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