Java Code Examples for java.util.Hashtable#isEmpty()

The following examples show how to use java.util.Hashtable#isEmpty() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
public static AttributeValues
fromSerializableHashtable(Hashtable<Object, Object> ht)
{
    AttributeValues result = new AttributeValues();
    if (ht != null && !ht.isEmpty()) {
        for (Map.Entry<Object, Object> e: ht.entrySet()) {
            Object key = e.getKey();
            Object val = e.getValue();
            if (key.equals(DEFINED_KEY)) {
                result.defineAll(((Integer)val).intValue());
            } else {
                try {
                    EAttribute ea =
                        EAttribute.forAttribute((Attribute)key);
                    if (ea != null) {
                        result.set(ea, val);
                    }
                }
                catch (ClassCastException ex) {
                }
            }
        }
    }
    return result;
}
 
Example 2
private Set<String> removeFromLocationToPids(ServiceReference<?> sr)
{
  HashSet<String> res = new HashSet<String>();
  if (sr != null) {
    Bundle bundle = sr.getBundle();
    final String bundleLocation = bundle.getLocation();
    final Hashtable<String, TreeSet<ServiceReference<?>>> pidsForLocation =
      locationToPids.get(bundleLocation);
    for (final Iterator<Entry<String, TreeSet<ServiceReference<?>>>> it =
      pidsForLocation.entrySet().iterator(); it.hasNext();) {
      final Entry<String, TreeSet<ServiceReference<?>>> entry = it.next();
      TreeSet<ServiceReference<?>> ssrs = entry.getValue();
      if (ssrs.remove(sr)) {
        res.add(entry.getKey());
        if (ssrs.isEmpty()) {
          it.remove();
        }
      }
    }
    if (pidsForLocation.isEmpty()) {
      locationToPids.remove(bundleLocation);
    }
  }
  return res;
}
 
Example 3
public static AttributeValues
fromSerializableHashtable(Hashtable<Object, Object> ht)
{
    AttributeValues result = new AttributeValues();
    if (ht != null && !ht.isEmpty()) {
        for (Map.Entry<Object, Object> e: ht.entrySet()) {
            Object key = e.getKey();
            Object val = e.getValue();
            if (key.equals(DEFINED_KEY)) {
                result.defineAll(((Integer)val).intValue());
            } else {
                try {
                    EAttribute ea =
                        EAttribute.forAttribute((Attribute)key);
                    if (ea != null) {
                        result.set(ea, val);
                    }
                }
                catch (ClassCastException ex) {
                }
            }
        }
    }
    return result;
}
 
Example 4
@SuppressWarnings("unchecked")
private static Hashtable<String, Object> convertNativeConfig(
        Hashtable<String, Object> stanzaTable) throws IOException {
    // convert SCDynamicStore realm structure to Java realm structure
    Hashtable<String, ?> realms =
            (Hashtable<String, ?>) stanzaTable.get("realms");
    if (realms == null || realms.isEmpty()) {
        throw new IOException(
                "SCDynamicStore contains an empty Kerberos setting");
    }
    stanzaTable.remove("realms");
    Hashtable<String, Object> realmsTable = convertRealmConfigs(realms);
    stanzaTable.put("realms", realmsTable);
    WrapAllStringInVector(stanzaTable);
    if (DEBUG) System.out.println("stanzaTable : " + stanzaTable);
    return stanzaTable;
}
 
Example 5
Source Project: Bytecoder   File: AttributeValues.java    License: Apache License 2.0 6 votes vote down vote up
public static AttributeValues
fromSerializableHashtable(Hashtable<Object, Object> ht)
{
    AttributeValues result = new AttributeValues();
    if (ht != null && !ht.isEmpty()) {
        for (Map.Entry<Object, Object> e: ht.entrySet()) {
            Object key = e.getKey();
            Object val = e.getValue();
            if (key.equals(DEFINED_KEY)) {
                result.defineAll(((Integer)val).intValue());
            } else {
                try {
                    EAttribute ea =
                        EAttribute.forAttribute((Attribute)key);
                    if (ea != null) {
                        result.set(ea, val);
                    }
                }
                catch (ClassCastException ex) {
                }
            }
        }
    }
    return result;
}
 
Example 6
public static DataSource lookupDataSource(String dataSourceName, final Hashtable<Object, Object> jndiProperties) {
    try {
        if (jndiProperties == null || jndiProperties.isEmpty()) {
            return (DataSource) InitialContext.doLookup(dataSourceName);
        }
        final InitialContext context = new InitialContext(jndiProperties);
        return (DataSource) context.doLookup(dataSourceName);
    } catch (Exception e) {
        throw new RuntimeException("Error in looking up data source: " + e.getMessage(), e);
    }
}
 
