How to use

appendString

method

in

com.yahoo.aptutils.writer.JavaFileWriter

  @Override
  public boolean writeExpression(JavaFileWriter writer) throws IOException {
    writer.appendString("@")
        .appendString(writer.shortenName(MODEL_GEN_ERROR_INNER, false))
        .appendString("(specClass=")
        .appendExpression(Expressions.classObject(errorInfo.errorClass))
        .appendString(", ");
    if (!AptUtils.isEmpty(errorInfo.element)) {
      writer.appendString("element=\"")
          .appendString(errorInfo.element)
          .appendString("\", ");
    }
    writer.appendString("message=\"")
        .appendString(errorInfo.message)
        .appendString("\")");
    return true;
  }
}

  @Override
  public boolean writeExpression(JavaFileWriter writer) throws IOException {
    writer.appendExpression(condition)
        .appendString(" ? ")
        .appendExpression(ifTrue)
        .appendString(" : ")
        .appendExpression(ifFalse);
    return true;
  }
}

  @Override
  public boolean writeExpression(JavaFileWriter writer) throws IOException {
    writer.appendString("@")
        .appendString(writer.shortenName(MODEL_GEN_ERRORS, false))
        .appendString("({\n");
    writer.moveToScope(JavaFileWriter.Scope.METHOD_DEFINITION);
    boolean needsNewline = false;
    for (ErrorInfo errorInfo : errors) {
      if (needsNewline) {
        writer.appendString(",").writeNewline();
      }
      needsNewline = true;
      writer.writeExpression(new ModelGenErrorSingle(errorInfo));
    }
    writer.writeNewline();
    writer.finishScope(JavaFileWriter.Scope.METHOD_DEFINITION);
    writer.writeString("})");
    return true;
  }
}

private boolean emitPropertyReferenceArrayBody(boolean alias) throws IOException {
  for (PropertyGenerator propertyGenerator : modelSpec.getPropertyGenerators()) {
    Expression reference = Expressions.staticReference(modelSpec.getModelSpecName(),
        propertyGenerator.getPropertyName());
    if (alias) {
      VariableElement field = propertyGenerator.getField();
      if (field != null) {
        Alias aliasAnnotation = field.getAnnotation(Alias.class);
        if (aliasAnnotation != null && !AptUtils.isEmpty(aliasAnnotation.value().trim())) {
          reference = reference.callMethod("as", "\"" + aliasAnnotation.value().trim() + "\"");
        }
      }
    }
    writer.writeExpression(reference);
    writer.appendString(",\n");
  }
  return !AptUtils.isEmpty(modelSpec.getPropertyGenerators());
}

  @Override
  public boolean writeExpression(JavaFileWriter writer) throws IOException {
    writer.appendString("@")
        .appendString(writer.shortenName(MODEL_GEN_ERROR_INNER, false))
        .appendString("(specClass=")
        .appendExpression(Expressions.classObject(errorInfo.errorClass))
        .appendString(", ");
    if (!AptUtils.isEmpty(errorInfo.element)) {
      writer.appendString("element=\"")
          .appendString(errorInfo.element)
          .appendString("\", ");
    }
    writer.appendString("message=\"")
        .appendString(errorInfo.message)
        .appendString("\")");
    return true;
  }
}

  @Override
  public boolean writeExpression(JavaFileWriter writer) throws IOException {
    writer.appendExpression(condition)
        .appendString(" ? ")
        .appendExpression(ifTrue)
        .appendString(" : ")
        .appendExpression(ifFalse);
    return true;
  }
}

  @Override
  public boolean writeExpression(JavaFileWriter writer) throws IOException {
    writer.appendString("@")
        .appendString(writer.shortenName(MODEL_GEN_ERRORS, false))
        .appendString("({\n");
    writer.moveToScope(JavaFileWriter.Scope.METHOD_DEFINITION);
    boolean needsNewline = false;
    for (ErrorInfo errorInfo : errors) {
      if (needsNewline) {
        writer.appendString(",").writeNewline();
      }
      needsNewline = true;
      writer.writeExpression(new ModelGenErrorSingle(errorInfo));
    }
    writer.writeNewline();
    writer.finishScope(JavaFileWriter.Scope.METHOD_DEFINITION);
    writer.writeString("})");
    return true;
  }
}

private boolean emitPropertyReferenceArrayBody(boolean alias) throws IOException {
  for (PropertyGenerator propertyGenerator : modelSpec.getPropertyGenerators()) {
    Expression reference = Expressions.staticReference(modelSpec.getModelSpecName(),
        propertyGenerator.getPropertyName());
    if (alias) {
      VariableElement field = propertyGenerator.getField();
      if (field != null) {
        Alias aliasAnnotation = field.getAnnotation(Alias.class);
        if (aliasAnnotation != null && !AptUtils.isEmpty(aliasAnnotation.value().trim())) {
          reference = reference.callMethod("as", "\"" + aliasAnnotation.value().trim() + "\"");
        }
      }
    }
    writer.writeExpression(reference);
    writer.appendString(",\n");
  }
  return !AptUtils.isEmpty(modelSpec.getPropertyGenerators());
}