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NIFI-632 generating a test nar which loads a resource during its init method

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danbress 2015-05-30 11:38:55 -04:00
parent 30055dd0c8
commit b4ee97c771
8 changed files with 306 additions and 0 deletions
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36
nifi/nifi-external/nifi-example-bundle/nifi-nifi-example-nar/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
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.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-example-bundle</artifactId>
<version>0.1.1-incubating-SNAPSHOT</version>
</parent>
<artifactId>nifi-nifi-example-nar</artifactId>
<packaging>nar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-nifi-example-processors</artifactId>
<version>${project.version}</version>
</dependency>
</dependencies>
</project>

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nifi/nifi-external/nifi-example-bundle/nifi-nifi-example-processors/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
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.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-example-bundle</artifactId>
<version>0.1.1-incubating-SNAPSHOT</version>
</parent>
<artifactId>nifi-nifi-example-processors</artifactId>
<packaging>jar</packaging>
<dependencies>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-api</artifactId>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-processor-utils</artifactId>
</dependency>
<dependency>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-mock</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.rat</groupId>
<artifactId>apache-rat-plugin</artifactId>
<configuration>
<excludes>
<exclude>src/main/resources/file.txt</exclude>
</excludes>
</configuration>
</plugin>
</plugins>
</build>
</project>

102
nifi/nifi-external/nifi-example-bundle/nifi-nifi-example-processors/src/main/java/org/apache/nifi/processors/WriteResourceToStream.java Normal file
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/*
* 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.nifi.processors;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.apache.commons.io.IOUtils;
import org.apache.nifi.annotation.documentation.CapabilityDescription;
import org.apache.nifi.annotation.documentation.Tags;
import org.apache.nifi.annotation.lifecycle.OnScheduled;
import org.apache.nifi.flowfile.FlowFile;
import org.apache.nifi.processor.AbstractProcessor;
import org.apache.nifi.processor.ProcessContext;
import org.apache.nifi.processor.ProcessSession;
import org.apache.nifi.processor.ProcessorInitializationContext;
import org.apache.nifi.processor.Relationship;
import org.apache.nifi.processor.exception.ProcessException;
import org.apache.nifi.processor.io.OutputStreamCallback;
@Tags({ "example" })
@CapabilityDescription("Provide a description")
public class WriteResourceToStream extends AbstractProcessor {
public static final Relationship REL_SUCCESS = new Relationship.Builder()
.name("success")
.description("files that were successfully processed").build();
public static final Relationship REL_FAILURE = new Relationship.Builder()
.name("success")
.description("files that were notsuccessfully processed").build();
private Set<Relationship> relationships;
private String resourceData;
@Override
protected void init(final ProcessorInitializationContext context) {
final Set<Relationship> relationships = new HashSet<Relationship>();
relationships.add(REL_SUCCESS);
relationships.add(REL_FAILURE);
this.relationships = Collections.unmodifiableSet(relationships);
try {
this.resourceData = IOUtils.toString(Thread.currentThread()
.getContextClassLoader().getResourceAsStream("file.txt"));
} catch (IOException e) {
throw new RuntimeException("Unable to load resources", e);
}
}
@Override
public Set<Relationship> getRelationships() {
return this.relationships;
}
@OnScheduled
public void onScheduled(final ProcessContext context) {
}
@Override
public void onTrigger(final ProcessContext context,
final ProcessSession session) throws ProcessException {
FlowFile flowFile = session.get();
if (flowFile == null) {
return;
}
try {
flowFile = session.write(flowFile, new OutputStreamCallback() {
@Override
public void process(OutputStream out) throws IOException {
IOUtils.write(resourceData, out);
}
});
session.transfer(flowFile, REL_SUCCESS);
} catch (ProcessException ex) {
getLogger().error("Unable to process", ex);
session.transfer(flowFile, REL_FAILURE);
}
}
}

15
nifi/nifi-external/nifi-example-bundle/nifi-nifi-example-processors/src/main/resources/META-INF/services/org.apache.nifi.processor.Processor Normal file
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# 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.
org.apache.nifi.processors.WriteResourceToStream

1
nifi/nifi-external/nifi-example-bundle/nifi-nifi-example-processors/src/main/resources/file.txt Normal file
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this came from a resource

47
nifi/nifi-external/nifi-example-bundle/nifi-nifi-example-processors/src/test/java/org/apache/nifi/processors/WriteResourceToStreamTest.java Normal file
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/*
* 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.nifi.processors;
import org.junit.Assert;
import org.apache.nifi.util.TestRunner;
import org.apache.nifi.util.TestRunners;
import org.junit.Before;
import org.junit.Test;
public class WriteResourceToStreamTest {
private TestRunner testRunner;
@Before
public void init() {
testRunner = TestRunners.newTestRunner(WriteResourceToStream.class);
}
@Test
public void testProcessor() {
testRunner.enqueue(new byte[] { 1, 2, 3, 4, 5 });
testRunner.run();
testRunner.assertAllFlowFilesTransferred(WriteResourceToStream.REL_SUCCESS, 1);
final byte[] data = testRunner
.getFlowFilesForRelationship(WriteResourceToStream.REL_SUCCESS).get(0)
.toByteArray();
final String stringData = new String(data);
Assert.assertEquals("this came from a resource", stringData);
}
}

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nifi/nifi-external/nifi-example-bundle/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
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.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.apache.nifi</groupId>
<artifactId>nifi-nar-bundles</artifactId>
<version>0.1.1-incubating-SNAPSHOT</version>
</parent>
<artifactId>nifi-example-bundle</artifactId>
<packaging>pom</packaging>
<modules>
<module>nifi-nifi-example-processors</module>
<module>nifi-nifi-example-nar</module>
</modules>
</project>

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nifi/nifi-external/pom.xml
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<modules>
<module>nifi-spark-receiver</module>
<module>nifi-storm-spout</module>
<module>nifi-example-bundle</module>
</modules>
</project>