How to use

Configurable

in

aQute.bnd.annotation.metatype

public static <T> T createConfigurable(Class<T> c, Dictionary<?, ?> properties) {
  Map<Object, Object> alt = new HashMap<>();
  for (Enumeration<?> e = properties.keys(); e.hasMoreElements();) {
    Object key = e.nextElement();
    alt.put(key, properties.get(key));
  }
  return createConfigurable(c, alt);
}

private Collection< ? > toCollection(Object o) {
  if (o instanceof Collection)
    return (Collection< ? >) o;
  if (o.getClass().isArray()) {
    if (o.getClass().getComponentType().isPrimitive()) {
      int length = Array.getLength(o);
      List<Object> result = new ArrayList<Object>(length);
      for (int i = 0; i < length; i++) {
        result.add(Array.get(o, i));
      }
      return result;
    }
    return Arrays.asList((Object[]) o);
  }
  if (o instanceof String) {
    String s = (String) o;
    if (SPLITTER_P.matcher(s).find())
      return Arrays.asList(s.split("\\|"));
    else 
      return unescape(s);
    
  }
  return Arrays.asList(o);
}

public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
  Meta.AD ad = method.getAnnotation(Meta.AD.class);
  String id = Configurable.mangleMethodName(method.getName());
  if (ad != null && !ad.id().equals(Meta.NULL))
    id = ad.id();
  Object o = properties.get(id);
  if (o == null) {
    if (ad != null) {
      if (ad.required())
        throw new IllegalStateException("Attribute is required but not set "
            + method.getName());
      o = ad.deflt();
      if (o.equals(Meta.NULL))
        o = null;
    }
  }
  if (o == null) {
    if (method.getReturnType().isPrimitive()
        || Number.class.isAssignableFrom(method.getReturnType())) {
      o = "0";
    } else
      return null;
  }
  return convert(method.getGenericReturnType(), o);
}

@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
  Meta.AD ad = method.getAnnotation(Meta.AD.class);
  String id = Configurable.mangleMethodName(method.getName());
  if (ad != null && !ad.id()
    .equals(Meta.NULL))
    id = ad.id();
  Object o = properties.get(id);
  if (o == null) {
    if (ad != null) {
      if (ad.required())
        throw new IllegalStateException("Attribute is required but not set " + method.getName());
      o = ad.deflt();
      if (o.equals(Meta.NULL))
        o = null;
    }
  }
  if (o == null) {
    Class<?> rt = method.getReturnType();
    if (rt == boolean.class)
      return false;
    if (method.getReturnType()
      .isPrimitive()) {
      o = "0";
    } else
      return null;
  }
  return convert(method.getGenericReturnType(), o);
}

public static <T> T createConfigurable(Class<T> c, Dictionary< ? , ? > properties) {
  Map<Object,Object> alt = new HashMap<Object,Object>();
  for (Enumeration< ? > e = properties.keys(); e.hasMoreElements();) {
    Object key = e.nextElement();
    alt.put(key, properties.get(key));
  }
  return createConfigurable(c, alt);
}

@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
  Meta.AD ad = method.getAnnotation(Meta.AD.class);
  String id = Configurable.mangleMethodName(method.getName());
  if (ad != null && !ad.id()
    .equals(Meta.NULL))
    id = ad.id();
  Object o = properties.get(id);
  if (o == null) {
    if (ad != null) {
      if (ad.required())
        throw new IllegalStateException("Attribute is required but not set " + method.getName());
      o = ad.deflt();
      if (o.equals(Meta.NULL))
        o = null;
    }
  }
  if (o == null) {
    Class<?> rt = method.getReturnType();
    if (rt == boolean.class)
      return false;
    if (method.getReturnType()
      .isPrimitive()) {
      o = "0";
    } else
      return null;
  }
  return convert(method.getGenericReturnType(), o);
}

private Collection< ? > toCollection(Object o) {
  if (o instanceof Collection)
    return (Collection< ? >) o;
  if (o.getClass().isArray()) {
    if (o.getClass().getComponentType().isPrimitive()) {
      int length = Array.getLength(o);
      List<Object> result = new ArrayList<Object>(length);
      for (int i = 0; i < length; i++) {
        result.add(Array.get(o, i));
      }
      return result;
    }
    return Arrays.asList((Object[]) o);
  }
  if (o instanceof String) {
    String s = (String) o;
    if (SPLITTER_P.matcher(s).find())
      return Arrays.asList(s.split("\\|"));
    else 
      return unescape(s);
    
