OperationsCatalogStoreSupport.java

/**
 * Copyright (c) Codice Foundation
 * <p/>
 * This is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser
 * General Public License as published by the Free Software Foundation, either version 3 of the
 * License, or any later version.
 * <p/>
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details. A copy of the GNU Lesser General Public License
 * is distributed along with this program and can be found at
 * <http://www.gnu.org/licenses/lgpl.html>.
 */
package ddf.catalog.impl.operations;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Set;

import org.apache.commons.collections.CollectionUtils;

import ddf.catalog.impl.FrameworkProperties;
import ddf.catalog.operation.ProcessingDetails;
import ddf.catalog.operation.Request;
import ddf.catalog.operation.impl.ProcessingDetailsImpl;
import ddf.catalog.source.CatalogStore;

/**
 * Support class for working with {@code CatalogStore}s for the {@code CatalogFrameworkImpl}.
 *
 * This class contains methods specific to catalog stores for the CFI and its
 * support classes. No operations/support methods should be added to this class except in support
 * of CFI, specific to catalog stores.
 */
public class OperationsCatalogStoreSupport {
    // Inject properties
    private final FrameworkProperties frameworkProperties;

    private final SourceOperations sourceOperations;

    public OperationsCatalogStoreSupport(FrameworkProperties frameworkProperties,
            SourceOperations sourceOperations) {
        this.frameworkProperties = frameworkProperties;
        this.sourceOperations = sourceOperations;
    }

    List<CatalogStore> getCatalogStoresForRequest(Request request,
            Set<ProcessingDetails> exceptions) {
        if (!isCatalogStoreRequest(request)) {
            return Collections.emptyList();
        }

        List<CatalogStore> results = new ArrayList<>(request.getStoreIds()
                .size());
        for (String destination : request.getStoreIds()) {
            if (frameworkProperties.getCatalogStoresMap()
                    .containsKey(destination)) {
                results.add(frameworkProperties.getCatalogStoresMap()
                        .get(destination));
            } else if (sourceOperations.getCatalog() == null
                    || !destination.equals(sourceOperations.getCatalog()
                    .getId())) {
                exceptions.add(new ProcessingDetailsImpl(destination,
                        null,
                        "CatalogStore does not exist"));
            }
        }
        return results;
    }

    boolean isCatalogStoreRequest(Request request) {
        return request != null && CollectionUtils.isNotEmpty(request.getStoreIds()) && (
                request.getStoreIds()
                        .size() > 1 || sourceOperations.getCatalog() == null
                        || !request.getStoreIds()
                        .contains(sourceOperations.getCatalog()
                                .getId()));
    }
}