Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 org.apache.openejb.assembler.classic.cmd; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.CommandLineParser; import org.apache.commons.cli.HelpFormatter; import org.apache.commons.cli.Option; import org.apache.commons.cli.OptionBuilder; import org.apache.commons.cli.Options; import org.apache.commons.cli.ParseException; import org.apache.commons.cli.PosixParser; import org.apache.openejb.assembler.classic.OpenEjbConfiguration; import org.apache.openejb.assembler.classic.ServiceInfo; import org.apache.openejb.loader.SystemInstance; import org.apache.openejb.util.Messages; import org.apache.openejb.util.OpenEjbVersion; import org.apache.openejb.util.SuperProperties; import org.apache.openejb.util.URISupport; import javax.naming.Context; import javax.naming.InitialContext; import javax.naming.NamingException; import javax.naming.ServiceUnavailableException; import java.io.File; import java.io.FilterOutputStream; import java.io.IOException; import java.io.OutputStream; import java.io.PrintStream; import java.io.PrintWriter; import java.util.Date; import java.util.HashMap; import java.util.Map; import java.util.Properties; /** * @version $Rev$ $Date$ */ public class Info2Properties { private static final Messages messages = new Messages(Info2Properties.class); private static final String defaultServerUrl = "ejbd://localhost:4201"; public static void main(final String[] args) { final CommandLineParser parser = new PosixParser(); // create the Options final Options options = new Options(); options.addOption(option("v", "version", "cmd.properties.opt.version")); options.addOption(option("h", "help", "cmd.properties.opt.help")); options.addOption(option("s", "server-url", "url", "cmd.properties.opt.server")); CommandLine line = null; try { // parse the command line arguments line = parser.parse(options, args); } catch (final ParseException exp) { help(options); System.exit(-1); } if (line.hasOption("help")) { help(options); System.exit(0); } else if (line.hasOption("version")) { OpenEjbVersion.get().print(System.out); System.exit(0); } final Properties p = new Properties(); p.put(Context.INITIAL_CONTEXT_FACTORY, "org.apache.openejb.client.RemoteInitialContextFactory"); final String serverUrl = line.getOptionValue("server-url", defaultServerUrl); p.put(Context.PROVIDER_URL, serverUrl); ConfigurationInfo configInfo = null; try { final InitialContext ctx = new InitialContext(p); configInfo = (ConfigurationInfo) ctx.lookup("openejb/ConfigurationInfoBusinessRemote"); } catch (final ServiceUnavailableException e) { System.out.println(e.getCause().getMessage()); System.out.println(messages.format("cmd.deploy.serverOffline")); System.exit(1); } catch (final NamingException e) { System.out.println("ConfigurationInfo does not exist in server '" + serverUrl + "', check the server logs to ensure it exists and has not been removed."); System.exit(2); } File tempFile = null; try { try { tempFile = File.createTempFile("configrequest", "txt"); } catch (final Throwable e) { final File tmp = new File("tmp"); if (!tmp.exists() && !tmp.mkdirs()) { throw new IOException("Failed to create local tmp directory: " + tmp.getAbsolutePath()); } tempFile = File.createTempFile("configrequest", "txt", tmp); } if (!tempFile.exists()) { throw new IllegalStateException("Failed to create tmp file: " + tempFile.getAbsolutePath()); } } catch (final Exception e) { System.err.println("Temp file creation failed."); e.printStackTrace(); System.exit(1); } OpenEjbConfiguration configuration = null; try { configuration = configInfo.getOpenEjbConfiguration(tempFile); } catch (final ConfigurationInfo.UnauthorizedException e) { System.err.println( "This tool is currently crippled to only work with server's on the same physical machine. See this JIRA issue for details: http://issues.apache.org/jira/browse/OPENEJB-621"); System.exit(10); } printConfig(configuration); } public static void printLocalConfig() { final OpenEjbConfiguration configuration = SystemInstance.get().getComponent(OpenEjbConfiguration.class); if (configuration != null) { printConfig(configuration); } } public static void printConfig(final OpenEjbConfiguration configuration) { printConfig(configuration, System.out, System.getProperty("line.separator")); } public static void printConfig(final OpenEjbConfiguration configuration, final PrintStream out, final String cr) { comment(out, cr, i18n("cmd.properties.header")); comment(out, cr, ""); comment(out, cr, ""); comment(out, cr, "Generated by OpenEJB " + OpenEjbVersion.get().getVersion()); comment(out, cr, "On " + new Date().toString()); comment(out, cr, ""); comment(out, cr, ""); println(out, cr, ""); println(out, cr, ""); comment(out, cr, "-------------------------------------------------"); comment(out, cr, " Components configurable via openejb.xml"); comment(out, cr, "-------------------------------------------------"); println(out, cr, ""); println(out, cr, ""); for (final ServiceInfo info : configuration.containerSystem.containers) { print(out, cr, info); } for (final ServiceInfo info : configuration.facilities.connectionManagers) { print(out, cr, info); } for (final ServiceInfo info : configuration.facilities.resources) { print(out, cr, info); } print(out, cr, configuration.facilities.securityService); print(out, cr, configuration.facilities.transactionService); println(out, cr, ""); comment(out, cr, "-------------------------------------------------"); comment(out, cr, " Services configured via conf/<id>.properties"); comment(out, cr, "-------------------------------------------------"); println(out, cr, ""); println(out, cr, ""); for (final ServiceInfo info : configuration.facilities.services) { print(out, cr, info); } println(out, cr, ""); comment(out, cr, "-------------------------------------------------"); comment(out, cr, " Misc OpenEJB flags and properties"); comment(out, cr, "-------------------------------------------------"); println(out, cr, ""); printSystemProperties(out, cr); } private static void printSystemProperties(final PrintStream out, final String cr) { try { final SuperProperties p = new SuperProperties(); p.setSpaceBetweenProperties(false); p.setKeyValueSeparator(" = "); p.setLineSeparator(cr); copyOpenEjbProperties(System.getProperties(), p); copyOpenEjbProperties(SystemInstance.get().getProperties(), p); p.store(out, null); final Properties p2 = System.getProperties(); final String[] misc = { "os.version", "os.name", "os.arch", "java.version", "java.vendor" }; for (final String prop : misc) { comment(out, cr, prop + "=" + p2.get(prop)); } } catch (final IOException e) { e.printStackTrace(new PrintWriter(new CommentsFilter(out))); } } private static void copyOpenEjbProperties(final Properties source, final Properties dest) { for (final Map.Entry<Object, Object> entry : source.entrySet()) { if (!(entry.getKey() instanceof String)) { continue; } if (!(entry.getValue() instanceof String)) { continue; } final String key = (String) entry.getKey(); if (key.startsWith("openejb.")) { dest.put(entry.getKey(), entry.getValue()); } } } private static void comment(final PrintStream out, final String cr, String text) { text = text.replaceAll("\n", "\n# ").replace("\n", cr); print(out, "# "); println(out, cr, text); } private static void print(final PrintStream out, final String text) { out.print(text); } private static void println(final PrintStream out, final String cr, final String text) { out.print(text.replace("\n", cr) + cr); out.flush(); } private static void print(final PrintStream out, final String cr, final ServiceInfo info) { try { println(out, cr, ""); comment(out, cr, info.service + "(id=" + info.id + ")"); comment(out, cr, "className: " + info.className); // TODO: the codebase value usually isn't filled in, we should do that. // comment("codebase: " + info.codebase); comment(out, cr, ""); final SuperProperties p = new SuperProperties(); p.setSpaceBetweenProperties(false); p.setKeyValueSeparator(" = "); p.setLineSeparator(cr); String uri = "new://" + info.service; if (info.service.matches("Container|Resource|Connector")) { try { final Map query = new HashMap(); query.put("type", info.types.get(0)); uri += "?" + URISupport.createQueryString(query); } catch (final Exception e) { // no-op } } p.put(info.id, uri); for (final Map.Entry<Object, Object> entry : info.properties.entrySet()) { if (!(entry.getKey() instanceof String)) { continue; } if (!(entry.getValue() instanceof String)) { continue; } // If property name is 'password' replace value with 'xxxx' to protect it if ("password".equalsIgnoreCase((String) entry.getKey())) { p.put(info.id + "." + entry.getKey(), "xxxx"); } else { p.put(info.id + "." + entry.getKey(), entry.getValue()); } } p.store(out, null); } catch (final IOException e) { out.println("# Printing service(id=" + info.id + ") failed."); e.printStackTrace(new PrintWriter(new CommentsFilter(out))); } } // Filter out the stupid date comment the Properties.store() method // adds seemingly no matter what. static class Filter extends FilterOutputStream { private boolean pastFirstLine; public Filter(final OutputStream out) { super(out); } public void write(final int b) throws IOException { if (pastFirstLine) { super.write(b); } else { pastFirstLine = b == '\n'; } } } static class CommentsFilter extends FilterOutputStream { public CommentsFilter(final OutputStream out) { super(out); } public void write(final int b) throws IOException { super.write(b); if (b == '\n') { super.write('#'); } } } private static void help(final Options options) { final HelpFormatter formatter = new HelpFormatter(); formatter.printHelp("properties [options]", "\n" + i18n("cmd.properties.description"), options, "\n"); } private static Option option(final String shortOpt, final String longOpt, final String description) { return OptionBuilder.withLongOpt(longOpt).withDescription(i18n(description)).create(shortOpt); } private static Option option(final String shortOpt, final String longOpt, final String argName, final String description) { return OptionBuilder.withLongOpt(longOpt).withArgName(argName).hasArg().withDescription(i18n(description)) .create(shortOpt); } private static String i18n(final String key) { return messages.format(key); } }