org.jboss.as.ee.naming.InjectedEENamespaceContextSelector Maven / Gradle / Ivy

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/*
 * Copyright The WildFly Authors
 * SPDX-License-Identifier: Apache-2.0
 */

package org.jboss.as.ee.naming;

import javax.naming.CompositeName;
import javax.naming.Context;
import javax.naming.NamingException;

import org.jboss.as.naming.NamingStore;
import org.jboss.as.naming.context.NamespaceContextSelector;
import org.jboss.as.server.deployment.DelegatingSupplier;

/**
 * A simple EE-style namespace context selector which uses injected services for the contexts.
 *
 * @author David M. Lloyd
 * @author Richard Opalka
 */
public final class InjectedEENamespaceContextSelector extends NamespaceContextSelector {

    private static final CompositeName EMPTY_NAME = new CompositeName();
    private final DelegatingSupplier jbossContext = new DelegatingSupplier<>();
    private final DelegatingSupplier globalContext = new DelegatingSupplier<>();
    private final DelegatingSupplier appContext = new DelegatingSupplier<>();
    private final DelegatingSupplier moduleContext = new DelegatingSupplier<>();
    private final DelegatingSupplier compContext = new DelegatingSupplier<>();
    private final DelegatingSupplier exportedContext = new DelegatingSupplier<>();

    public InjectedEENamespaceContextSelector() {
    }

    public DelegatingSupplier getAppContextSupplier() {
        return appContext;
    }

    public DelegatingSupplier getModuleContextSupplier() {
        return moduleContext;
    }

    public DelegatingSupplier getCompContextSupplier() {
        return compContext;
    }

    public DelegatingSupplier getJbossContextSupplier() {
        return jbossContext;
    }

    public DelegatingSupplier getGlobalContextSupplier() {
        return globalContext;
    }

    public DelegatingSupplier getExportedContextSupplier() {
        return exportedContext;
    }

    private NamingStore getNamingStore(final String identifier) {
        if (identifier.equals("jboss")) {
            return jbossContext.get();
        } else if (identifier.equals("global")) {
            return globalContext.get();
        } else if (identifier.equals("app")) {
            return appContext.get();
        } else if (identifier.equals("module")) {
            return moduleContext.get();
        } else if (identifier.equals("comp")) {
            return compContext.get();
        } else if (identifier.equals("jboss/exported")) {
            return exportedContext.get();
        } else {
            return null;
        }
    }

    public Context getContext(final String identifier) {
        NamingStore namingStore = getNamingStore(identifier);
        if (namingStore != null) {
            try {
                return (Context) namingStore.lookup(EMPTY_NAME);
            } catch (NamingException e) {
                throw new IllegalStateException(e);
            }
        } else {
            return null;
        }
    }
}