/*
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* This file is part of Dorado 7.x (http://dorado7.bsdn.org).
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*
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* Copyright (c) 2002-2012 BSTEK Corp. All rights reserved.
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*
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* This file is dual-licensed under the AGPLv3 (http://www.gnu.org/licenses/agpl-3.0.html)
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* and BSDN commercial (http://www.bsdn.org/licenses) licenses.
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*
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* If you are unsure which license is appropriate for your use, please contact the sales department
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* at http://www.bstek.com/contact.
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*/
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package com.bstek.dorado.web.loader;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.StringWriter;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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import java.util.Properties;
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import java.util.Timer;
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import java.util.TimerTask;
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import javax.servlet.ServletContext;
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import org.apache.commons.jexl2.JexlContext;
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import org.apache.commons.jexl2.MapContext;
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import org.apache.commons.lang.ArrayUtils;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.context.ConfigurableApplicationContext;
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import org.springframework.web.util.WebUtils;
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import com.bstek.dorado.core.Configure;
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import com.bstek.dorado.core.ConfigureStore;
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import com.bstek.dorado.core.Context;
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import com.bstek.dorado.core.DoradoAbout;
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import com.bstek.dorado.core.EngineStartupListenerManager;
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import com.bstek.dorado.core.el.DefaultExpressionHandler;
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import com.bstek.dorado.core.el.Expression;
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import com.bstek.dorado.core.el.ExpressionHandler;
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import com.bstek.dorado.core.io.BaseResourceLoader;
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import com.bstek.dorado.core.io.LocationTransformerHolder;
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import com.bstek.dorado.core.io.Resource;
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import com.bstek.dorado.core.io.ResourceLoader;
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import com.bstek.dorado.core.io.ResourceUtils;
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import com.bstek.dorado.core.pkgs.PackageConfigurer;
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import com.bstek.dorado.core.pkgs.PackageInfo;
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import com.bstek.dorado.core.pkgs.PackageListener;
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import com.bstek.dorado.core.pkgs.PackageManager;
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import com.bstek.dorado.util.TempFileUtils;
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import com.bstek.dorado.web.ConsoleUtils;
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import com.bstek.dorado.web.DoradoContext;
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import com.bstek.dorado.web.servlet.ServletContextResourceLoader;
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public class DoradoLoader {
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private static final Log logger = LogFactory.getLog(DoradoLoader.class);
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private static final String CORE_PROPERTIES_LOCATION_PREFIX = "classpath:com/bstek/dorado/core/";
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private static final String HOME_LOCATION_PREFIX = "home:";
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private static final int HOME_LOCATION_PREFIX_LEN = HOME_LOCATION_PREFIX
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.length();
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private static final String DEFAULT_DORADO_HOME = "/WEB-INF/dorado-home";
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private static final String RESOURCE_LOADER_PROPERTY = "core.resourceLoader";
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private static final String BYTE_CODE_PROVIDER_PROPERTY = "core.defaultByteCodeProvider";
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private static final String HOME_PROPERTY = "core.doradoHome";
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private static final String CONTEXT_CONFIG_PROPERTY = "core.contextConfigLocation";
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private static final String SERVLET_CONTEXT_CONFIG_PROPERTY = "core.servletContextConfigLocation";
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private static final String IGNORE_ORIGIN_CONTEXT_CONFIGS = "dorado.ignoreOriginContextConfigs";
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private static final String CONTEXT_CONFIG_LOCATION = "contextConfigLocation";
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private static final String SERVLET_CONTEXT_CONFIG_LOCATION = "servletContextConfigLocation";
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private static final String CONTEXT_FILE_EXT = ".xml";
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private static final String HOME_CONTEXT_PREFIX = HOME_LOCATION_PREFIX
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+ "context";
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private static final String HOME_CONTEXT_XML = HOME_CONTEXT_PREFIX
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+ CONTEXT_FILE_EXT;
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private static final String HOME_SERVLET_CONTEXT_PREFIX = HOME_LOCATION_PREFIX
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+ "servlet-context";
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private static final String HOME_SERVLET_CONTEXT_XML = HOME_SERVLET_CONTEXT_PREFIX
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+ CONTEXT_FILE_EXT;
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private static DoradoLoader instance;
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private boolean preloaded;
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private boolean loaded;
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private boolean closed;
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private String doradoHome;
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private List<String> profiles;
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private ServletContext servletContext;
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private List<String> contextLocations = new ArrayList<String>();
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private List<String> servletContextLocations = new ArrayList<String>();
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private DoradoLoader() {
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}
