java.util.Hashtable Java Examples

private void readObject(ObjectInputStream s) throws ClassNotFoundException, IOException {
    this.map = new PropertyChangeListenerMap();

    ObjectInputStream.GetField fields = s.readFields();

    @SuppressWarnings("unchecked")
    Hashtable<String, PropertyChangeSupport> children = (Hashtable<String, PropertyChangeSupport>) fields.get("children", null);
    this.source = fields.get("source", null);
    fields.get("propertyChangeSupportSerializedDataVersion", 2);

    Object listenerOrNull;
    while (null != (listenerOrNull = s.readObject())) {
        this.map.add(null, (PropertyChangeListener)listenerOrNull);
    }
    if (children != null) {
        for (Entry<String, PropertyChangeSupport> entry : children.entrySet()) {
            for (PropertyChangeListener listener : entry.getValue().getPropertyChangeListeners()) {
                this.map.add(entry.getKey(), listener);
            }
        }
    }
}
 

@Test
public void testConnectionFactoryBindingWithInvalidFactorySpecificProperty() throws Exception {
    String factoryName = "myNewFactory";
    String uri = "amqp://example.com:1234";

    String propertyPrefix = JmsInitialContextFactory.CONNECTION_FACTORY_PROPERTY_KEY_PREFIX;

    Hashtable<Object, Object> env = new Hashtable<Object, Object>();
    env.put(JmsInitialContextFactory.CONNECTION_FACTORY_KEY_PREFIX + factoryName, uri);
    env.put(propertyPrefix + factoryName + "." + "invalidProperty", "value");

    try {
        createInitialContext(env);
        fail("Should have thrown exception");
    } catch (NamingException ne) {
        // Expected
        assertTrue("Should have had a cause", ne.getCause() != null);
    }
}
 

public DirContext createSubcontext(Name name, Attributes attrs)
        throws NamingException {
    PartialCompositeDirContext ctx = this;
    Hashtable<?,?> env = p_getEnvironment();
    Continuation cont = new Continuation(name, env);
    DirContext answer;
    Name nm = name;

    try {
        answer = ctx.p_createSubcontext(nm, attrs, cont);
        while (cont.isContinue()) {
            nm = cont.getRemainingName();
            ctx = getPCDirContext(cont);
            answer = ctx.p_createSubcontext(nm, attrs, cont);
        }
    } catch (CannotProceedException e) {
        DirContext cctx = DirectoryManager.getContinuationDirContext(e);
        answer = cctx.createSubcontext(e.getRemainingName(), attrs);
    }
    return answer;
}
 

public Context createSubcontext(Name name) throws NamingException {
    PartialCompositeContext ctx = this;
    Name nm = name;
    Context answer;
    Hashtable<?,?> env = p_getEnvironment();
    Continuation cont = new Continuation(name, env);

    try {
        answer = ctx.p_createSubcontext(nm, cont);
        while (cont.isContinue()) {
            nm = cont.getRemainingName();
            ctx = getPCContext(cont);
            answer = ctx.p_createSubcontext(nm, cont);
        }
    } catch (CannotProceedException e) {
        Context cctx = NamingManager.getContinuationContext(e);
        answer = cctx.createSubcontext(e.getRemainingName());
    }
    return answer;
}
 

private static Object getUsingURLs(String[] urls, Hashtable<?,?> env)
        throws NamingException
{
    if (urls.length == 0) {
        throw (new ConfigurationException(
                "rmiURLContextFactory: empty URL array"));
    }
    rmiURLContext urlCtx = new rmiURLContext(env);
    try {
        NamingException ne = null;
        for (int i = 0; i < urls.length; i++) {
            try {
                return urlCtx.lookup(urls[i]);
            } catch (NamingException e) {
                ne = e;
            }
        }
        throw ne;
    } finally {
        urlCtx.close();
    }
}
 

