diff options
| author | Michael Koch <mkoch@gcc.gnu.org> | 2005-02-19 18:47:29 +0000 |
|---|---|---|
| committer | Michael Koch <mkoch@gcc.gnu.org> | 2005-02-19 18:47:29 +0000 |
| commit | 6ca84a804a7378e79bbb1d5a6d646ead7e6cfa46 (patch) | |
| tree | 55ebacd491a20d362082021ef37660e30d015575 /libjava/gnu/java/beans/decoder/SimpleHandler.java | |
| parent | 2cdc207340d10fdbf643ae6b83cb289af1ba32d6 (diff) | |
[multiple changes]
2005-02-19 Michael Koch <konqueror@gmx.de>
* Makefile.am: Added new files in gnu/java/beans and
java/beans/XMLDecoder.java.
* Makefile.in: Regenerated.
2005-02-19 Robert Schuster <thebohemian@gmx.net>
* gnu/java/beans/decoder/GrowableArrayContext.java: Fixed
assignment behavior by using java.lang.reflect.Array.set()
directly.
2005-02-19 Dalibor Topic <robilad@kaffe.org>
* gnu/java/beans/EmptyBeanInfo.java,
gnu/java/beans/info/ComponentBeanInfo.java:
Removed unused files.
2005-02-19 Robert Schuster <thebohemian@gmx.net>
* gnu/java/beans/DummyAppletStub.java: Add dummy implementation
of AppletStub for java.beans.Beans.instantiate.
* gnu/java/beans/DummyAppletContext.java: Add dummy implementation
of AppletContext.
* java/beans/Beans: Added 1.4 functionality, fixed user documentation
to be conformant with Javadoc guidelines.
(instantiate): Added two more overloaded variants, reworked user
documentation, fixed exception behavior, fixed behavior when
deserializing null.
2005-02-19 Mark Wielaard <mark@klomp.org>
* gnu/java/beans/decoder/DummyHandler.java: Add return statements for
failing methods.
* gnu/java/beans/decoder/DummyContext.java: Likewise.
2005-02-19 Robert Schuster <theBohemian@gmx.net>
* gnu/java/beans/decoder/AbstractContext.java,
gnu/java/beans/decoder/AbstractCreatableContext.java,
gnu/java/beans/decoder/AbstractElementHandler.java,
gnu/java/beans/decoder/AbstractObjectContext.java,
gnu/java/beans/decoder/ArrayContext.java,
gnu/java/beans/decoder/ArrayHandler.java,
gnu/java/beans/decoder/AssemblyException.java,
gnu/java/beans/decoder/BooleanHandler.java,
gnu/java/beans/decoder/ByteHandler.java,
gnu/java/beans/decoder/CharHandler.java,
gnu/java/beans/decoder/ClassHandler.java,
gnu/java/beans/decoder/ConstructorContext.java,
gnu/java/beans/decoder/Context.java,
gnu/java/beans/decoder/DecoderContext.java,
gnu/java/beans/decoder/DefaultExceptionListener.java,
gnu/java/beans/decoder/DoubleHandler.java,
gnu/java/beans/decoder/DummyContext.java,
gnu/java/beans/decoder/DummyHandler.java,
gnu/java/beans/decoder/ElementHandler.java,
gnu/java/beans/decoder/FloatHandler.java,
gnu/java/beans/decoder/GrowableArrayContext.java,
gnu/java/beans/decoder/IndexContext.java,
gnu/java/beans/decoder/IntHandler.java,
gnu/java/beans/decoder/JavaHandler.java,
gnu/java/beans/decoder/LongHandler.java,
gnu/java/beans/decoder/MethodContext.java,
gnu/java/beans/decoder/MethodFinder.java,
gnu/java/beans/decoder/NullHandler.java,
gnu/java/beans/decoder/ObjectContext.java,
gnu/java/beans/decoder/ObjectHandler.java,
gnu/java/beans/decoder/PersistenceParser.java,
gnu/java/beans/decoder/PropertyContext.java,
gnu/java/beans/decoder/ShortHandler.java,
gnu/java/beans/decoder/SimpleHandler.java,
gnu/java/beans/decoder/StaticMethodContext.java,
gnu/java/beans/decoder/StringHandler.java,
gnu/java/beans/decoder/VoidHandler.java: New class
implementing java.beans.XMLDecoder decoding functionality.
* java/beans/XMLDecoder.java: New class.
From-SVN: r95287
Diffstat (limited to 'libjava/gnu/java/beans/decoder/SimpleHandler.java')
| -rw-r--r-- | libjava/gnu/java/beans/decoder/SimpleHandler.java | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/libjava/gnu/java/beans/decoder/SimpleHandler.java b/libjava/gnu/java/beans/decoder/SimpleHandler.java new file mode 100644 index 00000000000..14b5b9a3514 --- /dev/null +++ b/libjava/gnu/java/beans/decoder/SimpleHandler.java @@ -0,0 +1,111 @@ +/* gnu.java.beans.decoder.SimpleHandler + 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., 59 Temple Place, Suite 330, Boston, MA +02111-1307 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 org.xml.sax.Attributes; + +/** XML element handler that is specialized on tags that contains a simple string in their + * body which has to be parsed in a specific way. + * <p>All of these tags have in common that they do not accept attributes. A warning is + * send to the parser's ExceptionListener when one or more attributes exist.</p> + * + * @author Robert Schuster + */ +abstract class SimpleHandler extends AbstractElementHandler +{ + private ObjectContext context; + + /** + * @param PersistenceParser + */ + SimpleHandler(ElementHandler parent) + { + super(parent, false); + + // SimpleHandler do not accept any subelements + } + + protected final Context startElement(Attributes attributes, ExceptionListener exceptionListener) + throws AssemblyException + { + + // note: simple elements should not have any attributes. We inform + // the user of this syntactical but uncritical problem by sending + // an IllegalArgumentException for each unneccessary attribute + int size = attributes.getLength(); + for (int i = 0; i < size; i++) { + String attributeName = attributes.getQName(i); + Exception e = + new IllegalArgumentException( + "Unneccessary attribute '" + + attributeName + + "' discarded."); + exceptionListener.exceptionThrown(e); + } + + return context = new ObjectContext(); + } + + public void endElement(String characters) + throws AssemblyException, AssemblyException + { + // reports the number when the character data can be parsed + try + { + context.setObject(parse(characters)); + } + catch (NumberFormatException nfe) + { + throw new AssemblyException(nfe); + } + } + + /** Returns an object that is created from the given characters. If the string is + * converted into a number a NumberFormatException is cathed and reported + * appropriately. + * + * @param characters A string of characters that has to be processed in some way. + * @return An Object instance generated from the given data. + * @throws AssemblerException When the string was invalid. + * @throws NumberFormatException When the string could not be parsed into a number. + */ + protected abstract Object parse(String characters) + throws AssemblyException, NumberFormatException; +} |
