git.gag.com Git - debian/openrocket/blob - core/src/net/sf/openrocket/file/DatabaseMotorFinder.java

   1 package net.sf.openrocket.file;
   2
   3 import java.util.List;
   4
   5 import net.sf.openrocket.aerodynamics.Warning;
   6 import net.sf.openrocket.aerodynamics.WarningSet;
   7 import net.sf.openrocket.motor.Motor;
   8 import net.sf.openrocket.motor.Motor.Type;
   9 import net.sf.openrocket.startup.Application;
  10
  11 /**
  12  * A MotorFinder implementation that searches the thrust curve motor database
  13  * for a motor.
  14  *
  15  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  16  */
  17 public class DatabaseMotorFinder implements MotorFinder {
  18
  19         @Override
  20         public Motor findMotor(Type type, String manufacturer, String designation, double diameter, double length, String digest, WarningSet warnings) {
  21
  22                 if (designation == null) {
  23                         warnings.add(Warning.fromString("No motor specified, ignoring."));
  24                         return null;
  25                 }
  26
  27                 List<? extends Motor> motors = Application.getMotorSetDatabase().findMotors(type, manufacturer, designation, diameter, length);
  28
  29                 // No motors
  30                 if (motors.size() == 0) {
  31                         Warning.MissingMotor mmw = new Warning.MissingMotor();
  32                         mmw.setDesignation(designation);
  33                         mmw.setDigest(digest);
  34                         mmw.setDiameter(diameter);
  35                         mmw.setLength(length);
  36                         mmw.setManufacturer(manufacturer);
  37                         mmw.setType(type);
  38                         warnings.add(mmw);
  39                         return null;
  40                 }
  41
  42                 // One motor
  43                 if (motors.size() == 1) {
  44                         Motor m = motors.get(0);
  45                         if (digest != null && !digest.equals(m.getDigest())) {
  46                                 String str = "Motor with designation '" + designation + "'";
  47                                 if (manufacturer != null)
  48                                         str += " for manufacturer '" + manufacturer + "'";
  49                                 str += " has differing thrust curve than the original.";
  50                                 warnings.add(str);
  51                         }
  52                         return m;
  53                 }
  54
  55                 // Multiple motors, check digest for which one to use
  56                 if (digest != null) {
  57
  58                         // Check for motor with correct digest
  59                         for (Motor m : motors) {
  60                                 if (digest.equals(m.getDigest())) {
  61                                         return m;
  62                                 }
  63                         }
  64                         String str = "Motor with designation '" + designation + "'";
  65                         if (manufacturer != null)
  66                                 str += " for manufacturer '" + manufacturer + "'";
  67                         str += " has differing thrust curve than the original.";
  68                         warnings.add(str);
  69
  70                 } else {
  71
  72                         String str = "Multiple motors with designation '" + designation + "'";
  73                         if (manufacturer != null)
  74                                 str += " for manufacturer '" + manufacturer + "'";
  75                         str += " found, one chosen arbitrarily.";
  76                         warnings.add(str);
  77
  78                 }
  79                 return motors.get(0);
  80         }
  81
  82 }