RespawnInfo.java

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package com.sun.enterprise.admin.launcher;

import java.util.*;

/**
 *
 * @author bnevins
 */
class RespawnInfo {
    RespawnInfo(String cn, String cp, String[] a) {
        classname = cn;
        classpath = cp;

        if(a == null)
            a = new String[0];

        args = a;
    }

    void put(Map<String, String> map) throws GFLauncherException {
        validate();
        map.put(PREFIX + "classname", classname);
        map.put(PREFIX + "classpath", classpath);
        putArgs(map);
    }

    private void validate() throws GFLauncherException {
        if(!ok(classname))
            throw new GFLauncherException("respawninfo.empty", "classname");
        if(!ok(classpath))
            throw new GFLauncherException("respawninfo.empty", "classpath");
        // args are idiot-proof
    }

    private void putArgs(Map<String, String> map) throws GFLauncherException {
        int numArgs = args.length;
        StringBuilder argLine = new StringBuilder();

        for(int i = 0; i < numArgs; i++) {
            String arg = args[i];

            if(i != 0)
                argLine.append(SEPARATOR);

            if(arg.indexOf(SEPARATOR) >= 0) {
                // this should not happen.  Only the ultra-paranoid programmer would
                // bother checking for it.  I guess that's me!
                throw new GFLauncherException("respawninfo.illegalToken", arg, SEPARATOR);
            }
            argLine.append(args[i]);
        }

        map.put(PREFIX + "args", argLine.toString());
    }
    
    private boolean ok(String s) {
        return s != null && s.length() > 0;
    }

    private String      classname;
    private String      classpath;
    private String[]    args;

    private static final String PREFIX = "-asadmin-";
    private static final String SEPARATOR = ",,,";
}