org.richfaces.javascript.ClientServiceConfigParser Maven / Gradle / Ivy
/**
*
*/
package org.richfaces.javascript;
import java.io.IOException;
import java.net.URL;
import java.util.Collections;
import java.util.Enumeration;
import java.util.Map;
import javax.faces.FacesException;
import javax.xml.bind.JAXB;
import org.richfaces.log.Logger;
import org.richfaces.log.RichfacesLogger;
import org.richfaces.resource.ResourceKey;
import org.richfaces.validator.model.ClientSideScripts;
import org.richfaces.validator.model.Component;
import org.richfaces.validator.model.Resource;
import com.google.common.base.Function;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMap.Builder;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
/**
* @author asmirnov
*
*/
public final class ClientServiceConfigParser {
private static final Logger LOG = RichfacesLogger.CONFIG.getLogger();
private ClientServiceConfigParser() {
}
public static Map, LibraryFunction> parseConfig(String name) {
ClassLoader loader = Thread.currentThread().getContextClassLoader();
if (null == loader) {
loader = ClientServiceConfigParser.class.getClassLoader();
}
Builder, LibraryFunction> resultBuilder = ImmutableMap.builder();
try {
Enumeration resources = loader.getResources(name);
while (resources.hasMoreElements()) {
URL url = (URL) resources.nextElement();
resultBuilder.putAll(parse(loader, url));
}
} catch (IOException e) {
return Collections.emptyMap();
}
return resultBuilder.build();
}
static Map, LibraryFunction> parse(ClassLoader loader, URL url) {
Map, LibraryFunction> result = Maps.newHashMap();
try {
ClientSideScripts clientSideScripts = JAXB.unmarshal(url, ClientSideScripts.class);
for (Component component : clientSideScripts.getComponent()) {
try {
Class componentClass = loader.loadClass(component.getType());
Iterable resources =
Iterables.transform(component.getResource(), new Function() {
public ResourceKey apply(Resource from) {
return ResourceKey.create(from.getName(), from.getLibrary());
}
});
LibraryFunctionImplementation function =
new LibraryFunctionImplementation(component.getFunction(), resources);
result.put(componentClass, function);
} catch (ClassNotFoundException e) {
// throw new FacesException("Class for component not found", e);
LOG.warn("Found JavaScript function definition for class "+component.getType()+", but that class is not presented");
}
}
} catch (Exception e) {
throw new FacesException("Error parsing config file " + url, e);
}
return result;
}
}