get sourcepath from project.getCompileSourceRoot()

src/main/java/org/bsc/function/Consumer.java

@@ -0,0 +1,16 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.bsc.function;
+
+/**
+ *
+ * @author bsorrentino
+ * @param <T>
+ */
+public interface Consumer<T> {
+
+    void accept(T t);
+}

src/main/java/org/bsc/maven/plugin/processor/AbstractAnnotationProcessorMojo.java

@@ -44,6 +44,7 @@
 import org.apache.maven.plugins.annotations.Component;
 import org.apache.maven.plugins.annotations.Parameter;
 import org.apache.maven.project.MavenProject;
+import org.bsc.function.Consumer;
 import org.codehaus.plexus.util.FileUtils;
 import org.codehaus.plexus.util.StringUtils;
 
@@ -310,6 +311,21 @@ private String buildProcessor()
 
     protected abstract java.util.Set<String> getClasspathElements( java.util.Set<String> result );
 
+    private String buildCompileSourcepath( Consumer<String> onSuccess) {
+
+        final java.util.List<String> roots = project.getCompileSourceRoots();
+
+        if( roots == null || roots.isEmpty() ) {
+            return null;
+        }
+
+        final String result = StringUtils.join(roots.iterator(), File.pathSeparator);
+
+        onSuccess.accept( result );
+
+        return result;
+    }
+
     private String buildCompileClasspath()
     {
 
@@ -331,7 +347,7 @@ private String buildCompileClasspath()
 
         getClasspathElements(pathElements);
 
-        StringBuilder result = new StringBuilder();
+        final StringBuilder result = new StringBuilder();
 
         for( String elem : pathElements ) {
             result.append(elem).append(File.pathSeparator);
@@ -449,8 +465,15 @@ private void executeWithExceptionsHandled() throws Exception
 
         options.add("-cp");
         options.add(compileClassPath);
-        options.add("-sourcepath");
-        options.add(compileClassPath);
+
+        buildCompileSourcepath( new Consumer<String>() {
+            public void accept(String sourcepath) {
+
+                options.add("-sourcepath");
+                options.add(sourcepath);
+            }
+        });
+
         options.add("-proc:only");
 
         addCompilerArguments(options);