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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.container.di.componentgraph.core;
import com.yahoo.component.ComponentId;
import com.yahoo.component.ComponentSpecification;
import com.yahoo.container.di.Osgi;
import com.yahoo.container.di.config.JerseyBundlesConfig;
import com.yahoo.container.di.config.RestApiContext;
import com.yahoo.container.di.config.RestApiContext.BundleInfo;
import com.yahoo.container.di.osgi.BundleClasses;
import org.osgi.framework.Bundle;
import org.osgi.framework.wiring.BundleWiring;
import java.net.URL;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
/**
* Represents an instance of RestApiContext
*
* @author gjoranv
* @author Tony Vaagenes
* @author ollivir
*/
public class JerseyNode extends ComponentNode {
private static final String WEB_INF_URL = "WebInfUrl";
private final Osgi osgi;
public JerseyNode(ComponentId componentId, String configId, Class<?> clazz, Osgi osgi) {
super(componentId, configId, clazz, null);
this.osgi = osgi;
}
@Override
protected RestApiContext newInstance() {
Object instance = super.newInstance();
RestApiContext restApiContext = (RestApiContext) instance;
List<JerseyBundlesConfig.Bundles> bundles = restApiContext.bundlesConfig.bundles();
for (JerseyBundlesConfig.Bundles bundleConfig : bundles) {
BundleClasses bundleClasses = osgi.getBundleClasses(ComponentSpecification.fromString(bundleConfig.spec()),
new HashSet<>(bundleConfig.packages()));
restApiContext.addBundle(createBundleInfo(bundleClasses.bundle(), bundleClasses.classEntries()));
}
componentsToInject.forEach(component -> restApiContext.addInjectableComponent(component.instanceKey(), component.componentId(),
component.component()));
return restApiContext;
}
@Override
public int hashCode() {
return super.hashCode();
}
@Override
public boolean equals(Object other) {
return super.equals(other)
&& (other instanceof JerseyNode && this.componentsToInject.equals(((JerseyNode) other).componentsToInject));
}
public static BundleInfo createBundleInfo(Bundle bundle, Collection<String> classEntries) {
BundleInfo bundleInfo = new BundleInfo(bundle.getSymbolicName(), bundle.getVersion(), bundle.getLocation(), webInfUrl(bundle),
bundle.adapt(BundleWiring.class).getClassLoader());
bundleInfo.setClassEntries(classEntries);
return bundleInfo;
}
public static Bundle getBundle(Osgi osgi, String bundleSpec) {
Bundle bundle = osgi.getBundle(ComponentSpecification.fromString(bundleSpec));
if (bundle == null) {
throw new IllegalArgumentException("Bundle not found: " + bundleSpec);
}
return bundle;
}
private static URL webInfUrl(Bundle bundle) {
String webInfUrlHeader = bundle.getHeaders().get(WEB_INF_URL);
if (webInfUrlHeader == null) {
return null;
} else {
return bundle.getEntry(webInfUrlHeader);
}
}
}
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