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fokko pushed a commit to branch branch-1.9
in repository https://gitbox.apache.org/repos/asf/avro.git
The following commit(s) were added to refs/heads/branch-1.9 by this push:
new 97e20b0 AVRO-1762: Velocity custom objects (#524)
97e20b0 is described below
commit 97e20b0d0dbea09b14affa8e1188f000a1fe0026
Author: Nicola Bova <[email protected]>
AuthorDate: Mon Jun 10 20:35:09 2019 +0200
AVRO-1762: Velocity custom objects (#524)
* AVRO-1762. Java: Put additional objects into Velocity template
It provides more flexibility when generating code with custom Velocity
templates.
* AVRO-1762. Java: Put additional objects into Velocity template
Rebased on master
* AVRO-1762. Java: Put additional objects into Velocity template
Improved unit tests
* AVRO-1762: Velocity custom objects
velocityTools is now of type List<Object>
(cherry picked from commit a897c50bf28720373b89b10661902a8b9754f7a5)
---
.../avro/compiler/specific/SpecificCompiler.java | 17 +++++
.../compiler/specific/TestSpecificCompiler.java | 22 +++++++
.../templates_with_custom_tools/record.vm | 23 +++++++
.../org/apache/avro/mojo/AbstractAvroMojo.java | 22 +++++++
.../java/org/apache/avro/mojo/IDLProtocolMojo.java | 1 +
.../java/org/apache/avro/mojo/ProtocolMojo.java | 1 +
.../main/java/org/apache/avro/mojo/SchemaMojo.java | 1 +
.../org/apache/avro/mojo/TestIDLProtocolMojo.java | 19 ++++++
.../org/apache/avro/mojo/TestProtocolMojo.java | 17 +++++
.../java/org/apache/avro/mojo/TestSchemaMojo.java | 18 ++++++
.../src/test/resources/templates/enum.vm | 19 ++++++
.../src/test/resources/templates/protocol.vm | 19 ++++++
.../src/test/resources/templates/record.vm | 21 ++++++
.../unit/idl/pom-injecting-velocity-tools.xml | 74 ++++++++++++++++++++++
.../unit/protocol/pom-injecting-velocity-tools.xml | 74 ++++++++++++++++++++++
.../unit/schema/pom-injecting-velocity-tools.xml | 71 +++++++++++++++++++++
16 files changed, 419 insertions(+)
diff --git
a/lang/java/compiler/src/main/java/org/apache/avro/compiler/specific/SpecificCompiler.java
b/lang/java/compiler/src/main/java/org/apache/avro/compiler/specific/SpecificCompiler.java
index ef8e951..9123f5d 100644
---
a/lang/java/compiler/src/main/java/org/apache/avro/compiler/specific/SpecificCompiler.java
+++
b/lang/java/compiler/src/main/java/org/apache/avro/compiler/specific/SpecificCompiler.java
@@ -138,6 +138,7 @@ public class SpecificCompiler {
private boolean enableDecimalLogicalType = false;
private final DateTimeLogicalTypeImplementation
dateTimeLogicalTypeImplementation;
private String suffix = ".java";
+ private List<Object> additionalVelocityTools = new ArrayList<>();
/*
* Used in the record.vm template.
@@ -215,6 +216,14 @@ public class SpecificCompiler {
}
/**
+ * Set additional Velocity tools (simple POJOs) to be injected into the
Velocity
+ * template context.
+ */
+ public void setAdditionalVelocityTools(List<Object> additionalVelocityTools)
{
+ this.additionalVelocityTools = additionalVelocityTools;
+ }
+
+ /**
* Set the resource directory where templates reside. First, the compiler
checks
* the system path for the specified file, if not it is assumed that it is
* present on the classpath.
