entaxy-public/platform/runtime/base/connecting/adapter/adapters-core/src/main/java/ru/entaxy/esb/platform/runtime/base/connecting/adapter/core/tracker/AdapterHelper.java

98 lines
3.9 KiB
Java

/*-
* ~~~~~~licensing~~~~~~
* adapters-core
* ==========
* Copyright (C) 2020 - 2023 EmDev LLC
* ==========
* You may not use this file except in accordance with the License Terms of the Copyright
* Holder located at: https://entaxy.ru/eula . All copyrights, all intellectual property
* rights to the Software and any copies are the property of the Copyright Holder. Unless
* it is explicitly allowed the Copyright Holder, the User is prohibited from using the
* Software for commercial purposes to provide services to third parties.
*
* The Copyright Holder hereby declares that the Software is provided on an "AS IS".
* Under no circumstances does the Copyright Holder guarantee or promise that the
* Software provided by him will be suitable or not suitable for the specific purposes
* of the User, that the Software will meet all commercial and personal subjective
* expectations of the User, that the Software will work properly, without technical
* errors, quickly and uninterruptedly.
*
* Under no circumstances shall the Copyright Holder or its Affiliates is not liable
* to the User for any direct or indirect losses of the User, his expenses or actual
* damage, including, downtime; loss of bussines; lost profit; lost earnings; loss
* or damage to data, property, etc.
* ~~~~~~/licensing~~~~~~
*/
package ru.entaxy.esb.platform.runtime.base.connecting.adapter.core.tracker;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.framework.wiring.BundleWiring;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ru.entaxy.esb.platform.runtime.base.connecting.adapter.core.api.Adapter;
import java.lang.reflect.Constructor;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;
public class AdapterHelper {
protected static final Logger log = LoggerFactory.getLogger(AdapterHelper.class);
protected BundleContext bundleContext;
protected List<Object> objects = new ArrayList<>();
protected List<ServiceRegistration> registrations = new ArrayList<>();
public AdapterHelper(BundleContext bundleContext) {
this.bundleContext = bundleContext;
}
public void create(Bundle targetBundle, String className) {
log.info("Creating adapter in " + targetBundle.getSymbolicName()
+ " of class " + targetBundle.getClass().getName()
+ " having context of " + targetBundle.getBundleContext().getClass().getName());
BundleWiring wiring = targetBundle.adapt(BundleWiring.class);
ClassLoader cl = wiring.getClassLoader();
try {
Class<?> clazz = cl.loadClass(className);
Constructor<?> constructor = clazz.getConstructor(BundleContext.class);
Object obj = constructor.newInstance(targetBundle.getBundleContext());
log.debug("Created object of class {}", obj.getClass().getName());
Adapter adapter = (Adapter)obj;
if (!adapter.isInited()) {
log.warn("Adapter initialization failed.");
return;
}
Hashtable<String, String> properties = new Hashtable<>();
properties.put("adapter.id", adapter.getId());
properties.put("adapter.name", adapter.getName());
properties.put("adapter.description", adapter.getDescription());
ServiceRegistration sr = targetBundle.getBundleContext().registerService(new String[] {Adapter.class.getName()}, obj, properties);
// // print out adapter info
// String props = "\n";
// for (Map.Entry<String, String> entry: adapter.getProperties().entrySet())
// props += entry.getKey() + ": " + entry.getValue() + "\n";
// String opts = "\n";
// for (Map.Entry<String, String> entry: adapter.getOptions().entrySet())
// opts += entry.getKey() + ": " + entry.getValue() + "\n";
//
// log.info("\n\n\tFINAL ADAPTER INFO: \nID: {}\nDescription: {}\nProperties:{}Options:{}"
// , adapter.getId()
// , adapter.getDescription()
// , props
// , opts);
} catch (Exception e) {
log.error("Can't create adapter:\n", e);
}
}
}