/**
   * Tests a valid JSON construction of this RPC message.
   */
  public void testJsonConstructor () {
  	JSONObject commandJson = JsonFileReader.readId(this.mContext, getCommandType(), getMessageType());
  	assertNotNull(Test.NOT_NULL, commandJson);
  	
try {
	Hashtable<String, Object> hash = JsonRPCMarshaller.deserializeJSONObject(commandJson);
	ShowResponse cmd = new ShowResponse(hash);
	
	JSONObject body = JsonUtils.readJsonObjectFromJsonObject(commandJson, getMessageType());
	assertNotNull(Test.NOT_NULL, body);
	
	// Test everything in the json body.
	assertEquals(Test.MATCH, JsonUtils.readStringFromJsonObject(body, RPCMessage.KEY_FUNCTION_NAME), cmd.getFunctionName());
	assertEquals(Test.MATCH, JsonUtils.readIntegerFromJsonObject(body, RPCMessage.KEY_CORRELATION_ID), cmd.getCorrelationID());
} catch (JSONException e) {
	e.printStackTrace();
}    	
  }
 

/**
 * process the signature block file. Goes through the .SF file
 * and adds code signers for each section where the .SF section
 * hash was verified against the Manifest section.
 *
 *
 */
public void process(Hashtable<String, CodeSigner[]> signers,
        List<Object> manifestDigests)
    throws IOException, SignatureException, NoSuchAlgorithmException,
        JarException, CertificateException
{
    // calls Signature.getInstance() and MessageDigest.getInstance()
    // need to use local providers here, see Providers class
    Object obj = null;
    try {
        obj = Providers.startJarVerification();
        processImpl(signers, manifestDigests);
    } finally {
        Providers.stopJarVerification(obj);
    }

}
 

/**
 * Write an IDL interface definition for a Java implementation class
 * @param t The current ImplementationType
 * @param p The output stream.
 */
protected void writeImplementation(
                                   ImplementationType t,
                                   IndentingWriter p )
    throws IOException {
    Hashtable inhHash = new Hashtable();
    Hashtable refHash = new Hashtable();
    getInterfaces( t,inhHash );                            //collect interfaces

    writeBanner( t,0,!isException,p );
    writeInheritedIncludes( inhHash,p );
    writeIfndef( t,0,!isException,!isForward,p );
    writeIncOrb( p );
    writeModule1( t,p );
    p.pln();p.pI();
    p.p( "interface " + t.getIDLName() );
    writeInherits( inhHash,!forValuetype,p );

    p.pln( " {" );
    p.pln( "};" );

    p.pO();p.pln();
    writeModule2( t,p );
    writeEpilog( t,refHash,p );
}
 

/** Read settings from web.xml and use them to initialise the service */
public void init() {
    try {
        ServletContext context = getServletContext();

        // load the urls of the required interfaces
        Map<String, String> urlMap = new Hashtable<String, String>();
        String engineGateway = context.getInitParameter("EngineGateway");
        if (engineGateway != null) urlMap.put("engineGateway", engineGateway);
        String engineLogGateway = context.getInitParameter("EngineLogGateway");
        if (engineGateway != null) urlMap.put("engineLogGateway", engineLogGateway);
        String resourceGateway = context.getInitParameter("ResourceGateway");
        if (engineGateway != null) urlMap.put("resourceGateway", resourceGateway);
        String resourceLogGateway = context.getInitParameter("ResourceLogGateway");
        if (resourceLogGateway != null) urlMap.put("resourceLogGateway", resourceLogGateway);

        MonitorClient.getInstance().initInterfaces(urlMap); 
    }
    catch (Exception e) {
        LogManager.getLogger(this.getClass()).error("Monitor Service Initialisation Exception", e);
    }
}
 

/**
 * Writes serializable fields to stream.
 */
private void writeObject(ObjectOutputStream s)
    throws IOException
{
    Hashtable<String, Component> tab = new Hashtable<>();
    int ncomponents = vector.size();
    for (int i = 0; i < ncomponents; i++) {
        Card card = (Card)vector.get(i);
        tab.put(card.name, card.comp);
    }