@@ -551,6 +560,10 @@ public class SpecificCompiler {
VelocityContext context = new VelocityContext();
context.put("protocol", protocol);
context.put("this", this);
+ for (Object velocityTool : additionalVelocityTools) {
+ String toolName = velocityTool.getClass().getSimpleName().toLowerCase();
+ context.put(toolName, velocityTool);
+ }
String out = renderTemplate(templateDir + "protocol.vm", context);
OutputFile outputFile = new OutputFile();
@@ -602,6 +615,10 @@ public class SpecificCompiler {
VelocityContext context = new VelocityContext();
context.put("this", this);
context.put("schema", schema);
+ for (Object velocityTool : additionalVelocityTools) {
+ String toolName = velocityTool.getClass().getSimpleName().toLowerCase();
+ context.put(toolName, velocityTool);
+ }
switch (schema.getType()) {
case RECORD:
diff --git
a/lang/java/compiler/src/test/java/org/apache/avro/compiler/specific/TestSpecificCompiler.java
b/lang/java/compiler/src/test/java/org/apache/avro/compiler/specific/TestSpecificCompiler.java
index 34d8f1e..8b14c44 100644
---
a/lang/java/compiler/src/test/java/org/apache/avro/compiler/specific/TestSpecificCompiler.java
+++
b/lang/java/compiler/src/test/java/org/apache/avro/compiler/specific/TestSpecificCompiler.java
@@ -754,4 +754,26 @@ public class TestSpecificCompiler {
}
assertEquals(17, optionalFound);
}
+
+ @Test
+ public void testAdditionalToolsAreInjectedIntoTemplate() throws Exception {
+ SpecificCompiler compiler = createCompiler();
+ List<Object> customTools = new ArrayList<>();
+ customTools.add(new String());
+ compiler.setAdditionalVelocityTools(customTools);
+ compiler.setTemplateDir("src/test/resources/templates_with_custom_tools/");
+ compiler.compileToDestination(this.src, this.OUTPUT_DIR.getRoot());
+ assertTrue(this.outputFile.exists());
+ int itWorksFound = 0;
+ try (BufferedReader reader = new BufferedReader(new
FileReader(this.outputFile))) {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ line = line.trim();
+ if (line.contains("It works!")) {
+ itWorksFound++;
+ }
+ }
+ }
+ assertEquals(1, itWorksFound);
+ }
}
diff --git
a/lang/java/compiler/src/test/resources/templates_with_custom_tools/record.vm
b/lang/java/compiler/src/test/resources/templates_with_custom_tools/record.vm
new file mode 100644
index 0000000..75f9e5b
--- /dev/null
+++
b/lang/java/compiler/src/test/resources/templates_with_custom_tools/record.vm
@@ -0,0 +1,23 @@
+##
+## 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.
+##
[email protected]
+public class ExemplarOne {
+ /**
+ * $string.concat("It works!")
+ */
+}
diff --git
a/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/AbstractAvroMojo.java
b/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/AbstractAvroMojo.java
index 0bbc137..279df8c 100644
---
a/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/AbstractAvroMojo.java
+++
b/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/AbstractAvroMojo.java
@@ -120,6 +120,15 @@ public abstract class AbstractAvroMojo extends
AbstractMojo {
protected String templateDirectory =
"/org/apache/avro/compiler/specific/templates/java/classic/";
/**
+ * The qualified names of classes which the plugin will look up, instantiate
+ * (through an empty constructor that must exist) and set up to be injected
into
+ * Velocity templates by Avro compiler.
+ *
+ * @parameter property="velocityToolsClassesNames"
+ */
+ protected String[] velocityToolsClassesNames = new String[0];
+
+ /**
* The createOptionalGetters parameter enables generating the getOptional...