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public synchronized static DoradoLoader getInstance() {
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if (instance == null) {
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instance = new DoradoLoader();
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}
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return instance;
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}
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public String[] getRealResourcesPath(List<String> locations)
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throws IOException {
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if (locations == null || locations.isEmpty()) {
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return null;
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}
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List<String> result = new ArrayList<String>();
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for (String location : locations) {
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if (StringUtils.isNotEmpty(location)) {
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result.add(location);
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}
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}
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return result.toArray(new String[0]);
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}
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private void pushLocation(List<String> locationList, String location) {
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if (StringUtils.isNotEmpty(location)) {
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location = LocationTransformerHolder.transformLocation(location);
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locationList.add(location);
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}
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}
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private void pushLocations(List<String> locationList, String locations) {
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if (StringUtils.isNotEmpty(locations)) {
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for (String location : org.springframework.util.StringUtils
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.tokenizeToStringArray(
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locations,
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ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS)) {
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pushLocation(locationList, location);
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}
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}
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}
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private void loadConfigureProperties(ConfigureStore configureStore,
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ResourceLoader resourceLoader, String configureLocation,
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boolean silence) throws IOException {
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// 装载附加的基本配置信息
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ConsoleUtils.outputLoadingInfo("Loading configure from ["
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+ configureLocation + "]...");
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if (StringUtils.isNotEmpty(configureLocation)) {
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Resource resource = resourceLoader.getResource(configureLocation);
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if (!resource.exists()) {
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if (silence) {
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logger.warn("Can not found resource [" + configureLocation
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+ "].");
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return;
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} else {
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throw new IOException("Can not found resource ["
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+ configureLocation + "].");
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}
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}
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InputStream in = resource.getInputStream();
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Properties properties = new Properties();
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try {
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properties.load(in);
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} finally {
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in.close();
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}
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ExpressionHandler expressionHandler = new DefaultExpressionHandler() {
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@Override
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public JexlContext getJexlContext() {
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JexlContext elContext = new MapContext();
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elContext.set("env", System.getenv());
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elContext.set("system", System.getProperties());
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return elContext;
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}
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};
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for (Map.Entry<?, ?> entry : properties.entrySet()) {
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String text = (String) entry.getValue();
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Object value = text;
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if (StringUtils.isNotEmpty(text)) {
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Expression expression = expressionHandler.compile(text);
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if (expression != null) {
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value = expression.evaluate();
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}
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}
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configureStore.set((String) entry.getKey(), value);
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}
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}
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}
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public boolean isPreloaded() {
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return preloaded;
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}
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public boolean isLoaded() {
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return loaded;
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}
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public String getDoradoHome() {
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return doradoHome;
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}
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public void setDoradoHome(String doradoHome) {
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this.doradoHome = doradoHome;
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}
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public List<String> getProfiles() {
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return profiles;
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}
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public void setProfiles(List<String> profiles) {
