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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* Modifications Copyright (C) 2021 AT&T Intellectual Property. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.models.dao.converters;
import com.google.re2j.Pattern;
import javax.persistence.AttributeConverter;
import javax.persistence.Converter;
import javax.xml.bind.annotation.adapters.XmlAdapter;
/**
* The Class CDataConditioner converts a CDATA String to and from database format by removing spaces
* at the ends of lines and platform-specific new line endings.
*/
@Converter
public class CDataConditioner extends XmlAdapter<String, String> implements AttributeConverter<String, String> {
private static final Pattern TRAILING_SPACE_PAT = Pattern.compile("\\s+$");
private static final String NL = "\n";
@Override
public String convertToDatabaseColumn(final String raw) {
return clean(raw);
}
@Override
public String convertToEntityAttribute(final String db) {
return clean(db);
}
@Override
public String unmarshal(final String value) throws Exception {
return this.convertToEntityAttribute(value);
}
@Override
public String marshal(final String value) throws Exception {
return this.convertToDatabaseColumn(value);
}
/**
* Clean.
*
* @param in the in
* @return the string
*/
public static final String clean(final String in) {
if (in == null) {
return null;
} else {
return TRAILING_SPACE_PAT.matcher(in).replaceAll("").replaceAll("\\r?\\n", NL);
}
}
}
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