Java tutorial
/* * Copyright (c) 2010-2014 Evolveum * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.evolveum.midpoint.init; import ch.qos.logback.classic.LoggerContext; import ch.qos.logback.classic.joran.JoranConfigurator; import ch.qos.logback.core.joran.spi.JoranException; import ch.qos.logback.core.util.StatusPrinter; import com.evolveum.midpoint.common.configuration.api.MidpointConfiguration; import com.evolveum.midpoint.util.ClassPathUtil; import com.evolveum.midpoint.util.DOMUtil; import com.evolveum.midpoint.util.QNameUtil; import com.evolveum.midpoint.util.exception.SystemException; import com.evolveum.midpoint.util.logging.Trace; import com.evolveum.midpoint.util.logging.TraceManager; import org.apache.commons.configuration.*; import org.apache.wss4j.dom.WSSConfig; import org.slf4j.LoggerFactory; import org.w3c.dom.Document; import javax.xml.parsers.DocumentBuilder; import java.io.File; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Iterator; public class StartupConfiguration implements MidpointConfiguration { private static final Trace LOGGER = TraceManager.getTrace(StartupConfiguration.class); private static final String USER_HOME = "user.home"; private static final String MIDPOINT_HOME = "midpoint.home"; private static final String MIDPOINT_SECTION = "midpoint"; private static final String SAFE_MODE = "safeMode"; private static final String DEFAULT_CONFIG_FILE_NAME = "config.xml"; private static final String LOGBACK_CONFIG_FILENAME = "logback.xml"; private CompositeConfiguration config = null; private Document xmlConfigAsDocument = null; // just in case when we need to access original XML document private String configFilename = null; /** * Default constructor */ public StartupConfiguration() { this.configFilename = DEFAULT_CONFIG_FILE_NAME; } /** * Constructor * * @param configFilename alternative configuration file */ public StartupConfiguration(String configFilename) { this.configFilename = configFilename; } /** * Get current configuration file name * * @return */ public String getConfigFilename() { return this.configFilename; } /** * Set configuration filename * * @param configFilename */ public void setConfigFilename(String configFilename) { this.configFilename = configFilename; } @Override public String getMidpointHome() { return System.getProperty(MIDPOINT_HOME); } @Override public Configuration getConfiguration(String componentName) { if (null == componentName) { throw new IllegalArgumentException("NULL argument"); } Configuration sub = config.subset(componentName); // Insert replacement for relative path to midpoint.home else clean // replace if (getMidpointHome() != null) { sub.addProperty(MIDPOINT_HOME, getMidpointHome()); } else { @SuppressWarnings("unchecked") Iterator<String> i = sub.getKeys(); while (i.hasNext()) { String key = i.next(); sub.setProperty(key, sub.getString(key).replace("${" + MIDPOINT_HOME + "}/", "")); sub.setProperty(key, sub.getString(key).replace("${" + MIDPOINT_HOME + "}", "")); } } if (LOGGER.isDebugEnabled()) { LOGGER.debug("Configuration for {} :", componentName); @SuppressWarnings("unchecked") Iterator<String> i = sub.getKeys(); while (i.hasNext()) { String key = i.next(); LOGGER.debug(" {} = {}", key, sub.getString(key)); } } return sub; } /** * Initialize system configuration */ public void init() { welcome(); if (System.getProperty(MIDPOINT_HOME) == null || System.getProperty(MIDPOINT_HOME).isEmpty()) { LOGGER.warn( "*****************************************************************************************"); LOGGER.warn(MIDPOINT_HOME + " is not set ! Using default configuration, for more information see http://wiki.evolveum.com/display/midPoint/"); LOGGER.warn( "*****************************************************************************************"); System.out.println("*******************************************************************************"); System.out.println(MIDPOINT_HOME + " is not set ! Using default configuration, for more information"); System.out.println(" see http://wiki.evolveum.com/display/midPoint/"); System.out.println("*******************************************************************************"); if (getConfigFilename().startsWith("test")) { String midpointHome = "./target/midpoint-home"; System.setProperty(MIDPOINT_HOME, midpointHome); System.out.println("Using " + MIDPOINT_HOME + " for test runs: '" + midpointHome + "'."); } else { String userHome = System.getProperty(USER_HOME); if (!userHome.endsWith("/")) { userHome += "/"; } userHome += "midpoint"; System.setProperty(MIDPOINT_HOME, userHome); LOGGER.warn("Setting {} to '{}'.", new Object[] { MIDPOINT_HOME, userHome }); System.out.println("Setting " + MIDPOINT_HOME + " to '" + userHome + "'."); } } String midpointHomeString = System.getProperty(MIDPOINT_HOME); if (midpointHomeString != null) { //Fix missing last slash in path if (!midpointHomeString.endsWith("/")) { midpointHomeString = midpointHomeString + "/"; System.setProperty(MIDPOINT_HOME, midpointHomeString); } } File midpointHome = new