java.util.Vector#isEmpty ( )源码实例Demo

private static Krb5CredElement getCredFromSubject(GSSNameSpi name,
                                                  boolean initiate)
    throws GSSException {
    Vector<Krb5CredElement> creds =
        GSSUtil.searchSubject(name, GSS_KRB5_MECH_OID, initiate,
                              (initiate ?
                               Krb5InitCredential.class :
                               Krb5AcceptCredential.class));

    Krb5CredElement result = ((creds == null || creds.isEmpty()) ?
                              null : creds.firstElement());

    // Force permission check before returning the cred to caller
    if (result != null) {
        if (initiate) {
            checkInitCredPermission((Krb5NameElement) result.getName());
        } else {
            checkAcceptCredPermission
                ((Krb5NameElement) result.getName(), name);
        }
    }
    return result;
}
 

@SuppressWarnings("deprecation")
private static void clearCookieByUrlInternal(String url, CookieManager pCookieManager, CookieSyncManager pCookieSyncManager) {
    if (TextUtils.isEmpty(url)) {
        return;
    }
    String cookieString = pCookieManager.getCookie(url);
    Vector<String> cookie = getCookieNamesByUrl(cookieString);
    if (cookie == null || cookie.isEmpty()) {
        return;
    }
    int len = cookie.size();
    for (int i = 0; i < len; i++) {
        pCookieManager.setCookie(url, cookie.get(i) + "=-1");
    }
    pCookieSyncManager.sync();
}
 

DecodeThread(CaptureActivity activity,
             Vector<BarcodeFormat> decodeFormats,
             String characterSet,
             ResultPointCallback resultPointCallback) {

    this.activity = activity;
    handlerInitLatch = new CountDownLatch(1);

    hints = new Hashtable<DecodeHintType, Object>(3);

    if (decodeFormats == null || decodeFormats.isEmpty()) {
        decodeFormats = new Vector<BarcodeFormat>();
        decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
        decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
        decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);
    }

    hints.put(DecodeHintType.POSSIBLE_FORMATS, decodeFormats);

    if (characterSet != null) {
        hints.put(DecodeHintType.CHARACTER_SET, characterSet);
    }

    hints.put(DecodeHintType.NEED_RESULT_POINT_CALLBACK, resultPointCallback);
}
 

public void removeMinefieldHelper(Minefield mf) {
    Vector<Minefield> mfs = minefields.get(mf.getCoords());
    if (mfs == null) {
        return;
    }

    Enumeration<Minefield> e = mfs.elements();
    while (e.hasMoreElements()) {
        Minefield mftemp = e.nextElement();
        if (mftemp.equals(mf)) {
            mfs.removeElement(mftemp);
            break;
        }
    }
    if (mfs.isEmpty()) {
        minefields.remove(mf.getCoords());
    }
}
 

static /* public */ void getIdentities(TwainScanner sc, Vector list)throws TwainIOException{
  if(setScanner(sc)){
    TwainSourceManager sm=getSourceManager();                 // jtwain might not be up and running yet
    sm.getSource().checkState(3);                             // System.err.println("select: try "+name);

    Semaphore s = new Semaphore(0,true);                      // need to wait for native thread to retrieve list of identities
    Object[] parameter = {list,s};                            // need to transport two objects via one parameter to cbexecute
    trigger(parameter,2);                                     // call cbexecute case 2
    try{
      s.tryAcquire(3000,TimeUnit.MILLISECONDS);
      if(list.isEmpty() && (parameter[1]!=null)){
        throw new TwainIOException(jtwain.class.getName()+".getIdentities\n\tCould not retrieve device names. Request timed out.");
      }
    }catch(InterruptedException ie){
      throw new TwainIOException(jtwain.class.getName()+".getIdentities\n\tCould not retrieve device names. Request was interrupted.");
    }
  }
}
 