    ObjectOutputStream.PutField f = s.putFields();
    f.put("hgap", hgap);
    f.put("vgap", vgap);
    f.put("vector", vector);
    f.put("currentCard", currentCard);
    f.put("tab", tab);
    s.writeFields();
}
 

/**
 * Full constructor
 */
public SnmpRequestHandler(SnmpAdaptorServer server, int id,
                          DatagramSocket s, DatagramPacket p,
                          SnmpMibTree tree, Vector<SnmpMibAgent> m,
                          InetAddressAcl a,
                          SnmpPduFactory factory,
                          SnmpUserDataFactory dataFactory,
                          MBeanServer f, ObjectName n)
{
    super(server, id, f, n);

    // Need a reference on SnmpAdaptorServer for getNext & getBulk,
    // in case of oid equality (mib overlapping).
    //
    adaptor = server;
    socket = s;
    packet = p;
    root= tree;
    mibs = new Vector<>(m);
    subs= new Hashtable<>(mibs.size());
    ipacl = a;
    pduFactory = factory ;
    userDataFactory = dataFactory ;
    //thread.start();
}
 

/**
 * Check a while statement
 */
Vset check(Environment env, Context ctx, Vset vset, Hashtable exp) {
    checkLabel(env, ctx);
    CheckContext newctx = new CheckContext(ctx, this);
    // remember what was unassigned on entry
    Vset vsEntry = vset.copy();
    // check the condition.  Determine which variables have values if
    // it returns true or false.
    ConditionVars cvars =
          cond.checkCondition(env, newctx, reach(env, vset), exp);
    cond = convert(env, newctx, Type.tBoolean, cond);
    // check the body, given that the condition returned true.
    vset = body.check(env, newctx, cvars.vsTrue, exp);
    vset = vset.join(newctx.vsContinue);
    // make sure the back-branch fits the entry of the loop
    ctx.checkBackBranch(env, this, vsEntry, vset);
    // Exit the while loop by testing false or getting a break statement
    vset = newctx.vsBreak.join(cvars.vsFalse);
    return ctx.removeAdditionalVars(vset);
}
 

public final void connect( String username, String password ) throws KettleException {
  Hashtable<String, String> env = new Hashtable<String, String>();
  setupEnvironment( env, username, password );
  try {
    /* Establish LDAP association */
    doConnect( username, password );

    if ( log.isBasic() ) {
      log.logBasic( BaseMessages.getString( PKG, "LDAPInput.Log.ConnectedToServer", hostname, Const.NVL(
        username, "" ) ) );
    }
    if ( log.isDetailed() ) {
      log.logDetailed( BaseMessages.getString( PKG, "LDAPInput.ClassUsed.Message", ctx.getClass().getName() ) );
    }

  } catch ( Exception e ) {
    throw new KettleException( BaseMessages.getString( PKG, "LDAPinput.Exception.ErrorConnecting", e
      .getMessage() ), e );
  }
}
 

public static Context getURLContext(
        String scheme, Hashtable<?,?> environment)
        throws NamingException {
    return new DnsContext("", null, new Hashtable<String,String>()) {
        public Attributes getAttributes(String name, String[] attrIds)
                throws NamingException {
            return new BasicAttributes() {
                public Attribute get(String attrID) {
                    BasicAttribute ba  = new BasicAttribute(attrID);
                    ba.add("1 1 99 b.com.");
                    ba.add("0 0 88 a.com.");    // 2nd has higher priority
                    return ba;
                }
            };
        }
    };
}
 

static ResolveResult getUsingURLIgnoreRootDN(String url, Hashtable<?,?> env)
        throws NamingException {
    LdapURL ldapUrl = new LdapURL(url);
    DirContext ctx = new LdapCtx("", ldapUrl.getHost(), ldapUrl.getPort(),
        env, ldapUrl.useSsl());
    String dn = (ldapUrl.getDN() != null ? ldapUrl.getDN() : "");