  }
  return Arrays.asList(o);
}

public static <T> T createConfigurable(Class<T> c, Dictionary< ? , ? > properties) {
  Map<Object,Object> alt = new HashMap<Object,Object>();
  for (Enumeration< ? > e = properties.keys(); e.hasMoreElements();) {
    Object key = e.nextElement();
    alt.put(key, properties.get(key));
  }
  return createConfigurable(c, alt);
}

public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
  Meta.AD ad = method.getAnnotation(Meta.AD.class);
  String id = Configurable.mangleMethodName(method.getName());
  if (ad != null && !ad.id().equals(Meta.NULL))
    id = ad.id();
  Object o = properties.get(id);
  if (o == null) {
    if (ad != null) {
      if (ad.required())
        throw new IllegalStateException("Attribute is required but not set " + method.getName());
      o = ad.deflt();
      if (o.equals(Meta.NULL))
        o = null;
    }
  }
  if (o == null) {
    Class< ? > rt = method.getReturnType();
    if (rt == boolean.class || rt == Boolean.class)
      return false;
    if (method.getReturnType().isPrimitive()) {
      o = "0";
    } else
      return null;
  }
  return convert(method.getGenericReturnType(), o);
}

private Collection< ? > toCollection(Object o) {
  if (o instanceof Collection)
    return (Collection< ? >) o;
  if (o.getClass().isArray()) {
    if (o.getClass().getComponentType().isPrimitive()) {
      int length = Array.getLength(o);
      List<Object> result = new ArrayList<Object>(length);
      for (int i = 0; i < length; i++) {
        result.add(Array.get(o, i));
      }
      return result;
    }
    return Arrays.asList((Object[]) o);
  }
  if (o instanceof String) {
    String s = (String) o;
    if (SPLITTER_P.matcher(s).find())
      return Arrays.asList(s.split("\\|"));
    else 
      return unescape(s);
    
  }
  return Arrays.asList(o);
}

public static <T> T createConfigurable(Class<T> c, Dictionary<?, ?> properties) {
  Map<Object,Object> alt = new HashMap<Object,Object>();
  for( Enumeration<?> e = properties.keys(); e.hasMoreElements(); ) {
    Object key = e.nextElement();
    alt.put(key, properties.get(key));
  }
  return createConfigurable(c, alt);
}

public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
  Meta.AD ad = method.getAnnotation(Meta.AD.class);
  String id = Configurable.mangleMethodName(method.getName());
  if (ad != null && !ad.id().equals(Meta.NULL))
    id = ad.id();
  Object o = properties.get(id);
  if (o == null) {
    if (ad != null) {
      if (ad.required())
        throw new IllegalStateException("Attribute is required but not set " + method.getName());
      o = ad.deflt();
      if (o.equals(Meta.NULL))
        o = null;
    }
  }
  if (o == null) {
    Class< ? > rt = method.getReturnType();
    if (rt == boolean.class )
      return false;
    
    if (method.getReturnType().isPrimitive()) {
      o = "0";
    } else
      return null;
  }
  return convert(method.getGenericReturnType(), o);
}

private Collection<?> toCollection(Object o) {
  if (o instanceof Collection)
    return (Collection<?>) o;
  if (o.getClass()
    .isArray()) {
    if (o.getClass()
      .getComponentType()
      .isPrimitive()) {
      int length = Array.getLength(o);
      List<Object> result = new ArrayList<>(length);
      for (int i = 0; i < length; i++) {
        result.add(Array.get(o, i));
      }
      return result;
    }
    return Arrays.asList((Object[]) o);
  }
  if (o instanceof String) {
    String s = (String) o;
    if (SPLITTER_P.matcher(s)
      .find())
      return Arrays.asList(s.split("\\|"));
    else
      return unescape(s);
  }
  return Arrays.asList(o);
}

