Initial commit of OSGi Shell contribution. (FELIX-946)
git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@783826 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/gogo/src/aQute/threadio/ThreadPrintStream.java b/gogo/src/aQute/threadio/ThreadPrintStream.java
new file mode 100644
index 0000000..b8a7a82
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+++ b/gogo/src/aQute/threadio/ThreadPrintStream.java
@@ -0,0 +1,65 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package aQute.threadio;
+
+import java.io.*;
+
+public class ThreadPrintStream extends PrintStream {
+ PrintStream dflt;
+ ThreadLocal<PrintStream> map = new ThreadLocal<PrintStream>();
+
+ public ThreadPrintStream(PrintStream out) {
+ super(out);
+ dflt = out;
+ }
+
+ public void write(byte[] buffer, int offset, int length) {
+ getCurrent().write(buffer, offset, length);
+ }
+
+ public void write(byte[] buffer) throws IOException {
+ getCurrent().write(buffer);
+ }
+
+ public PrintStream getCurrent() {
+ PrintStream out = map.get();
+ if (out != null)
+ return out;
+ return dflt;
+ }
+
+ public void write(int b) {
+ getCurrent().write(b);
+ }
+
+ public void setStream(PrintStream out) {
+ if (out != dflt && out != this) {
+ map.set(out);
+ }
+ else {
+ map.remove();
+ }
+ }
+
+ public void end() {
+ map.remove();
+ }
+
+
+}