4fa0a90fe8
git-svn-id: https://svn.verisignlabs.com/jdnssec/tools/trunk@90 4cbd57fe-54e5-0310-bd9a-f30fe5ea5e6e
253 lines
6.6 KiB
Java
253 lines
6.6 KiB
Java
// $Id: KeyGen.java 1954 2005-08-14 17:05:50Z davidb $
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//
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// Copyright (C) 2001-2003 VeriSign, Inc.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA
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package com.verisignlabs.dnssec.cl;
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import java.io.PrintWriter;
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import java.security.interfaces.RSAPublicKey;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.apache.commons.cli.*;
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import org.xbill.DNS.DNSKEYRecord;
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import com.verisignlabs.dnssec.security.BINDKeyUtils;
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import com.verisignlabs.dnssec.security.DnsKeyAlgorithm;
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import com.verisignlabs.dnssec.security.DnsKeyPair;
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/**
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* This class forms the command line implementation of a DNSSEC DS/DLV
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* generator
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*
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* @author David Blacka (original)
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* @author $Author: davidb $
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* @version $Revision: 1954 $
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*/
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public class KeyInfoTool
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{
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/**
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* This is a small inner class used to hold all of the command line option
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* state.
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*/
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private static class CLIState
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{
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private Options opts;
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public String keyname = null;
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public CLIState()
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{
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setupCLI();
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}
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/**
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* Set up the command line options.
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*
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* @return a set of command line options.
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*/
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private void setupCLI()
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{
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opts = new Options();
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// boolean options
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opts.addOption("h", "help", false, "Print this message.");
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// Argument options
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opts.addOption(OptionBuilder.hasOptionalArg().withLongOpt("verbose")
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.withArgName("level")
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.withDescription("verbosity level -- 0 is silence, "
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+ "5 is debug information, " + "6 is trace information.\n"
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+ "default is level 5.").create('v'));
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OptionBuilder.hasArg();
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OptionBuilder.withLongOpt("alg-alias");
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OptionBuilder.withArgName("alias:original:mnemonic");
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OptionBuilder.withDescription("define an alias for an algorithm");
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opts.addOption(OptionBuilder.create('A'));
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}
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public void parseCommandLine(String[] args)
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throws org.apache.commons.cli.ParseException
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{
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CommandLineParser cli_parser = new PosixParser();
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CommandLine cli = cli_parser.parse(opts, args);
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if (cli.hasOption('h')) usage();
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if (cli.hasOption('v'))
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{
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int value = parseInt(cli.getOptionValue('v'), 5);
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Logger rootLogger = Logger.getLogger("");
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switch (value)
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{
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case 0 :
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rootLogger.setLevel(Level.OFF);
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break;
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case 5 :
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default :
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rootLogger.setLevel(Level.FINE);
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break;
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case 6 :
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rootLogger.setLevel(Level.ALL);
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break;
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}
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}
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String[] optstrs;
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if ((optstrs = cli.getOptionValues('A')) != null)
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{
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for (int i = 0; i < optstrs.length; i++)
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{
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addArgAlias(optstrs[i]);
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}
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}
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String[] cl_args = cli.getArgs();
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if (cl_args.length < 1)
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{
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System.err.println("error: missing key file ");
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usage();
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}
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keyname = cl_args[0];
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}
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/** Print out the usage and help statements, then quit. */
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private void usage()
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{
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HelpFormatter f = new HelpFormatter();
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PrintWriter out = new PrintWriter(System.err);
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// print our own usage statement:
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f.printHelp(out,
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75,
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"jdnssec-keyinfo [..options..] keyfile",
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null,
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opts,
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HelpFormatter.DEFAULT_LEFT_PAD,
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HelpFormatter.DEFAULT_DESC_PAD,
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null);
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out.flush();
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System.exit(64);
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}
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}
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/**
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* This is just a convenience method for parsing integers from strings.
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*
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* @param s the string to parse.
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* @param def the default value, if the string doesn't parse.
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* @return the parsed integer, or the default.
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*/
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private static int parseInt(String s, int def)
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{
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try
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{
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int v = Integer.parseInt(s);
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return v;
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}
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catch (NumberFormatException e)
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{
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return def;
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}
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}
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private static void addArgAlias(String s)
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{
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if (s == null) return;
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DnsKeyAlgorithm algs = DnsKeyAlgorithm.getInstance();
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String[] v = s.split(":");
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if (v.length < 2) return;
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int alias = parseInt(v[0], -1);
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if (alias <= 0) return;
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int orig = parseInt(v[1], -1);
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if (orig <= 0) return;
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String mn = null;
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if (v.length > 2) mn = v[2];
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algs.addAlias(alias, mn, orig);
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}
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public static void execute(CLIState state) throws Exception
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{
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DnsKeyPair key = BINDKeyUtils.loadKey(state.keyname, null);
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DNSKEYRecord dnskey = key.getDNSKEYRecord();
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DnsKeyAlgorithm dnskeyalg = DnsKeyAlgorithm.getInstance();
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boolean isSEP = (dnskey.getFlags() & DNSKEYRecord.Flags.SEP_KEY) != 0;
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System.out.println("Name: " + dnskey.getName());
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System.out.println("SEP: " + isSEP);
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System.out.println("Algorithm: " + dnskeyalg.algToString(dnskey.getAlgorithm()));
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System.out.println("ID: " + dnskey.getFootprint());
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if (dnskeyalg.baseType(dnskey.getAlgorithm()) == dnskeyalg.RSA)
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{
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RSAPublicKey pub = (RSAPublicKey) key.getPublic();
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System.out.println("RSA Public Exponent: " + pub.getPublicExponent());
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System.out.println("RSA Modulus: " + pub.getModulus());
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}
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}
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public static void main(String[] args)
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{
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CLIState state = new CLIState();
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try
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{
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state.parseCommandLine(args);
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}
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catch (UnrecognizedOptionException e)
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{
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System.err.println("error: unknown option encountered: "
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+ e.getMessage());
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state.usage();
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}
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catch (AlreadySelectedException e)
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{
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System.err.println("error: mutually exclusive options have "
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+ "been selected:\n " + e.getMessage());
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state.usage();
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}
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catch (Exception e)
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{
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System.err.println("error: unknown command line parsing exception:");
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e.printStackTrace();
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state.usage();
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}
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try
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{
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execute(state);
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}
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catch (Exception e)
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{
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e.printStackTrace();
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}
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}
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}
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