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Diffstat (limited to 'gcc-4.4.3/libjava/classpath/gnu/java/beans/decoder/DummyHandler.java')
| -rw-r--r-- | gcc-4.4.3/libjava/classpath/gnu/java/beans/decoder/DummyHandler.java | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/gcc-4.4.3/libjava/classpath/gnu/java/beans/decoder/DummyHandler.java b/gcc-4.4.3/libjava/classpath/gnu/java/beans/decoder/DummyHandler.java new file mode 100644 index 000000000..880d76adc --- /dev/null +++ b/gcc-4.4.3/libjava/classpath/gnu/java/beans/decoder/DummyHandler.java @@ -0,0 +1,156 @@ +/* gnu.java.beans.decoder.DummyHandler + 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 org.xml.sax.Attributes; + +/** An ElementHandler implementation that is used as an artificial root + * element. This avoids having to check for a null element. + * + * @author Robert Schuster + */ +class DummyHandler implements ElementHandler +{ + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#start(org.xml.sax.Attributes, java.beans.ExceptionListener) + */ + public void start( + Attributes attributes, + ExceptionListener exceptionListener) + { + fail(); + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#end(java.beans.ExceptionListener) + */ + public void end(ExceptionListener exceptionListener) + { + fail(); + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#characters(char[], int, int) + */ + public void characters(char[] ch, int start, int length) + { + fail(); + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#isSubelementAllowed(java.lang.String) + */ + public boolean isSubelementAllowed(String subElementName) + { + return true; + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#instantiateClass(java.lang.String) + */ + public Class instantiateClass(String className) + throws ClassNotFoundException + { + fail(); + return null; + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#reportStatement(java.beans.ExceptionListener) + */ + public void notifyStatement(ExceptionListener exceptionListener) + { + // ignore + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#hasFailed() + */ + public boolean hasFailed() + { + return false; + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#getContext() + */ + public Context getContext() + { + return new DummyContext(); + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#contextFailed() + */ + public void notifyContextFailed() + { + fail(); + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#putObject(java.lang.String, java.lang.Object) + */ + public void putObject(String objectId, Object o) + { + fail(); + } + + /* (non-Javadoc) + * @see gnu.java.beans.decoder.ElementHandler#getObject(java.lang.String) + */ + public Object getObject(String objectId) + { + fail(); + return null; + } + + public ElementHandler getParent() + { + fail(); + return null; + } + + private void fail() + { + throw new InternalError("Invoking the DummyHandler is not expected" + + " - Please file a bug report at " + + " http://www.gnu.org/software/classpath/."); + } +} |