com.sun.faces.config.processor.FacesConfigExtensionProcessor Maven / Gradle / Ivy
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package com.sun.faces.config.processor;
import com.sun.faces.config.DocumentInfo;
import com.sun.faces.config.WebConfiguration;
import com.sun.faces.util.FacesLogger;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.Document;
import javax.servlet.ServletContext;
import java.text.MessageFormat;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
*
* This ConfigProcessor handles all elements defined under
* /faces-config/factory.
*
*/
public class FacesConfigExtensionProcessor extends AbstractConfigProcessor {
private static final Logger LOGGER = FacesLogger.CONFIG.getLogger();
/**
* /faces-config/faces-config-extension
*/
private static final String FACES_CONFIG_EXTENSION = "faces-config-extension";
/**
* /faces-config/faces-config-extension/facelets-processing
*/
private static final String FACELETS_PROCESSING = "facelets-processing";
/**
* /faces-config/faces-config-extension/facelets-processing/file-extension
*/
private static final String FILE_EXTENSION = "file-extension";
/**
* /faces-config/faces-config-extension/facelets-processing/process-as
*/
private static final String PROCESS_AS = "process-as";
// ------------------------------------------------------------ Constructors
public FacesConfigExtensionProcessor() { }
// -------------------------------------------- Methods from ConfigProcessor
/**
* @see ConfigProcessor#process(javax.servlet.ServletContext,com.sun.faces.config.DocumentInfo[])
*/
public void process(ServletContext sc, DocumentInfo[] documentInfos)
throws Exception {
for (int i = 0; i < documentInfos.length; i++) {
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.log(Level.FINE,
MessageFormat.format(
"Processing faces-config-extension elements for document: ''{0}''",
documentInfos[i].getSourceURI()));
}
Document document = documentInfos[i].getDocument();
String namespace = document.getDocumentElement()
.getNamespaceURI();
NodeList facesConfigExtensions = document.getDocumentElement()
.getElementsByTagNameNS(namespace, FACES_CONFIG_EXTENSION);
if (facesConfigExtensions != null && facesConfigExtensions.getLength() > 0) {
processFacesConfigExtensions(facesConfigExtensions,
namespace, documentInfos[i]);
}
}
// invoke the next config processor
invokeNext(sc, documentInfos);
}
// --------------------------------------------------------- Private Methods
private void processFacesConfigExtensions(NodeList facesConfigExtensions,
String namespace, DocumentInfo info) {
WebConfiguration config = null;
for (int i = 0, size = facesConfigExtensions.getLength(); i < size; i++) {
Node facesConfigExtension = facesConfigExtensions.item(i);
NodeList children = ((Element) facesConfigExtension)
.getElementsByTagNameNS(namespace, "*");
for (int c = 0, csize = children.getLength(); c < csize; c++) {
Node n = children.item(c);
if (FACELETS_PROCESSING.equals(n.getLocalName())) {
Node faceletsProcessing = n;
NodeList faceletsProcessingChildren = ((Element) faceletsProcessing)
.getElementsByTagNameNS(namespace, "*");
String fileExtension = null, processAs = null;
for (int fp = 0, fpsize = faceletsProcessingChildren.getLength(); fp < fpsize; fp++) {
Node childOfInterset = faceletsProcessingChildren.item(fp);
if (null == fileExtension &&
FILE_EXTENSION.equals(childOfInterset.getLocalName())) {
fileExtension = getNodeText(childOfInterset);
} else if (null == processAs &&
PROCESS_AS.equals(childOfInterset.getLocalName())) {
processAs = getNodeText(childOfInterset);
} else {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
MessageFormat.format(
"Processing faces-config-extension elements for document: ''{0}'', encountered unexpected configuration ''{1}'', ignoring and continuing",
info.getSourceURI(), getNodeText(childOfInterset)));
}
}
}
if (null != fileExtension && null != processAs) {
if (null == config) {
config = WebConfiguration.getInstance();
}
Map faceletsProcessingMappings =
config.getFacesConfigOptionValue(WebConfiguration.WebContextInitParameter.FaceletsProcessingFileExtensionProcessAs, true);
faceletsProcessingMappings.put(fileExtension, processAs);
} else {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
MessageFormat.format(
"Processing faces-config-extension elements for document: ''{0}'', encountered elemnet without expected children",
info.getSourceURI()));
}
}
}
}
}
}
}