* methods that return an Optional of the requested type. This works ONLY on
* Java 8+
@@ -286,6 +295,19 @@ public abstract class AbstractAvroMojo extends
AbstractMojo {
}
}
+ protected List<Object> instantiateAdditionalVelocityTools() {
+ List<Object> velocityTools = new
ArrayList<>(velocityToolsClassesNames.length);
+ for (String velocityToolClassName : velocityToolsClassesNames) {
+ try {
+ Class klass = Class.forName(velocityToolClassName);
+ velocityTools.add(klass.newInstance());
+ } catch (Exception e) {
+ throw new RuntimeException(e);
+ }
+ }
+ return velocityTools;
+ }
+
protected abstract void doCompile(String filename, File sourceDirectory,
File outputDirectory) throws IOException;
protected URLClassLoader createClassLoader() throws
DependencyResolutionRequiredException, MalformedURLException {
diff --git
a/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/IDLProtocolMojo.java
b/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/IDLProtocolMojo.java
index 070cdac..19e5cbe 100644
---
a/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/IDLProtocolMojo.java
+++
b/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/IDLProtocolMojo.java
@@ -94,6 +94,7 @@ public class IDLProtocolMojo extends AbstractAvroMojo {
compiler.setCreateOptionalGetters(createOptionalGetters);
compiler.setGettersReturnOptional(gettersReturnOptional);
compiler.setCreateSetters(createSetters);
+
compiler.setAdditionalVelocityTools(instantiateAdditionalVelocityTools());
compiler.setEnableDecimalLogicalType(enableDecimalLogicalType);
for (String customConversion : customConversions) {
compiler.addCustomConversion(projPathLoader.loadClass(customConversion));
diff --git
a/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/ProtocolMojo.java
b/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/ProtocolMojo.java
index e5638c7..b65c44a 100644
---
a/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/ProtocolMojo.java
+++
b/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/ProtocolMojo.java
@@ -66,6 +66,7 @@ public class ProtocolMojo extends AbstractAvroMojo {
compiler.setCreateOptionalGetters(createOptionalGetters);
compiler.setGettersReturnOptional(gettersReturnOptional);
compiler.setCreateSetters(createSetters);
+ compiler.setAdditionalVelocityTools(instantiateAdditionalVelocityTools());
compiler.setEnableDecimalLogicalType(enableDecimalLogicalType);
final URLClassLoader classLoader;
try {
diff --git
a/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/SchemaMojo.java
b/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/SchemaMojo.java
index 95c5a4c..c0ad0d1 100644
--- a/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/SchemaMojo.java
+++ b/lang/java/maven-plugin/src/main/java/org/apache/avro/mojo/SchemaMojo.java
@@ -93,6 +93,7 @@ public class SchemaMojo extends AbstractAvroMojo {
throw new IOException(e);
}
compiler.setOutputCharacterEncoding(project.getProperties().getProperty("project.build.sourceEncoding"));
+ compiler.setAdditionalVelocityTools(instantiateAdditionalVelocityTools());
compiler.compileToDestination(src, outputDirectory);
}
diff --git
a/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestIDLProtocolMojo.java
b/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestIDLProtocolMojo.java
index d75c75d..7429b94 100644
---
a/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestIDLProtocolMojo.java
+++
b/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestIDLProtocolMojo.java
@@ -30,6 +30,8 @@ public class TestIDLProtocolMojo extends AbstractAvroMojoTest
{
protected File jodaTestPom = new File(getBasedir(),
"src/test/resources/unit/idl/pom-joda.xml");
protected File jsr310TestPom = new File(getBasedir(),