public synchronized Vector<SnmpInformRequest> getAllOutstandingRequest(long margin) {
    int i ;
    Vector<SnmpInformRequest> outreq = new Vector<>();
    while (true) {
        if (waitUntilReady() == true) {
            long refTime = System.currentTimeMillis() + margin ;

            for (i = size() ; i > 0 ; i--) {
                SnmpInformRequest req = getRequestAt(i-1) ;
                if (req.getAbsNextPollTime() > refTime)
                    break ;
                outreq.addElement(req) ;
            }

            if (! outreq.isEmpty()) {
                elementCount -= outreq.size() ;
                return outreq ;
            }
        }
        else
            return null;
    }
}
 

private GSSCredElement getCredFromSubject(GSSNameElement name,
                                          boolean initiate)
    throws GSSException {
    Oid mech = cStub.getMech();
    Vector<GSSCredElement> creds = GSSUtil.searchSubject
        (name, mech, initiate, GSSCredElement.class);

    // If Subject is present but no native creds available
    if (creds != null && creds.isEmpty()) {
        if (GSSUtil.useSubjectCredsOnly(caller)) {
            throw new GSSException(GSSException.NO_CRED);
        }
    }

    GSSCredElement result = ((creds == null || creds.isEmpty()) ?
                             null : creds.firstElement());
    // Force permission check before returning the cred to caller
    if (result != null) {
        result.doServicePermCheck();
    }
    return result;
}
 

/**
 * Gets the common name from the given X509Name.
 * 
 * @param name
 *            the X.509 name
 * @return the common name, null if not found
 */
public static String getCommonName(X509Name name) {
	if (name == null) {
		return null;
	}

	Vector<?> values = name.getValues(X509Name.CN);
	if (values == null || values.isEmpty()) {
		return null;
	}

	return values.get(0).toString();
}
 

/**
 * Removes all the timer notifications corresponding to the specified type from the list of notifications.
 *
 * @param type The timer notification type.
 *
 * @exception InstanceNotFoundException The specified type does not correspond to any timer notification
 * in the list of notifications of this timer MBean.
 */
public synchronized void removeNotifications(String type) throws InstanceNotFoundException {

    Vector<Integer> v = getNotificationIDs(type);

    if (v.isEmpty())
        throw new InstanceNotFoundException("Timer notifications to remove not in the list of notifications");

    for (Integer i : v)
        removeNotification(i);
}
 

private static boolean testEqual(Multivector m1, Multivector m2) {
    Vector<BladeRef> v1 = new Vector<BladeRef>(m1.getBlades());
    Vector<BladeRef> v2 = new Vector<BladeRef>(m2.getBlades());
    
    if (v1.size() != v2.size())
        return false;
    
    for (BladeRef b2: v2) {
        if (v1.contains(b2))
            v1.remove(b2);
    }
    
    return v1.isEmpty();
}
 

private void assertMatchingSet( String comment, Object[] expected, Vector foundItems ) {
    Vector expectedItems = new Vector();
    for (int i = 0; i < expected.length; i++) expectedItems.addElement( expected[ i ] );
    for (int i = 0; i < expected.length; i++) {
        if (!foundItems.contains( expected[ i ] )) {
            fail( comment + ": expected " + asText( expected ) + " but missing " + expected[ i ] );
        } else {
            foundItems.removeElement( expected[ i ] );
        }
    }

    if (!foundItems.isEmpty()) fail( comment + ": expected " + asText( expected ) + " but found superfluous" + foundItems.firstElement() );
}
 

/**
 * Get bundle data. Get resources from bundle or fragment jars.
 *
 * @see org.osgi.framework.Bundle#findEntries
 */
public Enumeration<URL> findEntries(String path, String filePattern, boolean recurse) {
  if (secure.okResourceAdminPerm(this)) {
    // Try to resolve, so that fragments attach.
    getUpdatedState(new BundleImpl [] { this }, false);
    final Vector<URL> res = secure.callFindEntries(current(), path, filePattern, recurse);
    if (!res.isEmpty()) {
      return res.elements();
    }
  }
  return null;
}
 

