105 lines
3.4 KiB
Java
105 lines
3.4 KiB
Java
/*-
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* ~~~~~~licensing~~~~~~
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* profile-management
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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.platform.base.support.osgi.tracker;
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import java.util.HashMap;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import org.osgi.framework.Bundle;
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import org.osgi.framework.BundleEvent;
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import org.osgi.util.tracker.BundleTrackerCustomizer;
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public abstract class UniformBundleTrackerCustomizer<T> implements BundleTrackerCustomizer<T> {
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protected BundleTrackerCustomizerListener<T> listener;
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protected List<BundleFilter<?>> filters = new LinkedList<>();
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public UniformBundleTrackerCustomizer() {
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super();
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}
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public UniformBundleTrackerCustomizer(BundleTrackerCustomizerListener<T> listener) {
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super();
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setListener(listener);
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}
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public BundleTrackerCustomizerListener<T> getListener() {
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return listener;
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}
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public void setListener(BundleTrackerCustomizerListener<T> listener) {
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this.listener = listener;
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}
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public void addFilter(BundleFilter<?> filter) {
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this.filters.add(filter);
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}
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public UniformBundleTrackerCustomizer<T> listener(BundleTrackerCustomizerListener<T> listener){
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setListener(listener);
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return this;
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}
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@Override
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public T addingBundle(Bundle bundle, BundleEvent event) {
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Map<String, List<?>> filterResults = new HashMap<>();
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for (BundleFilter<?> filter: filters) {
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List<?> result = filter.checkBundle(bundle, event);
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if (result == null)
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return null;
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filterResults.put(filter.getFilterId(), result);
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}
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T managedObject = createManagedObject(bundle, event, filterResults);
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enrichManagedObject(bundle, event, filterResults, managedObject);
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if (listener != null)
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listener.added(managedObject);
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return managedObject;
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}
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protected abstract T createManagedObject(Bundle bundle, BundleEvent event, Map<String, List<?>> filterResults);
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/*
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* to override
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*/
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protected void enrichManagedObject(Bundle bundle, BundleEvent event, Map<String, List<?>> filterResults, T managedObject) {
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}
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@Override
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public void modifiedBundle(Bundle bundle, BundleEvent event, T object) {
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listener.modified(object);
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}
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@Override
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public void removedBundle(Bundle bundle, BundleEvent event, T object) {
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listener.removed(object);
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}
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}
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