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package com.sun.enterprise.admin.cli.embeddable;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.logging.Logger;
import javax.inject.Inject;
import org.glassfish.api.ActionReport;
import org.glassfish.api.admin.CommandException;
import org.glassfish.api.admin.CommandModel;
import org.glassfish.api.admin.CommandRunner;
import org.glassfish.api.admin.ParameterMap;
import org.glassfish.embeddable.CommandResult;
import org.glassfish.hk2.api.PerLookup;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.ContractsProvided;
import org.jvnet.hk2.annotations.Service;
import com.sun.enterprise.admin.cli.CLIUtil;
import com.sun.enterprise.admin.cli.Parser;
import com.sun.enterprise.admin.cli.ProgramOptions;
import org.glassfish.internal.api.EmbeddedSystemAdministrator;
/**
* @author bhavanishankar@dev.java.net
* @author sanjeeb.sahoo@sun.com
*/
@Service()
@PerLookup // this is a PerLookup service
@ContractsProvided({org.glassfish.embeddable.CommandRunner.class, CommandExecutorImpl.class})
// bcos CommandRunner interface can't depend on HK2, we need ContractProvided here.
public class CommandExecutorImpl implements org.glassfish.embeddable.CommandRunner {
@Inject
CommandRunner commandRunner;
@Inject
ServiceLocator habitat;
@Inject
private EmbeddedSystemAdministrator embeddedSystemAdministrator;
private boolean terse;
private Logger logger = Logger.getAnonymousLogger();
public CommandResult run(String command, String... args){
try {
ActionReport actionReport = executeCommand(command, args);
return convert(actionReport);
} catch (Exception e) {
return convert(e);
}
}
ParameterMap getParameters(String command, String[] args) throws CommandException {
CommandModel commandModel = commandRunner.getModel(command, logger);
if (commandModel == null) {
throw new CommandException("Command lookup failed for command " + command);
}
// Filter out the global options.
// We are interested only in --passwordfile option. No other options are relevant when GlassFish is running in embedded mode.
Parser parser = new Parser(args, 0, ProgramOptions.getValidOptions(), true);
ParameterMap globalOptions = parser.getOptions();
List<String> operands = parser.getOperands();
String argv[] = operands.toArray(new String[operands.size()]);
parser = new Parser(argv, 0, commandModel.getParameters(), false);
ParameterMap options = parser.getOptions();
operands = parser.getOperands();
options.set("DEFAULT", operands);
// if command has a "terse" option, set it in options
if (commandModel.getModelFor("terse") != null)
options.set("terse", Boolean.toString(terse));
// Read the passwords from the password file and set it in command options.
if (globalOptions.size() > 0) {
String pwfile = globalOptions.getOne(ProgramOptions.PASSWORDFILE);
if (pwfile != null && pwfile.length() > 0) {
Map<String, String> passwords = CLIUtil.readPasswordFileOptions(pwfile, true);
for (CommandModel.ParamModel opt : commandModel.getParameters()) {
if (opt.getParam().password()) {
String pwdname = opt.getName();
String pwd = passwords.get(pwdname);
if (pwd != null) {
options.set(pwdname, pwd);
}
}
}
}
}
return options;
}
public void setTerse(boolean terse) {
this.terse = terse;
}
/**
* Runs a command from somewhere OTHER THAN an already-running,
* previously-authorized command.
* <p>
* If a command is already running then it should have a valid Subject and
* that Subject must be used in running a nested command. This
* method uses the internal system admin identity to authorize the command to be run and
* this should never be done if a user has authenticated to the system
* and is running a separate, already-authorized command. This method
* is, therefore, used from some embedded functionality.
*
* @param command
* @param args
* @return
* @throws CommandException
*/
/* package */ ActionReport executeCommand(String command, String... args) throws CommandException {
ParameterMap commandParams = getParameters(command, args);
final ActionReport actionReport = createActionReport();
org.glassfish.api.admin.CommandRunner.CommandInvocation inv =
commandRunner.getCommandInvocation(command, actionReport, embeddedSystemAdministrator.getSubject());
inv.parameters(commandParams).execute();
return actionReport;
}
private CommandResult convert(final ActionReport actionReport) {
return new CommandResult(){
public ExitStatus getExitStatus() {
final ActionReport.ExitCode actionExitCode = actionReport.getActionExitCode();
switch (actionExitCode) {
case SUCCESS:
return ExitStatus.SUCCESS;
case WARNING:
return ExitStatus.WARNING;
case FAILURE:
return ExitStatus.FAILURE;
default:
throw new RuntimeException("Unknown exit code: " + actionExitCode);
}
}
public String getOutput() {
final ByteArrayOutputStream os = new ByteArrayOutputStream();
try {
actionReport.writeReport(os);
return os.toString();
} catch (IOException e) {
throw new RuntimeException(e);
} finally {
try {
os.close();
} catch (IOException e) {
// ignore
}
}
}
public Throwable getFailureCause() {
return actionReport.getFailureCause();
}
};
}
private CommandResult convert(final Exception e) {
return new CommandResult() {
public ExitStatus getExitStatus() {
return ExitStatus.FAILURE;
}
public String getOutput() {
return "Exception while executing command.";
}
public Throwable getFailureCause() {
return e;
}
};
}
ActionReport createActionReport() {
return habitat.getService(ActionReport.class, "plain");
}
CommandRunner getCommandRunner() {
return commandRunner;
}
}