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1   package org.opentrafficsim.xml.bindings;
2   
3   import org.djutils.exceptions.Throw;
4   import org.opentrafficsim.xml.bindings.types.DoubleType;
5   
6   /**
7    * Adapter for positive factors.
8    * <p>
9    * Copyright (c) 2023-2024 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
10   * BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
11   * </p>
12   * @author <a href="https://github.com/wjschakel">Wouter Schakel</a>
13   */
14  public class PositiveFactorAdapter extends ExpressionAdapter<Double, DoubleType>
15  {
16  
17      /** {@inheritDoc} */
18      @Override
19      public DoubleType unmarshal(final String value)
20      {
21          if (isExpression(value))
22          {
23              return new DoubleType(trimBrackets(value));
24          }
25          double factor = value.endsWith("%") ? Double.parseDouble(value.substring(0, value.length() - 1)) / 100.0
26                  : Double.parseDouble(value);
27          Throw.when(factor < 0.0, RuntimeException.class, "Factor %d is not positive.", factor);
28          return new DoubleType(factor);
29      }
30  
31  }