Java DicomElement类代码示例

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
@Override
public boolean matches(DicomElement el)
{
    if (el == null)
    {
        return false; // unless the value should/must be null/empty
                      // string,etc.
    }

    if (el.tag() != tagNr)
        return false;

    String valStr = DicomWrapper.element2String(el, null);
    int result = StringUtil.compare(valStr, theValue, ignoreCase);
    logger.debugPrintf("MinMaxFilter:Checking: <%s>('%s'=='%s') == %d \n",
            DicomUtil.getTagName(tagNr), valStr, theValue, result);

    return (result == 0);
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
public List<String> getTagNames(boolean sort)
{
    StringList names = new StringList();

    Iterator<DicomElement> it = dicom.datasetIterator();
    for (DicomElement el = null; it.hasNext();)
    {
        el = it.next(); //
        String name = DicomUtil.getTagName(el.tag());
        // unknown tag:
        if (name != null)
            names.add(name);
        // else
        // names.add("#0x"+Integer.toHexString(el.tag()));
    }

    if (sort)
        names.sort(true);

    return names;
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
/**
 * Returns combination of a Date and a Time tag in one Java Data object.
 */
public Date getDateTime(int dateTag, int timeTag)
{
    // need at least a date tag:
    DicomElement dateVal = dicom.get(dateTag);
    if (dateVal == null)
        return null;

    // optional:
    DicomElement timeVal = dicom.get(timeTag);
    if (timeVal == null)
    {
        return element2Date(dateVal);
    }
    else
    {
        return element2DateTime(dateVal, timeVal, getTimeZone());
    }
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
/**
 * Returns TimeZone or default TimeZone if not set in the Dicom File
 */
public TimeZone getTimeZone()
{
    DicomElement tzOffset = dicom.get(Tag.TimezoneOffsetFromUTC);
    if (tzOffset == null)
    {
        return defaultTZ; // TimeZone.getDefault(); //
                          // TimeZone.getTimeZone("UTC");
    }

    String tzStr = element2String(tzOffset, null);
    // [+|-]HHMM
    // int tzInt=element2Int(tzOffset, 0);
    char c = tzStr.charAt(0);
    if ((c != '-') && (c != '+'))
        tzStr = "+" + tzStr;

    TimeZone tz = TimeZone.getTimeZone("GMT" + tzStr);

    return tz;
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
/**
 * Write integer or other short value. Auto converts to actual VR type
 * 
 * @throws Exception
 */
public void setTag(int tagNr, int intValue) throws Exception
{
    if (this.canModify == false)
        throw new Exception("Unmodifyable Dicom");

    DicomElement el = this.dicom.get(tagNr);
    VR vr;
    if (el != null)
        vr = el.vr();
    else
        vr = DicomUtil.getVRofTag(tagNr);

    dicom.putInt(tagNr, vr, intValue);

    this.isModified = true;
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
public void setDateValue(int tagNr, Date date) throws Exception
{
    if (this.canModify == false)
        throw new Exception("Unmodifyable Dicom");

    // check float ?
    DicomElement el = this.dicom.get(tagNr);
    VR vr;
    if (el != null)
        vr = el.vr();
    else
        vr = DicomUtil.getVRofTag(tagNr);
    // Assert Date/Time ?
    dicom.putDate(tagNr, vr, date);

    this.isModified = true;
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
/**
 * Returns Integer value, as Java Integer Object, of element or NULL(!) if not defined.
 */
public static Integer element2Int(DicomElement el)
{
    if (el == null)
    {
        return null;
    }

    byte bytes[] = el.getBytes();
    // happens in SPI files! Element is set, but NO bytes.
    if ((bytes == null) || (bytes.length <= 0))
    {
        return null;
    }

    return el.vr().toInt(bytes, el.bigEndian());
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
protected void setDateTo01jan1900(DicomElement el, boolean skipIfNotSet) throws Exception
{
    int tagNr = el.tag();
    Date date = DicomWrapper.element2Date(el);

    if (date == null)
    {
        if (skipIfNotSet)
            return;

        date = Presentation.now();

        // already anonimized: field is null!
        logger.warnPrintf("setDateTo01jan1900(): Date is already NULL (element=%s)\n", el.toString());
    }

    GregorianCalendar cal = new GregorianCalendar();
    cal.setTime(date);
    int year = 1900;
    int month = Calendar.JANUARY; // cal.get(Calendar.Calendar.MONTH);
    int day = 1; // cal.get(Calendar.DAY_OF_MONTH);
    cal.set(year, month, day);
    date = cal.getTime();
    dicom.setDateValue(tagNr, date);
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
protected void setDateTo01jan1950(DicomElement el, boolean skipIfNotSet) throws Exception
{
    int tagNr = el.tag();
    Date date = DicomWrapper.element2Date(el);

    if (date == null)
    {
        if (skipIfNotSet)
            return;

        date = Presentation.now();

