com.sun.webui.jsf.renderkit.html.UploadRenderer Maven / Gradle / Ivy
/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the License). You may not use this file except in
* compliance with the License.
*
* You can obtain a copy of the license at
* https://woodstock.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* Header Notice in each file and include the License file
* at https://woodstock.dev.java.net/public/CDDLv1.0.html.
* If applicable, add the following below the CDDL Header,
* with the fields enclosed by brackets [] replaced by
* you own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
*/
/*
* $Id: UploadRenderer.java,v 1.1.4.1.2.1 2009-12-29 04:52:45 jyeary Exp $
*/
package com.sun.webui.jsf.renderkit.html;
import com.sun.faces.annotation.Renderer;
import java.io.IOException;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.ResponseWriter;
import javax.faces.context.FacesContext;
import javax.faces.application.FacesMessage;
import com.sun.webui.jsf.component.Upload;
import com.sun.webui.jsf.util.MessageUtil;
import com.sun.webui.jsf.util.JavaScriptUtilities;
import com.sun.webui.jsf.util.RenderingUtilities;
import com.sun.webui.theme.Theme;
import com.sun.webui.jsf.util.ThemeUtilities;
/**
* Renderer for a {@link Upload} component.
*/
@Renderer(@Renderer.Renders(componentFamily = "com.sun.webui.jsf.Upload"))
public class UploadRenderer extends FieldRenderer {
private static final boolean DEBUG = false;
/**
* Override the default implementation to conditionally trim the
* leading and trailing spaces from the submitted value.
*
* @param context FacesContext for the current request
* @param component Upload component being processed
*/
@Override
public void decode(FacesContext context, UIComponent component) {
if (DEBUG) {
log("decode()");
}
Upload upload = (Upload) component;
String id = component.getClientId(context).concat(upload.INPUT_ID);
if (DEBUG) {
log("\tLooking for id " + id);
}
Map map = context.getExternalContext().getRequestMap();
if (map.containsKey(id)) {
if (DEBUG) {
log("\tFound id " + id);
}
upload.setSubmittedValue(id);
}
return;
}
@Override
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException {
if (!(component instanceof Upload)) {
Object[] params = {component.toString(),
this.getClass().getName(),
Upload.class.getName()};
String message = MessageUtil.getMessage("com.sun.webui.jsf.resources.LogMessages", //NOI18N
"Upload.renderer", params); //NOI18N
throw new FacesException(message);
}
Theme theme = ThemeUtilities.getTheme(context);
Map map = context.getExternalContext().getRequestMap();
Object error = map.get(Upload.UPLOAD_ERROR_KEY);
if (error != null) {
if (error instanceof Throwable) {
if (error instanceof org.apache.commons.fileupload.FileUploadBase.SizeLimitExceededException) {
// Caused by the file size is too big
String maxSize = (String) map.get(Upload.FILE_SIZE_KEY);
String[] detailArgs = {maxSize};
String summaryMsg = theme.getMessage("FileUpload.noFile");
String detailMsg =
theme.getMessage("Upload.error", detailArgs);
FacesMessage fmsg = new FacesMessage(summaryMsg, detailMsg);
context.addMessage(
((Upload) component).getClientId(context), fmsg);
} else {
String summaryMsg = theme.getMessage("FileUpload.noFile");
FacesException fe = new FacesException(summaryMsg);
fe.initCause((Throwable) error);
throw fe;
}
}
}
boolean spanRendered = super.renderField(context, (Upload) component,
"file", getStyles(context));
String id = component.getClientId(context);
StringBuilder jsString = new StringBuilder(256);
jsString.append(JavaScriptUtilities.getModuleName(
"upload.setEncodingType")); //NOI18N
jsString.append("(\'"); //NOI18N
jsString.append(id);
jsString.append("\');\n"); //NOI18N
// Render JavaScript.
ResponseWriter writer = context.getResponseWriter();
JavaScriptUtilities.renderJavaScript(component, writer,
jsString.toString());
if (!spanRendered) {
String param = id.concat(Upload.INPUT_PARAM_ID);
RenderingUtilities.renderHiddenField(component, writer, param, id);
}
}
}