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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/java/beans/decoder/ArrayHandler.java | |
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Diffstat (limited to 'libjava/classpath/gnu/java/beans/decoder/ArrayHandler.java')
-rw-r--r-- | libjava/classpath/gnu/java/beans/decoder/ArrayHandler.java | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/beans/decoder/ArrayHandler.java b/libjava/classpath/gnu/java/beans/decoder/ArrayHandler.java new file mode 100644 index 000000000..28930f519 --- /dev/null +++ b/libjava/classpath/gnu/java/beans/decoder/ArrayHandler.java @@ -0,0 +1,118 @@ +/* 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.")); + } +} |