com.xcase.salesforce.factories.BaseSalesforceFactory Maven / Gradle / Ivy

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/**
 * Copyright 2016 Xcase All rights reserved.
 */
package com.xcase.salesforce.factories;

import com.xcase.common.impl.simple.core.ConfigurationManager;
import com.xcase.salesforce.impl.simple.core.SalesforceConfigurationManager;
import java.lang.invoke.*;
import java.lang.reflect.InvocationTargetException;
import java.util.Properties;
import org.apache.logging.log4j.*;

/**
 *
 * @author martin
 */
public class BaseSalesforceFactory {

	/**
	 * log4j object.
	 */
	protected static final Logger LOGGER = LogManager.getLogger(MethodHandles.lookup().lookupClass());

	/**
	 * Salesforce config.
	 */
	private static final Properties CONFIG = SalesforceConfigurationManager.getConfigurationManager().getConfig();

	/**
	 * fall-safe config.
	 */
	private static Properties defaultConfig;

	/**
	 *
	 * @param interfaceKey interface key
	 * @return implement object
	 */
	protected static Object newInstanceOf(String interfaceKey) {
		LOGGER.debug("starting newInstanceOf()");
		Object obj = null;
		LOGGER.debug("interfaceKey is " + interfaceKey);
		String className = CONFIG.getProperty(interfaceKey);
		LOGGER.debug("className is " + className);
		try {
			Class clazz = Class.forName(className);
			obj = clazz.getDeclaredConstructor().newInstance();
		} catch (ClassNotFoundException cnfe) {
			LOGGER.info("exception creating new instance: " + cnfe.getMessage());
		} catch (InstantiationException ie) {
			LOGGER.info("exception creating new instance: " + ie.getMessage());
		} catch (IllegalAccessException iae) {
			LOGGER.info("exception creating new instance: " + iae.getMessage());
		} catch (InvocationTargetException ite) {
			LOGGER.info("exception creating new instance: " + ite.getMessage());
		} catch (NoSuchMethodException nsme) {
			LOGGER.info("exception creating new instance: " + nsme.getMessage());
		}

		if (obj == null) {
			LOGGER.debug("obj is null");
			obj = getDefaultImpl(interfaceKey);
		}

		return obj;
	}

	/**
	 * @param interfaceKey interface key
	 * @return object
	 */
	private static Object getDefaultImpl(String interfaceKey) {
		LOGGER.debug("starting getDefaultImpl()");
		Object obj = null;
		if (defaultConfig == null) {
			// LOGGER.debug("defaultConfig is null");
			try {
				ConfigurationManager.getConfigurationManager().loadDefaultConfig();
			} catch (Exception e) {
				LOGGER.info("exception loading default config: " + e.getMessage());
			}
		}

		String implString = (String) defaultConfig.get(interfaceKey);

		try {
			Class clazz = Class.forName(implString);
			obj = clazz.getDeclaredConstructor().newInstance();
		} catch (ClassNotFoundException cnfe) {
			LOGGER.info("exception creating new instance: " + cnfe.getMessage());
		} catch (InstantiationException ie) {
			LOGGER.info("exception creating new instance: " + ie.getMessage());
		} catch (IllegalAccessException iae) {
			LOGGER.info("exception creating new instance: " + iae.getMessage());
		} catch (InvocationTargetException ite) {
			LOGGER.info("exception creating new instance: " + ite.getMessage());
		} catch (NoSuchMethodException nsme) {
			LOGGER.info("exception creating new instance: " + nsme.getMessage());
		}

		return obj;
	}
}