        // already anonimized: field is null!
        logger.warnPrintf("setDateTo01jan1950():Date is already NULL (element=%s)\n", el.toString());
        return;
    }
    GregorianCalendar cal = new GregorianCalendar();
    cal.setTime(date);
    int year = 1950;
    int month = Calendar.JANUARY; // cal.get(Calendar.Calendar.MONTH);
    int day = 1; // cal.get(Calendar.DAY_OF_MONTH);
    cal.set(year, month, day);
    date = cal.getTime();
    dicom.setDateValue(tagNr, date);
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
protected void setDateTo01Jan(DicomElement el, boolean skipIfNotSet) throws Exception
{
    int tagNr = el.tag();
    Date date = DicomWrapper.element2Date(el);

    if (date == null)
    {
        if (skipIfNotSet)
            return;

        date = Presentation.now();

        // already anonimized: field is null!
        logger.warnPrintf("setDateTo01Jan():Date is already NULL (element=%s)\n", el.toString());
    }

    GregorianCalendar cal = new GregorianCalendar();
    cal.setTime(date);
    int year = cal.get(Calendar.YEAR);
    int month = Calendar.JANUARY;// Note January is Month 0!
    // month=cal.get(Calendar.Calendar.MONTH);
    int day = 1; // cal.get(Calendar.DAY_OF_MONTH);
    cal.set(year, month, day);
    date = cal.getTime();
    dicom.setDateValue(tagNr, date);
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
protected void doEncryptTag(DicomElement el) throws Exception
{
    int tagNr = el.tag();
    VRType vrType = VRType.valueOf(el.vr());

    if (vrType.isString())
    {
        String newValue = null;
        String strValue = DicomWrapper.element2String(el, null);
        newValue = crypter.encryptToBase64(strValue);
        dicom.setTag(tagNr, newValue);
        logger.debugPrintf("> CRYPT RESULT:%s\n", dicom.getElement(tagNr));
    }
    // else if (vrType.isBinary()) {} // could encrypt bytes here.
    else
    {
        // number values could be encrypted and stored as encrypted
        // numerical value;
        throw new Exception("Cannot encrypt non String tags!:" + el);
    }
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
/**
 * Hash the UID and convert the hash bytes back to an UID like (dotted decimal) String.
 */
protected void hashUIDTag(DicomElement el) throws Exception
{
    int tagNr = el.tag();
    VRType vrType = VRType.valueOf(el.vr());

    if (vrType.isString())
    {
        String uid = DicomWrapper.element2String(el, null);
        // 32 bytes hash (SHA-256 = 256 bits)
        byte hashBytes[] = hash(uid);
        String hashedUid = hashToUidString(hashBytes);

        dicom.setTag(tagNr, hashedUid);
        logger.debugPrintf("> HASH UID RESULT:%s\n", dicom.getElement(tagNr));
    }
    else
        throw new Exception("Cannot hash non String tags (yet) !:" + el);
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
protected void doEncryptAndHashUIDTag(DicomElement el) throws Exception
{
    int tagNr = el.tag();
    VRType vrType = VRType.valueOf(el.vr());

    if (vrType.isString())
    {
        byte cryptBytes[] = null;
        String strValue = DicomWrapper.element2String(el, null);

        // first encrypt, then hash, then UID encode.
        cryptBytes = crypter.encrypt(strValue);
        byte hashBytes[] = hash(cryptBytes);
        String hashedUid = hashToUidString(hashBytes);

        dicom.setTag(tagNr, hashedUid);
        logger.debugPrintf("> CRYPT&HASH UID RESULT:%s\n", dicom.getElement(tagNr));
    }
    // else if (vrType.isBinary()) {} // could encrypt bytes here.
    else
    {
        // number values could be encrypted and stored as encrypted
        // numerical value;
        throw new Exception("Cannot encrypt non String tags!:" + el);
    }
}
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
private void outFragment(DicomInputStream in) throws IOException {
//        System.out.println("outFragment");
        outTag(in);
        outLen(in);
        in.readValue(in);
        DicomElement sq = in.sq();
        byte[] data = sq.removeFragment(0);
        boolean bigEndian = in.getTransferSyntax().bigEndian();
        line.append(" [-------");
        sq.vr().promptValue(data, bigEndian, null, cbuf, maxValLen, line);
        line.append("-------------]");
        outLine(in);
       
    }
 

import org.dcm4che2.data.DicomElement; //导入依赖的package包/类
private static void promptStgCmt(DicomObject cmtrslt, float seconds) {
    
    DicomElement refSOPSq = cmtrslt.get(Tag.ReferencedSOPSequence);
    System.out.print(refSOPSq.countItems());
    System.out.println(" successful");
    DicomElement failedSOPSq = cmtrslt.get(Tag.FailedSOPSequence);
    if (failedSOPSq != null) {
        System.out.print(failedSOPSq.countItems());
        System.out.println(" FAILED!");
    }
}