List of usage examples for java.lang InstantiationException getClass
@HotSpotIntrinsicCandidate public final native Class<?> getClass();
From source file:com.feilong.commons.core.util.CollectionsUtilTest.java
/** * Test./*from w ww . j a v a 2 s . c om*/ */ @SuppressWarnings({ "unchecked", "rawtypes" }) @Test public void test() { try { Class clz = User.class; Collection collection = CollectionUtils.typedCollection(new ArrayList(), clz); collection.add(clz.newInstance()); log.info(collection.size() + ""); for (Object object : collection) { User user = (User) object; log.info(user.getName()); } log.info("hahahah"); Collection<User> collection2 = collection; log.info(collection2.size() + ""); for (Object object : collection2) { User user = (User) object; log.info(user.getName()); } } catch (InstantiationException e) { log.error(e.getClass().getName(), e); } catch (IllegalAccessException e) { log.error(e.getClass().getName(), e); } }
From source file:de.cenote.jasperstarter.Report.java
private Map<String, Object> getCmdLineReportParams() { JRParameter[] jrParameterArray = jasperReport.getParameters(); Map<String, JRParameter> jrParameters = new HashMap<String, JRParameter>(); Map<String, Object> parameters = new HashMap<String, Object>(); List<String> params; if (config.hasParams()) { params = config.getParams();//from w ww.j a v a 2 s.com for (JRParameter rp : jrParameterArray) { jrParameters.put(rp.getName(), rp); } String paramName = null; //String paramType = null; String paramValue = null; for (String p : params) { try { paramName = p.split("=")[0]; paramValue = p.split("=", 2)[1]; if (config.isVerbose()) { System.out.println("Using report parameter: " + paramName + " = " + paramValue); } } catch (Exception e) { throw new IllegalArgumentException("Wrong report param format! " + p, e); } if (!jrParameters.containsKey(paramName)) { throw new IllegalArgumentException("Parameter '" + paramName + "' does not exist in report!"); } JRParameter reportParam = jrParameters.get(paramName); try { // special parameter handlers must also implemeted in // ParameterPanel.java if (Date.class.equals(reportParam.getValueClass())) { // Date must be in ISO8601 format. Example 2012-12-31 DateFormat dateFormat = new SimpleDateFormat("yy-MM-dd"); parameters.put(paramName, (Date) dateFormat.parse(paramValue)); } else if (Image.class.equals(reportParam.getValueClass())) { Image image = Toolkit.getDefaultToolkit() .createImage(JRLoader.loadBytes(new File(paramValue))); MediaTracker traker = new MediaTracker(new Panel()); traker.addImage(image, 0); try { traker.waitForID(0); } catch (Exception e) { throw new IllegalArgumentException("Image tracker error: " + e.getMessage(), e); } parameters.put(paramName, image); } else if (Locale.class.equals(reportParam.getValueClass())) { parameters.put(paramName, LocaleUtils.toLocale(paramValue)); } else { // handle generic parameters with string constructor try { parameters.put(paramName, reportParam.getValueClass().getConstructor(String.class) .newInstance(paramValue)); } catch (InstantiationException ex) { throw new IllegalArgumentException("Parameter '" + paramName + "' of type '" + reportParam.getValueClass().getName() + " caused " + ex.getClass().getName() + " " + ex.getMessage(), ex); } catch (IllegalAccessException ex) { throw new IllegalArgumentException("Parameter '" + paramName + "' of type '" + reportParam.getValueClass().getName() + " caused " + ex.getClass().getName() + " " + ex.getMessage(), ex); } catch (InvocationTargetException ex) { Throwable cause = ex.getCause(); throw new IllegalArgumentException("Parameter '" + paramName + "' of type '" + reportParam.getValueClass().getName() + " caused " + cause.getClass().getName() + " " + cause.getMessage(), cause); } catch (NoSuchMethodException ex) { throw new IllegalArgumentException("Parameter '" + paramName + "' of type '" + reportParam.getValueClass().getName() + " with value '" + paramValue + "' is not supported by JasperStarter!", ex); } } } catch (NumberFormatException e) { throw new IllegalArgumentException( "NumberFormatException: " + e.getMessage() + "\" in \"" + p + "\"", e); } catch (java.text.ParseException e) { throw new IllegalArgumentException(e.getMessage() + "\" in \"" + p + "\"", e); } catch (JRException e) { throw new IllegalArgumentException("Unable to load image from: " + paramValue, e); } } } return parameters; }
From source file:org.codehaus.groovy.grails.web.binding.GrailsDataBinder.java
private Object autoInstantiateEmbeddedInstance(Class<?> type) { Object created = null;/* w w w .j a v a 2s .co m*/ try { created = type.newInstance(); } catch (InstantiationException e) { LOG.error(String.format("Unable to auto-create type %s, %s thrown in constructor", type, e.getClass())); } catch (IllegalAccessException e) { LOG.error(String.format("Unable to auto-create type %s, cannot access constructor", type)); } return created; }
From source file:org.codehaus.grepo.core.validator.GenericValidationUtils.java
/** * Validates the given {@code result} using the given {@link ResultValidator} {@code clazz}. * * @param mpi The method parameter info. * @param clazz The validator clazz (must not be null). * @param result The result to validate. * @throws Exception in case of errors (like validation errors). * @throws ValidationException if the given {@link ResultValidator} cannot be instantiated. *//*from ww w.j ava 2s . co m*/ public static void validateResult(MethodParameterInfo mpi, Class<? extends ResultValidator> clazz, Object result) throws Exception, ValidationException { if (isValidResultValidator(clazz)) { ResultValidator validator = null; try { logger.debug("Using result validator '{}' for validating result '{}'", clazz, result); validator = clazz.newInstance(); } catch (InstantiationException e) { String msg = String.format("Unable to create new instance of '%s': '%s'", clazz.getName(), e.getMessage()); throw new ValidationException(msg, e); } catch (IllegalAccessException e) { String msg = String.format("Unable to create new instance of '%s': '%s'", clazz.getName(), e.getMessage()); throw new ValidationException(msg, e); } try { validator.validate(result); } catch (Exception e) { logger.debug("Validation error occured: {}", e.getMessage()); if (mpi.isMethodCompatibleWithException(e)) { throw e; } else { String m = "Exception '%s' is not compatible with method '%s' (exeptionTypes: %s) " + "- exception will be wrapped in a ValidationException"; String msg = String.format(m, e.getClass().getName(), mpi.getMethodName(), ArrayUtils.toString(mpi.getMethod().getExceptionTypes())); logger.error(msg); throw new ValidationException(msg); } } } }