Initial-Release

platforms/android/cordova/lib/exec.js

@@ -0,0 +1,68 @@
+#!/usr/bin/env node
+
+/*
+       Licensed to the Apache Software Foundation (ASF) under one
+       or more contributor license agreements.  See the NOTICE file
+       distributed with this work for additional information
+       regarding copyright ownership.  The ASF licenses this file
+       to you under the Apache License, Version 2.0 (the
+       "License"); you may not use this file except in compliance
+       with the License.  You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+       Unless required by applicable law or agreed to in writing,
+       software distributed under the License is distributed on an
+       "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+       KIND, either express or implied.  See the License for the
+       specific language governing permissions and limitations
+       under the License.
+*/
+
+var child_process = require("child_process");
+var Q             = require("q");
+
+// constants
+var DEFAULT_MAX_BUFFER = 1024000;
+
+// Takes a command and optional current working directory.
+// Returns a promise that either resolves with the stdout, or
+// rejects with an error message and the stderr.
+//
+// WARNING:
+//         opt_cwd is an artifact of an old design, and must
+//         be removed in the future; the correct solution is
+//         to pass the options object the same way that
+//         child_process.exec expects
+//
+// NOTE:
+//      exec documented here - https://nodejs.org/api/child_process.html#child_process_child_process_exec_command_options_callback
+module.exports = function(cmd, opt_cwd, options) {
+
+    var d = Q.defer();
+
+    if (typeof options === "undefined") {
+        options = {};
+    }
+
+    // override cwd to preserve old opt_cwd behavior
+    options.cwd = opt_cwd;
+
+    // set maxBuffer
+    if (typeof options.maxBuffer === "undefined") {
+        options.maxBuffer = DEFAULT_MAX_BUFFER;
+    }
+
+    try {
+        child_process.exec(cmd, options, function(err, stdout, stderr) {
+            if (err) d.reject("Error executing \"" + cmd + "\": " + stderr);
+            else d.resolve(stdout);
+        });
+    } catch(e) {
+        console.error("error caught: " + e);
+        d.reject(e);
+    }
+
+    return d.promise;
+};
+