com.epam.deltix.util.xml.PropertiesAdapter Maven / Gradle / Ivy

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/*
 * Copyright 2021 EPAM Systems, Inc
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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 com.epam.deltix.util.xml;

import javax.xml.bind.annotation.adapters.XmlAdapter;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.Properties;

/**
 * Converts a java.util.Properties object to a String in the XML file.
 */
public class PropertiesAdapter extends XmlAdapter {
    public Properties unmarshal(String s) throws Exception {
        Properties properties = new Properties();
        ByteArrayInputStream in = new ByteArrayInputStream(s.getBytes());
        properties.load(in);
        return properties;
    }

    public String marshal(Properties properties) throws Exception {
        if (properties == null) return null;

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        properties.store(out, null);

        return new String(out.toByteArray());
    }
}