Examples of java.text.AttributedString

java.text.AttributedString
An AttributedString holds text and related attribute information. It may be used as the actual data storage in some cases where a text reader wants to access attributed text through the AttributedCharacterIterator interface.
An attribute is a key/value pair, identified by the key. No two attributes on a given character can have the same key.
The values for an attribute are immutable, or must not be mutated by clients or storage. They are always passed by reference, and not cloned. @see AttributedCharacterIterator @see Annotation @since 1.2

  }


  private void testConstructor2(TestHarness harness) 
  {
    harness.checkPoint("AttributedString(AttributedCharacterIterator, int, int);");
    AttributedString source = new AttributedString("ABCDEFGHIJ");
    AttributedCharacterIterator sourceACI = source.getIterator();
    
    // should get an IllegalArgumentException if the start index is outside the
    // valid range
    boolean pass = false;
    try
    {
      /*AttributedString as =*/ new AttributedString(sourceACI, -1, 2);
    }
    catch (IllegalArgumentException e)
    {
      pass = true;
    }
    harness.check(pass);


    // should get an IllegalArgumentException if the end index is outside the
    // valid range
    pass = false;
    try
    {
      /*AttributedString as =*/ new AttributedString(sourceACI, 2, 12);
    }
    catch (IllegalArgumentException e)
    {
      pass = true;
    }
    harness.check(pass);
    
    // it isn't specified, but we assume a NullPointerException if the iterator
    // is null
    pass = false;
    try
    {
      /* AttributedString as = */ 
          new AttributedString((AttributedCharacterIterator) null, 1, 5);
    }
    catch (NullPointerException e)
    {
      pass = true;
    }

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  private void testConstructor3(TestHarness harness) 
  {
    harness.checkPoint("AttributedString(AttributedCharacterIterator, int, int," +
                "AttributedCharacterIterator.Attribute[]);");
    
    AttributedString as0 = new AttributedString("ABCDEFGHIJ");
    as0.addAttribute(TextAttribute.LANGUAGE, "English");
    as0.addAttribute(TextAttribute.FOREGROUND, Color.red, 2, 4);
    as0.addAttribute(TextAttribute.BACKGROUND, Color.yellow, 3, 5);
    
    // try extracting no attributes...
    AttributedString as = new AttributedString(as0.getIterator(), 1, 8, 
            new AttributedCharacterIterator.Attribute[] {});
    AttributedCharacterIterator aci = as.getIterator();
    harness.check(aci.getRunLimit(TextAttribute.LANGUAGE), 7);
    harness.check(aci.getRunLimit(TextAttribute.FOREGROUND), 7);
    harness.check(aci.getRunLimit(TextAttribute.BACKGROUND), 7);
    
    // try extracting just one attribute...
    as = new AttributedString(as0.getIterator(), 1, 8, 
            new AttributedCharacterIterator.Attribute[] {TextAttribute.FOREGROUND});
    aci = as.getIterator();
    harness.check(aci.getRunLimit(TextAttribute.LANGUAGE), 7);
    harness.check(aci.getRunLimit(TextAttribute.FOREGROUND), 1);
    aci.setIndex(1);
    harness.check(aci.getRunLimit(TextAttribute.LANGUAGE), 7);
    harness.check(aci.getRunLimit(TextAttribute.FOREGROUND), 3);
    aci.setIndex(3);
    harness.check(aci.getRunLimit(TextAttribute.LANGUAGE), 7);
    harness.check(aci.getRunLimit(TextAttribute.FOREGROUND), 7);
    
    // null iterator should throw NullPointerException
    boolean pass = false;
    try
    {
      /*AttributedString as =*/ new AttributedString(null, 0, 3, 
            new AttributedCharacterIterator.Attribute[] {TextAttribute.FONT});
    }
    catch (NullPointerException e)
    {
      pass = true;
    }
    harness.check(pass);
    
    // try start > string length
    AttributedString as1 = new AttributedString("ABC");
    
    pass = false;
    try
    {
      /*AttributedString as =*/ new AttributedString(as1.getIterator(), 3, 4, 
            new AttributedCharacterIterator.Attribute[] {TextAttribute.FONT});
    }
    catch (IllegalArgumentException e)
    {
      pass = true;
    }
    harness.check(pass);


    // try end > string length
    pass = false;
    try
    {
      /*AttributedString as =*/ new AttributedString(as1.getIterator(), 1, 4, 
            new AttributedCharacterIterator.Attribute[] {TextAttribute.FONT});
    }
    catch (IllegalArgumentException e)
    {
      pass = true;
    }
    harness.check(pass);
    
