Package com.google.common.escape

Examples of com.google.common.escape.UnicodeEscaper

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    // The escape character must always be escaped
    assertEscaping(e, "%25", '%');
  }

  public void testUrlFormParameterEscaper() {
    UnicodeEscaper e = (UnicodeEscaper) urlFormParameterEscaper();
    // Verify that these are the same escaper (as documented)
    assertSame(e, urlFormParameterEscaper());
    assertBasicUrlEscaper(e);

    /*
     * Specified as safe by RFC 2396 but not by java.net.URLEncoder. These tests will start failing
     * when the escaper is made compliant with RFC 2396, but that's a good thing (just change them
     * to assertUnescaped).
     */
    assertEscaping(e, "%21", '!');
    assertEscaping(e, "%28", '(');
    assertEscaping(e, "%29", ')');
    assertEscaping(e, "%7E", '~');
    assertEscaping(e, "%27", '\'');

    // Plus for spaces
    assertEscaping(e, "+", ' ');
    assertEscaping(e, "%2B", '+');

    assertEquals("safe+with+spaces", e.escape("safe with spaces"));
    assertEquals("foo%40bar.com", e.escape("foo@bar.com"));
  }
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    assertEquals("safe+with+spaces", e.escape("safe with spaces"));
    assertEquals("foo%40bar.com", e.escape("foo@bar.com"));
  }

  public void testUrlPathSegmentEscaper() {
    UnicodeEscaper e = (UnicodeEscaper) urlPathSegmentEscaper();
    assertPathEscaper(e);
    assertUnescaped(e, '+');
  }
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    assertEquals("safe%20with%20spaces", e.escape("safe with spaces"));
    assertEquals("foo@bar.com", e.escape("foo@bar.com"));
  }

  public void testUrlFragmentEscaper() {
    UnicodeEscaper e = (UnicodeEscaper) urlFragmentEscaper();
    assertUnescaped(e, '+');
    assertUnescaped(e, '/');
    assertUnescaped(e, '?');

    assertPathEscaper(e);
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@GwtCompatible
public class PercentEscaperTest extends TestCase {

  /** Tests that the simple escaper treats 0-9, a-z and A-Z as safe */
  public void testSimpleEscaper() {
    UnicodeEscaper e = new PercentEscaper("", false);
    for (char c = 0; c < 128; c++) {
      if ((c >= '0' && c <= '9') ||
          (c >= 'a' && c <= 'z') ||
          (c >= 'A' && c <= 'Z')) {
        assertUnescaped(e, c);
      } else {
        assertEscaping(e, escapeAscii(c), c);
      }
    }

    // Testing mutlibyte escape sequences
    assertEscaping(e, "%00", '\u0000');       // nul
    assertEscaping(e, "%7F", '\u007f');       // del
    assertEscaping(e, "%C2%80", '\u0080');    // xx-00010,x-000000
    assertEscaping(e, "%DF%BF", '\u07ff');    // xx-11111,x-111111
    assertEscaping(e, "%E0%A0%80", '\u0800'); // xxx-0000,x-100000,x-00,0000
    assertEscaping(e, "%EF%BF%BF", '\uffff'); // xxx-1111,x-111111,x-11,1111
    assertUnicodeEscaping(e, "%F0%90%80%80", '\uD800', '\uDC00');
    assertUnicodeEscaping(e, "%F4%8F%BF%BF", '\uDBFF', '\uDFFF');

    // simple string tests
    assertEquals("", e.escape(""));
    assertEquals("safestring", e.escape("safestring"));
    assertEquals("embedded%00null", e.escape("embedded\0null"));
    assertEquals("max%EF%BF%BFchar", e.escape("max\uffffchar"));
  }
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    assertEquals("max%EF%BF%BFchar", e.escape("max\uffffchar"));
  }

  /** Tests the various ways that the space character can be handled */
  public void testPlusForSpace() {
    UnicodeEscaper basicEscaper = new PercentEscaper("", false);
    UnicodeEscaper plusForSpaceEscaper = new PercentEscaper("", true);
    UnicodeEscaper spaceEscaper = new PercentEscaper(" ", false);

    assertEquals("string%20with%20spaces",
        basicEscaper.escape("string with spaces"));
    assertEquals("string+with+spaces",
        plusForSpaceEscaper.escape("string with spaces"));
    assertEquals("string with spaces",
        spaceEscaper.escape("string with spaces"));
  }
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        spaceEscaper.escape("string with spaces"));
  }

  /** Tests that if we add extra 'safe' characters they remain unescaped */
  public void testCustomEscaper() {
    UnicodeEscaper e = new PercentEscaper("+*/-", false);
    for (char c = 0; c < 128; c++) {
      if ((c >= '0' && c <= '9') ||
          (c >= 'a' && c <= 'z') ||
          (c >= 'A' && c <= 'Z') ||
          "+*/-".indexOf(c) >= 0) {
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    }
  }

  /** Tests that if specify '%' as safe the result is an idempotent escaper. */
  public void testCustomEscaper_withpercent() {
    UnicodeEscaper e = new PercentEscaper("%", false);
    assertEquals("foo%7Cbar", e.escape("foo|bar"));
    assertEquals("foo%7Cbar", e.escape("foo%7Cbar"));  // idempotent
  }
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Related Classes of com.google.common.escape.UnicodeEscaper

  • com.google.common.net.PercentEscaperTest
  • com.google.common.net.UrlEscapersTest
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