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