com.google.gerrit.server.plugins.MultipleProvidersForPluginException.java Source code

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Here is the source code for com.google.gerrit.server.plugins.MultipleProvidersForPluginException.java

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// Copyright (C) 2014 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.gerrit.server.plugins;

import com.google.common.base.Function;
import com.google.common.base.Joiner;
import com.google.common.collect.Iterables;

import java.nio.file.Path;

class MultipleProvidersForPluginException extends IllegalArgumentException {
    private static final long serialVersionUID = 1L;

    MultipleProvidersForPluginException(Path pluginSrcPath, Iterable<ServerPluginProvider> providersHandlers) {
        super(pluginSrcPath.toAbsolutePath() + " is claimed to be handled by more than one plugin provider: "
                + providersListToString(providersHandlers));
    }

    private static String providersListToString(Iterable<ServerPluginProvider> providersHandlers) {
        Iterable<String> providerNames = Iterables.transform(providersHandlers,
                new Function<ServerPluginProvider, String>() {
                    @Override
                    public String apply(ServerPluginProvider provider) {
                        return provider.getProviderPluginName();
                    }
                });
        return Joiner.on(", ").join(providerNames);
    }
}