/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you 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 org.elasticsearch.repositories;

import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;

import java.io.IOException;

/**
 * Generic repository exception
 */
public class RepositoryException extends ElasticsearchException {
    private final String repository;

    public RepositoryException(String repository, String msg) {
        this(repository, msg, null);
    }

    public RepositoryException(String repository, String msg, Throwable cause) {
        super("[" + (repository == null ? "_na" : repository) + "] " + msg, cause);
        this.repository = repository;
    }

    /**
     * Returns repository name
     *
     * @return repository name
     */
    public String repository() {
        return repository;
    }

    public RepositoryException(StreamInput in) throws IOException{
        super(in);
        repository = in.readOptionalString();
    }

    @Override
    public void writeTo(StreamOutput out) throws IOException {
        super.writeTo(out);
        out.writeOptionalString(repository);
    }
}
