/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.empire.struts2.jsp.tags;
import java.io.Writer;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.empire.commons.StringUtils;
import org.apache.empire.data.ColumnExpr;
import org.apache.struts2.components.Component;
import com.opensymphony.xwork2.util.ValueStack;
@SuppressWarnings("serial")
public class ParamTag extends EmpireValueTagSupport
{
public static class ParamComponent extends Component
{
public String name;
public String value;
public ParamComponent(ValueStack stack)
{
super(stack);
}
@Override
public boolean start(Writer writer)
{ // no body support
return false;
}
@Override
public boolean end(Writer writer, String body)
{
try {
Component component = findAncestor(Component.class);
if (component!=null)
{
component.addParameter(name, value);
}
} finally {
popComponentStack();
}
return false;
}
}
private Object name;
/*
* Clears all params since tag is reused
*/
@Override
protected void resetParams()
{
// Param Tag
name = null;
// Value
super.resetParams();
}
@Override
public Component getBean(ValueStack stack, HttpServletRequest req, HttpServletResponse res)
{
return new ParamComponent(stack);
}
@Override
protected void populateParams()
{
super.populateParams();
ParamComponent comp = (ParamComponent)component;
comp.name = getTagName(name);
comp.value = getStringValue();
}
public void setName(Object name)
{
this.name = name;
}
private String getTagName(Object name)
{
if (name instanceof ColumnExpr)
return ((ColumnExpr)name).getName();
if (name == null)
setPropertyNameFromValue();
// Call Base Class
return super.getTagName(StringUtils.toString(name));
}
}