org.yaml.snakeyaml.DumperOptions.ScalarStyle Java Examples

public void testDoubleQuotedStyle() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.DOUBLE_QUOTED);
    options.setWidth(20);
    options.setIndent(4);
    Yaml yaml = new Yaml(options);
    String etalon = "12345678901234567890\n\n123  456";
    String output = yaml.dump(etalon);
    // System.out.println(output);
    assertEquals("\"12345678901234567890\\n\\\n    \\n123  456\"\n", output);
    String parsed = (String) yaml.load(output);
    assertEquals(etalon, parsed);
}
 

public void testWriteDoubleQuoted() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.DOUBLE_QUOTED);
    String folded = "0123456789 0123456789\n0123456789 0123456789";
    Map<String, String> map = new LinkedHashMap<String, String>();
    map.put("aaa", folded);
    map.put("bbb", "\nbla-bla");
    Yaml yaml = new Yaml(options);
    String output = yaml.dump(map);
    String etalon = "\"aaa\": \"0123456789 0123456789\\n0123456789 0123456789\"\n\"bbb\": \"\\nbla-bla\"\n";
    assertEquals(etalon, output);
}
 

public void testWriteSingleQuoted() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.SINGLE_QUOTED);
    String folded = "0123456789 0123456789\n0123456789 0123456789";
    Map<String, String> map = new LinkedHashMap<String, String>();
    map.put("aaa", folded);
    map.put("bbb", "\nbla-bla");
    Yaml yaml = new Yaml(options);
    String output = yaml.dump(map);
    String etalon = "'aaa': '0123456789 0123456789\n\n  0123456789 0123456789'\n'bbb': '\n\n  bla-bla'\n";
    assertEquals(etalon, output);
}
 

public void testWritePlainPretty() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.PLAIN);
    options.setPrettyFlow(true);

    String folded = "0123456789 0123456789\n0123456789 0123456789";
    Map<String, String> map = new LinkedHashMap<String, String>();
    map.put("aaa", folded);
    map.put("bbb", "\nbla-bla");

    Yaml yaml = new Yaml(options);
    String output = yaml.dump(map);
    String etalon = "aaa: |-\n  0123456789 0123456789\n  0123456789 0123456789\nbbb: |2-\n\n  bla-bla\n";
    assertEquals(etalon, output);
}
 

public void testWritePlain() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.PLAIN);
    String folded = "0123456789 0123456789\n0123456789 0123456789";
    Map<String, String> map = new LinkedHashMap<String, String>();
    map.put("aaa", folded);
    map.put("bbb", "\nbla-bla");
    Yaml yaml = new Yaml(options);
    String output = yaml.dump(map);
    String etalon = "aaa: |-\n  0123456789 0123456789\n  0123456789 0123456789\nbbb: |2-\n\n  bla-bla\n";
    assertEquals(etalon, output);
}
 

public void testWriteLiteral() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.LITERAL);
    String folded = "0123456789 0123456789 0123456789 0123456789";
    Map<String, String> map = new LinkedHashMap<String, String>();
    map.put("aaa", folded);
    map.put("bbb", "\nbla-bla\n");
    Yaml yaml = new Yaml(options);
    String output = yaml.dump(map);
    String etalon = "\"aaa\": |-\n  0123456789 0123456789 0123456789 0123456789\n\"bbb\": |2\n\n  bla-bla\n";
    assertEquals(etalon, output);
}
 

public void testWriteFolded() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.FOLDED);
    String folded = "0123456789 0123456789\n0123456789 0123456789";
    Map<String, String> map = new LinkedHashMap<String, String>();
    map.put("aaa", folded);
    map.put("bbb", "\nbla-bla\n");
    Yaml yaml = new Yaml(options);
    String output = yaml.dump(map);
    String etalon = "\"aaa\": >-\n  0123456789 0123456789\n\n  0123456789 0123456789\n\"bbb\": >2\n\n  bla-bla\n";
    assertEquals(etalon, output);
}
 

public void testExample_2_15() {
    String etalon = "Sammy Sosa completed another fine season with great stats.\n\n  63 Home Runs\n  0.288 Batting Average\n\nWhat a year!\n";
    InputStream input = YamlDocument.class.getClassLoader().getResourceAsStream(
            YamlDocument.ROOT + "example2_15.yaml");
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.FOLDED);
    Yaml yaml = new Yaml(options);
    String data = (String) yaml.load(input);
    assertEquals(etalon, data);
    //
    String dumped = yaml.dump(data);
    String etalonDumped = Util.getLocalResource("specification/example2_15_dumped.yaml");
    assertEquals(etalonDumped, dumped);
}
 

