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Posted to commits@camel.apache.org by da...@apache.org on 2013/12/14 11:06:42 UTC

[3/3] git commit: CAMEL-7055: Fixed stream caching to clean temp file when UoW done. Thanks to Franz Forsthofer for the patch.

CAMEL-7055: Fixed stream caching to clean temp file when UoW done. Thanks to Franz Forsthofer for the patch.


Project: http://git-wip-us.apache.org/repos/asf/camel/repo
Commit: http://git-wip-us.apache.org/repos/asf/camel/commit/66cbc0d3
Tree: http://git-wip-us.apache.org/repos/asf/camel/tree/66cbc0d3
Diff: http://git-wip-us.apache.org/repos/asf/camel/diff/66cbc0d3

Branch: refs/heads/camel-2.12.x
Commit: 66cbc0d36eeb1bfdd9a45449fcb8b1697e6ecb97
Parents: 954c068
Author: Claus Ibsen <da...@apache.org>
Authored: Sat Dec 14 11:09:02 2013 +0100
Committer: Claus Ibsen <da...@apache.org>
Committed: Sat Dec 14 11:09:20 2013 +0100

----------------------------------------------------------------------
 .../converter/stream/CachedOutputStream.java    | 42 +++++++++++---------
 .../processor/DataFormatStreamingTest.java      | 31 +++++++++++++++
 2 files changed, 54 insertions(+), 19 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/camel/blob/66cbc0d3/camel-core/src/main/java/org/apache/camel/converter/stream/CachedOutputStream.java
----------------------------------------------------------------------
diff --git a/camel-core/src/main/java/org/apache/camel/converter/stream/CachedOutputStream.java b/camel-core/src/main/java/org/apache/camel/converter/stream/CachedOutputStream.java
index c5f3b49..0e3540c 100644
--- a/camel-core/src/main/java/org/apache/camel/converter/stream/CachedOutputStream.java
+++ b/camel-core/src/main/java/org/apache/camel/converter/stream/CachedOutputStream.java
@@ -71,31 +71,36 @@ public class CachedOutputStream extends OutputStream {
         this(exchange, true);
     }
 
-    public CachedOutputStream(Exchange exchange, boolean closedOnCompletion) {
+    public CachedOutputStream(Exchange exchange, final boolean closedOnCompletion) {
         this.strategy = exchange.getContext().getStreamCachingStrategy();
         currentStream = new CachedByteArrayOutputStream(strategy.getBufferSize());
         
-        if (closedOnCompletion) {
-            // add on completion so we can cleanup after the exchange is done such as deleting temporary files
-            exchange.addOnCompletion(new SynchronizationAdapter() {
-                @Override
-                public void onDone(Exchange exchange) {
-                    try {
-                        if (fileInputStreamCache != null) {
-                            fileInputStreamCache.close();
-                        }
+        // add on completion so we can cleanup after the exchange is done such as deleting temporary files
+        exchange.addOnCompletion(new SynchronizationAdapter() {
+            @Override
+            public void onDone(Exchange exchange) {
+                try {
+                    if (fileInputStreamCache != null) {
+                        fileInputStreamCache.close();
+                    }
+                    if (closedOnCompletion) {
                         close();
-                    } catch (Exception e) {
-                        LOG.warn("Error deleting temporary cache file: " + tempFile, e);
                     }
+                } catch (Exception e) {
+                    LOG.warn("Error closing streams. This exception will be ignored.", e);
                 }
-    
-                @Override
-                public String toString() {
-                    return "OnCompletion[CachedOutputStream]";
+                try {
+                    cleanUpTempFile();
+                } catch (Exception e) {
+                    LOG.warn("Error deleting temporary cache file: " + tempFile + ". This exception will be ignored.", e);
                 }
-            });
-        }
+            }
+    
+            @Override
+            public String toString() {
+                return "OnCompletion[CachedOutputStream]";
+            }
+        });
     }
 
     public void flush() throws IOException {
@@ -104,7 +109,6 @@ public class CachedOutputStream extends OutputStream {
 
     public void close() throws IOException {
         currentStream.close();
-        cleanUpTempFile();
     }
 
     public boolean equals(Object obj) {

http://git-wip-us.apache.org/repos/asf/camel/blob/66cbc0d3/camel-core/src/test/java/org/apache/camel/processor/DataFormatStreamingTest.java
----------------------------------------------------------------------
diff --git a/camel-core/src/test/java/org/apache/camel/processor/DataFormatStreamingTest.java b/camel-core/src/test/java/org/apache/camel/processor/DataFormatStreamingTest.java
new file mode 100644
index 0000000..d1a0e0e
--- /dev/null
+++ b/camel-core/src/test/java/org/apache/camel/processor/DataFormatStreamingTest.java
@@ -0,0 +1,31 @@
+/**
+ * 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.camel.processor;
+
+import org.apache.camel.CamelContext;
+
+public class DataFormatStreamingTest extends DataFormatTest {
+
+    @Override
+    public CamelContext createCamelContext() throws Exception {
+        CamelContext cc = super.createCamelContext();
+        cc.setStreamCaching(Boolean.TRUE);
+        cc.getStreamCachingStrategy().setSpoolThreshold(1L);
+        return cc;
+    }
+
+}