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 * distributed with this work for additional information        *
 * regarding copyright ownership.  The ASF licenses this file   *
 * to you under the Apache License, Version 2.0 (the            *
 * "License"); you may not use this file except in compliance   *
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 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.james.modules.server;

import org.apache.james.mailrepository.api.MailRepository;
import org.apache.james.mailrepository.api.MailRepositoryStore;
import org.apache.james.mailrepository.api.MailRepositoryUrl;
import org.apache.james.mailrepository.memory.MailRepositoryLoader;
import org.apache.james.utils.ClassName;
import org.apache.james.utils.GuiceGenericLoader;

import com.google.inject.Inject;
import com.google.inject.Module;

public class GuiceMailRepositoryLoader implements MailRepositoryLoader {
    private final GuiceGenericLoader genericLoader;

    @Inject
    public GuiceMailRepositoryLoader(GuiceGenericLoader genericLoader) {
        this.genericLoader = genericLoader;
    }

    @Override
    public MailRepository load(String fullyQualifiedClassName, MailRepositoryUrl url) throws MailRepositoryStore.MailRepositoryStoreException {
        try {
            Module urlModule = binder -> binder.bind(MailRepositoryUrl.class).toInstance(url);

            return genericLoader.<MailRepository>withChildModule(urlModule)
                .instantiate(new ClassName(fullyQualifiedClassName));
        } catch (ClassNotFoundException e) {
            throw new MailRepositoryStore.UnsupportedRepositoryStoreException("No Mail Repository found with class name " + fullyQualifiedClassName);
        } catch (ClassCastException e) {
            throw new MailRepositoryStore.MailRepositoryStoreException(fullyQualifiedClassName + " is not a MailRepository");
        }
    }
}
