org.eclipse.jetty.deploy.PropertiesConfigurationManager Maven / Gradle / Ivy

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//
//  ========================================================================
//  Copyright (c) 1995-2022 Mort Bay Consulting Pty Ltd and others.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.deploy;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.MalformedURLException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;

import org.eclipse.jetty.util.annotation.ManagedAttribute;
import org.eclipse.jetty.util.annotation.ManagedObject;
import org.eclipse.jetty.util.annotation.ManagedOperation;
import org.eclipse.jetty.util.annotation.Name;
import org.eclipse.jetty.util.resource.Resource;

/**
 * FileConfigurationManager
 *
 * Supplies properties defined in a file.
 */
@ManagedObject("Configure deployed webapps via properties")
public class PropertiesConfigurationManager implements ConfigurationManager
{
    private String _properties;
    private final Map _map = new HashMap();

    public PropertiesConfigurationManager(String properties)
    {
    }

    public PropertiesConfigurationManager()
    {
    }

    @ManagedAttribute("A file or URL of properties")
    public void setFile(String resource) throws IOException
    {
        _properties = resource;
        _map.clear();
        loadProperties(_properties);
    }

    public String getFile()
    {
        return _properties;
    }

    @ManagedOperation("Set a property")
    public void put(@Name("name") String name, @Name("value") String value)
    {
        _map.put(name, value);
    }

    /**
     * @see org.eclipse.jetty.deploy.ConfigurationManager#getProperties()
     */
    @Override
    public Map getProperties()
    {
        return new HashMap<>(_map);
    }

    private void loadProperties(String resource) throws IOException
    {
        Resource file = Resource.newResource(resource);
        if (file != null && file.exists())
        {
            Properties properties = new Properties();
            properties.load(file.getInputStream());
            for (Map.Entry entry : properties.entrySet())
            {
                _map.put(entry.getKey().toString(), String.valueOf(entry.getValue()));
            }
        }
    }
}