com.sun.faces.config.configprovider.BaseWebConfigResourceProvider Maven / Gradle / Ivy
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package com.sun.faces.config.configprovider;
import java.net.URL;
import java.net.MalformedURLException;
import java.util.Arrays;
import java.util.Collection;
import java.util.Set;
import java.util.LinkedHashSet;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletContext;
import javax.faces.FacesException;
import com.sun.faces.config.WebConfiguration;
import static com.sun.faces.config.WebConfiguration.WebContextInitParameter;
import static com.sun.faces.config.WebConfiguration.WebContextInitParameter.JavaxFacesConfigFiles;
import com.sun.faces.util.Util;
import com.sun.faces.util.FacesLogger;
import com.sun.faces.spi.ConfigurationResourceProvider;
import java.net.URI;
import java.net.URISyntaxException;
/**
*
*/
public abstract class BaseWebConfigResourceProvider implements
ConfigurationResourceProvider {
private static final Logger LOGGER = FacesLogger.CONFIG.getLogger();
// ------------------------------ Methods from ConfigurationResourceProvider
public Collection getResources(ServletContext context) {
WebConfiguration webConfig = WebConfiguration.getInstance(context);
String paths = webConfig.getOptionValue(getParameter());
Set urls = new LinkedHashSet(6);
if (paths != null) {
for (String token : Util.split(context, paths.trim(), getSeparatorRegex())) {
String path = token.trim();
if (!isExcluded(path) && path.length() != 0) {
URI u = getContextURLForPath(context, path);
if (u != null) {
urls.add(u);
} else {
if (LOGGER.isLoggable(Level.WARNING)) {
LOGGER.log(Level.WARNING,
"jsf.config.web_resource_not_found",
new Object[] { path, JavaxFacesConfigFiles.getQualifiedName() });
}
}
}
}
}
return urls;
}
// ------------------------------------------------------- Protected Methods
protected abstract WebContextInitParameter getParameter();
protected abstract String[] getExcludedResources();
protected abstract String getSeparatorRegex();
protected URI getContextURLForPath(ServletContext context, String path) {
URI result = null;
try {
URL url = context.getResource(path);
if (null != url) {
result = new URI(url.toExternalForm());
}
} catch (MalformedURLException mue) {
throw new FacesException(mue);
} catch (URISyntaxException use) {
throw new FacesException(use);
}
return result;
}
protected boolean isExcluded(String path) {
return (Arrays.binarySearch(getExcludedResources(), path) >= 0);
}
}