001/* 002 * (C) Copyright 2011 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * matic 016 */ 017package org.nuxeo.runtime.tomcat.dev; 018 019import java.io.File; 020import java.lang.reflect.Method; 021 022/** 023 * Invokes the ReloadService by reflection as this module does not have access to the runtime context. 024 * 025 * @author matic 026 * @since 5.5 027 */ 028public class ReloadServiceInvoker { 029 030 protected Object reloadService; 031 032 protected Method deployBundle; 033 034 protected Method undeployBundle; 035 036 /** 037 * Method to run the deployment preprocessor, previously handled by the deployBundle method 038 * 039 * @since 5.6 040 */ 041 protected Method runDeploymentPreprocessor; 042 043 /** 044 * Method to install local web resources, as the deployment preprocessor won't see dev bundles as defined by Nuxeo 045 * IDE 046 * 047 * @since 5.6 048 */ 049 protected Method installWebResources; 050 051 protected Method flush; 052 053 protected Method reload; 054 055 protected Method flushSeam; 056 057 protected Method reloadSeam; 058 059 public ReloadServiceInvoker(ClassLoader cl) throws ReflectiveOperationException { 060 Class<?> frameworkClass = cl.loadClass("org.nuxeo.runtime.api.Framework"); 061 Class<?> reloadServiceClass = cl.loadClass("org.nuxeo.runtime.reload.ReloadService"); 062 Method getLocalService = frameworkClass.getDeclaredMethod("getLocalService", new Class<?>[] { Class.class }); 063 reloadService = getLocalService.invoke(null, new Object[] { reloadServiceClass }); 064 deployBundle = reloadServiceClass.getDeclaredMethod("deployBundle", new Class<?>[] { File.class }); 065 undeployBundle = reloadServiceClass.getDeclaredMethod("undeployBundle", new Class<?>[] { String.class }); 066 runDeploymentPreprocessor = reloadServiceClass.getDeclaredMethod("runDeploymentPreprocessor", new Class<?>[0]); 067 installWebResources = reloadServiceClass.getDeclaredMethod("installWebResources", new Class<?>[] { File.class }); 068 flush = reloadServiceClass.getDeclaredMethod("flush", new Class<?>[0]); 069 reload = reloadServiceClass.getDeclaredMethod("reload", new Class<?>[0]); 070 flushSeam = reloadServiceClass.getDeclaredMethod("flushSeamComponents", new Class<?>[0]); 071 reloadSeam = reloadServiceClass.getDeclaredMethod("reloadSeamComponents", new Class<?>[0]); 072 } 073 074 public void hotDeployBundles(DevBundle[] bundles) throws ReflectiveOperationException { 075 ClassLoader cl = Thread.currentThread().getContextClassLoader(); 076 try { 077 Thread.currentThread().setContextClassLoader(reloadService.getClass().getClassLoader()); 078 flush(); 079 boolean hasSeam = false; 080 // rebuild existing war, this will remove previously copied web 081 // resources 082 // commented out for now, see NXP-9642 083 // runDeploymentPreprocessor(); 084 for (DevBundle bundle : bundles) { 085 if (bundle.devBundleType == DevBundleType.Bundle) { 086 bundle.name = (String) deployBundle.invoke(reloadService, new Object[] { bundle.file() }); 087 // install its web resources 088 installWebResources.invoke(reloadService, new Object[] { bundle.file() }); 089 } else if (bundle.devBundleType.equals(DevBundleType.Seam)) { 090 hasSeam = true; 091 } 092 } 093 if (hasSeam) { 094 reloadSeam(); 095 } 096 reload(); 097 } finally { 098 Thread.currentThread().setContextClassLoader(cl); 099 } 100 } 101 102 public void hotUndeployBundles(DevBundle[] bundles) throws ReflectiveOperationException { 103 ClassLoader cl = Thread.currentThread().getContextClassLoader(); 104 try { 105 Thread.currentThread().setContextClassLoader(reloadService.getClass().getClassLoader()); 106 boolean hasSeam = false; 107 for (DevBundle bundle : bundles) { 108 if (bundle.devBundleType.equals(DevBundleType.Bundle) && bundle.name != null) { 109 undeployBundle.invoke(reloadService, new Object[] { bundle.name }); 110 } else if (bundle.devBundleType.equals(DevBundleType.Seam)) { 111 hasSeam = true; 112 } 113 } 114 // run deployment preprocessor again: this will remove potential 115 // resources that were copied in the war at deploy 116 // commented out for now, see NXP-9642 117 // runDeploymentPreprocessor(); 118 if (hasSeam) { 119 flushSeam.invoke(reloadService); 120 } 121 } finally { 122 Thread.currentThread().setContextClassLoader(cl); 123 } 124 } 125 126 protected void flush() throws ReflectiveOperationException { 127 flush.invoke(reloadService); 128 } 129 130 protected void reload() throws ReflectiveOperationException { 131 reload.invoke(reloadService); 132 } 133 134 protected void reloadSeam() throws ReflectiveOperationException { 135 reloadSeam.invoke(reloadService); 136 } 137 138 protected void runDeploymentPreprocessor() throws ReflectiveOperationException { 139 runDeploymentPreprocessor.invoke(reloadService); 140 } 141 142}