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// Portions Copyright [2016] [Payara Foundation]
package com.sun.enterprise.config.modularity;
import com.sun.enterprise.config.serverbeans.Config;
import com.sun.enterprise.config.serverbeans.Domain;
import org.glassfish.config.support.Singleton;
import org.jvnet.hk2.annotations.Service;
import javax.inject.Inject;
import java.lang.reflect.Method;
import java.util.Locale;
import java.util.StringTokenizer;
/**
* The main driver to make the getset commands compatible with the config modularity.
*
* @author Masoud Kalali
*/
@Service
@Singleton
public class GetSetModularityHelper {
@Inject
private ConfigModularityUtils configModularityUtils;
@Inject
private Domain domain;
/**
* checks and see if a class has an attribute with he specified name or not.
*
* @param classToQuery the class toc heck the attribute presence
* @param attributeName the attribute to check its presence in the class.
* @return true if present and false if not.
*/
private boolean checkAttributePresence(Class classToQuery, String attributeName) {
String fieldName = convertAttributeToPropertyName(attributeName);
String methodName = "set" + fieldName.replaceFirst(fieldName.substring(0, 1), String.valueOf(Character.toUpperCase(fieldName.charAt(0))));
Method[] methods = classToQuery.getMethods();
for (Method m : methods) {
if (m.getName().equals(methodName)) {
return true;
}
}
return false;
}
/**
* convert an xml attribute name to variable name representing it.
*
* @param attributeName the attribute name in "-" separated form as appears in the domain.xml
* @return the class instance variable which represent that attributeName
*/
private String convertAttributeToPropertyName(String attributeName) {
StringTokenizer tokenizer = new StringTokenizer(attributeName, "-", false);
StringBuilder propertyName = new StringBuilder();
boolean isFirst = true;
while (tokenizer.hasMoreTokens()) {
String part = tokenizer.nextToken();
if (!isFirst) {
Locale loc = Locale.getDefault();
part = part.replaceFirst(part.substring(0, 1), part.substring(0, 1).toUpperCase(loc));
}
isFirst = false;
propertyName.append(part);
}
return propertyName.toString();
}
/**
* @param prefix the entire . separated string
* @param position starts with one
* @return the configbean class matching the element in the given position or null
*/
private Class getElementClass(String prefix, int position) {
StringTokenizer tokenizer = new StringTokenizer(prefix, ".");
String token = null;
for (int i = 0; i < position; i++) {
if (tokenizer.hasMoreTokens()) {
token = tokenizer.nextToken();
} else {
return null;
}
}
if (token != null) {
return configModularityUtils.getClassFor(token);
}
return null;
}
/**
* @param string the entire . separated string
* @param position starts with one
* @return String in that position
*/
private String getElement(String string, int position) {
StringTokenizer tokenizer = new StringTokenizer(string, ".");
String token = null;
for (int i = 0; i < position; i++) {
if (tokenizer.hasMoreTokens()) {
token = tokenizer.nextToken();
} else {
return null;
}
}
return token;
}
public void getLocationForDottedName(String dottedName) {
// TODO temporary hard coded service names till all elements are supported, being tracked as part of FPP-121
if (dottedName.contains("monitor")) return;
if (
dottedName.contains("mdb-container")
|| dottedName.contains("ejb-container.")
|| dottedName.contains("web-container.")
|| dottedName.contains("cdi-service")
|| dottedName.contains("batch-runtime-configuration")
|| dottedName.contains("managed-job-config")
) {
//TODO improve performance to improve command execution time
checkForDependentElements(dottedName);
if (dottedName.startsWith("configs.config.")) {
Config c = null;
if ((getElement(dottedName, 3) != null)) {
c = getConfigForName(getElement(dottedName, 3));
}
if (c != null && getElementClass(dottedName, 4) != null) {
c.getExtensionByType(getElementClass(dottedName, 4));
}
} else if (!dottedName.startsWith("domain.")) {
Config c = null;
if ((getElement(dottedName, 1) != null)) {
c = getConfigForName(getElement(dottedName, 1));
}
if (c != null && getElementClass(dottedName, 2) != null) {
c.getExtensionByType(getElementClass(dottedName, 2));
}
}
}
}
private void checkForDependentElements(String dottedName) {
//Go over the dependent elements of custom configured config beans and try finding if the dependent elements match the dottedName
}
private Config getConfigForName(String name) {
if (domain.getConfigNamed(name) != null) return domain.getConfigNamed(name);
if (domain.getServerNamed(name) != null) return domain.getServerNamed(name).getConfig();
return null;
}
}