/*
* 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.myfaces.tobago.renderkit.html.scarborough.standard.tag;
import org.apache.commons.fileupload.FileItem;
import org.apache.myfaces.tobago.internal.component.AbstractUIFile;
import org.apache.myfaces.tobago.internal.util.FacesContextUtils;
import org.apache.myfaces.tobago.internal.webapp.TobagoMultipartFormdataRequest;
import org.apache.myfaces.tobago.layout.Measure;
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 (ComponentUtils.isOutputOnly(component)) {
return;
}
AbstractUIFile input = (AbstractUIFile) 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 {
final AbstractUIFile file = (AbstractUIFile) component;
final String clientId = file.getClientId(facesContext);
final Style style = new Style(facesContext, file);
final TobagoResponseWriter writer = HtmlRendererUtils.getTobagoResponseWriter(facesContext);
writer.startElement(HtmlElements.DIV, file);
writer.writeIdAttribute(clientId);
writer.writeClassAttribute(Classes.create(file));
HtmlRendererUtils.writeDataAttributes(facesContext, writer, file);
writer.writeStyleAttribute(style);
// visible fake input for a pretty look
final Style inputStyle = new Style();
final Measure prettyWidthSub = getResourceManager().getThemeMeasure(facesContext, file, "prettyWidthSub");
inputStyle.setWidth(style.getWidth().subtract(prettyWidthSub));
writer.startElement(HtmlElements.INPUT, file);
writer.writeIdAttribute(clientId + ComponentUtils.SUB_SEPARATOR + "pretty");
writer.writeAttribute(HtmlAttributes.TYPE, HtmlInputTypes.TEXT, false);
writer.writeClassAttribute(Classes.create(file, "pretty"));
writer.writeStyleAttribute(inputStyle);
writer.writeAttribute(HtmlAttributes.DISABLED, true);
// TODO Focus
//HtmlRendererUtils.renderFocus(clientId, file.isFocus(), ComponentUtils.isError(file), facesContext, writer);
writer.endElement(HtmlElements.INPUT);
// invisible file input
writer.startElement(HtmlElements.INPUT, file);
writer.writeIdAttribute(clientId + ComponentUtils.SUB_SEPARATOR + "real");
writer.writeAttribute(HtmlAttributes.TYPE, HtmlInputTypes.FILE, false);
writer.writeClassAttribute(Classes.create(file, "real"));
writer.writeNameAttribute(clientId);
// readonly seems not making sense in browsers.
writer.writeAttribute(HtmlAttributes.DISABLED, file.isDisabled() || file.isReadonly());
writer.writeAttribute(HtmlAttributes.READONLY, file.isReadonly());
writer.writeAttribute(HtmlAttributes.REQUIRED, file.isRequired());
writer.writeAttribute(HtmlAttributes.SIZE, "1024", false);
final Integer tabIndex = file.getTabIndex();
if (tabIndex != null) {
writer.writeAttribute(HtmlAttributes.TABINDEX, tabIndex);
}
final String title = HtmlRendererUtils.getTitleFromTipAndMessages(facesContext, file);
if (title != null) {
writer.writeAttribute(HtmlAttributes.TITLE, title, true);
}
writer.endElement(HtmlElements.INPUT);
writer.endElement(HtmlElements.DIV);
}
}