com.sun.faces.renderkit.html_basic.OutputLinkRenderer Maven / Gradle / Ivy
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/*
* $Id: OutputLinkRenderer.java,v 1.37.4.4 2008/12/11 17:53:22 rlubke Exp $
*/
/*
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*
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*
* 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.
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// OutputLinkRenderer.java
package com.sun.faces.renderkit.html_basic;
import java.io.IOException;
import java.util.logging.Level;
import javax.faces.component.UIComponent;
import javax.faces.component.UIOutput;
import javax.faces.context.FacesContext;
import javax.faces.context.ResponseWriter;
import com.sun.faces.renderkit.AttributeManager;
import com.sun.faces.renderkit.RenderKitUtils;
import com.sun.faces.util.Util;
import java.net.URLEncoder;
/**
* OutputLinkRenderer is a class ...
*
* Lifetime And Scope
*
* @version $Id: OutputLinkRenderer.java,v 1.37.4.4 2008/12/11 17:53:22 rlubke Exp $
*/
public class OutputLinkRenderer extends LinkRenderer {
private static final String[] ATTRIBUTES =
AttributeManager.getAttributes(AttributeManager.Key.OUTPUTLINK);
// ---------------------------------------------------------- Public Methods
@Override
public void decode(FacesContext context, UIComponent component) {
rendererParamsNotNull(context, component);
}
@Override
public void encodeBegin(FacesContext context, UIComponent component)
throws IOException {
rendererParamsNotNull(context, component);
UIOutput output = (UIOutput) component;
boolean componentDisabled = false;
if (output.getAttributes().get("disabled") != null) {
if ((output.getAttributes().get("disabled")).equals(Boolean.TRUE)) {
componentDisabled = true;
}
}
if (componentDisabled) {
renderAsDisabled(context, output);
} else {
renderAsActive(context, output);
}
}
@Override
public void encodeChildren(FacesContext context, UIComponent component)
throws IOException {
rendererParamsNotNull(context, component);
if (!shouldEncodeChildren(component)) {
return;
}
if (component.getChildCount() > 0) {
for (UIComponent kid : component.getChildren()) {
encodeRecursive(context, kid);
}
}
}
@Override
public void encodeEnd(FacesContext context, UIComponent component)
throws IOException {
rendererParamsNotNull(context, component);
if (!shouldEncode(component)) {
return;
}
ResponseWriter writer = context.getResponseWriter();
assert(writer != null);
if (Boolean.TRUE.equals(component.getAttributes().get("disabled"))) {
writer.endElement("span");
} else {
//Write Anchor inline elements
//Done writing Anchor element
writer.endElement("a");
}
}
@Override
public boolean getRendersChildren() {
return true;
}
// ------------------------------------------------------- Protected Methods
@Override
protected Object getValue(UIComponent component) {
if (Util.componentIsDisabled(component)) {
return null;
} else {
return ((UIOutput) component).getValue();
}
}
protected void renderAsActive(FacesContext context, UIComponent component)
throws IOException {
String hrefVal = getCurrentValue(context, component);
if (logger.isLoggable(Level.FINE)) {
logger.fine("Value to be rendered " + hrefVal);
}
// suppress rendering if "rendered" property on the output is
// false
if (!component.isRendered()) {
if (logger.isLoggable(Level.FINE)) {
logger.fine("End encoding component "
+ component.getId() + " since " +
"rendered attribute is set to false ");
}
return;
}
ResponseWriter writer = context.getResponseWriter();
assert(writer != null);
writer.startElement("a", component);
String writtenId =
writeIdAttributeIfNecessary(context, writer, component);
if (null != writtenId) {
writer.writeAttribute("name", writtenId, "name");
}
// render an empty value for href if it is not specified
if (null == hrefVal || 0 == hrefVal.length()) {
hrefVal = "";
}
//Write Anchor attributes
Param paramList[] = getParamList(component);
StringBuffer sb = new StringBuffer();
sb.append(hrefVal);
boolean paramWritten = false;
for (int i = 0, len = paramList.length; i < len; i++) {
String pn = paramList[i].name;
if (pn != null && pn.length() != 0) {
String pv = paramList[i].value;
sb.append((paramWritten) ? '&' : '?');
sb.append(URLEncoder.encode(pn,"UTF-8"));
sb.append('=');
if (pv != null && pv.length() != 0) {
sb.append(URLEncoder.encode(pv, "UTF-8"));
}
paramWritten = true;
}
}
writer.writeURIAttribute("href",
context.getExternalContext()
.encodeResourceURL(sb.toString()),
"href");
RenderKitUtils.renderPassThruAttributes(writer,
component,
ATTRIBUTES);
RenderKitUtils.renderXHTMLStyleBooleanAttributes(writer, component);
String target = (String) component.getAttributes().get("target");
if (target != null && target.trim().length() != 0) {
writer.writeAttribute("target", target, "target");
}
writeCommonLinkAttributes(writer, component);
writer.flush();
}
} // end of class OutputLinkRenderer