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Fix periodic pull failure (2.x) #474

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Merged
merged 1 commit into from
Feb 23, 2016
Merged

Fix periodic pull failure (2.x) #474

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9 changes: 7 additions & 2 deletions src/main/java/com/github/dockerjava/core/async/JsonStreamProcessor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.github.dockerjava.api.async.ResultCallback;

/**
Expand Down Expand Up @@ -41,8 +42,12 @@ public void processResponseStream(InputStream response, ResultCallback<T> result
JsonToken nextToken = jp.nextToken();
while (!closed && nextToken != null && nextToken != JsonToken.END_OBJECT) {
try {
T next = OBJECT_MAPPER.readValue(jp, clazz);
resultCallback.onNext(next);
ObjectNode objectNode = OBJECT_MAPPER.readTree(jp);
// exclude empty item serialization into class #461
if (!(objectNode.size() == 0)) {
T next = OBJECT_MAPPER.treeToValue(objectNode, clazz);
resultCallback.onNext(next);
}
} catch (Exception e) {
resultCallback.onError(e);
}
Expand Down
65 changes: 65 additions & 0 deletions src/test/java/com/github/dockerjava/core/async/JsonStreamProcessorTest.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,65 @@
/*
* Created on 16.02.2016
*/
package com.github.dockerjava.core.async;

import static org.testng.Assert.assertFalse;

import java.io.ByteArrayInputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import org.testng.annotations.Test;

import com.github.dockerjava.api.async.ResultCallback;
import com.github.dockerjava.api.model.PullResponseItem;


/**
*
* @author Marcus Linke
*
*/
public class JsonStreamProcessorTest {

@Test
public void processEmptyJson() throws Exception {

InputStream response = new ByteArrayInputStream("{}".getBytes());

JsonStreamProcessor<PullResponseItem> jsonStreamProcessor = new JsonStreamProcessor<PullResponseItem>(PullResponseItem.class);

final List<Boolean> completed = new ArrayList<Boolean>();

jsonStreamProcessor.processResponseStream(response, new ResultCallback<PullResponseItem>() {

@Override
public void close() throws IOException {
}

@Override
public void onStart(Closeable closeable) {
}

@Override
public void onNext(PullResponseItem object) {
assertFalse(true, "onNext called for empty json");
}

@Override
public void onError(Throwable throwable) {
}

@Override
public void onComplete() {
completed.add(true);
}
});

assertFalse(completed.isEmpty(), "Stream processing not completed");
}

}