Example 7
Source Project: j2objc   File: HashtableTest.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * java.util.Hashtable#isEmpty()
 */
public void test_isEmpty() {
    // Test for method boolean java.util.Hashtable.isEmpty()

    assertTrue("isEmpty returned incorrect value", !ht10.isEmpty());
    assertTrue("isEmpty returned incorrect value",
            new java.util.Hashtable().isEmpty());

    final Hashtable ht = new Hashtable();
    ht.put("0", "");
    Thread t1 = new Thread() {
        public void run() {
            while (!ht.isEmpty())
                ;
            ht.put("final", "");
        }
    };
    t1.start();
    for (int i = 1; i < 10000; i++) {
        synchronized (ht) {
            ht.remove(String.valueOf(i - 1));
            ht.put(String.valueOf(i), "");
        }
        int size;
        if ((size = ht.size()) != 1) {
            String result = "Size is not 1: " + size + " " + ht;
            // terminate the thread
            ht.clear();
            fail(result);
        }
    }
    // terminate the thread
    ht.clear();
}
 
Example 8
/**
 * Call user data handlers when a node is deleted (finalized)
 * @param n The node this operation applies to.
 * @param c The copy node or null.
 * @param operation The operation - import, clone, or delete.
     * @param handlers Data associated with n.
    */
    void callUserDataHandlers(Node n, Node c, short operation,Hashtable userData) {
    if (userData == null || userData.isEmpty()) {
        return;
    }
    Enumeration keys = userData.keys();
    while (keys.hasMoreElements()) {
        String key = (String) keys.nextElement();
        UserDataRecord r = (UserDataRecord) userData.get(key);
        if (r.fHandler != null) {
            r.fHandler.handle(operation, key, r.fData, n, c);
        }
    }
}
 
Example 9
@Override
public float getProjection(String areaAbbv, String clasfCode, String majorCode) {
	if (iAreaClasfMajor2Proj.isEmpty()) return 1.0f;
	Hashtable<String,Hashtable<String, Float>> clasf2major2proj = (areaAbbv == null ? null : iAreaClasfMajor2Proj.get(areaAbbv));
	if (clasf2major2proj == null || clasf2major2proj.isEmpty()) return 1.0f;
	Hashtable<String, Float> major2proj = (clasfCode == null ? null : clasf2major2proj.get(clasfCode));
	if (major2proj == null) return 1.0f;
	Float projection = (majorCode == null ? null : major2proj.get(majorCode));
	if (projection == null)
		projection = major2proj.get("");
	return (projection == null ? 1.0f : projection);
}
 
Example 10
Source Project: unitime   File: ReservationServlet.java    License: Apache License 2.0 5 votes vote down vote up
private float getProjection(Hashtable<String,HashMap<String, Float>> clasf2major2proj, String majorCode, String clasfCode) {
	if (clasf2major2proj == null || clasf2major2proj.isEmpty()) return 1.0f;
	HashMap<String, Float> major2proj = clasf2major2proj.get(clasfCode);
	if (major2proj == null) return 1.0f;
	Float projection = major2proj.get(majorCode);
	if (projection == null)
		projection = major2proj.get("");
	return (projection == null ? 1.0f : projection);
}
 
Example 11
public static DataSource lookupDataSource(String dataSourceName,
                                          final Hashtable<Object, Object> jndiProperties) {
	try {
		if (jndiProperties == null || jndiProperties.isEmpty()) {
			return (DataSource) InitialContext.doLookup(dataSourceName);
		}
		final InitialContext context = new InitialContext(jndiProperties);
		return (DataSource) context.lookup(dataSourceName);
	} catch (Exception e) {
		throw new RuntimeException("Error in looking up data source: " + e.getMessage(), e);
	}
}
 
Example 12
/**
 * Returns the HTML text for the list of services deployed.
 * This can be delegated to another Class as well
 * where it will handle more options of GET messages.
 *
 * @param prefix to be used for the Service names
 * @return the HTML to be displayed as a String
 */
protected String getServicesHTML(String prefix) {

    Map services = cfgCtx.getAxisConfiguration().getServices();
    Hashtable erroneousServices = cfgCtx.getAxisConfiguration().getFaultyServices();
    boolean servicesFound = false;

    StringBuffer resultBuf = new StringBuffer();
    resultBuf.append("<html><head><title>Axis2: Services</title></head>" + "<body>");

    if ((services != null) && !services.isEmpty()) {

        servicesFound = true;
        resultBuf.append("<h2>" + "Deployed services" + "</h2>");

        for (Object service : services.values()) {

            AxisService axisService = (AxisService) service;
            Parameter isHiddenService = axisService.getParameter(
                    NhttpConstants.HIDDEN_SERVICE_PARAM_NAME);
            Parameter isAdminService = axisService.getParameter("adminService");
            boolean isClientSide = axisService.isClientSide();

            boolean isSkippedService = (isHiddenService != null &&
                    JavaUtils.isTrueExplicitly(isHiddenService.getValue())) || (isAdminService != null &&
                    JavaUtils.isTrueExplicitly(isAdminService.getValue())) || isClientSide;
            if (axisService.getName().startsWith("__") || isSkippedService) {
                continue;    // skip private services
            }

