runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/PrimitiveUtils.java

   1 package org.argeo.slc.core.execution;
   2
   3
   4 public class PrimitiveUtils {
   5         public final static String TYPE_STRING = "string";
   6         public final static String TYPE_INTEGER = "integer";
   7         public final static String TYPE_LONG = "long";
   8         public final static String TYPE_FLOAT = "float";
   9         public final static String TYPE_DOUBLE = "double";
  10         public final static String TYPE_BOOLEAN = "boolean";
  11
  12         private PrimitiveUtils() {
  13
  14         }
  15
  16         /** @return the class or null if the provided type is not a primitive */
  17         public static Class<?> typeAsClass(String type) {
  18                 if (TYPE_STRING.equals(type))
  19                         return String.class;
  20                 else if (TYPE_INTEGER.equals(type))
  21                         return Integer.class;
  22                 else if (TYPE_LONG.equals(type))
  23                         return Long.class;
  24                 else if (TYPE_FLOAT.equals(type))
  25                         return Float.class;
  26                 else if (TYPE_DOUBLE.equals(type))
  27                         return Double.class;
  28                 else if (TYPE_BOOLEAN.equals(type))
  29                         return Boolean.class;
  30                 else
  31                         return null;
  32         }
  33
  34         /** @return the type or null if the provided class is not a primitive */
  35         public static String classAsType(Class<?> clss) {
  36                 if (String.class.isAssignableFrom(clss))
  37                         return TYPE_STRING;
  38                 else if (Integer.class.isAssignableFrom(clss))
  39                         return TYPE_INTEGER;
  40                 else if (Long.class.isAssignableFrom(clss))
  41                         return TYPE_LONG;
  42                 else if (Float.class.isAssignableFrom(clss))
  43                         return TYPE_FLOAT;
  44                 else if (Double.class.isAssignableFrom(clss))
  45                         return TYPE_DOUBLE;
  46                 else if (Boolean.class.isAssignableFrom(clss))
  47                         return TYPE_BOOLEAN;
  48                 else
  49                         return null;
  50         }
  51
  52         public static Object convert(String type, String str) {
  53                 if (TYPE_STRING.equals(type)) {
  54                         return str;
  55                 } else if (TYPE_INTEGER.equals(type)) {
  56                         return (Integer.parseInt(str));
  57                 } else if (TYPE_LONG.equals(type)) {
  58                         return (Long.parseLong(str));
  59                 } else if (TYPE_FLOAT.equals(type)) {
  60                         return (Float.parseFloat(str));
  61                 } else if (TYPE_DOUBLE.equals(type)) {
  62                         return (Double.parseDouble(str));
  63                 } else if (TYPE_BOOLEAN.equals(type)) {
  64                         return (Boolean.parseBoolean(str));
  65                 } else {
  66                         return str;
  67                 }
  68         }
  69
  70 }