jlaskey@3: /*
jlaskey@7:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
jlaskey@3:  * 
jlaskey@3:  * Redistribution and use in source and binary forms, with or without
jlaskey@3:  * modification, are permitted provided that the following conditions
jlaskey@3:  * are met:
jlaskey@3:  * 
jlaskey@3:  *   - Redistributions of source code must retain the above copyright
jlaskey@3:  *     notice, this list of conditions and the following disclaimer.
jlaskey@3:  * 
jlaskey@3:  *   - Redistributions in binary form must reproduce the above copyright
jlaskey@3:  *     notice, this list of conditions and the following disclaimer in the
jlaskey@3:  *     documentation and/or other materials provided with the distribution.
jlaskey@3:  * 
jlaskey@3:  *   - Neither the name of Oracle nor the names of its
jlaskey@3:  *     contributors may be used to endorse or promote products derived
jlaskey@3:  *     from this software without specific prior written permission.
jlaskey@3:  * 
jlaskey@3:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
jlaskey@3:  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
jlaskey@3:  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
jlaskey@3:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
jlaskey@3:  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
jlaskey@3:  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
jlaskey@3:  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
jlaskey@3:  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
jlaskey@3:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
jlaskey@3:  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
jlaskey@3:  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: /**
jlaskey@3:  * This is a simple shell tool in JavaScript.
jlaskey@3:  *
jlaskey@3:  * Runs any operating system command using Java "exec". When "eval" command is
jlaskey@3:  * used, evaluates argument(s) as JavaScript code.
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: var imports = new JavaImporter(java.io, java.lang, java.util);
jlaskey@3: 
jlaskey@3: function prompt() {
jlaskey@3:     java.lang.System.out.print(">");
jlaskey@3: }
jlaskey@3: 
jlaskey@3: with (imports) {
jlaskey@3:     var reader = new BufferedReader(new InputStreamReader(System["in"]));
jlaskey@3:     var line = null;
jlaskey@3:     prompt();
jlaskey@3:     while ((line = reader.readLine()) != null) {
jlaskey@3:         if (line != "") {
jlaskey@3:             var args = line.split(" ");
jlaskey@3:             try {
jlaskey@3:                 if (args[0] == "eval") {
jlaskey@3:                     var code = line.substring("eval".length);
jlaskey@3:                     var res = eval(code);
jlaskey@3:                     if (res != undefined) {
jlaskey@3:                         print(res);
jlaskey@3:                     }
jlaskey@3:                 } else {
jlaskey@3:                     var argList = new ArrayList();
jlaskey@3:                     for (i in args) { argList.add(args[i]); }                
jlaskey@3:                     var procBuilder = new ProcessBuilder(argList);
jlaskey@3:                     procBuilder.redirectErrorStream();
jlaskey@3:                     var proc = procBuilder.start();
jlaskey@3:                     var out = new BufferedReader(new InputStreamReader(proc.getInputStream()));
jlaskey@3:                     var line = null;
jlaskey@3:                     while ((line = out.readLine()) != null) {
jlaskey@3:                         System.out.println(line);
jlaskey@3:                     }
jlaskey@3:                     proc.waitFor();
jlaskey@3:                 }
jlaskey@3:             } catch (e) {
jlaskey@3:                 print(e);
jlaskey@3:             }
jlaskey@3:         }
jlaskey@3:         prompt();
jlaskey@3:     }
jlaskey@3: }