DeleteDomainCommand.java

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package com.sun.enterprise.admin.servermgmt.cli;

import java.io.File;
import java.io.IOException;

import org.jvnet.hk2.annotations.*;
import org.jvnet.hk2.component.*;
import org.glassfish.api.Param;
import org.glassfish.api.admin.*;
import org.glassfish.hk2.api.PerLookup;

import com.sun.enterprise.admin.cli.*;
import com.sun.enterprise.admin.servermgmt.DomainConfig;
import com.sun.enterprise.admin.servermgmt.DomainsManager;
import com.sun.enterprise.admin.servermgmt.pe.PEDomainsManager;
import com.sun.enterprise.util.HostAndPort;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;

/**
 *  This is a local command that deletes a domain.
 */
@Service(name = "delete-domain")
@PerLookup
public final class DeleteDomainCommand extends LocalDomainCommand {

    @Param(name = "domain_name", primary = true)
    private String domainName0;

    private static final LocalStringsImpl strings =
            new LocalStringsImpl(DeleteDomainCommand.class);

    // this is single threaded code, deliberately avoiding volatile/atomic
    private HostAndPort adminAddress;


    /**
     */
    @Override
    protected void validate()
            throws CommandException, CommandValidationException  {
        setDomainName(domainName0);
        super.validate();
        adminAddress = super.getAdminAddress();
    }
 
    /**
     */
    @Override
    protected int executeCommand()
            throws CommandException, CommandValidationException {

        try {            
            DomainConfig domainConfig =
                new DomainConfig(getDomainName(), getDomainsDir().getPath());
            checkRunning();
            checkRename();
            DomainsManager manager = new PEDomainsManager();
            manager.deleteDomain(domainConfig);
            // By default, do as what v2 does -- don't delete the entry -
            // might need a revisit (Kedar: 09/16/2009)
            //deleteLoginInfo();
        } catch (Exception e) {
	    throw new CommandException(e.getLocalizedMessage());
        }

	logger.fine(strings.get("DomainDeleted", getDomainName()));
        return 0;
    }

    private void checkRunning() throws CommandException {
        programOpts.setInteractive(false);      // don't prompt for password
        if (isRunning(adminAddress.getHost(), adminAddress.getPort()) &&
                isThisDAS(getDomainRootDir())) {
            String msg = strings.get("domain.is.running", getDomainName(),
                                        getDomainRootDir());
            throw new IllegalStateException(msg);
        }
    }

    /**
     * Check that the domain directory can be renamed, to increase the likelyhood
     * that it can be deleted.
     */
    private void checkRename() throws CommandException {
        boolean ok = true;
        try {
            File root = getDomainsDir();
            File domdir = new File(root, getDomainName());
            File tmpdir = File.createTempFile("del-", "", root);

            ok = tmpdir.delete() && domdir.renameTo(tmpdir) &&
                    tmpdir.renameTo(domdir);
        } catch (IOException ioe) {
            ok = false;
        }
       if (!ok) {
           String msg = strings.get("domain.fileinuse", getDomainName(),
                   getDomainRootDir());
           throw new IllegalStateException(msg);
       }
    }

 }