From 4a592151bddbc021c8ff6c03ceb9a64963f383ae Mon Sep 17 00:00:00 2001 From: mkoch Date: Sat, 19 Feb 2005 18:47:29 +0000 Subject: 2005-02-19 Michael Koch * Makefile.am: Added new files in gnu/java/beans and java/beans/XMLDecoder.java. * Makefile.in: Regenerated. 2005-02-19 Robert Schuster * gnu/java/beans/decoder/GrowableArrayContext.java: Fixed assignment behavior by using java.lang.reflect.Array.set() directly. 2005-02-19 Dalibor Topic * gnu/java/beans/EmptyBeanInfo.java, gnu/java/beans/info/ComponentBeanInfo.java: Removed unused files. 2005-02-19 Robert Schuster * 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 * gnu/java/beans/decoder/DummyHandler.java: Add return statements for failing methods. * gnu/java/beans/decoder/DummyContext.java: Likewise. 2005-02-19 Robert Schuster * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@95287 138bc75d-0d04-0410-961f-82ee72b054a4 --- libjava/gnu/java/beans/decoder/Context.java | 137 ++++++++++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 libjava/gnu/java/beans/decoder/Context.java (limited to 'libjava/gnu/java/beans/decoder/Context.java') diff --git a/libjava/gnu/java/beans/decoder/Context.java b/libjava/gnu/java/beans/decoder/Context.java new file mode 100644 index 00000000000..55746c8561e --- /dev/null +++ b/libjava/gnu/java/beans/decoder/Context.java @@ -0,0 +1,137 @@ +/* gnu.java.beans.decoder.Context + 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; + +/** A Context is the environment for an object which is being assembler. If there + * are no errors each handler creates one Context. + *

Depending on the result of isStatement() a Context can be statement or an + * expression. An expression returns a value to the Context of its parent handler, + * a statement does not. Whenever a Context is a statement the parent handler's + * Context is informed about that through the {@link notifyStatement}-method.

+ * + * @author Robert Schuster + */ +interface Context +{ + /** Adds a parameter object to the context. This method is used when + * sub-Contexts return their result. + * + * Some Contexts do not accept more than a certain amount of objects + * and throw an AssemblerException if the amount is exceeded. + * + * @param o The object added to this context. + */ + void addParameterObject(Object o) throws AssemblyException; + + /** Notifies that the next element is a statement. This can mean + * that an argument list is complete to be called. + * + */ + void notifyStatement(Context outerContext) throws AssemblyException; + + /** Notifies that the context ends and the returns the appropriate result + * object. + * + * @param outerContext + * @return + */ + Object endContext(Context outerContext) throws AssemblyException; + + /** Notifies that the assembly of a subcontext failed and returns + * whether this Context is affected in a way that it fails too. + * + * @return Whether the failure of a subcontext lets this context fail, too. + */ + boolean subContextFailed(); + + /** Calls an appropriate indexed set method if it is available or + * throws an AssemblerException if that is not allowed on this Context. + * + * The behaviour of this method is equal to List.set(int, Object). + * + * @param index Index position to be set. + * @param o Object to be set at the given index position. + * @throws AssemblerException Indexed set is not allowed or otherwise failed. + */ + void set(int index, Object o) throws AssemblyException; + + /** Calls an appropriate indexed get method if it is available or + * throws an AssemblerException if that is not allowed on this Context. + * + * The behaviour of this method is equal to List.get(int). + * + * @param index Index position of the object return. + * @throws AssemblerException Indexed get is not allowed or otherwise failed. + */ + Object get(int index) throws AssemblyException; + + /** Returns the result which was calculated by calling endContext() or reportStatement(). + * Its the handler's responsibility to care that any of these two methods was called. + * + * This is used by sub-Contexts to access this Context's result. + * + * @return + */ + Object getResult(); + + /** Gives this Context a unique id. For convenience the id may be null which means + * that no id exists at all. + * + * @param id + */ + void setId(String id); + + /** Returns this Context's unique id or null if does not have such an id. + * + * @return This Context's id or null. + */ + String getId(); + + /** Returns whether this Context is a statement (not returning result back + * to parent handler's Context) or not (= expression). + * + * @return + */ + boolean isStatement(); + + /** Sets whether this Context is a statement or not. + * + * @param b + */ + void setStatement(boolean b); +} -- cgit v1.2.1