"src/test/resources/unit/idl/pom-jsr310.xml");
+ protected File injectingVelocityToolsTestPom = new File(getBasedir(),
+ "src/test/resources/unit/idl/pom-injecting-velocity-tools.xml");
public void testIdlProtocolMojoJoda() throws Exception {
IDLProtocolMojo mojo = (IDLProtocolMojo) lookupMojo("idl-protocol",
jodaTestPom);
@@ -58,4 +60,21 @@ public class TestIDLProtocolMojo extends
AbstractAvroMojoTest {
String idlUserContent = FileUtils.fileRead(new File(outputDir,
"IdlUser.java"));
assertTrue(idlUserContent.contains("java.time.Instant"));
}
+
+ public void testSetCompilerVelocityAdditionalTools() throws Exception {
+ injectingVelocityToolsTestPom = new File(getBasedir(),
+ "src/test/resources/unit/idl/pom-injecting-velocity-tools.xml");
+ IDLProtocolMojo mojo = (IDLProtocolMojo) lookupMojo("idl-protocol",
injectingVelocityToolsTestPom);
+
+ assertNotNull(mojo);
+ mojo.execute();
+
+ File outputDir = new File(getBasedir(), "target/test-harness/idl/test");
+ String[] generatedFiles = new String[] { "IdlPrivacy.java",
"IdlTest.java", "IdlUser.java", "IdlUserWrapper.java" };
+
+ assertFilesExist(outputDir, generatedFiles);
+
+ String schemaUserContent = FileUtils.fileRead(new File(outputDir,
"IdlUser.java"));
+ assertTrue(schemaUserContent.contains("It works!"));
+ }
}
diff --git
a/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestProtocolMojo.java
b/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestProtocolMojo.java
index eb8477e..33663ed 100644
---
a/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestProtocolMojo.java
+++
b/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestProtocolMojo.java
@@ -30,6 +30,8 @@ public class TestProtocolMojo extends AbstractAvroMojoTest {
protected File jodaTestPom = new File(getBasedir(),
"src/test/resources/unit/protocol/pom-joda.xml");
protected File jsr310TestPom = new File(getBasedir(),
"src/test/resources/unit/protocol/pom-jsr310.xml");
+ protected File injectingVelocityToolsTestPom = new File(getBasedir(),
+ "src/test/resources/unit/protocol/pom-injecting-velocity-tools.xml");
public void testProtocolMojoJoda() throws Exception {
ProtocolMojo mojo = (ProtocolMojo) lookupMojo("protocol", jodaTestPom);
@@ -60,4 +62,19 @@ public class TestProtocolMojo extends AbstractAvroMojoTest {
String protocolUserContent = FileUtils.fileRead(new File(outputDir,
"ProtocolUser.java"));
assertTrue(protocolUserContent.contains("java.time.Instant"));
}
+
+ public void testSetCompilerVelocityAdditionalTools() throws Exception {
+ ProtocolMojo mojo = (ProtocolMojo) lookupMojo("protocol",
injectingVelocityToolsTestPom);
+
+ assertNotNull(mojo);
+ mojo.execute();
+
+ File outputDir = new File(getBasedir(),
"target/test-harness/protocol/test");
+ String[] generatedFiles = new String[] { "ProtocolPrivacy.java",
"ProtocolTest.java", "ProtocolUser.java" };
+
+ assertFilesExist(outputDir, generatedFiles);
+
+ String schemaUserContent = FileUtils.fileRead(new File(outputDir,
"ProtocolUser.java"));
+ assertTrue(schemaUserContent.contains("It works!"));
+ }
}
diff --git
a/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestSchemaMojo.java
b/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestSchemaMojo.java
index 9dc367f..4a116a8 100644
---
a/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestSchemaMojo.java
+++
b/lang/java/maven-plugin/src/test/java/org/apache/avro/mojo/TestSchemaMojo.java
@@ -30,6 +30,8 @@ public class TestSchemaMojo extends AbstractAvroMojoTest {
protected File jodaTestPom = new File(getBasedir(),
"src/test/resources/unit/schema/pom-joda.xml");
protected File jsr310TestPom = new File(getBasedir(),
"src/test/resources/unit/schema/pom-jsr310.xml");
+ protected File injectingVelocityToolsTestPom = new File(getBasedir(),
