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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package org.libreoffice.report.util;
import org.libreoffice.report.ParameterMap;
import java.util.HashMap;
import java.util.Map;
public class DefaultParameterMap implements ParameterMap
{
private final Map<String,Object> backend;
public DefaultParameterMap()
{
backend = new HashMap<String,Object>();
}
/**
* Retrieves the value stored for a key in this properties collection.
*
* @param key the property key.
* @return The stored value, or <code>null</code> if the key does not exist in this
* collection.
*/
public Object get(final String key)
{
if (key == null)
{
throw new NullPointerException("DefaultParameterMap.get (..): Parameter 'key' must not be null");
}
return backend.get(key);
}
public String[] keys()
{
return this.backend.keySet().toArray(new String[backend.size()]);
}
}
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