qadevOOo/runner/lib/DynamicClassLoader.java

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   9  * $RCSfile: DynamicClassLoader.java,v $
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  30
  31 package lib ;
  32
  33 import java.lang.reflect.Constructor;
  34
  35 /**
  36  * @deprecated: moved to util package.
  37  */
  38 public class DynamicClassLoader {
  39
  40     /**
  41     * This method returns a class created by it's name
  42     * created by call to <code>Class.forName()</code>.<p>
  43     * This method must be overloaded if another loading
  44     * policy is required for Component and Interface
  45     * testing classes.
  46     */
  47     public static Class forName(String className)
  48         throws ClassNotFoundException {
  49
  50         return Class.forName(className) ;
  51     }
  52
  53         public Object getInstance(String className)
  54                                             throws IllegalArgumentException {
  55             try {
  56                 Class cls = DynamicClassLoader.forName(className);
  57                 return cls.newInstance();
  58             } catch ( ClassNotFoundException e ) {
  59                 throw new IllegalArgumentException("Couldn't find " + className
  60                         + " " + e);
  61             } catch ( IllegalAccessException e ) {
  62                 throw new IllegalArgumentException("Couldn't access " + className
  63                         + " " + e);
  64             } catch ( InstantiationException e ) {
  65                 throw new IllegalArgumentException("Couldn't instantiate " +
  66                                 className + " " + e);
  67             }
  68         }
  69
  70         public Object getInstance(String className, Object[] ctorArgs)
  71                                             throws IllegalArgumentException {
  72             try {
  73                 Class cls = DynamicClassLoader.forName(className);
  74                 Class[] ctorType = new Class[ctorArgs.length];
  75                 for(int i=0; i<ctorType.length; i++) {
  76                     ctorType[i] = ctorArgs[i].getClass();
  77                 }
  78                 Constructor ctor = cls.getConstructor(ctorType);
  79                 return ctor.newInstance(ctorArgs);
  80             } catch ( ClassNotFoundException e ) {
  81                 throw new IllegalArgumentException("Couldn't find " + className
  82                         + " " + e);
  83             } catch ( IllegalAccessException e ) {
  84                 throw new IllegalArgumentException("Couldn't access " + className
  85                         + " " + e);
  86             } catch ( NoSuchMethodException e ) {
  87                 throw new IllegalArgumentException("Couldn't find constructor for " + className
  88                         + " " + e);
  89             } catch ( java.lang.reflect.InvocationTargetException e ) {
  90                 throw new IllegalArgumentException("Couldn't invoke " +
  91                                 className + " " + e);
  92             } catch ( InstantiationException e ) {
  93                 throw new IllegalArgumentException("Couldn't instantiate " +
  94                                 className + " " + e);
  95             }
  96         }
  97 }