+ "src/test/resources/unit/schema/pom-injecting-velocity-tools.xml");
public void testSchemaMojoJoda() throws Exception {
SchemaMojo mojo = (SchemaMojo) lookupMojo("schema", jodaTestPom);
@@ -62,4 +64,20 @@ public class TestSchemaMojo extends AbstractAvroMojoTest {
String schemaUserContent = FileUtils.fileRead(new File(outputDir,
"SchemaUser.java"));
assertTrue(schemaUserContent.contains("java.time.Instant"));
}
+
+ public void testSetCompilerVelocityAdditionalTools() throws Exception {
+ SchemaMojo mojo = (SchemaMojo) lookupMojo("schema",
injectingVelocityToolsTestPom);
+
+ assertNotNull(mojo);
+ mojo.execute();
+
+ File outputDir = new File(getBasedir(), "target/test-harness/schema/test");
+ String[] generatedFiles = new String[] { "PrivacyDirectImport.java",
"PrivacyImport.java", "SchemaPrivacy.java",
+ "SchemaUser.java" };
+
+ assertFilesExist(outputDir, generatedFiles);
+
+ String schemaUserContent = FileUtils.fileRead(new File(outputDir,
"SchemaUser.java"));
+ assertTrue(schemaUserContent.contains("It works!"));
+ }
}
diff --git a/lang/java/maven-plugin/src/test/resources/templates/enum.vm
b/lang/java/maven-plugin/src/test/resources/templates/enum.vm
new file mode 100644
index 0000000..0ec156f
--- /dev/null
+++ b/lang/java/maven-plugin/src/test/resources/templates/enum.vm
@@ -0,0 +1,19 @@
+##
+## 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.
+##
+
+## No need to place anything here by now. File must exist, though.
diff --git a/lang/java/maven-plugin/src/test/resources/templates/protocol.vm
b/lang/java/maven-plugin/src/test/resources/templates/protocol.vm
new file mode 100644
index 0000000..0ec156f
--- /dev/null
+++ b/lang/java/maven-plugin/src/test/resources/templates/protocol.vm
@@ -0,0 +1,19 @@
+##
+## 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.
+##
+
+## No need to place anything here by now. File must exist, though.
diff --git a/lang/java/maven-plugin/src/test/resources/templates/record.vm
b/lang/java/maven-plugin/src/test/resources/templates/record.vm
new file mode 100644
index 0000000..0c55177
--- /dev/null
+++ b/lang/java/maven-plugin/src/test/resources/templates/record.vm
@@ -0,0 +1,21 @@
+##
+## 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.
+##
+
+/**
+ * $string.concat("It works!")
+ */
diff --git
a/lang/java/maven-plugin/src/test/resources/unit/idl/pom-injecting-velocity-tools.xml
b/lang/java/maven-plugin/src/test/resources/unit/idl/pom-injecting-velocity-tools.xml
new file mode 100644
index 0000000..b79458a
--- /dev/null
+++
b/lang/java/maven-plugin/src/test/resources/unit/idl/pom-injecting-velocity-tools.xml
@@ -0,0 +1,74 @@
+<?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>
+ <artifactId>avro-parent</artifactId>
+ <groupId>org.apache.avro</groupId>
+ <version>1.9.0-SNAPSHOT</version>
+ <relativePath>../../../../../../../../../</relativePath>
+ </parent>
+
+ <artifactId>avro-maven-plugin-test</artifactId>
+ <packaging>jar</packaging>
+
+ <name>testproject</name>
+
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>avro-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>idl</id>
+ <goals>
+ <goal>idl-protocol</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <sourceDirectory>${basedir}/src/test</sourceDirectory>
+ <outputDirectory>${basedir}/target/test-harness/idl</outputDirectory>
+ <stringType>String</stringType>
+ <templateDirectory>
+ ${basedir}/src/test/resources/templates/
+ </templateDirectory>
+ <velocityToolsClassesNames>
+ <param>java.lang.String</param>
+ </velocityToolsClassesNames>
+ <project
implementation="org.apache.maven.plugin.testing.stubs.MavenProjectStub"/>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.avro</groupId>
+ <artifactId>avro</artifactId>
