/*
* Copyright 2004 original author or authors.
*
* 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.extremecomponents.table.tag;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
import org.extremecomponents.util.ExceptionUtils;
/**
* @jsp.tag name="parameter" display-name="ParameterTag" body-content="JSP"
* description="Append any attributes to the Sorting, Filtering,
* Pagination, and Form Submission. On the URL's will resolve to
* &name=value. On the <form>attribute will be added as hidden fields
* <input type=hidden name= value=>"
*
* @author Jeff Johnston
*/
public class ParameterTag extends TagSupport {
private String name;
private Object value;
/**
* @jsp.attribute description="The name of the parameter." required="true"
* rtexprvalue="true"
*/
public void setName(String name) {
this.name = name;
}
/**
* @jsp.attribute description="The value of the parameter." required="false"
* rtexprvalue="true"
*/
public void setValue(Object value) {
this.value = value;
}
public int doEndTag() throws JspException {
try {
if (TagUtils.isIteratingBody(this)) {
return EVAL_PAGE;
}
String name = TagUtils.evaluateExpressionAsString("name", this.name, pageContext);
Object value = TagUtils.evaluateExpressionAsObject("value", this.value, pageContext);
if (value == null) {
value = pageContext.getRequest().getParameterValues(name);
}
TagUtils.getModel(this).addParameter(name, value);
} catch (Exception e) {
throw new JspException("ParameterTag.doEndTag() Problem: " + ExceptionUtils.formatStackTrace(e));
}
return EVAL_PAGE;
}
public void release() {
name = null;
value = null;
super.release();
}
}