package org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag;
/*
* 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.
*/
/*
* Created 07.02.2003 16:00:00.
* $Id: FileRenderer.java 1178804 2011-10-04 14:12:00Z bommel $
*/
import org.apache.commons.fileupload.FileItem;
import org.apache.myfaces.tobago.component.Attributes;
import org.apache.myfaces.tobago.component.UIFileInput;
import org.apache.myfaces.tobago.context.ClientProperties;
import org.apache.myfaces.tobago.internal.util.FacesContextUtils;
import org.apache.myfaces.tobago.internal.webapp.TobagoMultipartFormdataRequest;
import org.apache.myfaces.tobago.renderkit.InputRendererBase;
import org.apache.myfaces.tobago.renderkit.css.Classes;
import org.apache.myfaces.tobago.renderkit.css.Style;
import org.apache.myfaces.tobago.renderkit.html.HtmlAttributes;
import org.apache.myfaces.tobago.renderkit.html.HtmlElements;
import org.apache.myfaces.tobago.renderkit.html.HtmlInputTypes;
import org.apache.myfaces.tobago.renderkit.html.util.HtmlRendererUtils;
import org.apache.myfaces.tobago.util.ComponentUtils;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.io.IOException;
public class FileRenderer extends InputRendererBase {
private static final Logger LOG = LoggerFactory.getLogger(FileRenderer.class);
public void prepareRender(FacesContext facesContext, UIComponent component) throws IOException {
super.prepareRender(facesContext, component);
FacesContextUtils.setEnctype(facesContext, "multipart/form-data");
}
public boolean getRendersChildren() {
return true;
}
public void decode(FacesContext facesContext, UIComponent component) {
if (!(component instanceof UIFileInput)) {
LOG.error("Wrong type: Need " + UIFileInput.class.getName() + ", but was " + component.getClass().getName());
return;
}
if (ComponentUtils.isOutputOnly(component)) {
return;
}
UIFileInput input = (UIFileInput) component;
TobagoMultipartFormdataRequest request = null;
Object requestObject = facesContext.getExternalContext().getRequest();
if (requestObject instanceof TobagoMultipartFormdataRequest) {
request = (TobagoMultipartFormdataRequest) requestObject;
} else if (requestObject instanceof HttpServletRequestWrapper) {
ServletRequest wrappedRequest
= ((HttpServletRequestWrapper) requestObject).getRequest();
if (wrappedRequest instanceof TobagoMultipartFormdataRequest) {
request = (TobagoMultipartFormdataRequest) wrappedRequest;
}
}
// TODO PortletRequest ??
if (request == null) {
// should not be possible, because of the check in UIPage
LOG.error("Can't process multipart/form-data without TobagoRequest. "
+ "Please check the web.xml and define a TobagoMultipartFormdataFilter. "
+ "See documentation for <tc:file>");
} else {
FileItem item = request.getFileItem(input.getClientId(facesContext));
if (LOG.isDebugEnabled()) {
LOG.debug("Uploaded file name : \"" + item.getName()
+ "\" size = " + item.getSize());
}
input.setSubmittedValue(item);
//TODO remove this
input.setValid(true);
}
}
public void encodeEnd(FacesContext facesContext, UIComponent component) throws IOException {
if (!(component instanceof UIFileInput)) {
LOG.error("Wrong type: Need " + UIFileInput.class.getName() + ", but was " + component.getClass().getName());
return;
}
UIFileInput input = (UIFileInput) component;
String clientId = input.getClientId(facesContext);
TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
writer.startElement(HtmlElements.INPUT, input);
writer.writeAttribute(HtmlAttributes.TYPE, HtmlInputTypes.FILE, false);
writer.writeClassAttribute(Classes.create(input));
Style style = new Style(facesContext, input);
writer.writeStyleAttribute(style);
writer.writeNameAttribute(clientId);
writer.writeIdAttribute(clientId);
writer.writeAttribute(HtmlAttributes.READONLY, ComponentUtils.getBooleanAttribute(input, Attributes.DISABLED));
Integer tabIndex = input.getTabIndex();
if (tabIndex != null) {
writer.writeAttribute(HtmlAttributes.TABINDEX, tabIndex);
}
HtmlRendererUtils.renderTip(input, writer);
if (ClientProperties.getInstance(facesContext).getUserAgent().isMsie6()) {
writer.writeAttribute(HtmlAttributes.ONKEYDOWN, "this.blur();return false;", false);
writer.writeAttribute("oncontextmenu", "return false;", false);
}
writer.endElement(HtmlElements.INPUT);
}
}