added ea support to the reference version

Author: Rob Austin

pom.xml

@@ -64,6 +64,15 @@
             <scope>provided</scope>
         </dependency>
 
+
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.11</version>
+            <scope>test</scope>
+        </dependency>
+
+
     </dependencies>
 
     <scm>

src/main/java/software/chronicle/BinaryCompatibilityEnforcerPluginMogo.java

@@ -63,7 +63,7 @@ public void execute() throws MojoExecutionException {
         if (finalName.endsWith(".0-SNAPSHOT") || finalName.endsWith(".0")
                 || finalName.endsWith("ea0-SNAPSHOT") || finalName.endsWith("ea0"))
             return;
-        
+
         try {
             checkJavaAPIComplianceCheckerInstalled();
         } catch (final MojoExecutionException e) {
@@ -107,25 +107,24 @@ private String referencePath(final String groupId,
             String version = project.getVersion();
             int i = version.indexOf(".");
             if (i != -1) {
-                i = version.indexOf(".", i + 1);
-                if (i != -1) {
-                    version = version.substring(0, i);
-                    referenceVersion = version + ".0";
-                    getLog().info("setting referenceVersion=" + referenceVersion);
-                    try {
-                        pathToJar1 = downloadArtifact(groupId,
-                                artifactId,
-                                referenceVersion,
-                                outputDirectory).getAbsolutePath();
-                    } catch (final Exception e) {
-                        throw new MojoExecutionException(String.format("Please set <referenceVersion> config, " +
-                                "can not download default version=%s of %s", referenceVersion, artifactId), e);
-                    }
 
-                }
 
+                referenceVersion = calculateDefaultRefVersion(version, i);
+                getLog().info("setting referenceVersion=" + referenceVersion);
                 if (pathToJar1 == null)
                     throw new MojoExecutionException("Please set <referenceVersion> config");
+
+                try {
+                    pathToJar1 = downloadArtifact(groupId,
+                            artifactId,
+                            referenceVersion,
+                            outputDirectory).getAbsolutePath();
+
+                } catch (final Exception e) {
+                    throw new MojoExecutionException(String.format("Please set <referenceVersion> config, " +
+                            "can not download default version=%s of %s", referenceVersion, artifactId), e);
+                }
+
             } else {
 
                 pathToJar1 = downloadArtifact(groupId,
@@ -143,6 +142,21 @@ private String referencePath(final String groupId,
     }
 
 
+    static String calculateDefaultRefVersion(String version, int indexOfFirstDot) throws MojoExecutionException {
+
+        boolean containsES = version.contains("ea");
+
+        int indexOfSecondDelimitor = version.indexOf(containsES ? "ea" : ".", indexOfFirstDot + 1);
+        if (indexOfSecondDelimitor != -1) {
+            version = version.substring(0, indexOfSecondDelimitor);
+            return containsES ? version + "ea0" : version + ".0";
+        }
+
+        throw new MojoExecutionException(String.format("Please set <referenceVersion> config, " +
+                "can not download default version=%s", version));
+    }
+
+
     private File downloadArtifact(final String group, final String artifactId, final String version, final String target) throws MojoExecutionException {
         final File tempFile = new File(target, artifactId + "-" + version + ".jar");
         tempFile.delete();

src/test/java/software/chronicle/BinaryCompatibilityEnforcerPluginMogoTest.java

@@ -0,0 +1,28 @@
+package software.chronicle;
+
+
+import org.apache.maven.plugin.MojoExecutionException;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static software.chronicle.BinaryCompatibilityEnforcerPluginMogo.calculateDefaultRefVersion;
+
+public class BinaryCompatibilityEnforcerPluginMogoTest {
+
+    @Test
+    public void test() throws MojoExecutionException {
+        assertEquals("1.2.0", test("1.2.3"));
+        assertEquals("1.2.0", test("1.2.3-SNAPSHOT"));
+        assertEquals("1.2.0", test("1.2.99-SNAPSHOT"));
+        assertEquals("1.2.0", test("1.2.0-SNAPSHOT"));
+        assertEquals("1.3.0", test("1.3.0-SNAPSHOT"));
+
+        assertEquals("1.2ea0", test("1.2ea3"));
+        assertEquals("1.2ea0", test("1.2ea4-SNAPSHOT"));
+
+    }
+
+    private String test(String version) throws MojoExecutionException {
+        return calculateDefaultRefVersion(version, version.indexOf("."));
+    }
+}