| /* |
| * Copyright 1999-2004 The Apache Software Foundation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cocoon.components.elementprocessor.impl.poi.hssf.elements; |
| |
| import org.apache.cocoon.components.elementprocessor.types.Attribute; |
| import org.apache.cocoon.components.elementprocessor.ElementProcessor; |
| |
| import org.apache.cocoon.components.elementprocessor.types.NumericConverter; |
| import org.apache.cocoon.components.elementprocessor.types.NumericResult; |
| import org.apache.cocoon.components.elementprocessor.types.Validator; |
| |
| import org.apache.poi.hssf.util.HSSFColor; |
| import org.apache.poi.hssf.usermodel.HSSFCellStyle; |
| |
| import java.io.IOException; |
| import java.util.Hashtable; |
| |
| /** |
| * No-op implementation of ElementProcessor to handle the "Top" tag |
| * |
| * This element has two attributes and no content. |
| * |
| * This element is not used in HSSFSerializer 1.0 |
| * |
| * @author Marc Johnson (marc_johnson27591@hotmail.com) |
| * @author Andrew C. Oliver (acoliver2@users.sourceforge.net) |
| * @version CVS $Id: EPTop.java,v 1.6 2004/03/05 13:02:04 bdelacretaz Exp $ |
| */ |
| public class EPTop extends BaseElementProcessor { |
| private NumericResult _style; |
| private ColorCode _color; |
| private boolean _color_fetched; |
| private static final String _style_attribute = "Style"; |
| private static final String _color_attribute = "Color"; |
| private static final Validator _style_validator = new Validator() { |
| public IOException validate(final Number number) { |
| return BorderStyle.isValid(number.intValue()) ? null |
| : new IOException("\"" + number + "\" is not a legal value"); |
| } |
| }; |
| |
| /** |
| * constructor |
| */ |
| public EPTop() { |
| super(null); |
| _style = null; |
| _color = null; |
| _color_fetched = false; |
| } |
| |
| /** |
| * Override of Initialize() implementation |
| * @param attributes the array of Attribute instances; may be empty, will |
| * never be null |
| * @param parent the parent ElementProcessor; may be null |
| * @exception IOException if anything is wrong |
| */ |
| public void initialize(final Attribute[] attributes, |
| final ElementProcessor parent) throws IOException { |
| super.initialize(attributes, parent); |
| EPStyle pstyle = (EPStyle)getAncestor(EPStyle.class); |
| if (pstyle != null && pstyle.isValid()) { |
| Hashtable colorhash = pstyle.getColorHash(); |
| HSSFColor color = null; |
| |
| HSSFCellStyle style = pstyle.getStyle(); //oops |
| // a |
| // little |
| // confusing |
| //below is the style attribute |
| //this is an HSSFCellStyle |
| //associated with EPStyle |
| style.setBorderTop((short)getStyle()); |
| |
| ColorCode colorCode = getColor(); |
| if (colorCode != null) { |
| color = (HSSFColor)colorhash.get(colorCode.toString()); |
| } |
| if (color == null) |
| color = new HSSFColor.BLACK(); |
| |
| style.setTopBorderColor(color.getIndex()); |
| } |
| |
| } |
| |
| /** |
| * @return style as an int from BorderStyle |
| * @exception IOException |
| */ |
| public int getStyle() throws IOException { |
| if (_style == null) { |
| _style = NumericConverter.extractInteger( |
| getValue(_style_attribute), _style_validator); |
| } |
| return _style.intValue(); |
| } |
| |
| /** |
| * @return color (may be null) |
| * @exception IOException |
| */ |
| public ColorCode getColor() throws IOException { |
| if (!_color_fetched) { |
| String colorString = getValue(_color_attribute); |
| |
| if (colorString != null) { |
| _color = new ColorCode(colorString); |
| } |
| _color_fetched = true; |
| } |
| return _color; |
| } |
| } // end public class EPTop |