package org.apache.myfaces.tobago.renderkit.html.scarborough.standard.tag;
/*
* Copyright 2002-2005 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.
*/
/*
* Created 07.02.2003 16:00:00.
* $Id: FileRenderer.java 374936 2006-02-04 21:47:46Z bommel $
*/
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_DISABLED;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_STYLE;
import static org.apache.myfaces.tobago.TobagoConstants.ATTR_TIP;
import static org.apache.myfaces.tobago.TobagoConstants.FACET_LABEL;
import org.apache.myfaces.tobago.component.ComponentUtil;
import org.apache.myfaces.tobago.context.ClientProperties;
import org.apache.myfaces.tobago.renderkit.InputRendererBase;
import org.apache.myfaces.tobago.util.LayoutUtil;
import org.apache.myfaces.tobago.webapp.TobagoMultipartFormdataRequest;
import org.apache.myfaces.tobago.webapp.TobagoResponseWriter;
import javax.faces.component.UIComponent;
import javax.faces.component.UIInput;
import javax.faces.context.FacesContext;
import javax.faces.convert.ConverterException;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.io.IOException;
public class FileRenderer extends InputRendererBase {
private static final Log LOG = LogFactory.getLog(FileRenderer.class);
public boolean getRendersChildren() {
return true;
}
public int getComponentExtraWidth(
FacesContext facesContext, UIComponent component) {
int space = 0;
if (component.getFacet(FACET_LABEL) != null) {
int labelWidht = LayoutUtil.getLabelWidth(component);
space += labelWidht != 0
? labelWidht : getLabelWidth(facesContext, component);
}
return space;
}
public void decode(FacesContext facesContext, UIComponent component) {
if (ComponentUtil.isOutputOnly(component)) {
return;
}
UIInput input = (UIInput) 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>");
}
FileItem item = request.getFileItem(input.getClientId(facesContext));
if (LOG.isDebugEnabled()) {
LOG.debug("Uploaded file name : \"" + item.getName()
+ "\" size = " + item.getSize());
}
input.setSubmittedValue(item);
input.setValid(true);
}
public Object getConvertedValue(
FacesContext context, UIComponent component, Object submittedValue)
throws ConverterException {
return submittedValue;
}
public void encodeEndTobago(
FacesContext facesContext,
UIComponent uiComponent) throws IOException {
UIInput component = (UIInput) uiComponent;
String clientId = component.getClientId(facesContext);
TobagoResponseWriter writer
= (TobagoResponseWriter) facesContext.getResponseWriter();
writer.startElement("input", component);
writer.writeAttribute("type", "file", null);
writer.writeComponentClass();
if (!ClientProperties.getInstance(facesContext).getUserAgent().isMozilla()) {
writer.writeAttribute("style", null, ATTR_STYLE);
}
writer.writeNameAttribute(clientId);
writer.writeIdAttribute(clientId);
writer.writeAttribute("readonly",
ComponentUtil.getBooleanAttribute(component, ATTR_DISABLED));
writer.writeAttribute("title", null, ATTR_TIP);
writer.endElement("input");
}
}