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this.profiles = profiles;
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}
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public List<String> getContextLocations(boolean toRealPath) {
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return contextLocations;
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}
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public List<String> getServletContextLocations(boolean toRealPath) {
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return servletContextLocations;
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}
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public void setServletContext(ServletContext servletContext) {
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this.servletContext = servletContext;
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}
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public void setFailSafeContext(Context failSafeContext) {
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Context.setFailSafeContext(failSafeContext);
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}
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public synchronized void preload(boolean processOriginContextConfigLocation) throws Exception {
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if (closed) {
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return;
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}
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if (preloaded) {
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throw new IllegalStateException(
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"Dorado base configurations already loaded.");
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}
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preloaded = true;
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// 输出版本信息
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ConsoleUtils.outputLoadingInfo("Initializing "
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+ DoradoAbout.getProductTitle() + " engine...");
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ConsoleUtils.outputLoadingInfo("[Vendor: " + DoradoAbout.getVendor()
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+ "]");
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ConfigureStore configureStore = Configure.getStore();
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String intParam = null;
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if (doradoHome == null) {
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doradoHome = System.getenv("DORADO_HOME");
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if (StringUtils.isEmpty(doradoHome)) {
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doradoHome = System.getProperty("doradoHome");
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}
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// 处理DoradoHome
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if (servletContext != null) {
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intParam = servletContext.getInitParameter("doradoHome");
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}
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if (intParam != null) {
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doradoHome = intParam;
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}
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if (doradoHome == null) {
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doradoHome = DEFAULT_DORADO_HOME;
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}
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}
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configureStore.set(HOME_PROPERTY, doradoHome);
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ConsoleUtils
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.outputLoadingInfo("[Home: "
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+ StringUtils.defaultString(doradoHome,
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"<not assigned>") + "]");
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// 创建一个临时的ResourceLoader
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ResourceLoader resourceLoader;
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if (servletContext != null) {
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resourceLoader = new ServletContextResourceLoader(
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servletContext) {
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@Override
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public Resource getResource(String resourceLocation) {
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if (resourceLocation != null
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&& resourceLocation.startsWith(HOME_LOCATION_PREFIX)) {
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resourceLocation = ResourceUtils.concatPath(doradoHome,
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resourceLocation
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.substring(HOME_LOCATION_PREFIX_LEN));
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}
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return super.getResource(resourceLocation);
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}
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};
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}
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else {
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resourceLoader = new BaseResourceLoader(){
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@Override
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public Resource getResource(String resourceLocation) {
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if (resourceLocation != null
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&& resourceLocation.startsWith(HOME_LOCATION_PREFIX)) {
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resourceLocation = ResourceUtils.concatPath(doradoHome,
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resourceLocation
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.substring(HOME_LOCATION_PREFIX_LEN));
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}
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return super.getResource(resourceLocation);
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}
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};
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}
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String runMode = null;
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if (StringUtils.isNotEmpty(doradoHome)) {
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String configureLocation = HOME_LOCATION_PREFIX
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+ "configure.properties";
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loadConfigureProperties(configureStore, resourceLoader,
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configureLocation, false);
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}
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runMode = configureStore.getString("core.runMode");
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if (StringUtils.isNotEmpty(runMode)) {
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loadConfigureProperties(configureStore, resourceLoader,
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CORE_PROPERTIES_LOCATION_PREFIX + "configure-" + runMode
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+ ".properties", true);
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if (StringUtils.isNotEmpty(doradoHome)) {
