138 put(ARGV, "");
139
140 init();
141 }
142
143 /**
144 * The initializer populates the local context with some useful predefined variables:
145 * <ul><li><code>javax_script_language_version</code> - the version of AppleScript that the AppleScriptEngine supports.</li>
146 * <li><code>javax_script_language</code> - "AppleScript" -- the language supported by the AppleScriptEngine.</li>
147 * <li><code>javax_script_engine</code> - "AppleScriptEngine" -- the name of the ScriptEngine.</li>
148 * <li><code>javax_script_engine_version</code> - the version of the AppleScriptEngine</li>
149 * <li><code>javax_script_argv</code> - "" -- AppleScript does not take arguments from the command line</li>
150 * <li><code>javax_script_filename</code> - "" -- the currently executing filename</li>
151 * <li><code>javax_script_name</code> - "AppleScriptEngine" -- the short name of the AppleScriptEngine</li>
152 * <li><code>THREADING</code> - null -- the AppleScriptEngine does not support concurrency, you will have to implement thread-safeness yourself.</li></ul>
153 */
154 private void init() {
155 TRACE("init()");
156 // set up our context
157 /* TODO -- name of current executable? bad java documentation at:
158 * http://java.sun.com/javase/6/docs/api/javax/script/ScriptEngine.html#FILENAME */
159 put(ScriptEngine.FILENAME, "");
160 put(ScriptEngine.ENGINE, getEngine());
161 put(ScriptEngine.ENGINE_VERSION, getEngineVersion());
162 put(ScriptEngine.NAME, getName());
163 put(ScriptEngine.LANGUAGE, getLanguage());
164 put(ScriptEngine.LANGUAGE_VERSION, getLanguageVersion());
165
166 // TODO -- for now, err on the side of caution and say that we are NOT thread-safe
167 put("THREADING", null);
168 }
169
170 /**
171 * Uses the AppleScriptEngine to get the local AppleScript version
172 * @return the version of AppleScript running on the system
173 */
174 protected String getLanguageVersion() {
175 TRACE("AppleScriptEngine.getLanguageVersion()");
176 try {
177 final Object result = eval("get the version of AppleScript");
178 if (result instanceof String) return (String)result;
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138 put(ARGV, "");
139
140 init();
141 }
142
143 /**
144 * The initializer populates the local context with some useful predefined variables:
145 * <ul><li><code>javax_script_language_version</code> - the version of AppleScript that the AppleScriptEngine supports.</li>
146 * <li><code>javax_script_language</code> - "AppleScript" -- the language supported by the AppleScriptEngine.</li>
147 * <li><code>javax_script_engine</code> - "AppleScriptEngine" -- the name of the ScriptEngine.</li>
148 * <li><code>javax_script_engine_version</code> - the version of the AppleScriptEngine</li>
149 * <li><code>javax_script_argv</code> - "" -- AppleScript does not take arguments from the command line</li>
150 * <li><code>javax_script_filename</code> - "" -- the currently executing filename</li>
151 * <li><code>javax_script_name</code> - "AppleScriptEngine" -- the short name of the AppleScriptEngine</li>
152 * <li><code>THREADING</code> - null -- the AppleScriptEngine does not support concurrency, you will have to implement thread-safeness yourself.</li></ul>
153 */
154 private void init() {
155 TRACE("init()");
156 // set up our context
157 /* TODO -- name of current executable? bad java documentation at:
158 * http://docs.oracle.com/javase/6/docs/api/javax/script/ScriptEngine.html#FILENAME */
159 put(ScriptEngine.FILENAME, "");
160 put(ScriptEngine.ENGINE, getEngine());
161 put(ScriptEngine.ENGINE_VERSION, getEngineVersion());
162 put(ScriptEngine.NAME, getName());
163 put(ScriptEngine.LANGUAGE, getLanguage());
164 put(ScriptEngine.LANGUAGE_VERSION, getLanguageVersion());
165
166 // TODO -- for now, err on the side of caution and say that we are NOT thread-safe
167 put("THREADING", null);
168 }
169
170 /**
171 * Uses the AppleScriptEngine to get the local AppleScript version
172 * @return the version of AppleScript running on the system
173 */
174 protected String getLanguageVersion() {
175 TRACE("AppleScriptEngine.getLanguageVersion()");
176 try {
177 final Object result = eval("get the version of AppleScript");
178 if (result instanceof String) return (String)result;
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