Java tutorial
/** * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.crm.alarm.service; import com.crm.alarm.model.AlarmActionClp; import com.crm.alarm.model.AlarmDescriberClp; import com.crm.alarm.model.AlarmEntryClp; import com.crm.alarm.model.AlarmTemplateClp; import com.crm.alarm.model.MonitorAccountClp; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.exception.SystemException; import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayInputStream; import com.liferay.portal.kernel.io.unsync.UnsyncByteArrayOutputStream; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.util.ClassLoaderObjectInputStream; import com.liferay.portal.kernel.util.PropsUtil; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.model.BaseModel; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.List; /** * @author Brian Wing Shun Chan */ public class ClpSerializer { public static String getServletContextName() { if (Validator.isNotNull(_servletContextName)) { return _servletContextName; } synchronized (ClpSerializer.class) { if (Validator.isNotNull(_servletContextName)) { return _servletContextName; } try { ClassLoader classLoader = ClpSerializer.class.getClassLoader(); Class<?> portletPropsClass = classLoader.loadClass("com.liferay.util.portlet.PortletProps"); Method getMethod = portletPropsClass.getMethod("get", new Class<?>[] { String.class }); String portletPropsServletContextName = (String) getMethod.invoke(null, "mtcharging-portlet-deployment-context"); if (Validator.isNotNull(portletPropsServletContextName)) { _servletContextName = portletPropsServletContextName; } } catch (Throwable t) { if (_log.isInfoEnabled()) { _log.info("Unable to locate deployment context from portlet properties"); } } if (Validator.isNull(_servletContextName)) { try { String propsUtilServletContextName = PropsUtil.get("mtcharging-portlet-deployment-context"); if (Validator.isNotNull(propsUtilServletContextName)) { _servletContextName = propsUtilServletContextName; } } catch (Throwable t) { if (_log.isInfoEnabled()) { _log.info("Unable to locate deployment context from portal properties"); } } } if (Validator.isNull(_servletContextName)) { _servletContextName = "mtcharging-portlet"; } return _servletContextName; } } public static Object translateInput(BaseModel<?> oldModel) { Class<?> oldModelClass = oldModel.getClass(); String oldModelClassName = oldModelClass.getName(); if (oldModelClassName.equals(AlarmActionClp.class.getName())) { return translateInputAlarmAction(oldModel); } if (oldModelClassName.equals(AlarmDescriberClp.class.getName())) { return translateInputAlarmDescriber(oldModel); } if (oldModelClassName.equals(AlarmEntryClp.class.getName())) { return translateInputAlarmEntry(oldModel); } if (oldModelClassName.equals(AlarmTemplateClp.class.getName())) { return translateInputAlarmTemplate(oldModel); } if (oldModelClassName.equals(MonitorAccountClp.class.getName())) { return translateInputMonitorAccount(oldModel); } return oldModel; } public static Object translateInput(List<Object> oldList) { List<Object> newList = new ArrayList<Object>(oldList.size()); for (int i = 0; i < oldList.size(); i++) { Object curObj = oldList.get(i); newList.add(translateInput(curObj)); } return newList; } public static Object translateInputAlarmAction(BaseModel<?> oldModel) { AlarmActionClp oldClpModel = (AlarmActionClp) oldModel; BaseModel<?> newModel = oldClpModel.getAlarmActionRemoteModel(); newModel.setModelAttributes(oldClpModel.getModelAttributes()); return newModel; } public static Object translateInputAlarmDescriber(BaseModel<?> oldModel) { AlarmDescriberClp oldClpModel = (AlarmDescriberClp) oldModel; BaseModel<?> newModel = oldClpModel.getAlarmDescriberRemoteModel(); newModel.setModelAttributes(oldClpModel.getModelAttributes()); return newModel; } public static Object translateInputAlarmEntry(BaseModel<?> oldModel) { AlarmEntryClp oldClpModel = (AlarmEntryClp) oldModel; BaseModel<?> newModel = oldClpModel.getAlarmEntryRemoteModel(); newModel.setModelAttributes(oldClpModel.getModelAttributes()); return newModel; } public static Object translateInputAlarmTemplate(BaseModel<?> oldModel) { AlarmTemplateClp oldClpModel = (AlarmTemplateClp) oldModel; BaseModel<?> newModel = oldClpModel.getAlarmTemplateRemoteModel(); newModel.setModelAttributes(oldClpModel.getModelAttributes()); return newModel; } public static Object translateInputMonitorAccount(BaseModel<?> oldModel) { MonitorAccountClp oldClpModel = (MonitorAccountClp) oldModel; BaseModel<?> newModel = oldClpModel.getMonitorAccountRemoteModel(); newModel.setModelAttributes(oldClpModel.getModelAttributes()); return newModel; } public static Object translateInput(Object obj) { if (obj instanceof BaseModel<?>) { return translateInput((BaseModel<?>) obj); } else if (obj instanceof List<?