File(midpointHomeString); setupInitialLogging(midpointHome); loadConfiguration(midpointHome); if (isSafeMode()) { LOGGER.info("Safe mode is ON; setting tolerateUndeclaredPrefixes to TRUE"); QNameUtil.setTolerateUndeclaredPrefixes(true); } // Make sure that this is called very early in the startup sequence. // This is needed to properly initialize the resources // (the "org/apache/xml/security/resource/xmlsecurity" resource bundle error) WSSConfig.init(); } /** * Loading logic */ private void loadConfiguration(File midpointHome) { if (config != null) { config.clear(); } else { config = new CompositeConfiguration(); } DocumentBuilder documentBuilder = DOMUtil.createDocumentBuilder(); // we need namespace-aware document builder (see GeneralChangeProcessor.java) if (midpointHome != null) { /* configuration logic */ File f = new File(midpointHome, this.getConfigFilename()); System.out.println("Loading midPoint configuration from file " + f); LOGGER.info("Loading midPoint configuration from file {}", f); try { if (!f.exists()) { LOGGER.warn("Configuration file {} does not exists. Need to do extraction ...", f); ApplicationHomeSetup ah = new ApplicationHomeSetup(); ah.init(MIDPOINT_HOME); ClassPathUtil.extractFileFromClassPath(this.getConfigFilename(), f.getPath()); } //Load and parse properties config.addProperty(MIDPOINT_HOME, System.getProperty(MIDPOINT_HOME)); createXmlConfiguration(documentBuilder, f.getPath()); } catch (ConfigurationException e) { String message = "Unable to read configuration file [" + f + "]: " + e.getMessage(); LOGGER.error(message); System.out.println(message); throw new SystemException(message, e); // there's no point in continuing with midpoint initialization } } else { // Load from current directory try { createXmlConfiguration(documentBuilder, this.getConfigFilename()); } catch (ConfigurationException e) { String message = "Unable to read configuration file [" + this.getConfigFilename() + "]: " + e.getMessage(); LOGGER.error(message); System.out.println(message); throw new SystemException(message, e); } } } private void setupInitialLogging(File midpointHome) { File logbackConfigFile = new File(midpointHome, LOGBACK_CONFIG_FILENAME); if (!logbackConfigFile.exists()) { return; } LOGGER.info("Loading additional logging configuration from {}", logbackConfigFile); LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory(); try { JoranConfigurator configurator = new JoranConfigurator(); configurator.setContext(context); configurator.doConfigure(logbackConfigFile); } catch (JoranException je) { // StatusPrinter will handle this } catch (Exception ex) { ex.printStackTrace(); } StatusPrinter.printInCaseOfErrorsOrWarnings(context); } private void createXmlConfiguration(DocumentBuilder documentBuilder, String filename) throws ConfigurationException { XMLConfiguration xmlConfig = new XMLConfiguration(); xmlConfig.setDocumentBuilder(documentBuilder); xmlConfig.setFileName(filename); xmlConfig.load(); config.addConfiguration(xmlConfig); xmlConfigAsDocument = DOMUtil.parseFile(filename); } @Override public Document getXmlConfigAsDocument() { return xmlConfigAsDocument; } @Override public boolean isSafeMode() { Configuration c = getConfiguration(MIDPOINT_SECTION); if (c == null) { return false; // should not occur } return c.getBoolean(SAFE_MODE, false); } @Override public String toString() { @SuppressWarnings("unchecked") Iterator<String> i = config.getKeys(); StringBuilder sb = new StringBuilder(); while (i.hasNext()) { String key = i.next(); sb.append(key); sb.append(" = "); sb.append(config.getString(key)); sb.append("; "); } return sb.toString(); } private void welcome() { try { Configuration info = new PropertiesConfiguration("midpoint.info"); DateFormat formatter = new SimpleDateFormat("dd/MM/yyyy hh:mm:ss.SSS"); LOGGER.info( "+--------------------------------------------------------------------------------------------+"); LOGGER.info("| _ | | _ \\ _ _| |_"); LOGGER.info("| ___ ____ (_) __| | |_) |___ (_)___|_ _|"); LOGGER.info("| | _ ` _ `| |/ _ | __/ _ \\| | _` | |"); LOGGER.info("| | | | | | | | (_| | | | (_) | | | | | |_"); LOGGER.info("| |_| |_| |_|_|\\____|_| \\____/|_|_| |_|\\__| by Evolveum and partners"); LOGGER.info("|"); LOGGER.info( "| Licensed under the Apache License, Version 2.0 see: http://www.apache.org/licenses/LICENSE-2.0"); LOGGER.info("| Version : " + info.getString("midpoint.version")); // try { // LOGGER.info("| Build : " + info.getString("midpoint.build") + " at " // + formatter.format(new Date(info.getLong("midpoint.timestamp")))); // } catch (NumberFormatException ex) { // LOGGER.info("| Build : " + info.getString("midpoint.build")); // } LOGGER.info("| Sources : " + info.getString("midpoint.scm") + " branch: " + info.getString("midpoint.branch")); LOGGER.info("| Bug reporting system : " + info.getString("midpoint.jira")); LOGGER.info("| Product information : http://wiki.evolveum.com/display/midPoint"); LOGGER.info( "+---------------------------------------------------------------------------------------------+"); } catch (ConfigurationException e) { //NOTHING just skip } } }