelly.JellyTagException; import org.apache.commons.jelly.XMLOutput; import org.apache.maven.jelly.tags.BaseTagSupport; /** * @author dion */ public class ParamCheck extends BaseTagSupport { /** the value to check */ private String value; /** the message to display when value is empty */ private String message; /** whether to fail or not */ private boolean fail; /* (non-Javadoc) * @see org.apache.commons.jelly.Tag#doTag(org.apache.commons.jelly.XMLOutput) */ public void doTag(XMLOutput output) throws JellyTagException { if (value == null || value.trim().equals("")) { if (fail) { throw new JellyTagException( getMessage() ); } else { System.out.println( getMessage() ); } } } /** * @param failOrNot whether this tag should throw an exception if the value is empty */ public void setFail(boolean failOrNot) { fail = failOrNot; } /** * @return the message field if not null, or the body of the tag if it is */ public String getMessage() throws JellyTagException { if (message == null) { return getBodyText(); } else { return message; } } /** * @param string the message to display when the value is empty */ public void setMessage(String string) { message = string; } /** * @param string the value to check */ public void setValue(String string) { value = string; } }
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