| /* gnu.java.beans.decoder.ArrayHandler |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.java.beans.decoder; |
| |
| import java.beans.ExceptionListener; |
| import java.util.HashMap; |
| |
| import org.xml.sax.Attributes; |
| |
| /** ArrayHandler processes the <array> tag. Depending on the existance of the 'length' attribute a Context for |
| * a fixed-size or growable array is created. |
| * |
| * @author Robert Schuster |
| */ |
| class ArrayHandler extends AbstractElementHandler |
| { |
| /** Contains a mapping between a textual description of a primitive type (like "byte") and |
| * its corresponding wrapper class. This allows it to easily construct Array objects for |
| * primitive data types. |
| */ |
| private static HashMap typeMap = new HashMap(); |
| |
| static |
| { |
| typeMap.put("byte", Byte.TYPE); |
| typeMap.put("short", Short.TYPE); |
| typeMap.put("int", Integer.TYPE); |
| typeMap.put("long", Long.TYPE); |
| |
| typeMap.put("float", Float.TYPE); |
| typeMap.put("double", Double.TYPE); |
| |
| typeMap.put("boolean", Boolean.TYPE); |
| |
| typeMap.put("char", Character.TYPE); |
| } |
| |
| /** |
| * @param PersistenceParser |
| */ |
| ArrayHandler(ElementHandler parent) |
| { |
| super(parent, true); |
| } |
| |
| protected Context startElement(Attributes attributes, ExceptionListener exceptionListener) |
| throws AssemblyException, AssemblyException |
| { |
| String id = attributes.getValue("id"); |
| String className = attributes.getValue("class"); |
| |
| if (className != null) |
| { |
| try |
| { |
| Class klass; |
| |
| if (typeMap.containsKey(className)) |
| klass = (Class) typeMap.get(className); |
| else |
| klass = instantiateClass(className); |
| |
| String length = attributes.getValue("length"); |
| if (length != null) |
| // creates Array with predefined length |
| return new ArrayContext(id, klass, Integer.parseInt(length)); |
| else |
| // creates Array without length restriction |
| return new GrowableArrayContext(id, klass); |
| } |
| catch (ClassNotFoundException cnfe) |
| { |
| throw new AssemblyException(cnfe); |
| } |
| catch (NumberFormatException nfe) |
| { |
| throw new AssemblyException(nfe); |
| } |
| } |
| |
| throw new AssemblyException(new IllegalArgumentException("Missing 'class' attribute in <array> tag.")); |
| } |
| } |