            Iterator iterator = axisService.getOperations();
            resultBuf.append("<h3><a href=\"").append(prefix).append(axisService.getName()).append(
                    "?wsdl\">").append(axisService.getName()).append("</a></h3>");

            if (iterator.hasNext()) {
                resultBuf.append("Available operations <ul>");

                for (; iterator.hasNext();) {
                    AxisOperation axisOperation = (AxisOperation) iterator.next();
                    resultBuf.append("<li>").append(
                            axisOperation.getName().getLocalPart()).append("</li>");
                }
                resultBuf.append("</ul>");
            } else {
                resultBuf.append("No operations specified for this service");
            }
        }
    }

    if ((erroneousServices != null) && !erroneousServices.isEmpty()) {
        servicesFound = true;
        resultBuf.append("<hr><h2><font color=\"blue\">Faulty Services</font></h2>");
        Enumeration faultyservices = erroneousServices.keys();

        while (faultyservices.hasMoreElements()) {
            String faultyserviceName = (String) faultyservices.nextElement();
            resultBuf.append("<h3><font color=\"blue\">").append(
                    faultyserviceName).append("</font></h3>");
        }
    }

    if (!servicesFound) {
        resultBuf.append("<h2>There are no services deployed</h2>");
    }

    resultBuf.append("</body></html>");
    return resultBuf.toString();
}
 
Example 13
Source Project: SendBird-Android   File: GroupChatFragment.java    License: MIT License 4 votes vote down vote up
/**
 * Sends a File Message containing an image file.
 * Also requests thumbnails to be generated in specified sizes.
 *
 * @param uri The URI of the image, which in this case is received through an Intent request.
 */
private void sendFileWithThumbnail(Uri uri) {
    if (mChannel == null) {
        return;
    }

    // Specify two dimensions of thumbnails to generate
    List<FileMessage.ThumbnailSize> thumbnailSizes = new ArrayList<>();
    thumbnailSizes.add(new FileMessage.ThumbnailSize(240, 240));
    thumbnailSizes.add(new FileMessage.ThumbnailSize(320, 320));

    Hashtable<String, Object> info = FileUtils.getFileInfo(getActivity(), uri);

    if (info == null || info.isEmpty()) {
        Toast.makeText(getActivity(), getString(R.string.wrong_file_info), Toast.LENGTH_LONG).show();
        return;
    }
    final String name;
    if (info.containsKey("name")) {
        name = (String) info.get("name");
    } else {
        name = "Sendbird File";
    }
    final String path = (String) info.get("path");
    final File file = new File(path);
    final String mime = (String) info.get("mime");
    final int size = (int) info.get("size");

    if (path == null || path.equals("")) {
        Toast.makeText(getActivity(), getString(R.string.wrong_file_path), Toast.LENGTH_LONG).show();
    } else {
        BaseChannel.SendFileMessageHandler fileMessageHandler = new BaseChannel.SendFileMessageHandler() {
            @Override
            public void onSent(FileMessage fileMessage, SendBirdException e) {
                mMessageCollection.handleSendMessageResponse(fileMessage, e);
                mMessageCollection.fetchAllNextMessages(null);
                if (e != null) {
                    Log.d("MyTag", "onSent: " + getActivity());
                    if (getActivity() != null) {
                        Toast.makeText(getActivity(), getString(R.string.sendbird_error_with_code, e.getCode(), e.getMessage()), Toast.LENGTH_SHORT).show();
                    }
                }
            }
        };

        // Send image with thumbnails in the specified dimensions
        FileMessage tempFileMessage = mChannel.sendFileMessage(file, name, mime, size, "", null, thumbnailSizes, fileMessageHandler);

        mChatAdapter.addTempFileMessageInfo(tempFileMessage, uri);

        if (mMessageCollection != null) {
            mMessageCollection.appendMessage(tempFileMessage);
        }
    }
}
 
Example 14
Source Project: openjdk-systemtest   File: NioApp.java    License: Apache License 2.0 4 votes vote down vote up
public void Compare(String p_CFHT_strFilename, Hashtable<Object, Integer> p_CFHT_htHashTable) {
	try {
		int nRecordNumber = 0;
		int nCount = 1;
		int nBufferLength = 12;
		int nKey;
		long lGetValue;
		long lCount;
		boolean blnKeyIsThere;
		Object objGetValue;
		Hashtable<Object, Integer> htHashTable = p_CFHT_htHashTable;

