--- a/jdk/src/jdk.deploy.osx/macosx/classes/apple/applescript/AppleScriptEngine.java Fri Dec 11 20:06:25 2015 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,389 +0,0 @@
-/*
- * Copyright (c) 2011, 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 apple.applescript;
-
-import java.io.*;
-import java.nio.file.Files;
-import java.util.*;
-import java.util.Map.Entry;
-
-import javax.script.*;
-
-/**
- * AppleScriptEngine implements JSR 223 for AppleScript on Mac OS X
- */
-public class AppleScriptEngine implements ScriptEngine {
- private static native void initNative();
-
- private static native long createContextFrom(final Object object);
- private static native Object createObjectFrom(final long context);
- private static native void disposeContext(final long context);
-
- private static native long evalScript(final String script, long contextptr);
- private static native long evalScriptFromURL(final String filename, long contextptr);
-
- static {
- System.loadLibrary("AppleScriptEngine");
- initNative();
- TRACE("<static-init>");
- }
-
- static void checkSecurity() {
- final SecurityManager securityManager = System.getSecurityManager();
- if (securityManager != null) securityManager.checkExec("/usr/bin/osascript");
- }
-
- static void TRACE(final String str) {
-// System.out.println(AppleScriptEngine.class.getName() + "." + str);
- }
-
- /**
- * Accessor for the ScriptEngine's long name variable
- * @return the long name of the ScriptEngine
- */
- protected static String getEngine() {
- TRACE("getEngine()");
- return AppleScriptEngineFactory.ENGINE_NAME;
- }
-
- /**
- * Accessor for the ScriptEngine's version
- * @return the version of the ScriptEngine
- */
- protected static String getEngineVersion() {
- TRACE("getEngineVersion()");
- return AppleScriptEngineFactory.ENGINE_VERSION;
- }
-
- /**
- * Accessor for the ScriptEngine's short name
- * @return the short name of the ScriptEngine
- */
- protected static String getName() {
- TRACE("getName()");
- return AppleScriptEngineFactory.ENGINE_SHORT_NAME;
- }
-
- /**
- * Accessor for the ScriptEngine's supported language name
- * @return the language the ScriptEngine supports
- */
- protected static String getLanguage() {
- TRACE("getLanguage()");
- return AppleScriptEngineFactory.LANGUAGE;
- }
-
- /**
- * The no argument constructor sets up the object with default members,
- * a factory for the engine and a fresh context.
- * @see com.apple.applescript.AppleScriptEngine#init()
- */
- public AppleScriptEngine() {
- TRACE("<ctor>()");
- // set our parent factory to be a new factory
- factory = AppleScriptEngineFactory.getFactory();
-
- // set up our noarg bindings
- setContext(new SimpleScriptContext());
- put(ARGV, "");
-
- init();
- }
-
- /**
- * All AppleScriptEngines share the same ScriptEngineFactory
- */
- private final ScriptEngineFactory factory;
-
- /**
- * The local context for the AppleScriptEngine
- */
- private ScriptContext context;
-
- /**
- * The constructor taking a factory as an argument sets the parent factory for
- * this engine to be the passed factory, and sets up the engine with a fresh context
- * @param factory
- * @see com.apple.applescript.AppleScriptEngine#init()
- */
- public AppleScriptEngine(final ScriptEngineFactory factory) {
- // inherit the factory passed to us
- this.factory = factory;
-
- // set up our noarg bindings
- setContext(new SimpleScriptContext());
- put(ARGV, "");
-
- init();
- }
-
- /**
- * The initializer populates the local context with some useful predefined variables:
- * <ul><li><code>javax_script_language_version</code> - the version of AppleScript that the AppleScriptEngine supports.</li>
- * <li><code>javax_script_language</code> - "AppleScript" -- the language supported by the AppleScriptEngine.</li>
- * <li><code>javax_script_engine</code> - "AppleScriptEngine" -- the name of the ScriptEngine.</li>
- * <li><code>javax_script_engine_version</code> - the version of the AppleScriptEngine</li>
- * <li><code>javax_script_argv</code> - "" -- AppleScript does not take arguments from the command line</li>
- * <li><code>javax_script_filename</code> - "" -- the currently executing filename</li>
