Improved error message

Author: simasch

src/main/java/org/utplsql/maven/plugin/UtPlsqlMojo.java

@@ -212,7 +212,7 @@ private void setDbConfiguration() {
         }
     }
 
-    FileMapperOptions buildSourcesOptions() {
+    FileMapperOptions buildSourcesOptions() throws MojoExecutionException {
         if (sources.isEmpty()) {
             File defaultSourceDirectory = new File(project.getBasedir(), Defaults.SOURCE_DIRECTORY);
             if (defaultSourceDirectory.exists()) {

src/main/java/org/utplsql/maven/plugin/io/SqlFileScanner.java

@@ -1,6 +1,7 @@
 package org.utplsql.maven.plugin.io;
 
 import org.apache.maven.model.Resource;
+import org.apache.maven.plugin.MojoExecutionException;
 import org.codehaus.plexus.util.DirectoryScanner;
 
 import java.io.File;
@@ -27,7 +28,7 @@ public class SqlFileScanner {
      * @param defaultFilePattern the default file pattern
      * @return a list of the files found
      */
-    public List<String> findSqlScripts(File baseDir, List<Resource> resources, String defaultDirectory, String defaultFilePattern) {
+    public List<String> findSqlScripts(File baseDir, List<Resource> resources, String defaultDirectory, String defaultFilePattern) throws MojoExecutionException {
         List<String> founds = new ArrayList<>();
 
         for (Resource resource : resources) {
@@ -51,10 +52,10 @@ public List<String> findSqlScripts(File baseDir, List<Resource> resources, Strin
         return founds;
     }
 
-    private DirectoryScanner buildScanner(String baseDir, Resource resource) {
+    private DirectoryScanner buildScanner(String baseDir, Resource resource) throws MojoExecutionException {
         File fileBaseDir = new File(baseDir, resource.getDirectory());
         if (!fileBaseDir.exists() || !fileBaseDir.isDirectory() || !fileBaseDir.canRead()) {
-            throw new IllegalArgumentException(format("Invalid <directory> %s in resource. Check your pom.xml", resource.getDirectory()));
+            throw new MojoExecutionException(format("Directory %s does not exist!", resource.getDirectory()));
         }
 
         DirectoryScanner scanner = new DirectoryScanner();

src/test/java/org/utplsql/maven/plugin/MojoRuleTest.java

@@ -78,7 +78,7 @@ public void invalidSourcesDirectory() throws Exception {
 
         MojoExecutionException exception = assertThrows(MojoExecutionException.class, utplsqlMojo::execute);
 
-        assertEquals("Invalid <SOURCES> in your pom.xml", exception.getMessage());
+        assertEquals("Directory foo does not exist!", exception.getMessage());
     }
 
     /**
@@ -96,7 +96,7 @@ public void invalidTestsDirectory() throws Exception {
 
         MojoExecutionException exception = assertThrows(MojoExecutionException.class, utplsqlMojo::execute);
 
-        assertEquals("Invalid <TESTS> in your pom.xml: Invalid <directory> bar in resource. Check your pom.xml", exception.getMessage());
+        assertEquals("Directory bar does not exist!", exception.getMessage());
     }
 
     /**