diff options
Diffstat (limited to 'container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ComponentGraphProvider.java')
-rw-r--r-- | container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ComponentGraphProvider.java | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ComponentGraphProvider.java b/container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ComponentGraphProvider.java deleted file mode 100644 index 7ff9646cb27..00000000000 --- a/container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ComponentGraphProvider.java +++ /dev/null @@ -1,73 +0,0 @@ -// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. -package com.yahoo.container.servlet.jersey; - -import com.yahoo.container.di.config.ResolveDependencyException; -import com.yahoo.container.di.config.RestApiContext; -import com.yahoo.container.jaxrs.annotation.Component; -import org.glassfish.hk2.api.Injectee; -import org.glassfish.hk2.api.InjectionResolver; -import org.glassfish.hk2.api.ServiceHandle; - -import javax.inject.Singleton; - -import java.lang.reflect.Type; -import java.util.ArrayList; -import java.util.Collection; -import java.util.List; -import java.util.stream.Collectors; - -/** - * Resolves jdisc container components for jersey 2 components. - * - * @author Tony Vaagenes - * @author ollivir - */ -@Singleton // jersey2 requirement: InjectionResolvers must be in the Singleton scope -public class ComponentGraphProvider implements InjectionResolver<Component> { - private Collection<RestApiContext.Injectable> injectables; - - public ComponentGraphProvider(Collection<RestApiContext.Injectable> injectables) { - this.injectables = injectables; - } - - @Override - public Object resolve(Injectee injectee, ServiceHandle<?> root) { - Class<?> wantedClass; - Type type = injectee.getRequiredType(); - if (type instanceof Class) { - wantedClass = (Class<?>) type; - } else { - throw new UnsupportedOperationException("Only classes are supported, got " + type); - } - - List<RestApiContext.Injectable> componentsWithMatchingType = new ArrayList<>(); - for (RestApiContext.Injectable injectable : injectables) { - if (wantedClass.isInstance(injectable.instance)) { - componentsWithMatchingType.add(injectable); - } - } - - if (componentsWithMatchingType.size() == 1) { - return componentsWithMatchingType.get(0).instance; - } else { - String injectionDescription = "class '" + wantedClass + "' to inject into Jersey resource/provider '" - + injectee.getInjecteeClass() + "')"; - if (componentsWithMatchingType.size() > 1) { - String ids = componentsWithMatchingType.stream().map(c -> c.id.toString()).collect(Collectors.joining(",")); - throw new ResolveDependencyException("Multiple components found of " + injectionDescription + ": " + ids); - } else { - throw new ResolveDependencyException("Could not find a component of " + injectionDescription + "."); - } - } - } - - @Override - public boolean isMethodParameterIndicator() { - return true; - } - - @Override - public boolean isConstructorParameterIndicator() { - return true; - } -} |