/**
 * Tests whether the geometries of the two <code>Area</code> objects
 * are equal.
 * This method will return false if the argument is null.
 * @param   other  the <code>Area</code> to be compared to this
 *          <code>Area</code>
 * @return  <code>true</code> if the two geometries are equal;
 *          <code>false</code> otherwise.
 * @since 1.2
 */
public boolean equals(Area other) {
    // REMIND: A *much* simpler operation should be possible...
    // Should be able to do a curve-wise comparison since all Areas
    // should evaluate their curves in the same top-down order.
    if (other == this) {
        return true;
    }
    if (other == null) {
        return false;
    }
    Vector c = new AreaOp.XorOp().calculate(this.curves, other.curves);
    return c.isEmpty();
}
 

private Vector<NoteBean> getNotes(VTDUtils vu) throws XPathEvalException, NavException, XPathParseException {
	Vector<NoteBean> notes = new Vector<NoteBean>();
	VTDNav vn = vu.getVTDNav();
	AutoPilot ap = new AutoPilot(vn);
	ap.selectXPath("./note");
	while (ap.evalXPath() != -1) {
		NoteBean note = new NoteBean(vu.getElementContent());

		int attInx = vn.getAttrVal("xml:lang");
		if (attInx != -1) {
			note.setLang(vn.toString(attInx));
		}

		attInx = vn.getAttrVal("from");
		if (attInx != -1) {
			note.setFrom(vn.toString(attInx));
		}

		attInx = vn.getAttrVal("priority");
		if (attInx != -1) {
			note.setPriority(vn.toString(attInx));
		}

		attInx = vn.getAttrVal("annotates");
		if (attInx != -1) {
			note.setAnnotates(vn.toString(attInx));
		}

		notes.add(note);
	}

	if (notes.isEmpty()) {
		notes = null;
	}

	return notes;
}
 

@Override
public Collection<String> getUserNameCollection() {
	Collection<String> result = new ArrayList<String>();
	Vector<org.openntf.domino.Name> v = this.getUserNameList();
	if (!v.isEmpty()) {
		for (org.openntf.domino.Name name : v) {
			result.add(name.getCanonical());
			// DominoUtils.incinerate(name);
		}
	}
	return result;
}
 

public static boolean doBack(HttpServletRequest request, HttpServletResponse response) throws IOException {
	synchronized (request.getSession()) {
		String uri = request.getParameter("uri");
		Vector back = getBackList(request.getSession());
		if (back.isEmpty()) {
			if (uri != null) {
				response.sendRedirect(response.encodeURL(uri));
				return true;
			}
			return false;
		}
		if (uri==null) {
			uri = ((String[])back.lastElement())[0];
			back.remove(back.size()-1);
		} else {
			String uriNoBack = uri;
			if (uriNoBack.indexOf("backType=")>=0)
				uriNoBack = uriNoBack.substring(0, uriNoBack.indexOf("backType=")-1);
			while (!back.isEmpty() && !uriNoBack.equals(((String[])back.lastElement())[0]))
				back.remove(back.size()-1);
			if (!back.isEmpty())
				back.remove(back.size()-1);
		}
		if (uri.indexOf("backType=")<0 && request.getAttribute("backType")!=null && request.getAttribute("backId")!=null) {
			if (uri.indexOf('?')>0)
				uri += "&backType="+request.getAttribute("backType")+"&backId="+request.getAttribute("backId")+"#back";
			else
				uri += "?backType="+request.getAttribute("backType")+"&backId="+request.getAttribute("backId")+"#back";
			