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loadConfigureProperties(configureStore, resourceLoader,
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HOME_LOCATION_PREFIX + "configure-" + runMode
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+ ".properties", true);
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}
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}
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ConsoleUtils.outputConfigureItem("core.runMode");
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ConsoleUtils.outputConfigureItem("core.addonLoadMode");
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File tempDir;
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String tempDirPath = configureStore.getString("core.tempDir");
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if (StringUtils.isNotBlank(tempDirPath)) {
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tempDir = new File(tempDirPath);
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} else if (servletContext != null) {
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tempDir = new File(WebUtils.getTempDir(servletContext), ".dorado");
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}
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else {
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tempDir = new File(System.getProperty("java.io.tmpdir"), ".dorado");
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}
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boolean supportsTempFile = configureStore
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.getBoolean("core.supportsTempFile");
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TempFileUtils.setSupportsTempFile(supportsTempFile);
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if (supportsTempFile) {
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if ((tempDir.exists() && tempDir.isDirectory()) || tempDir.mkdir()) {
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TempFileUtils.setTempDir(tempDir);
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}
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ConsoleUtils.outputLoadingInfo("[TempDir: "
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+ TempFileUtils.getTempDir().getPath() + "]");
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} else {
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ConsoleUtils.outputLoadingInfo("Temp file is forbidden.");
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}
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// 选择一个存储目录
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File storeDir;
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String storeDirSettring = configureStore.getString("core.storeDir");
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if (StringUtils.isNotEmpty(storeDirSettring)) {
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storeDir = new File(storeDirSettring);
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File testFile = new File(storeDir, ".test");
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if (!testFile.mkdirs()) {
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throw new IllegalStateException("Store directory ["
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+ storeDir.getAbsolutePath()
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+ "] is not writable in actually.");
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}
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testFile.delete();
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} else {
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storeDir = new File(tempDir, "dorado-store");
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configureStore.set("core.storeDir", storeDir.getAbsolutePath());
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}
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ConsoleUtils.outputConfigureItem("core.storeDir");
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// gothrough packages
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String addonLoadMode = Configure.getString("core.addonLoadMode");
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String[] enabledAddons = StringUtils.split(
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Configure.getString("core.enabledAddons"), ",; \n\r");
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String[] disabledAddon = StringUtils.split(
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Configure.getString("core.disabledAddon"), ",; \n\r");
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Collection<PackageInfo> packageInfos = PackageManager
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.getPackageInfoMap().values();
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int addonNumber = 0;
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for (PackageInfo packageInfo : packageInfos) {
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String packageName = packageInfo.getName();
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if (packageName.equals("dorado-core")) {
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continue;
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}
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if (addonNumber > 9999) {
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packageInfo.setEnabled(false);
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} else if (StringUtils.isEmpty(addonLoadMode)
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|| "positive".equals(addonLoadMode)) {
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packageInfo.setEnabled(!ArrayUtils.contains(disabledAddon,
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packageName));
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} else {
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// addonLoadMode == negative
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packageInfo.setEnabled(ArrayUtils.contains(enabledAddons,
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packageName));
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}
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if (packageInfo.isEnabled()) {
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addonNumber++;
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}
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}
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// print packages
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int i = 0;
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for (PackageInfo packageInfo : packageInfos) {
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ConsoleUtils.outputLoadingInfo(StringUtils.rightPad(
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String.valueOf(++i) + '.', 4)
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+ "Package ["
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+ packageInfo.getName()
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+ " - "
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+ StringUtils.defaultIfEmpty(packageInfo.getVersion(),
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"<Unknown Version>")
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+ "] found."
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+ ((packageInfo.isEnabled() ? "" : " #DISABLED# ")));
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}
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// load packages
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for (PackageInfo packageInfo : packageInfos) {
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if (!packageInfo.isEnabled()) {
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pushLocations(contextLocations,
