?? nestedformtag.java
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/*
* $Id: NestedFormTag.java 54929 2004-10-16 16:38:42Z germuska $
*
* Copyright 1999-2004 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.struts.taglib.nested.html;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.jsp.JspException;
import org.apache.struts.taglib.html.FormTag;
import org.apache.struts.taglib.nested.NestedNameSupport;
import org.apache.struts.taglib.nested.NestedPropertyHelper;
/**
* NestedFormTag.
* @since Struts 1.1
* @version $Rev: 54929 $ $Date: 2004-10-16 17:38:42 +0100 (Sat, 16 Oct 2004) $
*/
public class NestedFormTag extends FormTag implements NestedNameSupport {
//TODO: name property was removed from FormTag but appears to be required
// for the nested version to work. See if it can be removed
// from here altogether.
/**
* The name
*/
protected String name = null;
/**
* Return the name.
*/
public String getName() {
return (this.name);
}
/**
* Set the name.
*
* @param name The new name
*/
public void setName(String name) {
this.name = name;
}
/**
* Get the string value of the "property" property.
* @return the property property
*/
public String getProperty() {
return "";
}
/**
* Setter for the "property" property
* @param newProperty new value for the property
*/
public void setProperty(String newProperty) {}
/**
* Overriding to allow the chance to set the details of the system, so that
* dynamic includes can be possible
* @return int JSP continuation directive.
*/
public int doStartTag() throws JspException {
// store original result
int temp = super.doStartTag();
HttpServletRequest request = (HttpServletRequest)pageContext.getRequest();
// original nesting details
originalNesting = NestedPropertyHelper.getCurrentProperty(request);
originalNestingName = NestedPropertyHelper.getCurrentName(request, this);
// some new details
NestedPropertyHelper.setProperty(request, null);
NestedPropertyHelper.setName(request, super.getBeanName());
// continue
return temp;
}
/**
* This is only overriden to clean up the include reference
* @return int JSP continuation directive.
*/
public int doEndTag() throws JspException {
// super result
int temp = super.doEndTag();
// all done. clean up
HttpServletRequest request = (HttpServletRequest)pageContext.getRequest();
// reset the original nesting values
if (originalNesting == null) {
NestedPropertyHelper.deleteReference(request);
} else {
NestedPropertyHelper.setProperty(request, originalNesting);
NestedPropertyHelper.setName(request, originalNestingName);
}
// return the super result
return temp;
}
/**
* Release the tag's resources and reset the values.
*/
public void release() {
// let the super release
super.release();
// reset the original value place holders
originalNesting = null;
originalNestingName = null;
}
// original nesting environment
private String originalNesting = null;
private String originalNestingName = null;
}
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