		}
		response.sendRedirect(response.encodeURL(uri));
		return true;
	}
}
 

XSAnnotationImpl traverseAnnotationDecl(Element annotationDecl, Object[] parentAttrs,
        boolean isGlobal, XSDocumentInfo schemaDoc) {
    // General Attribute Checking
    Object[] attrValues = fAttrChecker.checkAttributes(annotationDecl, isGlobal, schemaDoc);
    fAttrChecker.returnAttrArray(attrValues, schemaDoc);

    String contents = DOMUtil.getAnnotation(annotationDecl);
    Element child = DOMUtil.getFirstChildElement(annotationDecl);
    if (child != null) {
        do {
            String name = DOMUtil.getLocalName(child);

            // the only valid children of "annotation" are
            // "appinfo" and "documentation"
            if (!((name.equals(SchemaSymbols.ELT_APPINFO)) ||
                    (name.equals(SchemaSymbols.ELT_DOCUMENTATION)))) {
                reportSchemaError("src-annotation", new Object[]{name}, child);
            }
            else {
                // General Attribute Checking
                // There is no difference between global or local appinfo/documentation,
                // so we assume it's always global.
                attrValues = fAttrChecker.checkAttributes(child, true, schemaDoc);
                fAttrChecker.returnAttrArray(attrValues, schemaDoc);
            }

            child = DOMUtil.getNextSiblingElement(child);
        }
        while (child != null);
    }
    // if contents was null, must have been some kind of error;
    // nothing to contribute to PSVI
    if (contents == null) return null;

    // find the grammar; fSchemaHandler must be known!
    SchemaGrammar grammar = fSchemaHandler.getGrammar(schemaDoc.fTargetNamespace);
    // fish out local attributes passed from parent
    Vector annotationLocalAttrs = (Vector)parentAttrs[XSAttributeChecker.ATTIDX_NONSCHEMA];
    // optimize for case where there are no local attributes
    if(annotationLocalAttrs != null && !annotationLocalAttrs.isEmpty()) {
        StringBuffer localStrBuffer = new StringBuffer(64);
        localStrBuffer.append(" ");
        // Vector should contain rawname value pairs
        int i = 0;
        while (i < annotationLocalAttrs.size()) {
            String rawname = (String)annotationLocalAttrs.elementAt(i++);
            int colonIndex = rawname.indexOf(':');
            String prefix, localpart;
            if (colonIndex == -1) {
                prefix = "";
                localpart = rawname;
            }
            else {
                prefix = rawname.substring(0,colonIndex);
                localpart = rawname.substring(colonIndex+1);
            }
            String uri = schemaDoc.fNamespaceSupport.getURI(fSymbolTable.addSymbol(prefix));
            if (annotationDecl.getAttributeNS(uri, localpart).length() != 0) {
                i++; // skip the next value, too
                continue;
            }
            localStrBuffer.append(rawname)
            .append("=\"");
            String value = (String)annotationLocalAttrs.elementAt(i++);
            // search for pesky "s and <s within attr value:
            value = processAttValue(value);
            localStrBuffer.append(value)
            .append("\" ");
        }
        // and now splice it into place; immediately after the annotation token, for simplicity's sake
        StringBuffer contentBuffer = new StringBuffer(contents.length() + localStrBuffer.length());
        int annotationTokenEnd = contents.indexOf(SchemaSymbols.ELT_ANNOTATION);
        // annotation must occur somewhere or we're in big trouble...
        if(annotationTokenEnd == -1) return null;
        annotationTokenEnd += SchemaSymbols.ELT_ANNOTATION.length();
        contentBuffer.append(contents.substring(0,annotationTokenEnd));
        contentBuffer.append(localStrBuffer.toString());
        contentBuffer.append(contents.substring(annotationTokenEnd, contents.length()));
        final String annotation = contentBuffer.toString();
        if (fValidateAnnotations) {
            schemaDoc.addAnnotation(new XSAnnotationInfo(annotation, annotationDecl));
        }
        return new XSAnnotationImpl(annotation, grammar);
    } else {
        if (fValidateAnnotations) {
            schemaDoc.addAnnotation(new XSAnnotationInfo(contents, annotationDecl));
        }
        return new XSAnnotationImpl(contents, grammar);
    }