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packageInfo.getComponentLocations());
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continue;
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}
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PackageListener packageListener = packageInfo.getListener();
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if (packageListener != null) {
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packageListener.beforeLoadPackage(packageInfo, resourceLoader);
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}
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PackageConfigurer packageConfigurer = packageInfo.getConfigurer();
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if (StringUtils.isNotEmpty(packageInfo.getPropertiesLocations())) {
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for (String location : org.springframework.util.StringUtils
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.tokenizeToStringArray(
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packageInfo.getPropertiesLocations(),
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ConfigurableApplicationContext.CONFIG_LOCATION_DELIMITERS)) {
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loadConfigureProperties(configureStore, resourceLoader,
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location, false);
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}
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}
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String[] locations;
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if (packageConfigurer != null) {
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locations = packageConfigurer
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.getPropertiesConfigLocations(resourceLoader);
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if (locations != null) {
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for (String location : locations) {
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loadConfigureProperties(configureStore, resourceLoader,
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location, false);
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}
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}
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}
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// 处理Spring的配置文件
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pushLocations(contextLocations, packageInfo.getContextLocations());
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if (packageConfigurer != null) {
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locations = packageConfigurer
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.getContextConfigLocations(resourceLoader);
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if (locations != null) {
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for (String location : locations) {
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pushLocation(contextLocations, location);
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}
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}
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}
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pushLocations(servletContextLocations,
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packageInfo.getServletContextLocations());
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if (packageConfigurer != null) {
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locations = packageConfigurer
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.getServletContextConfigLocations(resourceLoader);
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if (locations != null) {
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for (String location : locations) {
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pushLocation(servletContextLocations, location);
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}
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}
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}
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packageInfo.setLoaded(true);
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}
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// 再次装载dorado-home下的properties，以覆盖addon中的设置。
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if (StringUtils.isNotEmpty(doradoHome)) {
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String configureLocation = HOME_LOCATION_PREFIX
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+ "configure.properties";
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loadConfigureProperties(configureStore, resourceLoader,
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configureLocation, true);
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if (StringUtils.isNotEmpty(runMode)) {
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loadConfigureProperties(configureStore, resourceLoader,
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CORE_PROPERTIES_LOCATION_PREFIX + "configure-"
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+ runMode + ".properties", true);
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loadConfigureProperties(configureStore, resourceLoader,
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HOME_LOCATION_PREFIX + "configure-" + runMode
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+ ".properties", true);
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}
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if (profiles != null) {
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for (String profile: profiles) {
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configureLocation = HOME_LOCATION_PREFIX + profile + '/'
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+ "configure.properties";
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loadConfigureProperties(configureStore, resourceLoader,
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configureLocation, true);
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if (StringUtils.isNotEmpty(runMode)) {
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loadConfigureProperties(configureStore, resourceLoader,
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HOME_LOCATION_PREFIX + profile + '/' + "configure-" + runMode
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+ ".properties", true);
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}
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}
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}
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}
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Resource resource;
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boolean ignoreOriginContextConfigs = false;
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if (servletContext != null) {
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intParam = servletContext
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.getInitParameter(IGNORE_ORIGIN_CONTEXT_CONFIGS);
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if (intParam != null) {
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ignoreOriginContextConfigs = Boolean.parseBoolean(intParam);
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}
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}
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// context
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if (servletContext != null && processOriginContextConfigLocation && !ignoreOriginContextConfigs) {
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intParam = servletContext.getInitParameter(CONTEXT_CONFIG_LOCATION);
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if (intParam != null) {
