com.sun.enterprise.admin.cli.CLIUtil Maven / Gradle / Ivy
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package com.sun.enterprise.admin.cli;
import java.io.*;
import java.util.*;
import java.text.*;
import org.jvnet.hk2.component.*;
import org.glassfish.api.admin.*;
import com.sun.enterprise.admin.cli.remote.RemoteCommand;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;
/**
* CLI Utility class
*/
public class CLIUtil {
private static final int MAX_COMMANDS_TO_DISPLAY = 75;
private static final LocalStringsImpl strings =
new LocalStringsImpl(CLIUtil.class);
/**
* Read passwords from the password file and save them in a java.util.Map.
* @param passwordFileName password file name
* @param withPrefix decides whether prefix should be taken into account
* @return Map of the password name and value
*/
public static Map readPasswordFileOptions(
final String passwordFileName, boolean withPrefix)
throws CommandException {
File file = new File(passwordFileName);
Map passwordOptions = new HashMap();
InputStream is = null;
try {
is = new BufferedInputStream(new FileInputStream(file));
final Properties prop = new Properties();
prop.load(is);
for (Object key : prop.keySet()) {
final String entry = (String)key;
if (entry.startsWith(Environment.AS_ADMIN_ENV_PREFIX)) {
final String optionName = withPrefix ? entry :
entry.substring(Environment.AS_ADMIN_ENV_PREFIX.length()).
toLowerCase(Locale.ENGLISH);
final String optionValue = prop.getProperty(entry);
passwordOptions.put(optionName, optionValue);
}
}
} catch (final Exception e) {
throw new CommandException(e);
} finally {
try {
if (is != null)
is.close();
} catch (final Exception ignore) { }
}
return passwordOptions;
}
/**
* Display the commands from the list that are the closest match
* to the specified command.
*/
public static void displayClosestMatch(final String commandName,
final String[] commands, final String msg)
throws InvalidCommandException {
try {
// remove leading "*" and ending "*" chars
int beginIndex = 0;
int endIndex = commandName.length();
if (commandName.startsWith("*"))
beginIndex = 1;
if (commandName.endsWith("*"))
endIndex = commandName.length() - 1;
final String trimmedCommandName =
commandName.substring(beginIndex, endIndex);
// sort commands in alphabetical order
Arrays.sort(commands);
// add all matches to the search String since we want
// to search all the commands that match the string
final String[] matchedCommands =
getMatchedCommands(trimmedCommandName, commands);
//".*"+trimmedCommandName+".*", commands);
// don't want to display more than 50 commands
if (matchedCommands.length > 0 &&
matchedCommands.length < MAX_COMMANDS_TO_DISPLAY) {
System.out.println(msg != null ? msg :
strings.get("ClosestMatchedCommands"));
for (String eachCommand : matchedCommands)
System.out.println(" " + eachCommand);
} else {
// find the closest distance
final String nearestString = StringEditDistance.findNearest(
commandName, commands);
// don't display the string if the edit distance is too large
if (StringEditDistance.editDistance(
commandName, nearestString) < 5) {
System.out.println(msg != null? msg :
strings.get("ClosestMatchedCommands"));
System.out.println(" " + nearestString);
} else
throw new InvalidCommandException(commandName);
}
} catch (Exception e) {
throw new InvalidCommandException(commandName);
}
}
/**
* Return all the commands that include pattern (just a literal
* string, not really a pattern) as a substring.
*/
private static String[] getMatchedCommands(final String pattern,
final String[] commands) {
List matchedCommands = new ArrayList();
for (int i = 0; i < commands.length; i++) {
if (commands[i].indexOf(pattern) >= 0)
matchedCommands.add(commands[i]);
}
return matchedCommands.toArray(new String[matchedCommands.size()]);
}
/**
* Return all commands, local and remote.
