/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.eswrap.java.io;
import com.caucho.es.Call;
import com.caucho.vfs.Path;
import com.caucho.vfs.ReadStream;
import com.caucho.vfs.ReadWritePair;
import com.caucho.vfs.WriteStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class OutputStreamEcmaWrap {
public static void writeByte(OutputStream os, int ch)
throws Throwable
{
os.write(ch);
}
public static void write(OutputStream os, Call call, int length)
throws Throwable
{
for (int i = 0; i < length; i++) {
String string = call.getArgString(i, length);
if (string == null)
string = "null";
byte []bytes = string.getBytes();
os.write(bytes, 0, bytes.length);
}
}
public static void writeBytes(OutputStream os, byte []buffer, int offset, int length)
throws Throwable
{
os.write(buffer, offset, length);
}
public static void writeln(OutputStream os, Call call, int length)
throws Throwable
{
for (int i = 0; i < length; i++) {
String string = call.getArgString(i, length);
if (string == null)
string = "null";
byte []bytes = string.getBytes();
os.write(bytes, 0, bytes.length);
}
os.write('\n');
}
public static void printf(OutputStream os, Call eval, int length)
throws Throwable
{
if (length == 0)
return;
String result = eval.printf(length);
byte []bytes = result.getBytes();
os.write(bytes, 0, bytes.length);
}
public static void writeFile(OutputStream os, Path path)
throws IOException
{
ReadStream stream = path.openRead();
try {
stream.writeToStream(os);
} finally {
stream.close();
}
}
public static void writeStream(OutputStream os, Call call, int length)
throws Throwable
{
if (length < 1)
return;
char []buf = new char[256];
int len;
Object obj = call.getArgObject(0, length);
if (obj instanceof ReadStream) {
ReadStream is = (ReadStream) obj;
is.writeToStream(os);
}
else if (obj instanceof ReadWritePair) {
((ReadWritePair) obj).getReadStream().writeToStream(os);
}
else if (obj instanceof InputStream) {
if (os instanceof WriteStream) {
((WriteStream) os).writeStream((InputStream) obj);
}
else {
int ch;
InputStream is = (InputStream) obj;
while ((ch = is.read()) >= 0)
os.write(ch);
}
}
else
throw new IllegalArgumentException("expected stream at " +
obj.getClass().getName());
}
}