ratpack.config.internal.source.ArgsConfigSource.java Source code

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Here is the source code for ratpack.config.internal.source.ArgsConfigSource.java

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/*
 * Copyright 2015 the original author or authors.
 *
 * 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 ratpack.config.internal.source;

import com.google.common.base.Splitter;

import java.util.List;
import java.util.Optional;
import java.util.Properties;

public class ArgsConfigSource extends AbstractPropertiesConfigSource {

    private final String separator;
    private final String[] args;

    public ArgsConfigSource(String prefix, String separator, String[] args) {
        super(Optional.ofNullable(prefix));
        this.separator = separator;
        this.args = args;
    }

    @Override
    protected Properties loadProperties() throws Exception {
        Splitter splitter = Splitter.on(separator).limit(2);
        Properties properties = new Properties();
        for (String arg : args) {
            List<String> values = splitter.splitToList(arg);
            if (values.size() == 1) {
                properties.put(values.get(0), "");
            } else {
                properties.put(values.get(0), values.get(1));
            }
        }
        return properties;
    }
}