List of usage examples for java.lang Class isInstance
@HotSpotIntrinsicCandidate public native boolean isInstance(Object obj);
From source file:com.l2jfree.gameserver.templates.StatsSet.java
/** * Returns an enumeration of <T> from the set * /*from w w w. java 2 s . co m*/ * @param <T> : Class of the enumeration returned * @param name : String designating the key in the set * @param enumClass : Class designating the class of the value associated with the key in the set * @return Enum<T> */ @SuppressWarnings("unchecked") public final <T extends Enum<T>> T getEnum(String name, Class<T> enumClass) { Object val = get(name); if (val == null) throw new IllegalArgumentException( "Enum value of type " + enumClass.getName() + " required, but not specified"); if (enumClass.isInstance(val)) return (T) val; try { return Enum.valueOf(enumClass, String.valueOf(val)); } catch (Exception e) { throw new IllegalArgumentException( "Enum value of type " + enumClass.getName() + "required, but found: " + val); } }
From source file:org.carewebframework.shell.plugins.PluginDefinition.java
/** * Returns the list of plugin resources belonging to the specified resource class. Never null. * /*from w w w. ja va 2s . co m*/ * @param <E> A subclass of PluginResource. * @param clazz The resource class being sought. * @return List of associated resources. */ @SuppressWarnings("unchecked") public <E extends IPluginResource> List<E> getResources(Class<E> clazz) { List<E> list = new ArrayList<E>(); for (IPluginResource resource : resources) { if (clazz.isInstance(resource)) { list.add((E) resource); } } return list; }
From source file:hudson.model.AutoCompletionCandidates.java
/** * Auto-completes possible job names./*from w w w.j av a 2s. c o m*/ * * @param type * Limit the auto-completion to the subtype of this type. * @param value * The value the user has typed in. Matched as a prefix. * @param container * The nearby contextual {@link ItemGroup} to resolve relative job names from. * @since 1.553 */ public static <T extends Item> AutoCompletionCandidates ofJobNames(final Class<T> type, final String value, ItemGroup container) { final AutoCompletionCandidates candidates = new AutoCompletionCandidates(); class Visitor extends ItemVisitor { String prefix; Visitor(String prefix) { this.prefix = prefix; } @Override public void onItem(Item i) { String itemName = contextualNameOf(i); //Check user's setting on whether to do case sensitive comparison, configured in user -> configure //This is the same setting that is used by the global search field, should be consistent throughout //the whole application. boolean caseInsensitive = UserSearchProperty.isCaseInsensitive(); if ((startsWithImpl(itemName, value, caseInsensitive) || startsWithImpl(value, itemName, caseInsensitive)) // 'foobar' is a valid candidate if the current value is 'foo'. // Also, we need to visit 'foo' if the current value is 'foo/bar' && (value.length() > itemName.length() || !itemName.substring(value.length()).contains("/")) // but 'foobar/zot' isn't if the current value is 'foo' // we'll first show 'foobar' and then wait for the user to type '/' to show the rest && i.hasPermission(Item.READ) // and read permission required ) { if (type.isInstance(i) && startsWithImpl(itemName, value, caseInsensitive)) candidates.add(itemName); // recurse String oldPrefix = prefix; prefix = itemName; super.onItem(i); prefix = oldPrefix; } } private String contextualNameOf(Item i) { if (prefix.endsWith("/") || prefix.length() == 0) return prefix + i.getName(); else return prefix + '/' + i.getName(); } } if (container == null || container == Jenkins.getInstance()) { new Visitor("").onItemGroup(Jenkins.getInstance()); } else { new Visitor("").onItemGroup(container); if (value.startsWith("/")) new Visitor("/").onItemGroup(Jenkins.getInstance()); for (String p = "../"; value.startsWith(p); p += "../") { container = ((Item) container).getParent(); new Visitor(p).onItemGroup(container); } } return candidates; }
