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+/* 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."));
+ }
+}