| /* |
| * Copyright 2002,2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.jelly.tags.sql; |
| |
| import javax.servlet.jsp.jstl.sql.SQLExecutionTag; |
| |
| import org.apache.commons.jelly.JellyTagException; |
| import org.apache.commons.jelly.TagSupport; |
| import org.apache.commons.jelly.XMLOutput; |
| import org.apache.commons.jelly.tags.Resources; |
| |
| /** |
| * <p>Tag handler for <Param> in JSTL, used to set |
| * parameter values for a SQL statement.</p> |
| * |
| * @author Hans Bergsten |
| */ |
| |
| public class ParamTag extends TagSupport { |
| protected Object value; |
| |
| |
| public void setValue(Object value) { |
| this.value = value; |
| } |
| |
| //********************************************************************* |
| // Tag logic |
| |
| public void doTag(XMLOutput output) throws JellyTagException { |
| SQLExecutionTag parent = |
| (SQLExecutionTag) findAncestorWithClass(this, SQLExecutionTag.class); |
| if (parent == null) { |
| throw new JellyTagException(Resources.getMessage("SQL_PARAM_OUTSIDE_PARENT")); |
| } |
| |
| Object paramValue = value; |
| if (value != null) { |
| paramValue = value; |
| } |
| else { |
| String bodyContent = getBodyText(); |
| if (bodyContent != null) { |
| bodyContent = bodyContent.trim(); |
| if (bodyContent.length() > 0) { |
| paramValue = bodyContent; |
| } |
| } |
| } |
| |
| parent.addSQLParameter(paramValue); |
| } |
| } |