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