		System.out.println("I am comparing the file with the hashtable");
		// Get a channel for the file and provide a place
		// in memory to put the bytes with a buffer
		File f = new File(p_CFHT_strFilename);
		FileInputStream fis = new FileInputStream(f);
		FileChannel fc = fis.getChannel();
		ByteBuffer bb = java.nio.ByteBuffer.allocate(nBufferLength);

		// while we are not at the end of the file
		while (nCount != 0 && nCount != -1) {

			// Starting at byte number (nRecordNumber*nBufferLength)
			// read the next nBufferLength bytes from the file into
			// buffer bb and rewind to the beginning of the buffer
			nCount = fc.read(bb, nRecordNumber * nBufferLength);
			bb.rewind();

			// If we are not at the end of the file
			if (nCount != -1 && nCount != 0) {
				// Read the first 4 bytes and then the next 8 bytes and
				// print the results to the screen.
				nKey = bb.getInt();
				lCount = bb.getLong();

				// Checking the Hashtable to see if the random number is there
				blnKeyIsThere = htHashTable.containsKey(" " + nKey);

				// If the random number is there then get the value
				// associated with this
				// key. Compare this value with the occurences value in the
				// file. If they are
				// the same then increase the nMatches count, if they are
				// different print their
				// values to the screen and increase the differences count.
				// In each case
				// remove the key from the hashtable. If the random number
				// is not there
				// then print this to the screen also.
				if (blnKeyIsThere) {
					objGetValue = htHashTable.get(" " + nKey);
					lGetValue = Long.parseLong(objGetValue.toString());
					if (lCount == lGetValue) {
						nMatches++;
						htHashTable.remove(" " + nKey);
					} else {
						nOccurenceDiffs++;
						htHashTable.remove(" " + nKey);
					}
				} else {
					nNotInHashTable++;
				}
			}

			// clear the buffer and increment the nRecordNumber (this will
			// ensure the next 12 bytes are read into the buffer.
			bb.clear();
			nRecordNumber++;

		}

		// close the FileInputStream (this consequently closes the
		// FileChannel
		fis.close();

		// Check to see if there are any keys left in the hashtable. If
		// there aren't
		// then print all the results to the screen, if there are then
		// calculate how
		// many keys are left in the hashtable and print all the results to
		// the screen.
		if (htHashTable.isEmpty()) {
			nTotalDiffs = nOccurenceDiffs + nNotInHashTable;
		} else {
			nNotInFile = htHashTable.size();
			nTotalDiffs = nOccurenceDiffs + nNotInHashTable + nNotInFile;
		}
	} catch (IOException e) {
		System.out.println("Error occured in ComparingFileHashTable class: " + e);
	}
}
 
Example 15
/**
 * Copies all values from the specified attribute table.
 * If some attribute is exist its value should be overridden.
 *
 * @param table  the attribute table with new values
 */
private void addTable(Hashtable<String, Object> table) {
    if ((table != null) && !table.isEmpty()) {
        getTable().putAll(table);
    }
}
 
Example 16
/**
 * Copies all values from the specified attribute table.
 * If some attribute is exist its value should be overridden.
 *
 * @param table  the attribute table with new values
 */
private void addTable(Hashtable<String, Object> table) {
    if ((table != null) && !table.isEmpty()) {
        getTable().putAll(table);
    }
}
 
Example 17
/**
 * Copies all values from the specified attribute table.
 * If some attribute is exist its value should be overridden.
 *
 * @param table  the attribute table with new values
 */
private void addTable(Hashtable<String, Object> table) {
    if ((table != null) && !table.isEmpty()) {
        getTable().putAll(table);
    }
}
 
Example 18
Source Project: Java8CN   File: FeatureDescriptor.java    License: Apache License 2.0 2 votes vote down vote up
/**
 * Copies all values from the specified attribute table.
 * If some attribute is exist its value should be overridden.
 *
 * @param table  the attribute table with new values
 */
private void addTable(Hashtable<String, Object> table) {
    if ((table != null) && !table.isEmpty()) {
        getTable().putAll(table);
    }
}
 
Example 19
/**
 * Copies all values from the specified attribute table.
 * If some attribute is exist its value should be overridden.
 *
 * @param table  the attribute table with new values
 */
private void addTable(Hashtable<String, Object> table) {
    if ((table != null) && !table.isEmpty()) {
        getTable().putAll(table);
    }
}
 
Example 20
/**
 * Copies all values from the specified attribute table.
 * If some attribute is exist its value should be overridden.
 *
 * @param table  the attribute table with new values
 */
private void addTable(Hashtable<String, Object> table) {
    if ((table != null) && !table.isEmpty()) {
        getTable().putAll(table);
    }
}