    // try start > end
    pass = false;
    try
    {
      /*AttributedString as =*/ new AttributedString(as1.getIterator(), 1, 0, 
            new AttributedCharacterIterator.Attribute[] {TextAttribute.FONT});
    }
    catch (IllegalArgumentException e)
    {
      pass = true;

View Full Code Here

    
    // try null argument - the API spec doesn't say what happens.
    boolean pass = false;
    try
    {
      /* AttributedString as = */ new AttributedString((String) null);   
    }
    catch (NullPointerException e) 
    {
      pass = true;   
    }

View Full Code Here

  private void testConstructor5(TestHarness harness) 
  {
    harness.checkPoint("AttributedString(String, map);");
    HashMap map = new HashMap();
    map.put(AttributedCharacterIterator.Attribute.LANGUAGE, "English");    
    AttributedString as = new AttributedString("ABC", map);
    AttributedCharacterIterator aci = as.getIterator();
    harness.check(aci.first() == 'A');
    harness.check(aci.getAttribute(AttributedCharacterIterator.Attribute.LANGUAGE).equals("English"));
    harness.check(aci.getRunLimit() == 3);
    harness.check(aci.getRunStart() == 0);
    
    // test null string - not specified, assuming NullPointerException
    boolean pass = false;
    try 
    {
      /* AttributedString as = */ new AttributedString(null, new HashMap());   
    }
    catch (NullPointerException e) 
    {
      pass = true;   
    }
    harness.check(pass);
    
    // test null map - not specified, assuming NullPointerException.
    pass = false;
    try
    {
      /* AttributedString as = */ new AttributedString("ABC", null);
    }
    catch (NullPointerException e)
    {
      pass = true;   
    }
    harness.check(true);
    
    // test empty string with non-empty map
    pass = false;
    try
    {
      /* AttributedString as = */ new AttributedString("", map);   
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }

View Full Code Here

   * @param harness  the test harness (<code>null</code> not allowed).
   */
  public void test(TestHarness harness) 
  {
    harness.checkPoint("addAttributes(Map, int, int)"); 
    AttributedString as = new AttributedString("ABCDEFG");
    HashMap attributes = new HashMap();
    attributes.put(TextAttribute.BACKGROUND, Color.red);
    attributes.put(TextAttribute.FOREGROUND, Color.yellow);
    as.addAttributes(attributes, 2, 4);
    AttributedCharacterIterator aci = as.getIterator();
    aci.first();
    harness.check(aci.getRunStart(TextAttribute.BACKGROUND), 0);
    harness.check(aci.getRunLimit(TextAttribute.BACKGROUND), 2);
    aci.next();
    aci.next();
    harness.check(aci.getRunStart(TextAttribute.BACKGROUND), 2);
    harness.check(aci.getRunLimit(TextAttribute.BACKGROUND), 4);
    aci.next();
    aci.next();
    harness.check(aci.getRunStart(TextAttribute.BACKGROUND), 4);
    harness.check(aci.getRunLimit(TextAttribute.BACKGROUND), 7);


    // check null map
    boolean pass = false;
    try
    {
      as.addAttributes(null, 2, 4);   
    }
    catch (NullPointerException e) 
    {
      pass = true;   
    }
    harness.check(pass);
    
    // check negative beginIndex
    pass = false;
    try
    {
      as.addAttributes(attributes, -1, 4);   
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }
    harness.check(pass);
    
    // check endIndex > string length
    pass = false;
    try
    {
      as.addAttributes(attributes, 2, 8);   
    }
    catch (IllegalArgumentException e) 
    {
      pass = true;   
    }
    harness.check(pass);
    
    // check indices with zero range
    pass = false;
    try
    {
      as.addAttributes(attributes, 2, 2);
    }
    catch (IllegalArgumentException e)
    {
      pass = true;   
    }

View Full Code Here

   */
  public void test(TestHarness harness) 
  {
    harness.checkPoint("getAttribute(AttributedCharacterIterator.Attribute);");


    AttributedString as = new AttributedString("ABCDEFG");
    as.addAttribute(TextAttribute.LANGUAGE, "English");
    AttributedCharacterIterator aci = as.getIterator();
    
    harness.check(aci.getAttribute(TextAttribute.LANGUAGE), "English");
    harness.check(aci.getAttribute(TextAttribute.FONT), null);
    