From source file:com.eryansky.common.excel.ExportExcel.java
private HSSFWorkbook exportExcelInUserModel2File(String title, Class<T> pojoClass, Collection<T> dataSet) { // /*from ww w . ja va 2 s . c o m*/ HSSFWorkbook workbook = null; try { // workbook = new HSSFWorkbook(); // ? Sheet sheet = workbook.createSheet(title); // List<String> exportFieldTitle = new ArrayList<String>(); List<Integer> exportFieldWidth = new ArrayList<Integer>(); // ???get List<Method> methodObj = new ArrayList<Method>(); Map<String, Method> convertMethod = new HashMap<String, Method>(); Class superClazz = null; Field fileds[] = new Field[0]; boolean flag = true; while (flag) { if (superClazz != null) { superClazz = superClazz.getSuperclass(); } else { superClazz = pojoClass.getSuperclass(); } if (superClazz.isInstance(Object.class)) { flag = false; } else { Field[] sf = superClazz.getDeclaredFields(); if (sf != null && sf.length > 0) { for (int m = 0; m < sf.length; m++) { fileds = ArrayUtils.addAll(fileds, sf[m]); } } } } // Field cfileds[] = pojoClass.getDeclaredFields(); if (cfileds != null && cfileds.length > 0) { for (int n = 0; n < cfileds.length; n++) { fileds = ArrayUtils.addAll(fileds, cfileds[n]); } } // ??filed for (int i = 0; i < fileds.length; i++) { Field field = fileds[i]; Excel excel = field.getAnnotation(Excel.class); // annottion if (excel != null) { // exportFieldTitle.add(excel.exportName()); // exportFieldWidth.add(excel.exportFieldWidth()); // ? String fieldname = field.getName(); // System.out.println(i+""+excel.exportName()+" "+excel.exportFieldWidth()); StringBuffer getMethodName = new StringBuffer("get"); getMethodName.append(fieldname.substring(0, 1).toUpperCase()); getMethodName.append(fieldname.substring(1)); Method getMethod = pojoClass.getMethod(getMethodName.toString(), new Class[] {}); methodObj.add(getMethod); if (excel.exportConvert() == true) { //---------------------------------------------------------------- //update-begin--Author:Quainty Date:20130524 for[8]excel // get/setXxxxConvert??? ?Entity? StringBuffer getConvertMethodName = new StringBuffer("convertGet"); getConvertMethodName.append(fieldname.substring(0, 1).toUpperCase()); getConvertMethodName.append(fieldname.substring(1)); //getConvertMethodName.append("Convert"); //update-end--Author:Quainty Date:20130524 for[8]excel //---------------------------------------------------------------- // System.out.println("convert: "+getConvertMethodName.toString()); Method getConvertMethod = pojoClass.getMethod(getConvertMethodName.toString(), new Class[] {}); convertMethod.put(getMethodName.toString(), getConvertMethod); } } } int index = 0; // Row row = sheet.createRow(index); row.setHeight((short) 450); CellStyle titleStyle = getTitleStyle(workbook); for (int i = 0, exportFieldTitleSize = exportFieldTitle.size(); i < exportFieldTitleSize; i++) { Cell cell = row.createCell(i); // cell.setCellStyle(style); RichTextString text = new HSSFRichTextString(exportFieldTitle.get(i)); cell.setCellValue(text); cell.setCellStyle(titleStyle); } // ? for (int i = 0; i < exportFieldWidth.size(); i++) { // 256=65280/255 sheet.setColumnWidth(i, 256 * exportFieldWidth.get(i)); } Iterator its = dataSet.iterator(); // ?? while (its.hasNext()) { // index++; row = sheet.createRow(index); row.setHeight((short) 350); Object t = its.next(); for (int k = 0, methodObjSize = methodObj.size(); k < methodObjSize; k++) { Cell cell = row.createCell(k); Method getMethod = methodObj.get(k); Object value = null; if (convertMethod.containsKey(getMethod.getName())) { Method cm = convertMethod.get(getMethod.getName()); value = cm.invoke(t, new Object[] {}); } else { value = getMethod.invoke(t, new Object[] {}); } cell.setCellValue(value == null ? "" : value.toString()); if (index % 2 == 0) cell.setCellStyle(getTwoStyle(workbook)); else cell.setCellStyle(getOneStyle(workbook)); } } } catch (Exception e) { e.printStackTrace(); } return workbook; }