+ <version>${parent.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>com.fasterxml.jackson.core</groupId>
+ <artifactId>jackson-databind</artifactId>
+ <version>${jackson.version}</version>
+ </dependency>
+ </dependencies>
+
+</project>
diff --git
a/lang/java/maven-plugin/src/test/resources/unit/protocol/pom-injecting-velocity-tools.xml
b/lang/java/maven-plugin/src/test/resources/unit/protocol/pom-injecting-velocity-tools.xml
new file mode 100644
index 0000000..d811eb4
--- /dev/null
+++
b/lang/java/maven-plugin/src/test/resources/unit/protocol/pom-injecting-velocity-tools.xml
@@ -0,0 +1,74 @@
+<?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>
+ <artifactId>avro-parent</artifactId>
+ <groupId>org.apache.avro</groupId>
+ <version>1.9.0-SNAPSHOT</version>
+ <relativePath>../../../../../../../../../</relativePath>
+ </parent>
+
+ <artifactId>avro-maven-plugin-test</artifactId>
+ <packaging>jar</packaging>
+
+ <name>testproject</name>
+
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>avro-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>protocol</id>
+ <goals>
+ <goal>protocol</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <sourceDirectory>${basedir}/src/test/avro</sourceDirectory>
+
<outputDirectory>${basedir}/target/test-harness/protocol</outputDirectory>
+ <project
implementation="org.apache.maven.plugin.testing.stubs.MavenProjectStub"/>
+ <templateDirectory>
+ ${basedir}/src/test/resources/templates/
+ </templateDirectory>
+ <stringType>String</stringType>
+ <velocityToolsClassesNames>
+ <param>java.lang.String</param>
+ </velocityToolsClassesNames>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.avro</groupId>
+ <artifactId>avro</artifactId>
+ <version>${parent.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>com.fasterxml.jackson.core</groupId>
+ <artifactId>jackson-databind</artifactId>
+ <version>${jackson.version}</version>
+ </dependency>
+ </dependencies>
+
+</project>
diff --git
a/lang/java/maven-plugin/src/test/resources/unit/schema/pom-injecting-velocity-tools.xml
b/lang/java/maven-plugin/src/test/resources/unit/schema/pom-injecting-velocity-tools.xml
new file mode 100644
index 0000000..f45076e
--- /dev/null
+++
b/lang/java/maven-plugin/src/test/resources/unit/schema/pom-injecting-velocity-tools.xml
@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+ <modelVersion>4.0.0</modelVersion>
+
+ <artifactId>avro-maven-plugin-test</artifactId>
+ <packaging>jar</packaging>
+
+ <name>testproject</name>
+
+ <build>
+ <plugins>
+ <plugin>
+ <artifactId>avro-maven-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>schema</id>
+ <goals>
+ <goal>schema</goal>
+ </goals>
+ </execution>
+ </executions>
+ <configuration>
+ <sourceDirectory>${basedir}/src/test/avro</sourceDirectory>
+
<outputDirectory>${basedir}/target/test-harness/schema</outputDirectory>
+ <imports>
+ <import>${basedir}/src/test/avro/imports</import>
+
<import>${basedir}/src/test/avro/directImport/PrivacyDirectImport.avsc</import>
+ </imports>
+ <project
implementation="org.apache.maven.plugin.testing.stubs.MavenProjectStub"/>
+ <templateDirectory>
+ ${basedir}/src/test/resources/templates/
+ </templateDirectory>
+ <stringType>String</stringType>
+ <velocityToolsClassesNames>
+ <param>java.lang.String</param>
+ </velocityToolsClassesNames>
+ </configuration>
+ </plugin>
+ </plugins>
+ </build>
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.avro</groupId>
+ <artifactId>avro</artifactId>
+ <version>${parent.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>com.fasterxml.jackson.core</groupId>
+ <artifactId>jackson-databind</artifactId>
+ <version>${jackson.version}</version>
+ </dependency>
+ </dependencies>
+
+</project>