}
 

XSAnnotationImpl traverseSyntheticAnnotation(Element annotationParent, String initialContent,
        Object[] parentAttrs, boolean isGlobal, XSDocumentInfo schemaDoc) {

    String contents = initialContent;

    // find the grammar; fSchemaHandler must be known!
    SchemaGrammar grammar = fSchemaHandler.getGrammar(schemaDoc.fTargetNamespace);
    // fish out local attributes passed from parent
    Vector annotationLocalAttrs = (Vector)parentAttrs[XSAttributeChecker.ATTIDX_NONSCHEMA];
    // optimize for case where there are no local attributes
    if (annotationLocalAttrs != null && !annotationLocalAttrs.isEmpty()) {
        StringBuffer localStrBuffer = new StringBuffer(64);
        localStrBuffer.append(" ");
        // Vector should contain rawname value pairs
        int i = 0;
        while (i < annotationLocalAttrs.size()) {
            String rawname = (String)annotationLocalAttrs.elementAt(i++);
            int colonIndex = rawname.indexOf(':');
            String prefix, localpart;
            if (colonIndex == -1) {
                prefix = "";
                localpart = rawname;
            }
            else {
                prefix = rawname.substring(0,colonIndex);
                localpart = rawname.substring(colonIndex+1);
            }
            String uri = schemaDoc.fNamespaceSupport.getURI(fSymbolTable.addSymbol(prefix));
            localStrBuffer.append(rawname)
            .append("=\"");
            String value = (String)annotationLocalAttrs.elementAt(i++);
            // search for pesky "s and <s within attr value:
            value = processAttValue(value);
            localStrBuffer.append(value)
            .append("\" ");
        }
        // and now splice it into place; immediately after the annotation token, for simplicity's sake
        StringBuffer contentBuffer = new StringBuffer(contents.length() + localStrBuffer.length());
        int annotationTokenEnd = contents.indexOf(SchemaSymbols.ELT_ANNOTATION);
        // annotation must occur somewhere or we're in big trouble...
        if(annotationTokenEnd == -1) return null;
        annotationTokenEnd += SchemaSymbols.ELT_ANNOTATION.length();
        contentBuffer.append(contents.substring(0,annotationTokenEnd));
        contentBuffer.append(localStrBuffer.toString());
        contentBuffer.append(contents.substring(annotationTokenEnd, contents.length()));
        final String annotation = contentBuffer.toString();
        if (fValidateAnnotations) {
            schemaDoc.addAnnotation(new XSAnnotationInfo(annotation, annotationParent));
        }
        return new XSAnnotationImpl(annotation, grammar);
    } else {
        if (fValidateAnnotations) {
            schemaDoc.addAnnotation(new XSAnnotationInfo(contents, annotationParent));
        }
        return new XSAnnotationImpl(contents, grammar);
    }
}
 

/**
 * Helper method for fitPattern. Fits only one half of the pattern.
 *
 * @param p Pattern is fitted around this peak
 * @param charge Charge state of the fitted pattern
 * @param direction Defines which half to fit: -1=fit to peaks before start M/Z, +1=fit to peaks
 *        after start M/Z
 * @param fittedPeaks All matching peaks will be added to this set
 */
private void fitHalfPattern(Feature p, int charge, int direction, Vector<Feature> fittedPeaks,
    Feature[] sortedPeaks) {

  // Use M/Z and RT of the strongest peak of the pattern (peak 'p')
  double mainMZ = p.getMZ();
  double mainRT = p.getRT();

  // Variable n is the number of peak we are currently searching. 1=first
  // peak before/after start peak, 2=peak before/after previous, 3=...
  boolean followingPeakFound;
  int n = 1;
  do {

    // Assume we don't find match for n:th peak in the pattern (which
    // will end the loop)
    followingPeakFound = false;