*
* @return the commands as a String array, sorted
*/
public static String[] getAllCommands(Habitat habitat, ProgramOptions po,
Environment env) {
try {
String[] remoteCommands = getRemoteCommands(habitat, po, env);
String[] localCommands = getLocalCommands(habitat);
String[] allCommands =
new String[localCommands.length + remoteCommands.length];
System.arraycopy(localCommands, 0,
allCommands, 0, localCommands.length);
System.arraycopy(remoteCommands, 0,
allCommands, localCommands.length, remoteCommands.length);
Arrays.sort(allCommands);
return allCommands;
} catch (CommandValidationException cve) {
return null;
} catch (CommandException ce) {
return null;
}
}
/**
* Get all the known local commands.
*
* @return the commands as a String array, sorted
*/
public static String[] getLocalCommands(Habitat habitat) {
List names = new ArrayList();
String cname = CLICommand.class.getName();
for (Inhabitant command : habitat.getInhabitantsByContract(cname)) {
for (String name : Inhabitants.getNamesFor(command, cname))
names.add(name);
}
String[] localCommands = names.toArray(new String[names.size()]);
Arrays.sort(localCommands);
return localCommands;
}
/**
* Get the list of commands from the remote server.
*
* @return the commands as a String array, sorted
*/
public static String[] getRemoteCommands(Habitat habitat,
ProgramOptions po, Environment env)
throws CommandException, CommandValidationException {
/*
* In order to eliminate all local command names from the list
* of remote commands, we collect the local command names into
* a HashSet that we check later when collecting remote command
* names.
*/
Set localnames = new HashSet();
String cname = CLICommand.class.getName();
for (Inhabitant command : habitat.getInhabitantsByContract(cname)) {
for (String name : Inhabitants.getNamesFor(command, cname))
localnames.add(name);
}
/*
* Now get the list of remote commands.
*/
RemoteCommand cmd =
new RemoteCommand("list-commands", po, env);
String cmds = cmd.executeAndReturnOutput("list-commands");
List rcmds = new ArrayList();
BufferedReader r = new BufferedReader(new StringReader(cmds));
String line;
/*
* The output of the remote list-commands command is a bunch of
* lines of the form:
* Command : cmd-name
* We extract the command name from each such line.
* XXX - depending on this output format is gross;
* should be able to send --terse to remote command
* to cause it to produce exactly the output we want.
*/
try {
while ((line = r.readLine()) != null) {
if (line.startsWith("Command")) {
int i = line.indexOf(':');
if (i < 0)
continue;
String s = line.substring(i + 1).trim();
// add it if it's not a local command
if (!localnames.contains(s))
rcmds.add(s);
}
}
} catch (IOException ioex) {
// ignore it, will never happen
}
Collections.sort(rcmds);
String[] remoteCommands = rcmds.toArray(new String[rcmds.size()]);
Arrays.sort(remoteCommands);
return remoteCommands;
}
/**
* Log the command, for debugging.
*/
public static void writeCommandToDebugLog(String[] args, int exit) {
File log = getDebugLogfile();
if (log == null)
return;
BufferedWriter out = null;
try {
out = new BufferedWriter(new FileWriter(log, true));
DateFormat dateFormat = new SimpleDateFormat("MM/dd/yyyy HH:mm:ss");
Date date = new Date();
out.write(dateFormat.format(date));
out.write(" EXIT: " + exit);
out.write(" asadmin ");
if (args != null) {
for (int i = 0; args != null && i < args.length; ++i) {
out.write(args[i] + " ");
}
}
} catch (IOException e) {
// It is just a debug file.
} finally {
if (out != null) {
try {
out.write("\n");
out.close();
} catch (Exception e) {
// ignore
}
}
}
}
private static File getDebugLogfile() {
// System Prop trumps environmental variable
String fname =
System.getProperty(CLIConstants.CLI_RECORD_ALL_COMMANDS_PROP);
if (fname == null)
fname = System.getenv(CLIConstants.CLI_RECORD_ALL_COMMANDS_PROP);
if (fname == null)
return null;
File f = new File(fname);
if (!f.exists()) {
try {
f.createNewFile();
} catch (IOException e) { /* ignore */ }
}
if (f.isFile() && f.canWrite())
return f;
else
return null;
}
}
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