```Python hl_lines="10  12-13"
{!../../docs_src/middleware/tutorial001.py!}
```

## Outros middlewares

Mais tarde, você pode ler mais sobre outros middlewares no [Guia do usuário avançado: Middleware avançado](../advanced/middleware.md){.internal-link target=_blank}.

func ConvertSliceOfMapToValuesForCreate(stmt *gorm.Statement, mapValues []map[string]interface{}) (values clause.Values) {
	columns := make([]string, 0, len(mapValues))

	// when the length of mapValues is zero,return directly here
	// no need to call stmt.SelectAndOmitColumns method
	if len(mapValues) == 0 {
		stmt.AddError(gorm.ErrEmptySlice)
		return
	}

	var (
		result                    = make(map[string][]interface{}, len(mapValues))

    private static final Pattern QUOTE_REPLACE_PATTERN = Pattern.compile("^\"([^\"]+)\"$");

    private static final String ESCAPED_QUOTE = "\"\"";

    private KuromojiCSVUtil() {
    } // no instance!!!

    /**
     * Parse CSV line
     *
     * @param line
     *            line containing csv-encoded data
     * @return Array of values
     */

   * or extract a variable, and put the suppression on that. However, a local variable typically
   * doesn't work: Because nullness analyses typically infer the nullness of local variables,
   * there's no way to assign a {@code @Nullable T} to a field {@code T foo;} and instruct the
   * analysis that that means "plain {@code T}" rather than the inferred type {@code @Nullable T}.

        when(project.getArtifactId()).thenReturn("standalone-pom");
        when(project.getPackaging()).thenReturn("pom");
        when(project.getName()).thenReturn("Maven Stub Project (No POM)");
        when(project.getVersion()).thenReturn("1");
        when(event.getProject()).thenReturn(project);
        when(project.getFile()).thenReturn(null);
        when(project.getBasedir()).thenReturn(basedir);

		return false, "", fmt.Errorf("no registered annotation with name=%s", name)
	}
	// use annotation value if present
	if val, found := annotations[annotationRegistry[name].key]; found {
		if err := annotationRegistry[name].validator(val); err != nil {
			return true, annotationRegistry[name].defaultVal, err
		}
		return true, val, nil
	}
	// no annotation found so use default value

        val extraCompileJava = if (descriptor.language != Language.JAVA) """
     > Task :$subprojectName:compileJava NO-SOURCE

        """.trimIndent() else ""
        val extraCompileTestJava = if (descriptor.language != Language.JAVA) """
     > Task :$subprojectName:compileTestJava NO-SOURCE

        """.trimIndent() else ""
        val extraKotlinCheckTask = if (descriptor.language === Language.KOTLIN) """

    String expected = "abcdabcd";

    // read the first 8 chars manually, since there's no equivalent to ByteSource.slice
    // TODO(cgdecker): Add CharSource.slice?
    StringBuilder builder = new StringBuilder();
    Reader reader = concatenated.openStream(); // no need to worry about closing
    for (int i = 0; i < 8; i++) {
      builder.append((char) reader.read());
    }

12"],["LT",20,"F05F11"],["LU",20,"F03A13"],["LV",21,"U04A13"],["MC",27,"F05F05A11F02"],["MD",24,"U02A18"],["ME",22,"F03F13F02"],["MK",19,"F03A10F02"],["MR",27,"F05F05F11F02"],["MT",31,"U04F05A18"],["MU",30,"U04F02F02F12F03U03"],["NL",18,"U04F10"],["NO",15,"F04F06F01"],["PK",24,"U04A16"],["PL",28,"F08F16"],["PS",29,"U04A21"],["PT",25,"F04F04F11F02"],["RO",24,"U04A16"],["RS",22,"F03F13F02"],["SA",24,"F02A18"],["SE",24,"F03F16F01"],["SI",19,"F05F08F02"],["SK",24,"F04F06F10"],["SM",27,"U01F05F05A12"...

    assertThat(inflater.inflate(deflatedValue2)).isEqualTo(goldenValue2)

    assertThat(deflatedValue2.size).isLessThan(deflatedValue1.size)
  }

  @Test fun `inflate deflate with no context takeover`() {
    val deflater = MessageDeflater(true)
    val inflater = MessageInflater(true)

    val goldenValue1 = "Hello deflate!".repeat(100).encodeUtf8()
    val deflatedValue1 = deflater.deflate(goldenValue1)