com.pixelmed.dicom
Class TextAttribute

java.lang.Object
  com.pixelmed.dicom.Attribute
      com.pixelmed.dicom.TextAttribute

Direct Known Subclasses:

LongTextAttribute, ShortTextAttribute, UnlimitedTextAttribute

public abstract class TextAttribute
extends Attribute

An abstract class specializing Attribute for the family of text attributes.

Field Summary

protected SpecificCharacterSet

specificCharacterSet

Fields inherited from class com.pixelmed.dicom.Attribute

valueLength, valueMultiplicity

Constructor Summary

protected	TextAttribute(AttributeTag t) Construct an (empty) attribute; called only by concrete sub-classes.
protected	TextAttribute(AttributeTag t, long vl, DicomInputStream i, SpecificCharacterSet specificCharacterSet) Read an attribute from an input stream; called only by concrete sub-classes.
protected	TextAttribute(AttributeTag t, Long vl, DicomInputStream i, SpecificCharacterSet specificCharacterSet) Read an attribute from an input stream; called only by concrete sub-classes.
protected	TextAttribute(AttributeTag t, SpecificCharacterSet specificCharacterSet) Construct an (empty) attribute; called only by concrete sub-classes.

Method Summary

void	addValue(String v) Add a(nother) String value after any existing values of this attribute.
byte[]	getByteValues() Get the values of this attribute as a byte array.
long	getPaddedVL() Get the value length of this attribute, accounting for the need for even-length padding.
String[]	getStringValues(NumberFormat format) Get the values of this attribute as strings.
void	removeValues() Remove any existing values, making the attribute empty (zero length).
String	toString(DicomDictionary dictionary) Dump the contents of the attribute as a human-readable string.
protected String	translateByteArrayToString(byte[] bytes, int offset, int length) Decode a byte array into a string.
protected byte[]	translateStringToByteArray(String string) Encode a string into a byte array.
void	write(DicomOutputStream o) Write the entire attribute (including values) to the output stream.

Methods inherited from class com.pixelmed.dicom.Attribute

addValue, addValue, addValue, addValue, addValue, addValue, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrDefault, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrEmptyString, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDelimitedStringValuesOrNull, getDoubleValues, getDoubleValues, getDoubleValues, getElement, getFloatValues, getFloatValues, getFloatValues, getGroup, getIntegerValues, getIntegerValues, getIntegerValues, getLongValues, getLongValues, getLongValues, getOriginalStringValues, getShortValues, getSingleDoubleValueOrDefault, getSingleDoubleValueOrDefault, getSingleDoubleValueOrDefault, getSingleFloatValueOrDefault, getSingleFloatValueOrDefault, getSingleFloatValueOrDefault, getSingleIntegerValueOrDefault, getSingleIntegerValueOrDefault, getSingleIntegerValueOrDefault, getSingleLongValueOrDefault, getSingleLongValueOrDefault, getSingleLongValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrDefault, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrEmptyString, getSingleStringValueOrNull, getSingleStringValueOrNull, getSingleStringValueOrNull, getSingleStringValueOrNull, getSingleStringValueOrNull, getSingleStringValueOrNull, getStringValues, getStringValues, getStringValues, getStringValues, getStringValues, getTag, getVL, getVM, getVR, getVRAsString, setValue, setValue, setValue, setValue, setValue, setValue, setValue, setValues, setValues, setValues, setValues, toString, writeBase

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

specificCharacterSet

protected SpecificCharacterSet specificCharacterSet

Constructor Detail

TextAttribute

protected TextAttribute(AttributeTag t)

Construct an (empty) attribute; called only by concrete sub-classes.

Parameters:

t - the tag of the attribute

TextAttribute

protected TextAttribute(AttributeTag t,
                        SpecificCharacterSet specificCharacterSet)

Construct an (empty) attribute; called only by concrete sub-classes.

Parameters:

t - the tag of the attribute

specificCharacterSet - the character set to be used for the text

TextAttribute

protected TextAttribute(AttributeTag t,
                        long vl,
                        DicomInputStream i,
                        SpecificCharacterSet specificCharacterSet)
                 throws IOException,
                        DicomException

Read an attribute from an input stream; called only by concrete sub-classes.

Parameters:

t - the tag of the attribute

vl - the value length of the attribute

i - the input stream

specificCharacterSet - the character set to be used for the text

Throws:

IOException

DicomException

TextAttribute

protected TextAttribute(AttributeTag t,
                        Long vl,
                        DicomInputStream i,
                        SpecificCharacterSet specificCharacterSet)
                 throws IOException,
                        DicomException

Read an attribute from an input stream; called only by concrete sub-classes.

Parameters:

t - the tag of the attribute

vl - the value length of the attribute

i - the input stream

specificCharacterSet - the character set to be used for the text

Throws:

IOException

DicomException

Method Detail

translateByteArrayToString

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

Decode a byte array into a string.

Parameters:

bytes - the byte buffer in which the encoded string is located

offset - the offset into the buffer

length - the number of bytes to be decoded

Returns:

the string decoded according to the specified or default specific character set

translateStringToByteArray

protected byte[] translateStringToByteArray(String string)
                                     throws UnsupportedEncodingException

Encode a string into a byte array.

Parameters:

string - the string to be encoded

Returns:

the byte array encoded according to the specified or default specific character set

Throws:

UnsupportedEncodingException

getPaddedVL

public long getPaddedVL()

Description copied from class: Attribute

Get the value length of this attribute, accounting for the need for even-length padding.

Overrides:

getPaddedVL in class Attribute

Returns:

the value length (padded to an even length)

write

public void write(DicomOutputStream o)
           throws DicomException,
                  IOException

Description copied from class: Attribute

Write the entire attribute (including values) to the output stream.

Specified by:

write in class Attribute

Parameters:

o -

Throws:

IOException

DicomException

toString

public String toString(DicomDictionary dictionary)

Description copied from class: Attribute

Dump the contents of the attribute as a human-readable string.

No new line is appended.

The result is of the form:

 (0xgggg,0xeeee) Name VR=<XX> VL=<0xnnnn> <...>
 

For example:

 (0x0018,0x0020) ScanningSequence VR=<CS> VL=<0x2> <GR>
 

Overrides:

toString in class Attribute

Parameters:

dictionary - the dictionary to use to look up the name

Returns:

a single String value

getByteValues

public byte[] getByteValues()
                     throws DicomException

Get the values of this attribute as a byte array.

Overrides:

getByteValues in class Attribute

Returns:

the values as an array of bytes

Throws:

DicomException - thrown if values are not available

getStringValues

public String[] getStringValues(NumberFormat format)
                         throws DicomException

Description copied from class: Attribute

Get the values of this attribute as strings.

The strings may have been cleaned up into a canonical form, such as to remove padding as well as numbers formatted.

Overrides:

getStringValues in class Attribute

Parameters:

format - the format to use for each numerical or decimal value

Returns:

the values as an array of String

Throws:

DicomException

addValue

public void addValue(String v)
              throws DicomException

Description copied from class: Attribute

Add a(nother) String value after any existing values of this attribute.

Overrides:

addValue in class Attribute

Parameters:

v -

Throws:

DicomException

removeValues

public void removeValues()
                  throws DicomException

Description copied from class: Attribute

Remove any existing values, making the attribute empty (zero length).

Specified by:

removeValues in class Attribute

Throws:

DicomException