fineract-core/src/main/java/org/apache/fineract/infrastructure/core/service/ExternalIdFactory.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * 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
 * 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.apache.fineract.infrastructure.core.service;

import lombok.RequiredArgsConstructor;
import org.apache.commons.lang3.StringUtils;
import org.apache.fineract.infrastructure.configuration.domain.ConfigurationDomainService;
import org.apache.fineract.infrastructure.core.api.JsonCommand;
import org.apache.fineract.infrastructure.core.domain.ExternalId;
import org.springframework.stereotype.Component;

@Component
@RequiredArgsConstructor
public class ExternalIdFactory {

    private final ConfigurationDomainService configurationDomainService;

    public static ExternalId produce(String value) {
        return StringUtils.isBlank(value) ? ExternalId.empty() : new ExternalId(value);
    }

    public ExternalId createFromCommand(JsonCommand command, final String externalIdKey) {
        String externalIdStr = null;
        if (command.parsedJson() != null) {
            externalIdStr = command.stringValueOfParameterNamedAllowingNull(externalIdKey);
        }
        return create(externalIdStr);
    }

    public ExternalId create(String externalIdStr) {
        if (StringUtils.isBlank(externalIdStr)) {
            if (configurationDomainService.isExternalIdAutoGenerationEnabled()) {
                return ExternalId.generate();
            } else {
                return ExternalId.empty();
            }
        }
        return new ExternalId(externalIdStr);
    }

    public ExternalId create() {
        return create(null);
    }
}