property.java

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        char[] char_array = name.toCharArray();
        int    limit      = Math.min(char_array.length, _max_name_length);

        _name = new String(char_array, 0, limit);
        short offset = 0;
        int   j      = 0;

        for (; j < limit; j++)
        {
            new ShortField(offset, ( short ) char_array[ j ], _raw_data);
            offset += LittleEndianConsts.SHORT_SIZE;
        }
        for (; j < _max_name_length + 1; j++)
        {
            new ShortField(offset, ( short ) 0, _raw_data);
            offset += LittleEndianConsts.SHORT_SIZE;
        }

        // double the count, and include the null at the end
        _name_size
            .set(( short ) ((limit + 1)
                            * LittleEndianConsts.SHORT_SIZE), _raw_data);
    }

    /**
     * Sets the storage class ID for this property stream. This is the Class ID
     *   of the COM object which can read and write this property stream
     * @param clsidStorage Storage Class ID
     */
    public void setStorageClsid( ClassID clsidStorage)
    {
        _storage_clsid = clsidStorage;
        if( clsidStorage == null) {
            Arrays.fill( _raw_data, _storage_clsid_offset, _storage_clsid_offset + ClassID.LENGTH, (byte) 0);
        } else {
            clsidStorage.write( _raw_data, _storage_clsid_offset);
        }
    }
    /**
     * Set the property type. Makes no attempt to validate the value.
     *
     * @param propertyType the property type (root, file, directory)
     */

    protected void setPropertyType(final byte propertyType)
    {
        _property_type.set(propertyType, _raw_data);
    }

    /**
     * Set the node color.
     *
     * @param nodeColor the node color (red or black)
     */

    protected void setNodeColor(final byte nodeColor)
    {
        _node_color.set(nodeColor, _raw_data);
    }

    /**
     * Set the child property.
     *
     * @param child the child property's index in the Property Table
     */

    protected void setChildProperty(final int child)
    {
        _child_property.set(child, _raw_data);
    }

    /**
     * Get the child property (its index in the Property Table)
     *
     * @return child property index
     */

    protected int getChildIndex()
    {
        return _child_property.get();
    }

    /**
     * Set the size of the document associated with this Property
     *
     * @param size the size of the document, in bytes
     */

    protected void setSize(final int size)
    {
        _size.set(size, _raw_data);
    }

    /**
     * Set the index for this Property
     *
     * @param index this Property's index within its containing
     *              Property Table
     */

    protected void setIndex(final int index)
    {
        _index = index;
    }

    /**
     * get the index for this Property
     *
     * @return the index of this Property within its Property Table
     */

    protected int getIndex()
    {
        return _index;
    }

    /**
     * Perform whatever activities need to be performed prior to
     * writing
     */

    abstract protected void preWrite();

    /**
     * get the next sibling
     *
     * @return index of next sibling
     */

    int getNextChildIndex()
    {
        return _next_property.get();
    }

    /**
     * get the previous sibling
     *
     * @return index of previous sibling
     */

    int getPreviousChildIndex()
    {
        return _previous_property.get();
    }

    /**
     * determine whether the specified index is valid
     *
     * @param index value to be checked
     *
     * @return true if the index is valid
     */

    static boolean isValidIndex(int index)
    {
        return index != _NO_INDEX;
    }

    /* ********** START implementation of Child ********** */

    /**
     * Get the next Child, if any
     *
     * @return the next Child; may return null
     */

    public Child getNextChild()
    {
        return _next_child;
    }

    /**
     * Get the previous Child, if any
     *
     * @return the previous Child; may return null
     */

    public Child getPreviousChild()
    {
        return _previous_child;
    }

    /**
     * Set the next Child
     *
     * @param child the new 'next' child; may be null, which has the
     *              effect of saying there is no 'next' child
     */

    public void setNextChild(final Child child)
    {
        _next_child = child;
        _next_property.set((child == null) ? _NO_INDEX
                                           : (( Property ) child)
                                               .getIndex(), _raw_data);
    }

    /**
     * Set the previous Child
     *
     * @param child the new 'previous' child; may be null, which has
     *              the effect of saying there is no 'previous' child
     */

    public void setPreviousChild(final Child child)
    {
        _previous_child = child;
        _previous_property.set((child == null) ? _NO_INDEX
                                               : (( Property ) child)
                                                   .getIndex(), _raw_data);
    }

    /* **********  END  implementation of Child ********** */
    /* ********** START begin implementation of POIFSViewable ********** */

    /**
     * Get an array of objects, some of which may implement
     * POIFSViewable
     *
     * @return an array of Object; may not be null, but may be empty
     */

    public Object [] getViewableArray()
    {
        Object[] results = new Object[ 5 ];

        results[ 0 ] = "Name          = \"" + getName() + "\"";
        results[ 1 ] = "Property Type = " + _property_type.get();
        results[ 2 ] = "Node Color    = " + _node_color.get();
        long time = _days_1.get();

        time         <<= 32;
        time         += (( long ) _seconds_1.get()) & 0x0000FFFFL;
        results[ 3 ] = "Time 1        = " + time;
        time         = _days_2.get();
        time         <<= 32;
        time         += (( long ) _seconds_2.get()) & 0x0000FFFFL;
        results[ 4 ] = "Time 2        = " + time;
        return results;
    }

    /**
     * Get an Iterator of objects, some of which may implement
     * POIFSViewable
     *
     * @return an Iterator; may not be null, but may have an empty
     * back end store
     */

    public Iterator getViewableIterator()
    {
        return Collections.EMPTY_LIST.iterator();
    }

    /**
     * Give viewers a hint as to whether to call getViewableArray or
     * getViewableIterator
     *
     * @return true if a viewer should call getViewableArray, false if
     *         a viewer should call getViewableIterator
     */

    public boolean preferArray()
    {
        return true;
    }

    /**
     * Provides a short description of the object, to be used when a
     * POIFSViewable object has not provided its contents.
     *
     * @return short description
     */

    public String getShortDescription()
    {
        StringBuffer buffer = new StringBuffer();

        buffer.append("Property: \"").append(getName()).append("\"");
        return buffer.toString();
    }

    /* **********  END  begin implementation of POIFSViewable ********** */
}   // end public abstract class Property