net.logstash.logback.encoder.SeparatorParser Maven / Gradle / Ivy

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Provides logback encoders, layouts, and appenders to log in JSON and other formats supported by Jackson

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/**
 * 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.
 */
package net.logstash.logback.encoder;

public class SeparatorParser {
    
    /**
     * Parses the given separator string.
     * 
     * 
     * The following values have special meaning:
     * 

     * null or empty string = no separator.
     * "SYSTEM" = operating system new line.
     * "UNIX" = unix line ending (\n).
     * "WINDOWS" = windows line ending (\r\n).
     * 
     * 
     * Any other value will be returned as-is.
     */
    public static String parseSeparator(String separator) {
        if (separator == null || separator.isEmpty()) {
            return null;
        }
        if (separator.equalsIgnoreCase("SYSTEM")) {
            return System.lineSeparator();
        }
        if (separator.equalsIgnoreCase("UNIX")) {
            return "\n";
        }
        if (separator.equalsIgnoreCase("WINDOWS")) {
            return "\r\n";
        }
        return separator;
    }

}