/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.gui.legacy.taglib;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.tagext.TagSupport;
import org.apache.taglibs.standard.tag.common.core.NullAttributeException;
import org.apache.taglibs.standard.tag.el.core.ExpressionUtil;
/**
* Define a property of a spider object to be displayed in a column of each of the "from" and "to" tables in the Add To
* List widget.
*/
public class AddToListValuePropertyTag extends TagSupport {
//----------------------------------------------------instance variables
private String name;
private String value;
//----------------------------------------------------constructors
public AddToListValuePropertyTag() {
super();
}
//----------------------------------------------------public methods
/**
*/
public void setName(String name) {
this.name = name;
}
/**
*/
public void setValue(String value) {
this.value = value;
}
/**
*/
public int doEndTag() throws JspException {
Class clazz = AddToListValueTag.class;
AddToListValueTag ancestor = (AddToListValueTag) findAncestorWithClass(this, clazz);
if (ancestor == null) {
throw new JspException("no ancestor of class " + clazz);
}
try {
String value = (String) evalAttr("value", this.value, String.class);
ancestor.addProperty(name, value);
return EVAL_PAGE;
} catch (NullAttributeException ne) {
throw new JspException("bean " + this.value + " not found");
}
}
/**
* Release tag state.
*/
public void release() {
name = null;
value = null;
super.release();
}
private Object evalAttr(String name, String value, Class type) throws JspException, NullAttributeException {
return ExpressionUtil.evalNotNull("addToListValueProperty", name, value, type, this, pageContext);
}
}