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pushLocations(contextLocations, intParam);
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}
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}
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resource = resourceLoader.getResource(HOME_CONTEXT_XML);
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if (resource.exists()) {
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pushLocations(contextLocations, HOME_CONTEXT_XML);
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}
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if (StringUtils.isNotEmpty(runMode)) {
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String extHomeContext = HOME_CONTEXT_PREFIX + '-' + runMode
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+ CONTEXT_FILE_EXT;
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resource = resourceLoader.getResource(extHomeContext);
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if (resource.exists()) {
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pushLocations(contextLocations, extHomeContext);
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}
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}
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if (profiles != null) {
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for (String profile: profiles) {
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String path = HOME_LOCATION_PREFIX + profile + "/context" + CONTEXT_FILE_EXT;
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resource = resourceLoader.getResource(path);
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if (resource.exists()) {
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pushLocations(contextLocations, path);
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}
|
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if (StringUtils.isNotEmpty(runMode)) {
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path = HOME_CONTEXT_PREFIX + profile + "/context-" + runMode + CONTEXT_FILE_EXT;
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resource = resourceLoader.getResource(path);
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if (resource.exists()) {
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pushLocations(contextLocations, path);
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}
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}
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}
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}
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// servlet-context
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if (servletContext != null && processOriginContextConfigLocation && !ignoreOriginContextConfigs) {
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intParam = servletContext
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.getInitParameter(SERVLET_CONTEXT_CONFIG_LOCATION);
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if (intParam != null) {
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pushLocations(servletContextLocations, intParam);
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}
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}
|
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resource = resourceLoader.getResource(HOME_SERVLET_CONTEXT_XML);
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if (resource.exists()) {
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pushLocations(servletContextLocations, HOME_SERVLET_CONTEXT_XML);
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}
|
|
if (StringUtils.isNotEmpty(runMode)) {
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String extHomeContext = HOME_SERVLET_CONTEXT_PREFIX + '-' + runMode
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+ CONTEXT_FILE_EXT;
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resource = resourceLoader.getResource(extHomeContext);
|
if (resource.exists()) {
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pushLocations(servletContextLocations, extHomeContext);
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}
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}
|
|
if (profiles != null) {
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for (String profile: profiles) {
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String path = HOME_LOCATION_PREFIX + profile + "/servlet-context" + CONTEXT_FILE_EXT;
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resource = resourceLoader.getResource(path);
|
if (resource.exists()) {
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pushLocations(servletContextLocations, path);
|
}
|
|
if (StringUtils.isNotEmpty(runMode)) {
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path = HOME_CONTEXT_PREFIX + profile + "/servlet-context-" + runMode + CONTEXT_FILE_EXT;
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resource = resourceLoader.getResource(path);
|
if (resource.exists()) {
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pushLocations(servletContextLocations, path);
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}
|
}
|
}
|
}
|
|
ConsoleUtils.outputConfigureItem(RESOURCE_LOADER_PROPERTY);
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ConsoleUtils.outputConfigureItem(BYTE_CODE_PROVIDER_PROPERTY);
|
|
String contextLocationsFromProperties = configureStore
|
.getString(CONTEXT_CONFIG_PROPERTY);
|
if (contextLocationsFromProperties != null) {
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pushLocations(contextLocations, contextLocationsFromProperties);
|
}
|
configureStore.set(CONTEXT_CONFIG_PROPERTY,
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StringUtils.join(getRealResourcesPath(contextLocations), ';'));
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ConsoleUtils.outputConfigureItem(CONTEXT_CONFIG_PROPERTY);
|
|
String serlvetContextLocationsFromProperties = configureStore
|
.getString(SERVLET_CONTEXT_CONFIG_PROPERTY);
|
if (serlvetContextLocationsFromProperties != null) {
|
pushLocations(servletContextLocations,
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serlvetContextLocationsFromProperties);
|
}
|
configureStore.set(SERVLET_CONTEXT_CONFIG_PROPERTY, StringUtils.join(
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getRealResourcesPath(servletContextLocations), ';'));
|
ConsoleUtils.outputConfigureItem(SERVLET_CONTEXT_CONFIG_PROPERTY);
|
}
|
|
public synchronized void load()
|
throws Exception {
|
if (!closed) {
|
if (!preloaded) {
|
throw new IllegalStateException(
|
"Can not load dorado services before base configurations loaded.");
|
}
|
if (loaded) {
|
throw new IllegalStateException(
|
"Dorado services already loaded.");
|
}
|
}
|
closed = false;
|
loaded = true;
|
|
EngineStartupListenerManager.notifyStartup();
|
|
Context context = Context.getCurrent();
|
ConsoleStartedMessagesOutputter consoleStartedMessagesOutputter = (ConsoleStartedMessagesOutputter) context
|
.getServiceBean("consoleStartedMessagesOutputter");
|
StringWriter buffer = new StringWriter();
|
try {
|
consoleStartedMessagesOutputter.output(buffer);
|
|
} finally {
|
buffer.close();
|
}
|
if (context instanceof DoradoContext) {
|
DoradoContext.dispose();
|
}
|
|
Timer timer = new Timer();
|
timer.schedule(new ConsoleMessageTimerTask(buffer.toString()), 500L);
|
}
|
|
public synchronized void destroy() {
|
closed = true;
|
}
|
}
|
|
class ConsoleMessageTimerTask extends TimerTask {
|
private static final Log logger = LogFactory
|
.getLog(ConsoleMessageTimerTask.class);
|
|
private String content;
|
|
public ConsoleMessageTimerTask(String content) {
|
this.content = content;
|
}
|
|
@Override
|
public void run() {
|
try {
|
System.out.print(content);
|
} catch (Exception e) {
|
logger.error(e, e);
|
}
|
}
|
}
|