- * <li><code>javax_script_name</code> - "AppleScriptEngine" -- the short name of the AppleScriptEngine</li>
- * <li><code>THREADING</code> - null -- the AppleScriptEngine does not support concurrency, you will have to implement thread-safeness yourself.</li></ul>
- */
- private void init() {
- TRACE("init()");
- // set up our context
-/* TODO -- name of current executable? bad java documentation at:
- * http://docs.oracle.com/javase/6/docs/api/javax/script/ScriptEngine.html#FILENAME */
- put(ScriptEngine.FILENAME, "");
- put(ScriptEngine.ENGINE, getEngine());
- put(ScriptEngine.ENGINE_VERSION, getEngineVersion());
- put(ScriptEngine.NAME, getName());
- put(ScriptEngine.LANGUAGE, getLanguage());
- put(ScriptEngine.LANGUAGE_VERSION, getLanguageVersion());
-
- // TODO -- for now, err on the side of caution and say that we are NOT thread-safe
- put("THREADING", null);
- }
-
- /**
- * Uses the AppleScriptEngine to get the local AppleScript version
- * @return the version of AppleScript running on the system
- */
- protected String getLanguageVersion() {
- TRACE("AppleScriptEngine.getLanguageVersion()");
- try {
- final Object result = eval("get the version of AppleScript");
- if (result instanceof String) return (String)result;
- } catch (final ScriptException e) { e.printStackTrace(); }
- return "unknown";
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Returns the factory parent of this AppleScriptEngine
- */
- public ScriptEngineFactory getFactory() {
- return factory;
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Return the engine's context
- * @return this ScriptEngine's context
- */
- public ScriptContext getContext() {
- return context;
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Set a new context for the engine
- * @param context the new context to install in the engine
- */
- public void setContext(final ScriptContext context) {
- this.context = context;
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Create and return a new set of simple bindings.
- * @return a new and empty set of bindings
- */
- public Bindings createBindings() {
- return new SimpleBindings();
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Return the engines bindings for the context indicated by the argument.
- * @param scope contextual scope to return.
- * @return the bindings in the engine for the scope indicated by the parameter
- */
- public Bindings getBindings(final int scope) {
- return context.getBindings(scope);
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Sets the bindings for the indicated scope
- * @param bindings a set of bindings to assign to the engine
- * @param scope the scope that the passed bindings should be assigned to
- */
- public void setBindings(final Bindings bindings, final int scope) {
- context.setBindings(bindings, scope);
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Insert a key and value into the engine's bindings (scope: engine)
- * @param key the key of the pair
- * @param value the value of the pair
- */
- public void put(final String key, final Object value) {
- getBindings(ScriptContext.ENGINE_SCOPE).put(key, value);
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Get a value from the engine's bindings using a key (scope: engine)
- * @param key the key of the pair
- * @return the value of the pair
- */
- public Object get(final String key) {
- return getBindings(ScriptContext.ENGINE_SCOPE).get(key);
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Passes the Reader argument, as well as the engine's context to a lower evaluation function.<br />
- * Prefers FileReader or BufferedReader wrapping FileReader as argument.
- * @param reader a Reader to AppleScript source or compiled AppleScript
- * @return an Object corresponding to the return value of the script
- * @see com.apple.applescript.AppleScriptEngine#eval(Reader, ScriptContext)
- */
- public Object eval(final Reader reader) throws ScriptException {
- return eval(reader, getContext());
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Uses the passed bindings as the context for executing the passed script.
