com.sun.faces.renderkit.html_basic.MessagesRenderer Maven / Gradle / Ivy
Show all versions of jsf-impl Show documentation
/*
* $Id: MessagesRenderer.java,v 1.36.4.1 2007/08/30 19:26:19 rlubke Exp $
*/
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
// MessagesRenderer.java
package com.sun.faces.renderkit.html_basic;
import java.io.IOException;
import java.util.Iterator;
import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.component.UIMessages;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import com.sun.faces.renderkit.AttributeManager;
import com.sun.faces.renderkit.RenderKitUtils;
/**
* MessagesRenderer handles rendering for the Messages
.
*
* @version $Id
*/
public class MessagesRenderer extends HtmlBasicRenderer {
private static final String[] ATTRIBUTES =
AttributeManager.getAttributes(AttributeManager.Key.MESSAGESMESSAGES);
// ---------------------------------------------------------- Public Methods
@Override
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException {
rendererParamsNotNull(context, component);
}
@Override
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException {
rendererParamsNotNull(context, component);
if (!shouldEncode(component)) {
return;
}
UIMessages messages = (UIMessages) component;
ResponseWriter writer = context.getResponseWriter();
assert(writer != null);
// String clientId = ((UIMessages) component).getFor();
String clientId = null; // PENDING - "for" is actually gone now
// if no clientId was included
if (clientId == null) {
// and the author explicitly only wants global messages
if (messages.isGlobalOnly()) {
// make it so only global messages get displayed.
clientId = "";
}
}
//"for" attribute optional for Messages
Iterator messageIter = getMessageIter(context, clientId, component);
assert(messageIter != null);
if (!messageIter.hasNext()) {
return;
}
String layout = (String) component.getAttributes().get("layout");
boolean showSummary = messages.isShowSummary();
boolean showDetail = messages.isShowDetail();
String styleClass = (String) component.getAttributes().get(
"styleClass");
boolean wroteTable = false;
//For layout attribute of "table" render as HTML table.
//If layout attribute is not present, or layout attribute
//is "list", render as HTML list.
if ((layout != null) && (layout.equals("table"))) {
writer.startElement("table", component);
wroteTable = true;
} else {
writer.startElement("ul", component);
}
//Render "table" or "ul" level attributes.
writeIdAttributeIfNecessary(context, writer, component);
if (null != styleClass) {
writer.writeAttribute("class", styleClass, "styleClass");
}
// style is rendered as a passthru attribute
RenderKitUtils.renderPassThruAttributes(writer,
component,
ATTRIBUTES);
while (messageIter.hasNext()) {
FacesMessage curMessage = (FacesMessage) messageIter.next();
String severityStyle = null;
String severityStyleClass = null;
// make sure we have a non-null value for summary and
// detail.
String summary = (null != (summary = curMessage.getSummary())) ?
summary : "";
// Default to summary if we have no detail
String detail = (null != (detail = curMessage.getDetail())) ?
detail : summary;
if (curMessage.getSeverity() == FacesMessage.SEVERITY_INFO) {
severityStyle =
(String) component.getAttributes().get("infoStyle");
severityStyleClass = (String)
component.getAttributes().get("infoClass");
} else if (curMessage.getSeverity() == FacesMessage.SEVERITY_WARN) {
severityStyle =
(String) component.getAttributes().get("warnStyle");
severityStyleClass = (String)
component.getAttributes().get("warnClass");
} else
if (curMessage.getSeverity() == FacesMessage.SEVERITY_ERROR) {
severityStyle =
(String) component.getAttributes().get("errorStyle");
severityStyleClass = (String)
component.getAttributes().get("errorClass");
} else
if (curMessage.getSeverity() == FacesMessage.SEVERITY_FATAL) {
severityStyle =
(String) component.getAttributes().get("fatalStyle");
severityStyleClass = (String)
component.getAttributes().get("fatalClass");
}
//Done intializing local variables. Move on to rendering.
if (wroteTable) {
writer.startElement("tr", component);
} else {
writer.startElement("li", component);
}
if (severityStyle != null) {
writer.writeAttribute("style", severityStyle, "style");
}
if (severityStyleClass != null) {
styleClass = severityStyleClass;
writer.writeAttribute("class", styleClass, "styleClass");
}
if (wroteTable) {
writer.startElement("td", component);
}
Object val = component.getAttributes().get("tooltip");
boolean isTooltip = (val != null) && Boolean.valueOf(val.toString());
boolean wroteTooltip = false;
if (showSummary && showDetail && isTooltip) {
writer.startElement("span", component);
String title = (String) component.getAttributes().get("title");
if (title == null || title.length() == 0) {
writer.writeAttribute("title", summary, "title");
}
writer.flush();
writer.writeText("\t", component, null);
wroteTooltip = true;
}
if (!wroteTooltip && showSummary) {
writer.writeText("\t", component, null);
writer.writeText(summary, component, null);
writer.writeText(" ", component, null);
}
if (showDetail) {
writer.writeText(detail, component, null);
}
if (wroteTooltip) {
writer.endElement("span");
}
//close table row if present
if (wroteTable) {
writer.endElement("td");
writer.endElement("tr");
} else {
writer.endElement("li");
}
} //messageIter
//close table if present
if (wroteTable) {
writer.endElement("table");
} else {
writer.endElement("ul");
}
}
} // end of class MessagesRenderer