List of usage examples for java.lang.reflect Field setFloat
@CallerSensitive @ForceInline public void setFloat(Object obj, float f) throws IllegalArgumentException, IllegalAccessException
From source file:org.j2free.admin.ReflectionMarshaller.java
/** * /* w ww . j a va 2s.c om*/ * @param entity * @param parameterMap * @param controller * @return * @throws MarshallingException */ public Object marshallIn(Object entity, Map<String, String[]> parameterMap, Controller controller) throws MarshallingException { Field field; Converter converter; Method setter; String[] newValues; log.debug("Marshalling in instance of " + entity.getClass().getSimpleName()); boolean error = false, success = false, isEntity = false, isCollection = false; Class collectionType; Class fieldType; for (Map.Entry<Field, Converter> ent : instructions.entrySet()) { // reset flags error = success = isEntity = isCollection = false; field = ent.getKey(); converter = ent.getValue(); if (converter.isReadOnly()) { log.debug("Skipping read-only field " + field.getName()); continue; } newValues = parameterMap.get(field.getName()); if (newValues == null || newValues.length == 0) { log.debug("Skipping field " + field.getName() + ", no new value set."); continue; } isEntity = converter.isEntity(); isCollection = converter.isCollection(); fieldType = field.getType(); collectionType = isCollection ? converter.getType() : null; log.debug("Marshalling in field " + field.getName()); // try to get the original value try { if (!field.isAccessible()) { field.setAccessible(true); } if (field.isAccessible()) { log.debug(field.getName() + " is accessible"); if (!isEntity && !isCollection) { log.debug("!isEntity && !isCollection"); // if it's an array, it needs special treatment if (fieldType.isArray()) { log.debug(field.getName() + " is an Array"); Class arrayType = fieldType.getComponentType(); // If we can, just convert with a cast() if (arrayType.isAssignableFrom(String.class)) { log.debug(arrayType.getName() + " is assignable from String.class"); Object[] newArray = new Object[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = arrayType.cast(newValues[i]); } field.set(entity, newArray); } else { if (isInteger(fieldType)) { Integer[] newArray = new Integer[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Integer.valueOf(newValues[i]); } field.set(entity, newArray); } else if (isFloat(fieldType)) { Float[] newArray = new Float[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Float.valueOf(newValues[i]); } field.set(entity, newArray); } else if (isDouble(fieldType)) { Double[] newArray = new Double[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Double.valueOf(newValues[i]); } field.set(entity, newArray); } else if (isShort(fieldType)) { Short[] newArray = new Short[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Short.valueOf(newValues[i]); } field.set(entity, newArray); } else if (isChar(fieldType)) { field.set(entity, ServletUtils.join(newValues, "").toCharArray()); } else if (isLong(fieldType)) { Long[] newArray = new Long[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Long.valueOf(newValues[i]); } field.set(entity, newArray); } else if (isBoolean(fieldType)) { Boolean[] newArray = new Boolean[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Boolean.valueOf(newValues[i]); } field.set(entity, newArray); } else if (isByte(fieldType)) { Byte[] newArray = new Byte[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Byte.valueOf(newValues[i]); } field.set(entity, newArray); } else { throw new MarshallingException( "Don't know how to marshall an array of a non-primitive, and non-assignable type! field = " + field.getName()); } } } else { // Check out if it's assignable via a straight cast, // that could save time if (fieldType.isAssignableFrom(String.class)) { log.debug(fieldType.getName() + " is assignable from String.class"); // this might throw an exception, but we're going // to ignore it because there are other ways of // setting the value if this doesn't work. try { field.set(entity, fieldType.cast(newValues[0])); log.debug("Assigned via cast"); } catch (Exception e) { log.debug("Error setting field by cast", e); } success = true; } // if it wasn't assignable via a straight cast, try // working around it. if (!success) { if (isInteger(fieldType) && !newValues[0].equals("")) { field.setInt(entity, Integer.valueOf(newValues[0])); } else if (isFloat(fieldType) && !newValues[0].equals("")) { field.setFloat(entity, Float.valueOf(newValues[0])); } else if (isDouble(fieldType) && !newValues[0].equals("")) { field.setDouble(entity, Double.valueOf(newValues[0])); } else if (isShort(fieldType) && !newValues[0].equals("")) { field.setShort(entity, Short.valueOf(newValues[0])); } else if (isChar(fieldType)) { field.setChar(entity, newValues[0].charAt(0)); } else if (isLong(fieldType) && !newValues[0].equals("")) { field.setLong(entity, Long.valueOf(newValues[0])); } else if (isBoolean(fieldType) && !newValues[0].equals("")) { field.setBoolean(entity, Boolean.valueOf(newValues[0])); } else if (isByte(fieldType) && !newValues[0].equals("")) { field.setByte(entity, Byte.valueOf(newValues[0])); } else if (isDate(fieldType)) { if (newValues[0].equals("")) { field.set(entity, null); } else { try { field.set(entity, asDate(newValues[0])); } catch (ParseException pe) { log.warn("Error parsing date: " + newValues[0], pe); } } } else if (!newValues[0].equals("")) { log.debug("Not sure how to set " + field.getName() + " of type " + fieldType.getName() + ", attemping cast."); field.set(entity, fieldType.cast(newValues[0])); } else if (newValues[0].equals("")) { log.debug("Skipping field " + field.getName() + ", empty string value passed in."); } } } } else if (isEntity && !isCollection) { log.debug("isEntity && !isCollection"); ReflectionMarshaller innerMarshaller = ReflectionMarshaller.getForClass(fieldType); field.set(entity, controller.proxy(fieldType, innerMarshaller.asIdType(newValues[0]))); } else if (!isEntity && isCollection) { log.debug("!isEntity && isCollection"); throw new MarshallingException("Error, collections of non-entities are not yet supported."); } else if (isEntity && isCollection) { log.debug("isEntity && isCollection"); // for now, this is going to expect the parameter to be a // comma-delimited string of entity ids String[] idsString = newValues[0].toString().split(","); Collection collection = (Collection) field.get(entity); log.debug("newValues.length = " + newValues.length); log.debug("newValues[0] = " + newValues[0]); log.debug("idsString.length = " + idsString.length); if (collection == null) collection = new LinkedList(); collection.clear(); if (idsString.length > 0) { ReflectionMarshaller collectionMarshaller = ReflectionMarshaller .getForClass(collectionType); log.debug("CollectionType = " + collectionType.getName()); for (String idString : idsString) { if (idString.equals("")) { log.debug("Skipping empty idString"); continue; } collection.add( controller.proxy(collectionType, collectionMarshaller.asIdType(idString))); } } field.set(entity, collection); } } else { error = true; } } catch (IllegalAccessException iae) { log.error("Unable to set " + field.getName() + " directly.", iae); error = true; } catch (ClassCastException cce) { log.error("Error setting " + field.getName() + ".", cce); error = true; } // if we hit an error getting it directly, try via the getter if (error) { error = false; try { setter = converter.getSetter(); if (setter != null) { if (!setter.isAccessible()) { setter.setAccessible(true); } if (setter.isAccessible()) { if (!isEntity && !isCollection) { // if it's an array, it needs special treatment if (fieldType.isArray()) { log.debug(field.getName() + " is an Array"); Class arrayType = fieldType.getComponentType(); // If we can, just convert with a cast() if (arrayType.isAssignableFrom(String.class)) { log.debug(arrayType.getName() + " is assignable from String.class"); Object[] newArray = new Object[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = arrayType.cast(newValues[i]); } setter.invoke(entity, newArray); } else { if (isInteger(fieldType)) { Integer[] newArray = new Integer[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Integer.valueOf(newValues[i]); } setter.invoke(entity, (Object[]) newArray); } else if (isFloat(fieldType)) { Float[] newArray = new Float[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Float.valueOf(newValues[i]); } setter.invoke(entity, (Object[]) newArray); } else if (isDouble(fieldType)) { Double[] newArray = new Double[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Double.valueOf(newValues[i]); } setter.invoke(entity, (Object[]) newArray); } else if (isShort(fieldType)) { Short[] newArray = new Short[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Short.valueOf(newValues[i]); } setter.invoke(entity, (Object[]) newArray); } else if (isChar(fieldType)) { setter.invoke(entity, ServletUtils.join(newValues, "").toCharArray()); } else if (isLong(fieldType)) { Long[] newArray = new Long[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Long.valueOf(newValues[i]); } field.set(entity, (Object[]) newArray); } else if (isBoolean(fieldType)) { Boolean[] newArray = new Boolean[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Boolean.valueOf(newValues[i]); } setter.invoke(entity, (Object[]) newArray); } else if (isByte(fieldType)) { Byte[] newArray = new Byte[newValues.length]; for (int i = 0; i < newValues.length; i++) { newArray[i] = Byte.valueOf(newValues[i]); } setter.invoke(entity, (Object[]) newArray); } else { throw new MarshallingException( "Don't know how to marshall an array of a non-primitive, and non-assignable type! field = " + field.getName()); } } } else { // Check out if it's assignable via a straight cast, // that could save time if (fieldType.isAssignableFrom(String.class)) { log.debug(fieldType.getName() + " is assignable from String.class"); // this might throw an exception, but we're going // to ignore it because there are other ways of // setting the value if this doesn't work. try { setter.invoke(entity, fieldType.cast(newValues[0])); } catch (Exception e) { log.debug("Error setting field by cast", e); } success = true; } // if it wasn't assignable via a straight cast, try // working around it. if (!success) { if (isInteger(fieldType)) { setter.invoke(entity, Integer.valueOf(newValues[0])); } else if (isFloat(fieldType)) { setter.invoke(entity, Float.valueOf(newValues[0])); } else if (isDouble(fieldType)) { setter.invoke(entity, Double.valueOf(newValues[0])); } else if (isShort(fieldType)) { setter.invoke(entity, Short.valueOf(newValues[0])); } else if (isChar(fieldType)) { setter.invoke(entity, newValues[0].charAt(0)); } else if (isLong(fieldType)) { setter.invoke(entity, Long.valueOf(newValues[0])); } else if (isBoolean(fieldType)) { setter.invoke(entity, Boolean.valueOf(newValues[0])); } else if (isByte(fieldType)) { setter.invoke(entity, Byte.valueOf(newValues[0])); } else if (isDate(fieldType)) { if (newValues[0].equals("")) { field.set(entity, null); } else { try { setter.invoke(entity, asDate(newValues[0])); } catch (ParseException pe) { log.warn("Error parsing date: " + newValues[0], pe); } } } else { log.debug("Not sure how to set " + field.getName() + " of type " + fieldType.getName() + ", attemping cast."); setter.invoke(entity, fieldType.cast(newValues[0])); } } } } else if (isEntity && !isCollection) { ReflectionMarshaller innerMarshaller = ReflectionMarshaller.getForClass(fieldType); setter.invoke(entity, controller.proxy(fieldType, innerMarshaller.asIdType(newValues[0]))); } else if (!isEntity && isCollection) { throw new MarshallingException( "Error, collections of non-entities are not yet supported."); } else if (isEntity && isCollection) { // for now, this is going to expect the parameter to be a // comma-delimited string of entity ids String[] idsString = newValues[0].toString().split(","); Collection collection = (Collection) field.get(entity); if (collection == null) collection = new LinkedList(); if (idsString.length == 0 && collection.isEmpty()) continue; collection.clear(); if (idsString.length > 0) { ReflectionMarshaller collectionMarshaller = ReflectionMarshaller .getForClass(collectionType); for (String idString : idsString) { if (idString.equals("")) { log.debug("Skipping empty idString"); continue; } collection.add(controller.proxy(collectionType, collectionMarshaller.asIdType(idString))); } } setter.invoke(entity, collection); } } else { error = true; } } else { error = true; } } catch (IllegalAccessException iae) { log.error("Error accessing setter", iae); error = true; } catch (InvocationTargetException ite) { log.error("Error invoking setter", ite); error = true; } } if (error) { throw new MarshallingException("Unable to marshall in field " + field.getName() + "."); } } return entity; }
From source file:au.com.addstar.cellblock.configuration.AutoConfig.java
@SuppressWarnings("unchecked") public boolean load() { FileConfiguration yml = new YamlConfiguration(); try {//from ww w. j a va 2 s . c o m if (mFile.getParentFile().exists() || mFile.getParentFile().mkdirs()) {// Make sure the file exists if (mFile.exists() || mFile.createNewFile()) { // Parse the config yml.load(mFile); for (Field field : getClass().getDeclaredFields()) { ConfigField configField = field.getAnnotation(ConfigField.class); if (configField == null) continue; String optionName = configField.name(); if (optionName.isEmpty()) optionName = field.getName(); field.setAccessible(true); String path = (configField.category().isEmpty() ? "" : configField.category() + ".") //$NON-NLS-2$ + optionName; if (!yml.contains(path)) { if (field.get(this) == null) throw new InvalidConfigurationException( path + " is required to be set! Info:\n" + configField.comment()); } else { // Parse the value if (field.getType().isArray()) { // Integer if (field.getType().getComponentType().equals(Integer.TYPE)) field.set(this, yml.getIntegerList(path).toArray(new Integer[0])); // Float else if (field.getType().getComponentType().equals(Float.TYPE)) field.set(this, yml.getFloatList(path).toArray(new Float[0])); // Double else if (field.getType().getComponentType().equals(Double.TYPE)) field.set(this, yml.getDoubleList(path).toArray(new Double[0])); // Long else if (field.getType().getComponentType().equals(Long.TYPE)) field.set(this, yml.getLongList(path).toArray(new Long[0])); // Short else if (field.getType().getComponentType().equals(Short.TYPE)) field.set(this, yml.getShortList(path).toArray(new Short[0])); // Boolean else if (field.getType().getComponentType().equals(Boolean.TYPE)) field.set(this, yml.getBooleanList(path).toArray(new Boolean[0])); // String else if (field.getType().getComponentType().equals(String.class)) { field.set(this, yml.getStringList(path).toArray(new String[0])); } else throw new IllegalArgumentException("Cannot use type " + field.getType().getSimpleName() + " for AutoConfiguration"); //$NON-NLS-1$ } else if (List.class.isAssignableFrom(field.getType())) { if (field.getGenericType() == null) throw new IllegalArgumentException( "Cannot use type List without specifying generic type for AutoConfiguration"); Type type = ((ParameterizedType) field.getGenericType()) .getActualTypeArguments()[0]; if (type.equals(Integer.class)) field.set(this, newList((Class<? extends List<Integer>>) field.getType(), yml.getIntegerList(path))); else if (type.equals(Float.class)) field.set(this, newList((Class<? extends List<Float>>) field.getType(), yml.getFloatList(path))); else if (type.equals(Double.class)) field.set(this, newList((Class<? extends List<Double>>) field.getType(), yml.getDoubleList(path))); else if (type.equals(Long.class)) field.set(this, newList((Class<? extends List<Long>>) field.getType(), yml.getLongList(path))); else if (type.equals(Short.class)) field.set(this, newList((Class<? extends List<Short>>) field.getType(), yml.getShortList(path))); else if (type.equals(Boolean.class)) field.set(this, newList((Class<? extends List<Boolean>>) field.getType(), yml.getBooleanList(path))); else if (type.equals(String.class)) field.set(this, newList((Class<? extends List<String>>) field.getType(), yml.getStringList(path))); else throw new IllegalArgumentException( "Cannot use type " + field.getType().getSimpleName() + "<" //$NON-NLS-2$ + type.toString() + "> for AutoConfiguration"); } else if (Set.class.isAssignableFrom(field.getType())) { if (field.getGenericType() == null) throw new IllegalArgumentException( "Cannot use type set without specifying generic type for AytoConfiguration"); Type type = ((ParameterizedType) field.getGenericType()) .getActualTypeArguments()[0]; if (type.equals(Integer.class)) field.set(this, newSet((Class<? extends Set<Integer>>) field.getType(), yml.getIntegerList(path))); else if (type.equals(Float.class)) field.set(this, newSet((Class<? extends Set<Float>>) field.getType(), yml.getFloatList(path))); else if (type.equals(Double.class)) field.set(this, newSet((Class<? extends Set<Double>>) field.getType(), yml.getDoubleList(path))); else if (type.equals(Long.class)) field.set(this, newSet((Class<? extends Set<Long>>) field.getType(), yml.getLongList(path))); else if (type.equals(Short.class)) field.set(this, newSet((Class<? extends Set<Short>>) field.getType(), yml.getShortList(path))); else if (type.equals(Boolean.class)) field.set(this, newSet((Class<? extends Set<Boolean>>) field.getType(), yml.getBooleanList(path))); else if (type.equals(String.class)) field.set(this, newSet((Class<? extends Set<String>>) field.getType(), yml.getStringList(path))); else throw new IllegalArgumentException( "Cannot use type " + field.getType().getSimpleName() + "<" //$NON-NLS-2$ + type.toString() + "> for AutoConfiguration"); } else { // Integer if (field.getType().equals(Integer.TYPE)) field.setInt(this, yml.getInt(path)); // Float else if (field.getType().equals(Float.TYPE)) field.setFloat(this, (float) yml.getDouble(path)); // Double else if (field.getType().equals(Double.TYPE)) field.setDouble(this, yml.getDouble(path)); // Long else if (field.getType().equals(Long.TYPE)) field.setLong(this, yml.getLong(path)); // Short else if (field.getType().equals(Short.TYPE)) field.setShort(this, (short) yml.getInt(path)); // Boolean else if (field.getType().equals(Boolean.TYPE)) field.setBoolean(this, yml.getBoolean(path)); // ItemStack else if (field.getType().equals(ItemStack.class)) field.set(this, yml.getItemStack(path)); // String else if (field.getType().equals(String.class)) field.set(this, yml.getString(path)); else throw new IllegalArgumentException("Cannot use type " + field.getType().getSimpleName() + " for AutoConfiguration"); //$NON-NLS-1$ } } } onPostLoad(); } else { Bukkit.getLogger().log(Level.INFO, "Unable to create file: " + mFile.toString()); } } else { Bukkit.getLogger().log(Level.INFO, "Unable to create file: " + mFile.getParentFile().toString()); } return true; } catch (IOException | InvalidConfigurationException | IllegalAccessException | IllegalArgumentException e) { e.printStackTrace(); return false; } }