/*
* Copyright (c) 2003 The Visigoth Software Society. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowledgement:
* "This product includes software developed by the
* Visigoth Software Society (http://www.visigoths.org/)."
* Alternately, this acknowledgement may appear in the software itself,
* if and wherever such third-party acknowledgements normally appear.
*
* 4. Neither the name "FreeMarker", "Visigoth", nor any of the names of the
* project contributors may be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [email protected].
*
* 5. Products derived from this software may not be called "FreeMarker" or "Visigoth"
* nor may "FreeMarker" or "Visigoth" appear in their names
* without prior written permission of the Visigoth Software Society.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE VISIGOTH SOFTWARE SOCIETY OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Visigoth Software Society. For more
* information on the Visigoth Software Society, please see
* http://www.visigoths.org/
*/
package freemarker.ext.servlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;
import freemarker.template.*;
/**
* TemplateHashModel wrapper for a HttpServletRequest attributes.
* @author Attila Szegedi
* @version $Id: HttpRequestHashModel.java,v 1.16 2005/05/05 07:49:58 vsajip Exp $
*/
public final class HttpRequestHashModel implements TemplateHashModelEx
{
private final HttpServletRequest request;
private final HttpServletResponse response;
private final ObjectWrapper wrapper;
public HttpRequestHashModel(
HttpServletRequest request, ObjectWrapper wrapper)
{
this(request, null, wrapper);
}
public HttpRequestHashModel(
HttpServletRequest request, HttpServletResponse response,
ObjectWrapper wrapper)
{
this.request = request;
this.response = response;
this.wrapper = wrapper;
}
public TemplateModel get(String key) throws TemplateModelException
{
return wrapper.wrap(request.getAttribute(key));
}
public boolean isEmpty()
{
return !request.getAttributeNames().hasMoreElements();
}
public int size() {
int result = 0;
for (Enumeration enumeration = request.getAttributeNames(); enumeration.hasMoreElements();) {
enumeration.nextElement();
++result;
}
return result;
}
public TemplateCollectionModel keys() {
ArrayList keys = new ArrayList();
for (Enumeration enumeration = request.getAttributeNames(); enumeration.hasMoreElements();) {
keys.add(enumeration.nextElement());
}
return new SimpleCollection(keys.iterator());
}
public TemplateCollectionModel values() {
ArrayList values = new ArrayList();
for (Enumeration enumeration = request.getAttributeNames(); enumeration.hasMoreElements();) {
values.add(request.getAttribute((String)enumeration.nextElement()));
}
return new SimpleCollection(values.iterator(), wrapper);
}
public HttpServletRequest getRequest()
{
return request;
}
public HttpServletResponse getResponse()
{
return response;
}
public ObjectWrapper getObjectWrapper()
{
return wrapper;
}
}
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