From source file:com.vmware.identity.sts.ws.SignatureValidator.java
/** * Evaluates if the provided list contains a single instance of a JAXBElement * which is of the given type/*from w w w . jav a 2 s . co m*/ * * @param list * @param valueType * @return */ @SuppressWarnings("unchecked") private <T> T getTheValue(List<?> list, Class<T> valueType, FaultKey key, String cause) { if (list == null) { throw new WSFaultException(key, cause); } JAXBElement<?> theOnlyElement = getSingleJaxbElement(list); if (theOnlyElement == null || !valueType.isInstance(theOnlyElement.getValue())) { throw new WSFaultException(key, cause); } return (T) theOnlyElement.getValue(); }
From source file:org.echocat.jomon.spring.ContextLoadThreadGroup.java
public <T extends Throwable> void throwOn(@Nonnull Class<T> allowedThrowableType) throws T { synchronized (_failedThreads) { final Throwable highestRatedThrowable = findHighestRatedThrowableIn(_failedThreads); if (highestRatedThrowable != null) { for (final List<Throwable> throwables : _failedThreads.values()) { for (final Throwable throwable : throwables) { if (!highestRatedThrowable.equals(throwable)) { highestRatedThrowable.addSuppressed(throwable); }/* ww w . j a v a2 s. c om*/ } } if (allowedThrowableType.isInstance(highestRatedThrowable)) { throw allowedThrowableType.cast(highestRatedThrowable); } else if (highestRatedThrowable instanceof RuntimeException) { throw (RuntimeException) highestRatedThrowable; } else if (highestRatedThrowable instanceof Error) { throw (Error) highestRatedThrowable; } else { throw new RuntimeException(highestRatedThrowable); } } } }
From source file:com.francetelecom.clara.cloud.logicalmodel.ProcessingNode.java
/** * List the Logical Services of a specific class. * <p>//from ww w. j a v a2 s. co m * Retrieves all {@link LogicalService} that is connected to the current ExecNode through the {@link LogicalNodeServiceAssociation} * * @param filteredClass The class of the logicalService to restrict to (e.g. LogicalWebGUIService.class), or null * to not perform any filtering. Note this may be a superclass or an implementing interface. * @return a non-null, possibly empty list */ public <E extends LogicalService> List<E> listLogicalServices(Class<E> filteredClass) { List<E> services = new ArrayList<E>(); for (LogicalNodeServiceAssociation association : this.logicalNodeServiceAssociations) { LogicalService logicalService = association.logicalService; boolean includeThisClass = false; if (filteredClass == null) { includeThisClass = true; } else { includeThisClass = (filteredClass.isInstance(logicalService)); } if (includeThisClass) { services.add((E) logicalService); } } return Collections.unmodifiableList(services); }
From source file:org.mulgara.scon.Connection.java
@SuppressWarnings("unchecked") @Override/* w ww. j a va 2 s. co m*/ public <T> T unwrap(Class<T> iface) throws SQLException { if (iface.isInstance(this)) return (T) this; throw new SQLException("scon does not implement: " + iface.getName()); }
From source file:com.l2jfree.gameserver.datatables.ItemTable.java
public <T extends L2Item> T getTemplate(int id, Class<T> clazz) { L2Item item = getTemplate(id);// ww w . j a v a2 s . c om if (clazz.isInstance(item)) return clazz.cast(item); else return null; }
From source file:com.medvision360.medrecord.engine.ArchetypeBasedValidator.java
private boolean instanceOf(Object value, String rmEntity) { if (value == null || rmEntity == null) { return value == null && rmEntity == null; }//w w w. jav a 2s . c om rmEntity = toClassName(rmEntity); String valueClassStr = value.getClass().getSimpleName(); if (valueClassStr.equals(rmEntity)) { return true; } Class<?> rmType; try { rmType = retrieveRMType(rmEntity); } catch (RMObjectBuildingException e) { return false; } return rmType.isInstance(value); }