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/*
* Copyright (C)2005-2012 Haxe Foundation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
package sys.io;
import haxe.io.Bytes;
import haxe.io.BytesInput;
import haxe.io.Eof;
import java.io.IOException;
import java.io.EOFException;
import java.NativeArray;
@:coreApi
class Process {
public var stdout(default,null) : haxe.io.Input;
public var stderr(default,null) : haxe.io.Input;
public var stdin(default, null) : haxe.io.Output;
private var proc:java.lang.Process;
public function new( cmd : String, args : Array<String> ) : Void
{
var pargs = new NativeArray(args.length + 1);
pargs[0] = cmd;
for (i in 0...args.length)
{
pargs[i + 1] = args[i];
}
try
{
proc = new java.lang.ProcessBuilder(pargs).start();
}
catch (e:Dynamic) { throw e; } //wrapping typed exceptions
var p = proc;
stderr = new ProcessInput(p.getErrorStream());
stdout = new ProcessInput(p.getInputStream());
stdin = new java.io.NativeOutput(p.getOutputStream());
}
public function getPid() : Int
{
if (Reflect.hasField(proc, "pid"))
return Reflect.field(proc, "pid");
return -1;
}
public function exitCode() : Int
{
cast(stdout, ProcessInput).bufferContents();
cast(stderr, ProcessInput).bufferContents();
try
{
proc.waitFor();
}
catch (e:Dynamic) { throw e; }
return proc.exitValue();
}
public function close() : Void
{
proc.destroy();
}
public function kill() : Void
{
proc.destroy();
}
}
private class ProcessInput extends java.io.NativeInput
{
private var chained:BytesInput;
public function bufferContents():Void
{
if (chained != null) return;
var b = this.readAll();
chained = new BytesInput(b);
}
override public function readByte():Int
{
if (chained != null)
return chained.readByte();
var ret = 0;
try
{
ret = stream.read();
}
catch (e:IOException) {
throw haxe.io.Error.Custom(e);
}
if ( ret == -1 )
throw new Eof();
return ret;
}
override public function readBytes(s:Bytes, pos:Int, len:Int):Int
{
if (chained != null)
return chained.readBytes(s, pos, len);
var ret = -1;
try
{
ret = stream.read(s.getData(), pos, len);
}
catch (e:EOFException) {
throw new Eof();
}
catch (e:IOException) {
throw haxe.io.Error.Custom(e);
}
if (ret == -1)
throw new Eof();
return ret;
}
override public function close():Void
{
if (chained != null)
chained.close();
try
{
stream.close();
}
catch (e:IOException) {
throw haxe.io.Error.Custom(e);
}
}
}
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