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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.log4j.chainsaw.xstream;
18  
19  import com.thoughtworks.xstream.converters.Converter;
20  import com.thoughtworks.xstream.converters.MarshallingContext;
21  import com.thoughtworks.xstream.converters.UnmarshallingContext;
22  import com.thoughtworks.xstream.io.HierarchicalStreamReader;
23  import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
24  
25  import javax.swing.table.TableColumn;
26  
27  /**
28   * XStream Converter implementation that deals with TableColumns settings
29   *
30   * @author psmith
31   * @see Converter
32   * @see "XStream"
33   * @see TableColumn
34   */
35  public class TableColumnConverter implements Converter {
36  
37      public boolean canConvert(Class type) {
38          return TableColumn.class.equals(type);
39      }
40  
41      public void marshal(Object source, HierarchicalStreamWriter writer,
42                          MarshallingContext context) {
43          TableColumn column = (TableColumn) source;
44          writer.addAttribute("width", column.getWidth() + "");
45          writer.addAttribute("modelIndex", column.getModelIndex() + "");
46          writer.addAttribute("headerValue", column.getHeaderValue().toString());
47      }
48  
49      public Object unmarshal(HierarchicalStreamReader reader,
50                              UnmarshallingContext context) {
51          TableColumn column = new TableColumn();
52          column.setWidth(Integer.parseInt(reader.getAttribute("width")));
53          column.setPreferredWidth(column.getWidth());
54          column.setModelIndex(Integer
55              .parseInt(reader.getAttribute("modelIndex")));
56          column.setHeaderValue(reader.getAttribute("headerValue"));
57          return column;
58      }
59  
60  }