in src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java [1375:1390]
private boolean isSourceChanged(CompilerConfiguration compilerConfiguration, Compiler compiler)
throws CompilerException, MojoExecutionException {
Set<File> staleSources =
computeStaleSources(compilerConfiguration, compiler, getSourceInclusionScanner(staleMillis));
if (getLog().isDebugEnabled() || showCompilationChanges) {
for (File f : staleSources) {
if (showCompilationChanges) {
getLog().info("Stale source detected: " + f.getAbsolutePath());
} else {
getLog().debug("Stale source detected: " + f.getAbsolutePath());
}
}
}
return !staleSources.isEmpty();
}