entaxy-public/platform/runtime/base/base-support/src/main/java/ru/entaxy/platform/base/support/osgi/bundle/BundleCapabilityHelper.java

74 lines
2.7 KiB
Java

/*-
* ~~~~~~licensing~~~~~~
* base-support
* ==========
* 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.bundle;
import java.util.List;
import java.util.Map;
import org.osgi.framework.Bundle;
import org.osgi.framework.wiring.BundleCapability;
import org.osgi.framework.wiring.BundleWiring;
public class BundleCapabilityHelper extends CapabilityHelper {
protected Bundle bundle;
public BundleCapabilityHelper(Bundle bundle) {
super();
this.bundle = bundle;
setMultipleNamespacesSupported(true);
load();
}
@Override
protected void load() {
BundleWiring bundleWiring = bundle.adapt(BundleWiring.class);
if (bundleWiring == null)
return;
List<BundleCapability> capabilities = bundleWiring.getCapabilities(null);
for (BundleCapability cap: capabilities) {
CapabilityDescriptorImpl descriptor = new CapabilityDescriptorImpl();
descriptor.namespace(cap.getNamespace());
for (Map.Entry<String, Object> attr: cap.getAttributes().entrySet())
descriptor.attribute(attr.getKey(), attr.getValue());
addProvidedCapability(descriptor);
}
}
public CapabilityDescriptor findObjectDeclaration(String objectId, String objectType) {
if (this.providedCapabilities == null)
return null;
if (this.providedCapabilities.get(objectType) == null)
return null;
for (CapabilityDescriptor desc: this.providedCapabilities.get(objectType))
if (objectId.equals(desc.getAttributes().getOrDefault("objectId", "").toString()))
return desc;
return null;
}
}