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/**
 * The MIT License (MIT)
 *
 * Copyright (c) 2011-2016 Incapture Technologies LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
package rapture.kernel.plugin;

import org.apache.commons.lang.StringUtils;

import rapture.common.CallingContext;
import rapture.common.PluginTransportItem;
import rapture.common.RaptureURI;
import rapture.common.exception.RaptureExceptionFactory;
import rapture.common.impl.jackson.JacksonUtil;
import rapture.common.model.BlobRepoConfig;
import rapture.kernel.Kernel;

public class BlobRepoMaker implements RaptureInstaller {

    @Override
    public void install(CallingContext context, RaptureURI uri, PluginTransportItem item) {
        String uriString = uri.toString();
        BlobRepoConfig config = JacksonUtil.objectFromJson(item.getContent(), BlobRepoConfig.class);
        if (Kernel.getBlob().blobRepoExists(context, uriString)) {
            BlobRepoConfig remote = Kernel.getBlob().getBlobRepoConfig(context, uriString);
            if (remote == null) {
                throw RaptureExceptionFactory.create("Unable to load config for existing repository: " + uriString);
            }
            if (!StringUtils.equals(format(remote.getConfig()), format(config.getConfig()))) {
                throw RaptureExceptionFactory
                        .create("Repository already exists with differing configuration: " + uriString + "\nOld config = " + remote.getConfig()
                                + "\nNewConfig = " + config.getConfig());
            }
            if (!StringUtils.equals(format(remote.getMetaConfig()), format(config.getMetaConfig()))) {
                throw RaptureExceptionFactory
                        .create("Repository already exists with differing metadata configuration: " + uriString + "\nOld config = " + remote.getMetaConfig()
                                + "\nNewConfig = " + config.getMetaConfig());
            }
        } else {
            Kernel.getBlob().createBlobRepo(context, uriString, config.getConfig(), config.getMetaConfig());
        }
    }

    @Override
    public void remove(CallingContext context, RaptureURI uri, PluginTransportItem item) {
        String uriString = uri.toString();
        if (Kernel.getBlob().blobRepoExists(context, uriString)) {
            Kernel.getBlob().deleteBlobRepo(context, uriString);
        }

    }

    private String format(String in) {
        return in.replace(" ", "").replace("\t", "").replace("\n", "");
    }
}