My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

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java/pkg/javax/script/Invocable.java+111−0

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	1	+/*
	2	+ * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
	3	+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	4	+ *
	5	+ * This code is free software; you can redistribute it and/or modify it
	6	+ * under the terms of the GNU General Public License version 2 only, as
	7	+ * published by the Free Software Foundation. Oracle designates this
	8	+ * particular file as subject to the "Classpath" exception as provided
	9	+ * by Oracle in the LICENSE file that accompanied this code.
	10	+ *
	11	+ * This code is distributed in the hope that it will be useful, but WITHOUT
	12	+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	13	+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	14	+ * version 2 for more details (a copy is included in the LICENSE file that
	15	+ * accompanied this code).
	16	+ *
	17	+ * You should have received a copy of the GNU General Public License version
	18	+ * 2 along with this work; if not, write to the Free Software Foundation,
	19	+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	20	+ *
	21	+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	22	+ * or visit www.oracle.com if you need additional information or have any
	23	+ * questions.
	24	+ */
	25	+
	26	+package javax.script;
	27	+
	28	+/**
	29	+ * The optional interface implemented by ScriptEngines whose methods allow the invocation of
	30	+ * procedures in scripts that have previously been executed.
	31	+ *
	32	+ * @author Mike Grogan
	33	+ * @author A. Sundararajan
	34	+ * @since 1.6
	35	+ */
	36	+public interface Invocable {
	37	+ /**
	38	+ * Calls a method on a script object compiled during a previous script execution,
	39	+ * which is retained in the state of the <code>ScriptEngine</code>.
	40	+ *
	41	+ * @param name The name of the procedure to be called.
	42	+ *
	43	+ * @param thiz If the procedure is a member of a class
	44	+ * defined in the script and thiz is an instance of that class
	45	+ * returned by a previous execution or invocation, the named method is
	46	+ * called through that instance.
	47	+ *
	48	+ * @param args Arguments to pass to the procedure. The rules for converting
	49	+ * the arguments to scripting variables are implementation-specific.
	50	+ *
	51	+ * @return The value returned by the procedure. The rules for converting the scripting
	52	+ * variable returned by the script method to a Java Object are implementation-specific.
	53	+ *
	54	+ * @throws ScriptException if an error occurrs during invocation of the method.
	55	+ * @throws NoSuchMethodException if method with given name or matching argument types cannot be found.
	56	+ * @throws NullPointerException if the method name is null.
	57	+ * @throws IllegalArgumentException if the specified thiz is null or the specified Object is
	58	+ * does not represent a scripting object.
	59	+ */
	60	+ public Object invokeMethod(Object thiz, String name, Object... args)
	61	+ throws ScriptException, NoSuchMethodException;
	62	+
	63	+ /**
	64	+ * Used to call top-level procedures and functions defined in scripts.
	65	+ *
	66	+ * @param args Arguments to pass to the procedure or function
	67	+ * @return The value returned by the procedure or function
	68	+ *
	69	+ * @throws ScriptException if an error occurrs during invocation of the method.
	70	+ * @throws NoSuchMethodException if method with given name or matching argument types cannot be found.
	71	+ * @throws NullPointerException if method name is null.
	72	+ */
	73	+ public Object invokeFunction(String name, Object... args)
	74	+ throws ScriptException, NoSuchMethodException;
	75	+
	76	+
	77	+ /**
	78	+ * Returns an implementation of an interface using functions compiled in
	79	+ * the interpreter. The methods of the interface
	80	+ * may be implemented using the <code>invokeFunction</code> method.
	81	+ *
	82	+ * @param clasz The <code>Class</code> object of the interface to return.
	83	+ *
	84	+ * @return An instance of requested interface - null if the requested interface is unavailable,
	85	+ * i. e. if compiled functions in the <code>ScriptEngine</code> cannot be found matching
	86	+ * the ones in the requested interface.
	87	+ *
	88	+ * @throws IllegalArgumentException if the specified <code>Class</code> object
	89	+ * is null or is not an interface.
	90	+ */
	91	+ public <T> T getInterface(Class<T> clasz);
	92	+
	93	+ /**
	94	+ * Returns an implementation of an interface using member functions of
	95	+ * a scripting object compiled in the interpreter. The methods of the
	96	+ * interface may be implemented using the <code>invokeMethod</code> method.
	97	+ *
	98	+ * @param thiz The scripting object whose member functions are used to implement the methods of the interface.
	99	+ * @param clasz The <code>Class</code> object of the interface to return.
	100	+ *
	101	+ * @return An instance of requested interface - null if the requested interface is unavailable,
	102	+ * i. e. if compiled methods in the <code>ScriptEngine</code> cannot be found matching
	103	+ * the ones in the requested interface.
	104	+ *
	105	+ * @throws IllegalArgumentException if the specified <code>Class</code> object
	106	+ * is null or is not an interface, or if the specified Object is
	107	+ * null or does not represent a scripting object.
	108	+ */
	109	+ public <T> T getInterface(Object thiz, Class<T> clasz);
	110	+
	111	+}