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authorMichael Koch <mkoch@gcc.gnu.org>2005-02-19 18:47:29 +0000
committerMichael Koch <mkoch@gcc.gnu.org>2005-02-19 18:47:29 +0000
commit6ca84a804a7378e79bbb1d5a6d646ead7e6cfa46 (patch)
tree55ebacd491a20d362082021ef37660e30d015575 /libjava/gnu/java/beans/decoder/ElementHandler.java
parent2cdc207340d10fdbf643ae6b83cb289af1ba32d6 (diff)
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[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
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+/* gnu.java.beans.decoder.ElementHandler
+ 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;
+
+/** ElementHandler manages a Context instance and interacts with
+ * its parent and child handlers.
+ *
+ * @author Robert Schuster
+ */
+interface ElementHandler
+{
+ /** Evaluates the attributes and creates a Context instance.
+ * If the creation of the Context instance fails the ElementHandler
+ * is marked as failed which may affect the parent handler other.
+ *
+ * @param attributes Attributes of the XML tag.
+ */
+ void start(Attributes attributes, ExceptionListener exceptionListener);
+
+ /** Post-processes the Context.
+ */
+ void end(ExceptionListener exceptionListener);
+
+ /** Adds characters from the body of the XML tag to the buffer.
+ *
+ * @param ch
+ * @param start
+ * @param length
+ * @throws SAXException
+ */
+ void characters(char[] ch, int start, int length);
+
+ /** Returns whether a subelement of the given name is allowed. The rules
+ * for evaluating this are derived from the javabeans.dtd which can be found
+ * here: <a href="http://java.sun.com/products/jfc/tsc/articles/persistence3">Java Persistence Article</a>.
+ *
+ * @param subElementName
+ * @return
+ */
+ boolean isSubelementAllowed(String subElementName);
+
+ /** Provides the same functionality as Class.forName() but allows the decoder
+ * to use a different class loader.
+ *
+ * @param className
+ * @return
+ * @throws ClassNotFoundException
+ */
+ Class instantiateClass(String className) throws ClassNotFoundException;
+
+ /** Notifies the handler's Context that its child Context will not return
+ * a value back. Some Context variants need this information to know when
+ * a method or a constructor call can be made.
+ *
+ * This method is called by a child handler.
+ */
+ void notifyStatement(ExceptionListener exceptionListener);
+
+ /** Returns whether this handler has failed.
+ *
+ * This is used to skip child elements.
+ *
+ * @return Whether this handler has failed.
+ */
+ boolean hasFailed();
+
+ /** Returns the Context instance this handler is working on.
+ *
+ * @return The handler's Context instance.
+ */
+ Context getContext();
+
+ /** Notifies the handler that its Context failed and starts a recursive
+ * invocation of the parent handler if it is affected by that failure.
+ *
+ * Although the method is a public API member it is only used internally.
+ */
+ void notifyContextFailed();
+
+ /** Stores the object under the given id. The object is not stored if the
+ * id is null.
+ *
+ * @param objectId
+ * @param o
+ */
+ void putObject(String objectId, Object o);
+
+ Object getObject(String objectId) throws AssemblyException;
+
+ ElementHandler getParent();
+}