diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/java.scripting/share/classes/javax/script/CompiledScript.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.scripting/share/classes/javax/script/CompiledScript.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package javax.script;
+
+import java.util.Map;
+
+/**
+ * Extended by classes that store results of compilations. State
+ * might be stored in the form of Java classes, Java class files or scripting
+ * language opcodes. The script may be executed repeatedly
+ * without reparsing.
+ *
+ * Each CompiledScript
is associated with a ScriptEngine
-- A call to an eval
+ * method of the CompiledScript
causes the execution of the script by the
+ * ScriptEngine
. Changes in the state of the ScriptEngine
caused by execution
+ * of the CompiledScript
may visible during subsequent executions of scripts by the engine.
+ *
+ * @author Mike Grogan
+ * @since 1.6
+ */
+public abstract class CompiledScript {
+
+ /**
+ * Executes the program stored in this CompiledScript
object.
+ *
+ * @param context A ScriptContext
that is used in the same way as
+ * the ScriptContext
passed to the eval
methods of
+ * ScriptEngine
.
+ *
+ * @return The value returned by the script execution, if any. Should return null
+ * if no value is returned by the script execution.
+ *
+ * @throws ScriptException if an error occurs.
+ * @throws NullPointerException if context is null.
+ */
+
+ public abstract Object eval(ScriptContext context) throws ScriptException;
+
+ /**
+ * Executes the program stored in the CompiledScript
object using
+ * the supplied Bindings
of attributes as the ENGINE_SCOPE
of the
+ * associated ScriptEngine
during script execution. If bindings is null,
+ * then the effect of calling this method is same as that of eval(getEngine().getContext()).
+ *
.
+ * The GLOBAL_SCOPE
Bindings
, Reader
and Writer
+ * associated with the default ScriptContext
of the associated ScriptEngine
are used.
+ *
+ * @param bindings The bindings of attributes used for the ENGINE_SCOPE
.
+ *
+ * @return The return value from the script execution
+ *
+ * @throws ScriptException if an error occurs.
+ */
+ public Object eval(Bindings bindings) throws ScriptException {
+
+ ScriptContext ctxt = getEngine().getContext();
+
+ if (bindings != null) {
+ SimpleScriptContext tempctxt = new SimpleScriptContext();
+ tempctxt.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
+ tempctxt.setBindings(ctxt.getBindings(ScriptContext.GLOBAL_SCOPE),
+ ScriptContext.GLOBAL_SCOPE);
+ tempctxt.setWriter(ctxt.getWriter());
+ tempctxt.setReader(ctxt.getReader());
+ tempctxt.setErrorWriter(ctxt.getErrorWriter());
+ ctxt = tempctxt;
+ }
+
+ return eval(ctxt);
+ }
+
+
+ /**
+ * Executes the program stored in the CompiledScript
object. The
+ * default ScriptContext
of the associated ScriptEngine
is used.
+ * The effect of calling this method is same as that of eval(getEngine().getContext()).
+ *
+ * @return The return value from the script execution
+ *
+ * @throws ScriptException if an error occurs.
+ */
+ public Object eval() throws ScriptException {
+ return eval(getEngine().getContext());
+ }
+
+ /**
+ * Returns the ScriptEngine
whose compile
method created this CompiledScript
.
+ * The CompiledScript
will execute in this engine.
+ *
+ * @return The ScriptEngine
that created this CompiledScript
+ */
+ public abstract ScriptEngine getEngine();
+
+}