jdk/test/java/io/charStreams/ABCOutputStream.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/io/charStreams/ABCOutputStream.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,63 @@
+/*
+ * Copyright 1997-2000 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/**/
+
+import java.io.*;
+
+
+public class ABCOutputStream extends OutputStream {
+
+    int len;
+    int count = 0;
+    char next = ABCInputStream.firstChar();
+
+    ABCOutputStream(int len) {
+        this.len = len;
+    }
+
+    public void write(int c) throws IOException {
+        if (count >= len)
+            throw new IOException("Wrote too many characters");
+        if (c != next)
+            throw new IOException("Wrong character written: "
+                                  + "Expected '" + next + "', "
+                                  + "got '" + (char)c + "'");
+        next = ABCInputStream.nextChar(next);
+        count++;
+    }
+
+    public void write(byte buf[], int off, int len) throws IOException {
+        for (int i = off; i < off + len; i++)
+            write(buf[i]);
+    }
+
+    public void close() throws IOException {
+        if (len == 0)
+            throw new IOException("Already closed");
+        else if (count < len)
+            throw new IOException("Wrote too few characters");
+        len = 0;
+    }
+
+}