1 files changed, 130 insertions, 0 deletions
diff --git a/qpid/java/systests/src/main/java/org/apache/qpid/test/utils/Piper.java b/qpid/java/systests/src/main/java/org/apache/qpid/test/utils/Piper.java
new file mode 100644
index 0000000000..9413e38606
--- /dev/null
+++ b/qpid/java/systests/src/main/java/org/apache/qpid/test/utils/Piper.java
@@ -0,0 +1,130 @@
+/*
+ *
+ * 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 org.apache.qpid.test.utils;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.PrintStream;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+import org.apache.log4j.Logger;
+
+public final class Piper extends Thread
+{
+    private static final Logger LOGGER = Logger.getLogger(Piper.class);
+
+    private final BufferedReader _in;
+    private final PrintStream _out;
+    private final String _ready;
+    private final CountDownLatch _latch;
+    private final String _stopped;
+    private final String _prefix;
+    private volatile boolean _seenReady;
+    private volatile String _stopLine;
+
+    public Piper(InputStream in, PrintStream out, String ready, String stopped)
+    {
+        this(in, out, ready, stopped, null);
+    }
+
+    public Piper(InputStream in, PrintStream out, String ready, String stopped, String prefix)
+    {
+        _in = new BufferedReader(new InputStreamReader(in));
+        _out = out;
+        _ready = ready;
+        _stopped = stopped;
+        _seenReady = false;
+        _prefix = prefix;
+
+        if (this._ready != null && !this._ready.equals(""))
+        {
+            this._latch = new CountDownLatch(1);
+        }
+        else
+        {
+            this._latch = null;
+        }
+    }
+
+    public boolean await(long timeout, TimeUnit unit) throws InterruptedException
+    {
+        if (_latch == null)
+        {
+            return true;
+        }
+        else
+        {
+            _latch.await(timeout, unit);
+            return _seenReady;
+        }
+    }
+
+    public void run()
+    {
+        try
+        {
+            String line;
+            while ((line = _in.readLine()) != null)
+            {
+                if (_prefix != null)
+                {
+                    line = _prefix + line;
+                }
+                _out.println(line);
+
+                if (_latch != null && line.contains(_ready))
+                {
+                    _seenReady = true;
+                    _latch.countDown();
+                }
+
+                if (!_seenReady && line.contains(_stopped))
+                {
+                    _stopLine = line;
+                }
+            }
+        }
+        catch (IOException e)
+        {
+            LOGGER.warn(e.getMessage() + " : Broker stream from unexpectedly closed; last log lines written by Broker may be lost.");
+        }
+        finally
+        {
+            if (_latch != null)
+            {
+                _latch.countDown();
+            }
+        }
+    }
+
+    public String getStopLine()
+    {
+        return _stopLine;
+    }
+
+    String getReady()
+    {
+        return _ready;
+    }
+}
+\ No newline at end of file