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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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package org.apache.xmpbox.type;

import org.apache.xmpbox.XMPMetadata;

/**
 * Object representation of a Real XMP type
 * 
 * @author a183132
 * 
 */
public class RealType extends AbstractSimpleProperty
{

    private float realValue;

    /**
     * Property Real type constructor (namespaceURI is given)
     * 
     * @param metadata
     *            The metadata to attach to this property
     * @param namespaceURI
     *            the namespace URI to associate to this property
     * @param prefix
     *            The prefix to set for this property
     * @param propertyName
     *            The local Name of this property
     * @param value
     *            The value to set
     */
    public RealType(XMPMetadata metadata, String namespaceURI, String prefix, String propertyName, Object value)
    {
        super(metadata, namespaceURI, prefix, propertyName, value);

    }

    /**
     * return the property value
     * 
     * @return float the property value
     */
    @Override
    public Float getValue()
    {
        return realValue;
    }

    /**
     * Set the property value
     * 
     * @param value
     *            The value to set
     */
    @Override
    public void setValue(Object value)
    {
        if (value instanceof Float)
        {
            realValue = (Float) value;
        }
        else if (value instanceof String)
        {
            // NumberFormatException is thrown (sub of InvalidArgumentException)
            realValue = Float.valueOf((String) value);
        }
        else
        {
            // invalid type of value
            throw new IllegalArgumentException("Value given is not allowed for the Real type: " + value);
        }
    }

    @Override
    public String getStringValue()
    {
        return Float.toString(realValue);
    }

}
