DebugConfigurationTypeRegistry.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.plugin.debugger.ide.configuration;

import com.google.inject.Inject;
import com.google.inject.Singleton;

import org.eclipse.che.commons.annotation.Nullable;
import org.eclipse.che.ide.api.debug.DebugConfigurationType;
import org.eclipse.che.ide.util.loging.Log;

import javax.validation.constraints.NotNull;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;

/**
 * Registry of {@link DebugConfigurationType}s.
 *
 * @author Artem Zatsarynnyi
 */
@Singleton
public class DebugConfigurationTypeRegistry {

    private final Map<String, DebugConfigurationType> types;

    public DebugConfigurationTypeRegistry() {
        this.types = new HashMap<>();
    }

    @Inject(optional = true)
    private void register(Set<DebugConfigurationType> debugConfigurationTypes) {
        for (DebugConfigurationType type : debugConfigurationTypes) {
            final String id = type.getId();
            if (this.types.containsKey(id)) {
                Log.warn(DebugConfigurationTypeRegistry.class, "Debug configuration type with ID " + id + " is already registered.");
            } else {
                this.types.put(id, type);
            }
        }
    }

    /**
     * Returns {@link DebugConfigurationType} by the given ID or {@code null} if none.
     *
     * @param id
     *         the ID of the debug configuration type
     * @return {@link DebugConfigurationType} or {@code null}
     */
    @Nullable
    public DebugConfigurationType getConfigurationTypeById(String id) {
        return types.get(id);
    }

    /** Returns all registered debug configuration types. */
    @NotNull
    public Collection<DebugConfigurationType> getTypes() {
        return types.values();
    }
}