Package com.pixelmed.dicom

Class SpecificCharacterSet

java.lang.Object
com.pixelmed.dicom.SpecificCharacterSet
public class SpecificCharacterSet extends Object

A class to encapsulate the functionality defined by the DICOM Specific Character Set attribute, including the ability to parse the string values of the attribute and then apply the appropriate character conversions from byte array values into Java's internal Unicode representation contained in String.

  • Constructor Details

    • SpecificCharacterSet

      public SpecificCharacterSet(AttributeList list)

      Construct a character set handler capable of handling characters from all the values of the string attributes of a dataset.

      Parameters:
      list - the list of attributes

    • SpecificCharacterSet

      public SpecificCharacterSet(Set setOfUnicodeBlocks)

      Construct a character set handler capable of handling characters from the specified set of Character.UnicodeBlocks.

      Parameters:
      setOfUnicodeBlocks - the set of Character.UnicodeBlocks that need to be encodable

    • SpecificCharacterSet

      public SpecificCharacterSet(String[] specificCharacterSetAttributeValues)

      Construct a character set handler from the values of the Specific Character Set attribute.

      Parameters:
      specificCharacterSetAttributeValues - the values of Specific Character Set

    • SpecificCharacterSet

      public SpecificCharacterSet(String[] specificCharacterSetAttributeValues, byte[] specificCharacterSetByteValues)

      Construct a character set handler from the values of the Specific Character Set attribute.

      Parameters:
      specificCharacterSetAttributeValues - the values of Specific Character Set as String
      specificCharacterSetByteValues - the values of Specific Character Set as byte[]

  • Method Details

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • byteArrayContainsNonASCIIValues

      public static boolean byteArrayContainsNonASCIIValues(byte[] bytes, int offset, int length)

      Check a byte array for the presence of non-ASCII bytes.

      Parameters:
      bytes - the bytes to check
      offset - the offset into the byte array
      length - how many bytes to check

    • byteArrayContainsNonASCIIValues

      public static boolean byteArrayContainsNonASCIIValues(byte[] bytes)

      Check a byte array for the presence of non-ASCII bytes.

      Parameters:
      bytes - the bytes to check

    • getSuitableEncodingFromSetOfUnicodeBlocks

      public static String getSuitableEncodingFromSetOfUnicodeBlocks(Set setOfUnicodeBlocks)

      Get an encoding capable of handling characters from the specified set of Character.UnicodeBlockss.

      Parameters:
      setOfUnicodeBlocks - the set of Character.UnicodeBlocks that need to be encodable
      Returns:
      an encoding to feed to

    • getSetOfUnicodeBlocksUsedBy

      public static Set getSetOfUnicodeBlocksUsedBy(String value)

      Get the set of Character.UnicodeBlocks used in a string.

      Parameters:
      value - the string
      Returns:
      a Set of Character.UnicodeBlocks

    • getSetOfUnicodeBlocksUsedBy

      public static Set getSetOfUnicodeBlocksUsedBy(AttributeList list)

      Get the set of Character.UnicodeBlocks used in all of the values of the string attributes of a dataset.

      Recurses into SequenceAttributes.

      Parameters:
      list - the list of attributes
      Returns:
      a Set of Character.UnicodeBlocks

    • getValueToUseInSpecificCharacterSetAttribute

      public String getValueToUseInSpecificCharacterSetAttribute()

    • translateByteArrayToString

      public String translateByteArrayToString(byte[] bytes, int offset, int length)

      Translate a byte array (such as a value from a DICOM attribute), using the specified Specific Character Set, into a String.

      Parameters:
      bytes - the bytes to translate
      offset - the offset into the byte array to start translation
      length - how many bytes to translate
      Returns:
      the string decoded according to the specific character set

    • translateStringToByteArray

      public byte[] translateStringToByteArray(String string) throws UnsupportedEncodingException

      Encode a string into a byte array.

      Does not currently support ISO 2022 (or JIS 0208 or 0212 if 1.4.1 bug present).

      Parameters:
      string - the string to be encoded
      Returns:
      the byte array encoded according to the specific character set
      Throws:
      UnsupportedEncodingException

    • main

      public static void main(String[] args)
      Parameters:
      args -