public void testLong() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.FOLDED);
    Yaml yaml = new Yaml(options);
    String result = yaml
            .dump("qqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqq "
                    + "qqqqqqqqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqq "
                    + "qqqqqqqqqqqqqqqqqqqqqqqqq 111111111111111111111111\n "
                    + "qqqqqqqqqqqqqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqqqqq\n");
    // System.out.println(result);
    assertTrue(result.startsWith(">\n"));
    assertEquals(
            ">\n  qqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqq\n  qqqqqqqqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqqq 111111111111111111111111\n   qqqqqqqqqqqqqqqqqqqqqqqqqqqqq qqqqqqqqqqqqqqqqqqqqqqqqqqq\n",
            result);
}
 

public void testDoubleQuotedStyleNoLineSplit() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.DOUBLE_QUOTED);
    options.setWidth(20);
    options.setSplitLines(false);
    options.setIndent(4);
    Yaml yaml = new Yaml(options);
    String etalon = "12345678901234567890\n\n123  456";
    String output = yaml.dump(etalon);
    // System.out.println(output);
    assertEquals("\"12345678901234567890\\n\\n123  456\"\n", output);
    String parsed = (String) yaml.load(output);
    assertEquals(etalon, parsed);
}
 

public void testDoubleQuotedStyle() {
    DumperOptions options = new DumperOptions();
    options.setDefaultScalarStyle(ScalarStyle.DOUBLE_QUOTED);
    Yaml yaml = new Yaml(options);
    String output = yaml.dump("í");
    // System.out.println(output);
    assertEquals("\"í\"\n", output);
}
 

@SuppressWarnings("deprecation")
private void processScalar() throws IOException {
    ScalarEvent ev = (ScalarEvent) event;
    if (analysis == null) {
        analysis = analyzeScalar(ev.getValue());
    }
    if (style == null) {
        style = chooseScalarStyle();
    }
    // TODO the next line should be removed
    style = options.calculateScalarStyle(analysis, ScalarStyle.createStyle(style)).getChar();
    boolean split = !simpleKeyContext;
    if (style == null) {
        writePlain(analysis.scalar, split);
    } else {
        switch (style) {
        case '"':
            writeDoubleQuoted(analysis.scalar, split);
            break;
        case '\'':
            writeSingleQuoted(analysis.scalar, split);
            break;
        case '>':
            writeFolded(analysis.scalar);
            break;
        case '|':
            writeLiteral(analysis.scalar);
            break;
        default:
            throw new YAMLException("Unexpected style: " + style);
        }
    }
    analysis = null;
    style = null;
}
 

public ScalarNode(Tag tag, boolean resolved, String value, Mark startMark, Mark endMark,
                  DumperOptions.ScalarStyle style) {
    super(tag, startMark, endMark);
    if (value == null) {
        throw new NullPointerException("value in a Node is required.");
    }
    this.value = value;
    if (style == null) throw new NullPointerException("Scalar style must be provided.");
    this.style = style;
    this.resolved = resolved;
}
 

public ScalarNode(Tag tag, String value) {
    this(tag, value, null, null, ScalarStyle.PLAIN);
}
 

private Yaml createYaml() {
    DumperOptions options = new DumperOptions();
    options.setAllowUnicode(false);
    options.setDefaultScalarStyle(ScalarStyle.DOUBLE_QUOTED);
    return new Yaml(options);
}
 

public void setDefaultScalarStyle(ScalarStyle defaultStyle) {
    this.defaultScalarStyle = defaultStyle.getChar();
}
 

public void setDefaultScalarStyle(ScalarStyle defaultStyle) {
    this.defaultScalarStyle = defaultStyle.getChar();
}
 

public boolean isPlain() {
    return  style == DumperOptions.ScalarStyle.PLAIN;
}
 

public ScalarNode(Tag tag, String value, Mark startMark, Mark endMark, DumperOptions.ScalarStyle style) {
    this(tag, true, value, startMark, endMark, style);
}
 

/**
 * Get scalar style of this node.
 *
 * @see org.yaml.snakeyaml.events.ScalarEvent
 * @see <a href="http://yaml.org/spec/1.1/#id903915">Chapter 9. Scalar
 *      Styles</a>
 * @return style of this scalar node
 */
public DumperOptions.ScalarStyle getStyle() {
    return style;
}