public void call(SourceUnit source) throws CompilationFailedException { List<ClassNode> classes = source.ast.getClasses(); for (ClassNode node : classes) { CompileUnit cu = node.getCompileUnit(); for (Iterator iter = cu.iterateClassNodeToCompile(); iter.hasNext(); ) { String name = (String) iter.next(); SourceUnit su = ast.getScriptSourceLocation(name); List<ClassNode> classesInSourceUnit = su.ast.getClasses(); StringBuilder message = new StringBuilder(); message .append("Compilation incomplete: expected to find the class ") .append(name) .append(" in ") .append(su.getName()); if (classesInSourceUnit.isEmpty()) { message.append(", but the file seems not to contain any classes"); } else { message.append(", but the file contains the classes: "); boolean first = true; for (ClassNode cn : classesInSourceUnit) { if (!first) { message.append(", "); } else { first = false; } message.append(cn.getName()); } } getErrorCollector() .addErrorAndContinue(new SimpleMessage(message.toString(), CompilationUnit.this)); iter.remove(); } } }