diff options
Diffstat (limited to 'libjava/gnu/java/beans/decoder/PropertyContext.java')
-rw-r--r-- | libjava/gnu/java/beans/decoder/PropertyContext.java | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/libjava/gnu/java/beans/decoder/PropertyContext.java b/libjava/gnu/java/beans/decoder/PropertyContext.java deleted file mode 100644 index 838ef814b01..00000000000 --- a/libjava/gnu/java/beans/decoder/PropertyContext.java +++ /dev/null @@ -1,137 +0,0 @@ -/* gnu.java.beans.decoder.PropertyContext - 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.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; - -/** PropertyContext is a Context implementation that is very similar to MethodContext - * and IndexContext. The sole purpose of PropertyContext to find out whether it should - * 'set' or 'get' a certain property. This decision is made using the number of - * arguments. - * <p>When the method call has to be made and there is no argument we 'get' the property. - * With one argument it is 'set'.</p> - * - * @author Robert Schuster - */ -class PropertyContext extends AbstractObjectContext -{ - private Object argument; - private String propertyName; - private String prefix = "get"; - private boolean methodCalled; - - PropertyContext(String id, String newPropertyName) - { - setId(id); - propertyName = newPropertyName; - } - - /* (non-Javadoc) - * @see gnu.java.beans.decoder.Context#addObject(java.lang.Object) - */ - public void addParameterObject(Object o) throws AssemblyException - { - if (methodCalled) - throw new AssemblyException(new IllegalArgumentException("Cannot add parameter object when method was already called.")); - - if (argument != null) - throw new AssemblyException(new IllegalArgumentException("Property attribut allows zero or one argument only.")); - - argument = o; - setStatement(true); - prefix = "set"; - } - - /* (non-Javadoc) - * @see gnu.java.beans.decoder.Context#endContext(gnu.java.beans.decoder.Context) - */ - public void notifyStatement(Context outerContext) throws AssemblyException - { - if (methodCalled) - return; - methodCalled = true; - - Object outerObject = outerContext.getResult(); - - if (outerObject == null) - throw new AssemblyException(new NullPointerException("No object to access property " - + propertyName)); - - - // converts property name into a method name - String methodName = prefix + propertyName.substring(0, 1).toUpperCase() - + propertyName.substring(1); - - // prepares the argument - Object[] args = (argument != null) ? new Object[] { argument } : null; - - try - { - Method method = MethodFinder.getMethod(outerObject.getClass(), - methodName, args); - - // stores the result whether it is available or not - setObject(method.invoke(outerObject, args)); - } - catch (NoSuchMethodException nsme) - { - throw new AssemblyException(nsme); - } - catch (InvocationTargetException ite) - { - throw new AssemblyException(ite.getCause()); - } - catch (IllegalAccessException iae) - { - throw new AssemblyException(iae); - } - } - - public Object endContext(Context outerContext) throws AssemblyException - { - notifyStatement(outerContext); - - return getResult(); - } - - public boolean subContextFailed() - { - return ! methodCalled; - } -} |