quick sketch of java/io/*

classpath/java/io/PrintStream.java

@@ -0,0 +1,51 @@
+package java.io;
+
+public class PrintStream extends OutputStream {
+  private static final byte[] newline
+    = System.getProperty("line.separator").getBytes();
+
+  private final OutputStream out;
+  private final boolean autoFlush;
+
+  public PrintStream(OutputStream out, boolean autoFlush) {
+    this.out = out;
+    this.autoFlush = true;
+  }
+
+  public PrintStream(OutputStream out) {
+    this(out, false);
+  }
+
+  public synchronized void print(String s) {
+    try {
+      out.write(s.getBytes());
+      if (autoFlush) flush();
+    } catch (IOException e) { }
+  }
+
+  public synchronized void println(String s) {
+    try {
+      out.write(s.getBytes());    
+      out.write(newline);
+      if (autoFlush) flush();
+    } catch (IOException e) { }
+  }
+  
+  public void write(int c) throws IOException {
+    out.write(c);
+    if (autoFlush && c == '\n') flush();
+  }
+
+  public void write(byte[] buffer, int offset, int length) throws IOException {
+    out.write(buffer, offset, length);
+    if (autoFlush) flush();
+  }
+
+  public void flush() throws IOException {
+    out.flush();
+  }
+
+  public void close() throws IOException {
+    out.close();
+  }
+}