    // try null attribute

View Full Code Here

  }
  
  public void test1(TestHarness harness) 
  {
    harness.checkPoint("getIterator()"); 
    AttributedString as = new AttributedString("ABC");
    AttributedCharacterIterator aci = as.getIterator();
    harness.check(aci.current() == 'A');
    harness.check(aci.next() == 'B');
    harness.check(aci.next() == 'C');
    harness.check(aci.next() == CharacterIterator.DONE);


    AttributedString as2 = new AttributedString("");
    AttributedCharacterIterator aci2 = as2.getIterator();
    harness.check(aci2.current() == CharacterIterator.DONE);
  }

View Full Code Here

  }


  public void test2(TestHarness harness) 
  {
    harness.checkPoint("getIterator(AttributedCharacterIterator.Attribute[])");
    AttributedString as = new AttributedString("ABCDEF");
    as.addAttribute(AttributedCharacterIterator.Attribute.LANGUAGE, Locale.FRENCH);
    as.addAttribute(TextAttribute.BACKGROUND, Color.red, 0, 3);
    as.addAttribute(TextAttribute.FOREGROUND, Color.blue, 2, 4);
    AttributedCharacterIterator.Attribute[] attributes = new AttributedCharacterIterator.Attribute[2];
    attributes[0] = TextAttribute.BACKGROUND;
    attributes[1] = TextAttribute.FOREGROUND;
    AttributedCharacterIterator aci = as.getIterator(attributes);
    harness.check(aci.getAttribute(TextAttribute.BACKGROUND), Color.red);
    harness.check(aci.getAttribute(TextAttribute.FOREGROUND), null);
    harness.check(aci.next() == 'B');
    harness.check(aci.getAttribute(TextAttribute.BACKGROUND), Color.red);
    harness.check(aci.getAttribute(TextAttribute.FOREGROUND), null);
    harness.check(aci.next() == 'C');
    harness.check(aci.getAttribute(TextAttribute.BACKGROUND), Color.red);
    harness.check(aci.getAttribute(TextAttribute.FOREGROUND), Color.blue);
    harness.check(aci.next() == 'D');
    harness.check(aci.getAttribute(TextAttribute.BACKGROUND), null);
    harness.check(aci.getAttribute(TextAttribute.FOREGROUND), Color.blue);
    harness.check(aci.next() == 'E');
    harness.check(aci.getAttribute(TextAttribute.BACKGROUND), null);
    harness.check(aci.getAttribute(TextAttribute.FOREGROUND), null);
    harness.check(aci.next() == 'F');
    harness.check(aci.getAttribute(TextAttribute.BACKGROUND), null);
    harness.check(aci.getAttribute(TextAttribute.FOREGROUND), null);
    
    // a null argument is equivalent to a regular iterator
    AttributedString as2 = new AttributedString("ABC");
    AttributedCharacterIterator aci2 = as2.getIterator(null);
    harness.check(aci2.current() == 'A');
    harness.check(aci2.next() == 'B');
    harness.check(aci2.next() == 'C');
    harness.check(aci2.next() == CharacterIterator.DONE);


    AttributedString as3 = new AttributedString("");
    AttributedCharacterIterator aci3 = as3.getIterator(null);
    harness.check(aci3.current() == CharacterIterator.DONE);
  }

View Full Code Here

  }


  private void test1(TestHarness harness) 
  {
    harness.checkPoint("getRunStart();");
    AttributedString as = new AttributedString("ABCDEFG");
    as.addAttribute(TextAttribute.LANGUAGE, "English");
    as.addAttribute(TextAttribute.FOREGROUND, Color.red, 2, 4);
    AttributedCharacterIterator aci = as.getIterator();
    harness.check(aci.getRunStart(), 0);
    aci.setIndex(3);
    harness.check(aci.getRunStart(), 2);
  }

View Full Code Here

    
    // if beginIndex < 0, there should be an IllegalArgumentException
    boolean pass = false;
    try
    {
      AttributedString as = new AttributedString("ABC");
      as.getIterator(null, -1, 1);
    }
    catch (IllegalArgumentException e)
    {
      pass = true;  
    }
    harness.check(pass);
    
    // if end index > length of string, there should be an 
    // IllegalArgumentException
    pass = false;
    try
    {
      AttributedString as = new AttributedString("XYZ");
      as.getIterator(null, 2, 4);
    }
    catch (IllegalArgumentException e)
    {
      pass = true;
    }
    harness.check(true);
    
    // if start index > end index, there should be an IllegalArgumentException
    pass = false;
    try
    {
      AttributedString as = new AttributedString("123");
      as.getIterator(null, 2, 1);    
    }
    catch (IllegalArgumentException e)
    {
      pass = true;  
    }

View Full Code Here

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