super.put(key, strValue);    }    /**     * <p>     * Adds the given <code>Serializable</code> object value to the <code>JobDataMap</code>.     * </p>     */    public Object put(Object key, Object value) {        if (!(key instanceof String))                throw new IllegalArgumentException(                        "Keys in map must be Strings.");        return super.put(key, value);    }    /**     * <p>     * Retrieve the identified <code>int</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not an Integer.     */    public int getInt(String key) {        Object obj = get(key);        try {            return ((Integer) obj).intValue();        } catch (Exception e) {            throw new ClassCastException("Identified object is not an Integer.");        }    }    /**     * <p>     * Retrieve the identified <code>long</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a Long.     */    public long getLong(String key) {        Object obj = get(key);        try {            return ((Long) obj).longValue();        } catch (Exception e) {            throw new ClassCastException("Identified object is not a Long.");        }    }    /**     * <p>     * Retrieve the identified <code>float</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a Float.     */    public float getFloat(String key) {        Object obj = get(key);        try {            return ((Float) obj).floatValue();        } catch (Exception e) {            throw new ClassCastException("Identified object is not a Float.");        }    }    /**     * <p>     * Retrieve the identified <code>double</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a Double.     */    public double getDouble(String key) {        Object obj = get(key);        try {            return ((Double) obj).doubleValue();        } catch (Exception e) {            throw new ClassCastException("Identified object is not a Double.");        }    }    /**     * <p>     * Retrieve the identified <code>boolean</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a Boolean.     */    public boolean getBoolean(String key) {        Object obj = get(key);        try {            return ((Boolean) obj).booleanValue();        } catch (Exception e) {            throw new ClassCastException("Identified object is not a Boolean.");        }    }    /**     * <p>     * Retrieve the identified <code>char</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a Character.     */    public char getChar(String key) {        Object obj = get(key);        try {            return ((Character) obj).charValue();        } catch (Exception e) {            throw new ClassCastException(                    "Identified object is not a Character.");        }    }    /**     * <p>     * Retrieve the identified <code>String</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public String getString(String key) {        Object obj = get(key);        try {            return (String) obj;        } catch (Exception e) {            throw new ClassCastException("Identified object is not a String.");        }    }    /**     * <p>     * Retrieve the identified <code>int</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public int getIntFromString(String key) {        Object obj = get(key);        return new Integer((String) obj).intValue();    }    /**     * <p>     * Retrieve the identified <code>int</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String or Integeger.     */    public long getIntValue(String key) {        Object obj = get(key);        if(obj instanceof String)            return getIntFromString(key);        else            return getInt(key);    }        /**     * <p>     * Retrieve the identified <code>int</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public Integer getIntegerFromString(String key) {        Object obj = get(key);        return new Integer((String) obj);    }    /**     * <p>     * Retrieve the identified <code>boolean</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public boolean getBooleanValueFromString(String key) {        Object obj = get(key);        return new Boolean((String) obj).booleanValue();    }    /**     * <p>     * Retrieve the identified <code>boolean</code> value from the      * <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String or Boolean.     */    public boolean getBooleanValue(String key) {        Object obj = get(key);        if(obj instanceof String)            return getBooleanValueFromString(key);        else            return getBoolean(key);    }    /**     * <p>     * Retrieve the identified <code>Boolean</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public Boolean getBooleanFromString(String key) {        Object obj = get(key);        return new Boolean((String) obj);    }    /**     * <p>     * Retrieve the identified <code>char</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public char getCharFromString(String key) {        Object obj = get(key);        return ((String) obj).charAt(0);    }    /**     * <p>     * Retrieve the identified <code>Character</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public Character getCharacterFromString(String key) {        Object obj = get(key);        return new Character(((String) obj).charAt(0));    }    /**     * <p>     * Retrieve the identified <code>double</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public double getDoubleValueFromString(String key) {        Object obj = get(key);        return new Double((String) obj).doubleValue();    }    /**     * <p>     * Retrieve the identified <code>double</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String or Double.     */    public double getDoubleValue(String key) {        Object obj = get(key);        if(obj instanceof String)            return getDoubleValueFromString(key);        else            return getDouble(key);    }    /**     * <p>     * Retrieve the identified <code>Double</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public Double getDoubleFromString(String key) {        Object obj = get(key);        return new Double((String) obj);    }    /**     * <p>     * Retrieve the identified <code>float</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public float getFloatValueFromString(String key) {        Object obj = get(key);        return new Float((String) obj).floatValue();    }    /**     * <p>     * Retrieve the identified <code>float</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String or Float.     */    public float getFloatValue(String key) {        Object obj = get(key);        if(obj instanceof String)            return getFloatValueFromString(key);        else            return getFloat(key);    }        /**     * <p>     * Retrieve the identified <code>Float</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public Float getFloatFromString(String key) {        Object obj = get(key);        return new Float((String) obj);    }    /**     * <p>     * Retrieve the identified <code>long</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public long getLongValueFromString(String key) {        Object obj = get(key);        return new Long((String) obj).longValue();    }    /**     * <p>     * Retrieve the identified <code>long</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String or Long.     */    public long getLongValue(String key) {        Object obj = get(key);        if(obj instanceof String)            return getLongValueFromString(key);        else            return getLong(key);    }        /**     * <p>     * Retrieve the identified <code>Long</code> value from the <code>JobDataMap</code>.     * </p>     *      * @throws ClassCastException     *           if the identified object is not a String.     */    public Long getLongFromString(String key) {        Object obj = get(key);        return new Long((String) obj);    }    public String[] getKeys() {        return (String[]) keySet().toArray(new String[size()]);    }}