    // Loop through all peaks, and collect candidates for the n:th peak
    // in the pattern
    Vector<Feature> goodCandidates = new Vector<Feature>();
    for (int ind = 0; ind < sortedPeaks.length; ind++) {

      Feature candidatePeak = sortedPeaks[ind];

      if (candidatePeak == null)
        continue;

      // Get properties of the candidate peak
      double candidatePeakMZ = candidatePeak.getMZ();
      double candidatePeakRT = candidatePeak.getRT();

      // Does this peak fill all requirements of a candidate?
      // - within tolerances from the expected location (M/Z and RT)
      // - not already a fitted peak (only necessary to avoid
      // conflicts when parameters are set too wide)
      double isotopeMZ = candidatePeakMZ - isotopeDistance * direction * n / charge;

      if (mzTolerance.checkWithinTolerance(isotopeMZ, mainMZ)
          && rtTolerance.checkWithinTolerance(candidatePeakRT, mainRT)
          && (!fittedPeaks.contains(candidatePeak))) {
        goodCandidates.add(candidatePeak);

      }

    }

    // Add all good candidates to the isotope pattern (note: in MZmine
    // 2.3 and older, only the highest candidate was added)
    if (!goodCandidates.isEmpty()) {

      fittedPeaks.addAll(goodCandidates);

      // n:th peak was found, so let's move on to n+1
      n++;
      followingPeakFound = true;
    }

  } while (followingPeakFound);

}
 

/**
 * Helper method for fitPattern. Fits only one half of the pattern.
 * 
 * @param p Pattern is fitted around this peak
 * @param charge Charge state of the fitted pattern
 * @param direction Defines which half to fit: -1=fit to peaks before start M/Z, +1=fit to peaks
 *        after start M/Z
 * @param fittedPeaks All matching peaks will be added to this set
 * @param mzTolerance
 */
private static void fitHalfPattern(DataPoint p, int charge, int direction,
    List<DataPoint> fittedPeaks, DataPoint[] sortedPeaks, double isotopeDistance,
    MZTolerance mzTolerance) {

  double mainMZ = p.getMZ();

  // Variable n is the number of peak we are currently searching. 1=first
  // peak before/after start peak, 2=peak before/after previous, 3=...
  boolean followingPeakFound;
  int n = 1;
  do {

    // Assume we don't find match for n:th peak in the pattern (which
    // will end the loop)
    followingPeakFound = false;

    // Loop through all peaks, and collect candidates for the n:th peak
    // in the pattern
    Vector<DataPoint> goodCandidates = new Vector<DataPoint>();
    for (int ind = 0; ind < sortedPeaks.length; ind++) {

      DataPoint candidatePeak = sortedPeaks[ind];

      if (candidatePeak == null || Double.compare(candidatePeak.getIntensity(), 0) == 0)
        continue;

      // Get properties of the candidate peak
      double candidatePeakMZ = candidatePeak.getMZ();

      // Does this peak fill all requirements of a candidate?
      // - within tolerances from the expected location (M/Z and RT)
      // - not already a fitted peak (only necessary to avoid
      // conflicts when parameters are set too wide)
      double isotopeMZ = candidatePeakMZ - isotopeDistance * direction * n / charge;

      if (mzTolerance.checkWithinTolerance(isotopeMZ, mainMZ)
          // && rtTolerance.checkWithinTolerance(candidatePeakRT, mainRT)
          && (!fittedPeaks.contains(candidatePeak))) {
        goodCandidates.add(candidatePeak);

      }

    }

    // Add all good candidates to the isotope pattern (note: in MZmine
    // 2.3 and older, only the highest candidate was added)
    if (!goodCandidates.isEmpty()) {

      fittedPeaks.addAll(goodCandidates);

      // n:th peak was found, so let's move on to n+1
      n++;
      followingPeakFound = true;
    }

  } while (followingPeakFound);

}