Initial revision

From-SVN: r26263

libjava/java/io/PrintWriter.java

@@ -0,0 +1,286 @@
+/* Copyright (C) 1998, 1999  Cygnus Solutions
+
+   This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
+details.  */
+ 
+package java.io;
+
+/**
+ * @author Per Bothner <bothner@cygnus.com>
+ * @date April 17, 1998.  
+ */
+/* Written using "Java Class Libraries", 2nd edition, plus online
+ * API docs for JDK 1.2 beta from http://www.javasoft.com.
+ * Status:  Believed complete and correct.
+ * However, should use native methods for conversion.
+ */
+
+public class PrintWriter extends Writer
+{
+  private boolean autoflush;
+  private boolean error;
+  Writer out;
+
+  public PrintWriter(Writer wr)
+  {
+    super(wr);
+    this.out = wr;
+  }
+
+  public PrintWriter(Writer wr, boolean autoflush)
+  {
+    super(wr);
+    this.out = wr;
+    this.autoflush = autoflush;
+  }
+
+  public PrintWriter(OutputStream out)
+  {
+    super();
+    this.out = new OutputStreamWriter(out);
+    this.lock = this.out;
+  }
+
+  public PrintWriter(OutputStream out, boolean autoflush)
+  {
+    this(out);
+    this.autoflush = autoflush;
+  }
+  protected void setError() { error = true; }
+
+  public boolean checkError()
+  {
+    flush();
+    return error;
+  }
+
+  public void flush()
+  {
+    try
+      {
+	out.flush();
+      }
+    catch (IOException ex)
+      {
+	error = true;
+      }
+  }
+
+  public void close()
+  {
+    try
+      {
+	out.close();
+      }
+    catch (IOException ex)
+      {
+	error = true;
+      }
+  }
+
+  public void print(String str)
+  {
+    try
+      {
+	out.write(str == null ? "null" : str);
+      }
+    catch (IOException ex)
+      {
+	error = true;
+      }
+  }
+
+  public void print(char ch)
+  {
+    write((int) ch);
+  }
+
+  public void print(char[] charArray)
+  {
+    write(charArray, 0, charArray.length);
+  }
+
+  public void print(boolean bool)
+  {
+    print(bool ? "true" : "false");
+  }
+
+  public void print(int inum)
+  {
+    print(Integer.toString(inum));
+  }
+
+  public void print(long lnum)
+  {
+    print(Long.toString(lnum));
+  }
+
+  public void print(float fnum)
+  {
+    print(Float.toString(fnum));
+  }
+
+  public void print(double dnum)
+  {
+    print(Double.toString(dnum));
+  }
+
+  public void print(Object obj)
+  {
+    print(obj == null ? "null" : obj.toString());
+  }
+
+  private static final char[] line_separator
+  = System.getProperty("line.separator").toCharArray();
+
+  public void println()
+  {
+    synchronized (lock)
+      {
+	printlnUnsynchronized();
+      }
+  }
+
+  private void printlnUnsynchronized()
+  {
+    try
+      {
+	write(line_separator, 0, line_separator.length);
+	if (autoflush)
+	  out.flush();
+      }
+    catch (IOException ex)
+      {
+	error = true;
+      }
+  }
+
+  public void println(boolean bool)
+  {
+    synchronized (lock)
+      {
+	print(bool);
+	printlnUnsynchronized();
+      }
+  }
+  public void println(int inum)
+  {
+    synchronized (lock)
+      {
+	print(inum);
+	printlnUnsynchronized();
+      }
+  }
+
+  public void println(long lnum)
+  {
+    synchronized (lock)
+      {
+	print(lnum);
+	printlnUnsynchronized();
+      }
+  }
+
+  public void println(float fnum)
+  {
+    synchronized (lock)
+      {
+	print(fnum);
+	printlnUnsynchronized();
+      }
+  }
+
+  public void println(double dnum)
+  {
+    synchronized (lock)
+      {
+	print(dnum);
+	printlnUnsynchronized();
+      }
+  }
+
+  public void println(Object obj)
+  {
+    synchronized (lock)
+      {
+	print(obj);
+	printlnUnsynchronized();
+      }
+  }
+
+  public void println(String str)
+  {
+    synchronized (lock)
+      {
+	print(str);
+	printlnUnsynchronized();
+      }
+  }
+
+  public void println(char ch)
+  {
+    synchronized (lock)
+      {
+	print(ch);
+	printlnUnsynchronized();
+      }
+  }
+
+  public void println(char[] charArray)
+  {
+    synchronized (lock)
+      {
+	print(charArray);
+	printlnUnsynchronized();
+      }
+  }
+
+  public void write(int ch)
+  {
+    try
+      {
+	out.write(ch);
+      }
+    catch (IOException ex)
+      {
+	error = true;
+      }
+  }
+
+  public void write(char[] charArray, int offset, int count)
+  {
+    try
+      {
+	out.write(charArray, offset, count);
+      }
+    catch (IOException ex)
+      {
+	error = true;
+      }
+  }
+
+  public void write(String str, int offset, int count)
+  {
+    try
+      {
+	out.write(str, offset, count);
+      }
+    catch (IOException ex)
+      {
+	error = true;
+      }
+  }
+
+  public void write(char[] charArray)
+  {
+    write(charArray, 0, charArray.length);
+  }  
+
+  public void write(String str)
+  {
+    write(str, 0, str.length());
+  }  
+}