>) { return translateInput((List<Object>) obj); } else { return obj; } } public static Object translateOutput(BaseModel<?> oldModel) { Class<?> oldModelClass = oldModel.getClass(); String oldModelClassName = oldModelClass.getName(); if (oldModelClassName.equals("com.crm.alarm.model.impl.AlarmActionImpl")) { return translateOutputAlarmAction(oldModel); } if (oldModelClassName.equals("com.crm.alarm.model.impl.AlarmDescriberImpl")) { return translateOutputAlarmDescriber(oldModel); } if (oldModelClassName.equals("com.crm.alarm.model.impl.AlarmEntryImpl")) { return translateOutputAlarmEntry(oldModel); } if (oldModelClassName.equals("com.crm.alarm.model.impl.AlarmTemplateImpl")) { return translateOutputAlarmTemplate(oldModel); } if (oldModelClassName.equals("com.crm.alarm.model.impl.MonitorAccountImpl")) { return translateOutputMonitorAccount(oldModel); } return oldModel; } public static Object translateOutput(List<Object> oldList) { List<Object> newList = new ArrayList<Object>(oldList.size()); for (int i = 0; i < oldList.size(); i++) { Object curObj = oldList.get(i); newList.add(translateOutput(curObj)); } return newList; } public static Object translateOutput(Object obj) { if (obj instanceof BaseModel<?>) { return translateOutput((BaseModel<?>) obj); } else if (obj instanceof List<?>) { return translateOutput((List<Object>) obj); } else { return obj; } } public static Throwable translateThrowable(Throwable throwable) { if (_useReflectionToTranslateThrowable) { try { UnsyncByteArrayOutputStream unsyncByteArrayOutputStream = new UnsyncByteArrayOutputStream(); ObjectOutputStream objectOutputStream = new ObjectOutputStream(unsyncByteArrayOutputStream); objectOutputStream.writeObject(throwable); objectOutputStream.flush(); objectOutputStream.close(); UnsyncByteArrayInputStream unsyncByteArrayInputStream = new UnsyncByteArrayInputStream( unsyncByteArrayOutputStream.unsafeGetByteArray(), 0, unsyncByteArrayOutputStream.size()); Thread currentThread = Thread.currentThread(); ClassLoader contextClassLoader = currentThread.getContextClassLoader(); ObjectInputStream objectInputStream = new ClassLoaderObjectInputStream(unsyncByteArrayInputStream, contextClassLoader); throwable = (Throwable) objectInputStream.readObject(); objectInputStream.close(); return throwable; } catch (SecurityException se) { if (_log.isInfoEnabled()) { _log.info("Do not use reflection to translate throwable"); } _useReflectionToTranslateThrowable = false; } catch (Throwable throwable2) { _log.error(throwable2, throwable2); return throwable2; } } Class<?> clazz = throwable.getClass(); String className = clazz.getName(); if (className.equals(PortalException.class.getName())) { return new PortalException(); } if (className.equals(SystemException.class.getName())) { return new SystemException(); } if (className.equals("com.crm.alarm.NoSuchActionException")) { return new com.crm.alarm.NoSuchActionException(); } if (className.equals("com.crm.alarm.NoSuchDescriberException")) { return new com.crm.alarm.NoSuchDescriberException(); } if (className.equals("com.crm.alarm.NoSuchEntryException")) { return new com.crm.alarm.NoSuchEntryException(); } if (className.equals("com.crm.alarm.NoSuchTemplateException")) { return new com.crm.alarm.NoSuchTemplateException(); } if (className.equals("com.crm.alarm.NoSuchMonitorAccountException")) { return new com.crm.alarm.NoSuchMonitorAccountException(); } return throwable; } public static Object translateOutputAlarmAction(BaseModel<?> oldModel) { AlarmActionClp newModel = new AlarmActionClp(); newModel.setModelAttributes(oldModel.getModelAttributes()); newModel.setAlarmActionRemoteModel(oldModel); return newModel; } public static Object translateOutputAlarmDescriber(BaseModel<?> oldModel) { AlarmDescriberClp newModel = new AlarmDescriberClp(); newModel.setModelAttributes(oldModel.getModelAttributes()); newModel.setAlarmDescriberRemoteModel(oldModel); return newModel; } public static Object translateOutputAlarmEntry(BaseModel<?> oldModel) { AlarmEntryClp newModel = new AlarmEntryClp(); newModel.setModelAttributes(oldModel.getModelAttributes()); newModel.setAlarmEntryRemoteModel(oldModel); return newModel; } public static Object translateOutputAlarmTemplate(BaseModel<?> oldModel) { AlarmTemplateClp newModel = new AlarmTemplateClp(); newModel.setModelAttributes(oldModel.getModelAttributes()); newModel.setAlarmTemplateRemoteModel(oldModel); return newModel; } public static Object translateOutputMonitorAccount(BaseModel<?> oldModel) { MonitorAccountClp newModel = new MonitorAccountClp(); newModel.setModelAttributes(oldModel.getModelAttributes()); newModel.setMonitorAccountRemoteModel(oldModel); return newModel; } private static Log _log = LogFactoryUtil.getLog(ClpSerializer.class); private static String _servletContextName; private static boolean _useReflectionToTranslateThrowable = true; }