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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation. All rights reserved.
* Copyright (C) 2020-2021 Nokia. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.collectors.datafile.commons;
import org.onap.dcaegen2.collectors.datafile.exceptions.DatafileTaskException;
/**
* Enum specifying the schemes that DFC support for downloading files.
*
* @author <a href="mailto:henrik.b.andersson@est.tech">Henrik Andersson</a>
*
*/
public enum Scheme {
FTPES, SFTP, HTTP, HTTPS;
public static final String DFC_DOES_NOT_SUPPORT_PROTOCOL_ERROR_MSG = "DFC does not support protocol ";
public static final String SUPPORTED_PROTOCOLS_ERROR_MESSAGE = ". Supported protocols are FTPeS, sFTP, HTTP and HTTPS";
/**
* Get a <code>Scheme</code> from a string.
*
* @param schemeString the string to convert to <code>Scheme</code>.
* @return The corresponding <code>Scheme</code>
* @throws DatafileTaskException if the value of the string doesn't match any defined scheme.
*/
public static Scheme getSchemeFromString(String schemeString) throws DatafileTaskException {
Scheme result;
if ("FTPES".equalsIgnoreCase(schemeString)) {
result = Scheme.FTPES;
} else if ("SFTP".equalsIgnoreCase(schemeString)) {
result = Scheme.SFTP;
} else if ("HTTP".equalsIgnoreCase(schemeString)) {
result = Scheme.HTTP;
} else if ("HTTPS".equalsIgnoreCase(schemeString)) {
result = Scheme.HTTPS;
} else {
throw new DatafileTaskException(
DFC_DOES_NOT_SUPPORT_PROTOCOL_ERROR_MSG + schemeString + SUPPORTED_PROTOCOLS_ERROR_MESSAGE);
}
return result;
}
/**
* Check if <code>Scheme</code> is FTP type or HTTP type.
*
* @param scheme the <code>Scheme</code> which has to be checked.
* @return true if <code>Scheme</code> is FTP type or false if it is HTTP type
*/
public static boolean isFtpScheme(Scheme scheme) {
return scheme == SFTP || scheme == FTPES;
}
}
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