- * @param reader a stream to AppleScript source or compiled AppleScript
- * @param bindings a Bindings object representing the contexts to execute inside
- * @return the return value of the script
- * @see com.apple.applescript.AppleScriptEngine#eval(Reader, ScriptContext)
- */
- public Object eval(final Reader reader, final Bindings bindings) throws ScriptException {
- final Bindings tmp = getContext().getBindings(ScriptContext.ENGINE_SCOPE);
- getContext().setBindings(bindings, ScriptContext.ENGINE_SCOPE);
- final Object retval = eval(reader);
- getContext().setBindings(tmp, ScriptContext.ENGINE_SCOPE);
- return retval;
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * This function can execute either AppleScript source or compiled AppleScript and functions by writing the
- * contents of the Reader to a temporary file and then executing it with the engine's context.
- * @param reader
- * @param scriptContext
- * @return an Object corresponding to the return value of the script
- */
- public Object eval(final Reader reader, final ScriptContext context) throws ScriptException {
- checkSecurity();
-
- // write our passed reader to a temporary file
- File tmpfile;
- FileWriter tmpwrite;
- try {
- tmpfile = Files.createTempFile("AppleScriptEngine.", ".scpt").toFile();
- tmpwrite = new FileWriter(tmpfile);
-
- // read in our input and write directly to tmpfile
- /* TODO -- this may or may not be avoidable for certain Readers,
- * if a filename can be grabbed, it would be faster to get that and
- * use the underlying file than writing a temp file.
- */
- int data;
- while ((data = reader.read()) != -1) {
- tmpwrite.write(data);
- }
- tmpwrite.close();
-
- // set up our context business
- final long contextptr = scriptContextToNSDictionary(context);
- try {
- final long retCtx = evalScriptFromURL("file://" + tmpfile.getCanonicalPath(), contextptr);
- Object retVal = (retCtx == 0) ? null : createObjectFrom(retCtx);
- disposeContext(retCtx);
- return retVal;
- } finally {
- disposeContext(contextptr);
- tmpfile.delete();
- }
- } catch (final IOException e) {
- throw new ScriptException(e);
- }
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Evaluate an AppleScript script passed as a source string. Using the engine's built in context.
- * @param script the string to execute.
- * @return an Object representing the return value of the script
- * @see com.apple.applescript.AppleScriptEngine#eval(String, ScriptContext)
- */
- public Object eval(final String script) throws ScriptException {
- return eval(script, getContext());
- }
-
- /**
- * Implementation required by ScriptEngine parent<br />
- * Evaluate an AppleScript script passed as a source string with a custom ScriptContext.
- * @param script the AppleScript source to compile and execute.
- * @param scriptContext the context to execute the script under
- * @see com.apple.applescript.AppleScriptEngine#eval(String, ScriptContext)
- */
- public Object eval(final String script, final Bindings bindings) throws ScriptException {
- final Bindings tmp = getContext().getBindings(ScriptContext.ENGINE_SCOPE);
- getContext().setBindings(bindings, ScriptContext.ENGINE_SCOPE);
-
- final Object retval = eval(script);
- getContext().setBindings(tmp, ScriptContext.ENGINE_SCOPE);
-
- return retval;
- }
-
- /**
- * Implementation required by ScriptEngine parent
- * @param script
- * @param scriptContext
- */
- public Object eval(final String script, final ScriptContext context) throws ScriptException {
- checkSecurity();
- final long ctxPtr = scriptContextToNSDictionary(context);
- try {
- final long retCtx = evalScript(script, ctxPtr);
- Object retVal = (retCtx == 0) ? null : createObjectFrom(retCtx);
- disposeContext(retCtx);
- return retVal;
- } finally {
- disposeContext(ctxPtr);
- }
- }
-
- /**
- * Converts a ScriptContext into an NSDictionary
- * @param context ScriptContext for the engine
- * @return a pointer to an NSDictionary
- */
- private long scriptContextToNSDictionary(final ScriptContext context) throws ScriptException {
- final Map<String, Object> contextAsMap = new HashMap<String, Object>();
- for (final Entry<String, Object> e : context.getBindings(ScriptContext.ENGINE_SCOPE).entrySet()) {
- contextAsMap.put(e.getKey().replaceAll("\\.", "_"), e.getValue());
- }
- return createContextFrom(contextAsMap);
- }
-}