org.apache.maven.wrapper.cli.AbstractPropertiesCommandLineConverter Maven / Gradle / Ivy

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/*
 * 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.maven.wrapper.cli;

import java.util.HashMap;
import java.util.Map;

/**
 * Converter form properties.
 */
public abstract class AbstractPropertiesCommandLineConverter extends AbstractCommandLineConverter> {
    protected abstract String getPropertyOption();

    protected abstract String getPropertyOptionDetailed();

    protected abstract String getPropertyOptionDescription();

    public void configure(CommandLineParser parser) {
        CommandLineOption option = parser.option(getPropertyOption(), getPropertyOptionDetailed());
        option = option.hasArguments();
        option.hasDescription(getPropertyOptionDescription());
    }

    protected Map newInstance() {
        return new HashMap<>();
    }

    public Map convert(ParsedCommandLine options, Map properties)
            throws CommandLineArgumentException {
        for (String keyValueExpression : options.option(getPropertyOption()).getValues()) {
            int pos = keyValueExpression.indexOf("=");
            if (pos < 0) {
                properties.put(keyValueExpression, "");
            } else {
                properties.put(keyValueExpression.substring(0, pos), keyValueExpression.substring(pos + 1));
            }
        }
        return properties;
    }
}