Java AbstractMap Usage parseExportedVariable(String exportedVariable)

Description

Parses an exported variable (<variableName> = <defaultValue>).

License

Apache License

Parameter

Parameter	Description
exportedVariable	an exported variable (not null)

Return

a map entry (key = variable name, value = default value)

Declaration

public static Map.Entry<String, String> parseExportedVariable(String exportedVariable) 

Method Source Code

//package com.java2s;
/**/*from www .j a v  a2s. c  o  m*/
 * Copyright 2014 Linagora, Universit? Joseph Fourier
 *
 * 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.
 */

import java.util.AbstractMap;

import java.util.Map;

public class Main {
    /**
     * Parses an exported variable (<variableName> = <defaultValue>).
     * <p>
     * The equal symbol and default value are optional.
     * </p>
     *
     * @param exportedVariable an exported variable (not null)
     * @return a map entry (key = variable name, value = default value)
     */
    public static Map.Entry<String, String> parseExportedVariable(String exportedVariable) {

        int index = exportedVariable.indexOf('=');
        String varName = exportedVariable, defaultValue = null;
        if (index > 0) {
            varName = exportedVariable.substring(0, index).trim();
            defaultValue = exportedVariable.substring(index + 1).trim();
        }

        return new AbstractMap.SimpleEntry<String, String>(varName, defaultValue);
    }
}

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