public static <T> T createConfigurable(Class<T> c, Dictionary< ? , ? > properties) {
  Map<Object,Object> alt = new HashMap<Object,Object>();
  for (Enumeration< ? > e = properties.keys(); e.hasMoreElements();) {
    Object key = e.nextElement();
    alt.put(key, properties.get(key));
  }
  return createConfigurable(c, alt);
}

public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
  Meta.AD ad = method.getAnnotation(Meta.AD.class);
  String id = Configurable.mangleMethodName(method.getName());
  if (ad != null && !ad.id().equals(Meta.NULL))
    id = ad.id();
  Object o = properties.get(id);
  if (o == null) {
    if (ad != null) {
      if (ad.required())
        throw new IllegalStateException("Attribute is required but not set " + method.getName());
      o = ad.deflt();
      if (o.equals(Meta.NULL))
        o = null;
    }
  }
  if (o == null) {
    Class< ? > rt = method.getReturnType();
    if (rt == boolean.class )
      return false;
    
    if (method.getReturnType().isPrimitive()) {
      o = "0";
    } else
      return null;
  }
  return convert(method.getGenericReturnType(), o);
}

private Collection<?> toCollection(Object o) {
  if (o instanceof Collection)
    return (Collection<?>) o;
  if (o.getClass()
    .isArray()) {
    if (o.getClass()
      .getComponentType()
      .isPrimitive()) {
      int length = Array.getLength(o);
      List<Object> result = new ArrayList<>(length);
      for (int i = 0; i < length; i++) {
        result.add(Array.get(o, i));
      }
      return result;
    }
    return Arrays.asList((Object[]) o);
  }
  if (o instanceof String) {
    String s = (String) o;
    if (SPLITTER_P.matcher(s)
      .find())
      return Arrays.asList(s.split("\\|"));
    else
      return unescape(s);
  }
  return Arrays.asList(o);
}

public static <T> T createConfigurable(Class<T> c, Dictionary< ? , ? > properties) {
  Map<Object,Object> alt = new HashMap<Object,Object>();
  for (Enumeration< ? > e = properties.keys(); e.hasMoreElements();) {
    Object key = e.nextElement();
    alt.put(key, properties.get(key));
  }
  return createConfigurable(c, alt);
}

public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
  Meta.AD ad = method.getAnnotation(Meta.AD.class);
  String id = Configurable.mangleMethodName(method.getName());
  if (ad != null && !ad.id().equals(Meta.NULL))
    id = ad.id();
  Object o = properties.get(id);
  if (o == null) {
    if (ad != null) {
      if (ad.required())
        throw new IllegalStateException("Attribute is required but not set " + method.getName());
      o = ad.deflt();
      if (o.equals(Meta.NULL))
        o = null;
    }
  }
  if (o == null) {
    Class< ? > rt = method.getReturnType();
    if (rt == boolean.class )
      return false;
    
    if (method.getReturnType().isPrimitive()) {
      o = "0";
    } else
      return null;
  }
  return convert(method.getGenericReturnType(), o);
}

private Collection<?> toCollection(Object o) {
  if (o instanceof Collection)
    return (Collection<?>) o;
  if (o.getClass()
    .isArray()) {
    if (o.getClass()
      .getComponentType()
      .isPrimitive()) {
      int length = Array.getLength(o);
      List<Object> result = new ArrayList<>(length);
      for (int i = 0; i < length; i++) {
        result.add(Array.get(o, i));
      }
      return result;
    }
    return Arrays.asList((Object[]) o);
  }
  if (o instanceof String) {
    String s = (String) o;
    if (SPLITTER_P.matcher(s)
      .find())
      return Arrays.asList(s.split("\\|"));
    else
      return unescape(s);
  }
  return Arrays.asList(o);
}

public static <T> T createConfigurable(Class<T> c, Dictionary<?, ?> properties) {
  Map<Object, Object> alt = new HashMap<>();
  for (Enumeration<?> e = properties.keys(); e.hasMoreElements();) {
    Object key = e.nextElement();
    alt.put(key, properties.get(key));
  }
  return createConfigurable(c, alt);
}