entaxy-public/platform/runtime/base/base-support/src/main/java/ru/entaxy/platform/base/support/osgi/tracker/filter/BundleCapabilityFilter.java

67 lines
2.4 KiB
Java

/*-
* ~~~~~~licensing~~~~~~
* profile-management
* ==========
* 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.platform.base.support.osgi.tracker.filter;
import java.util.List;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleEvent;
import org.osgi.framework.wiring.BundleCapability;
import org.osgi.framework.wiring.BundleRevision;
public class BundleCapabilityFilter extends AbstractBundleFilter<BundleCapability, BundleCapabilityFilter> {
public static final String DEFAULT_FILTER_ID = "bundle.capabilities";
protected String namespace;
@Override
protected String getDefaultFilterId() {
return DEFAULT_FILTER_ID;
}
@Override
public List<BundleCapability> checkBundle(Bundle bundle, BundleEvent event) {
BundleRevision revision = bundle.adapt(BundleRevision.class);
if (revision == null)
return null;
List<BundleCapability> capabilities = revision.getDeclaredCapabilities(namespace);
if ((capabilities==null) || (capabilities.size()==0))
return null;
return capabilities;
}
public void setNamespace(String namespace) {
this.namespace = namespace;
}
public BundleCapabilityFilter namespace(String namespace) {
setNamespace(namespace);
return this;
}
}