    // Represent DN as empty or single-component composite name.
    CompositeName remaining = new CompositeName();
    if (!"".equals(dn)) {
        // if nonempty, add component
        remaining.add(dn);
    }

    return new ResolveResult(ctx, remaining);
}
 

static void getProfileTags(byte [] data, Hashtable tags) {
    ByteBuffer byteBuf = ByteBuffer.wrap(data);
    IntBuffer intBuf = byteBuf.asIntBuffer();
    int tagCount = intBuf.get(TAG_COUNT_OFFSET);
    intBuf.position(TAG_ELEM_OFFSET);
    for (int i = 0; i < tagCount; i++) {
        int tagSig = intBuf.get();
        int tagDataOff = intBuf.get();
        int tagSize = intBuf.get();

        byte [] tagData = new byte[tagSize];
        byteBuf.position(tagDataOff);
        byteBuf.get(tagData);
        tags.put(tagSig, tagData);
    }
}
 

public NamingEnumeration<SearchResult>
    search(Name name,
           String filter,
           SearchControls cons)
    throws NamingException
{

    PartialCompositeDirContext ctx = this;
    Hashtable<?,?> env = p_getEnvironment();
    Continuation cont = new Continuation(name, env);
    NamingEnumeration<SearchResult> answer;
    Name nm = name;

    try {
        answer = ctx.p_search(nm, filter, cons, cont);
        while (cont.isContinue()) {
            nm = cont.getRemainingName();
            ctx = getPCDirContext(cont);
            answer = ctx.p_search(nm, filter, cons, cont);
        }
    } catch (CannotProceedException e) {
        DirContext cctx = DirectoryManager.getContinuationDirContext(e);
        answer = cctx.search(e.getRemainingName(), filter, cons);
    }
    return answer;
}
 

DecodeThread(CaptureView captureView,
               Vector<BarcodeFormat> decodeFormats,
               String characterSet,
               ResultPointCallback resultPointCallback) {
//    Log.i("Test", "DecodeThread create");
    this.captureView = captureView;
    handlerInitLatch = new CountDownLatch(1);//从1开始到计数

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

//    // The prefs can't change while the thread is running, so pick them up once here.
//    if (decodeFormats == null || decodeFormats.isEmpty()) {
//      SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
//      decodeFormats = new Vector<BarcodeFormat>();
//      if (prefs.getBoolean(PreferencesActivity.KEY_DECODE_1D, true)) {
//        decodeFormats.addAll(DecodeFormatManager.ONE_D_FORMATS);
//      }
//      if (prefs.getBoolean(PreferencesActivity.KEY_DECODE_QR, true)) {
//        decodeFormats.addAll(DecodeFormatManager.QR_CODE_FORMATS);
//      }
//      if (prefs.getBoolean(PreferencesActivity.KEY_DECODE_DATA_MATRIX, true)) {
//        decodeFormats.addAll(DecodeFormatManager.DATA_MATRIX_FORMATS);
//      }
//    }
    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);
  }
 

/**
 * java.util.Hashtable#equals(java.lang.Object)
 */
public void test_equalsLjava_lang_Object() {
    // Test for method boolean java.util.Hashtable.equals(java.lang.Object)
    Hashtable h = hashtableClone(ht10);
    assertTrue("Returned false for equal tables", ht10.equals(h));
    assertTrue("Returned true for unequal tables", !ht10.equals(htfull));
}
 

/**
 * Adds the given theme properties on top of the existing properties without
 * clearing the existing theme first
 *
 * @param themeProps the properties of the given theme
 */
public void addThemeProps(Hashtable themeProps) {
    if (accessible) {
        buildTheme(themeProps);
        styles.clear();
        selectedStyles.clear();
        imageCache.clear();
        current.refreshTheme(false);
    }
}
 

private static Collection<Object[]> makeRWNoNullsMaps() {
    return Arrays.asList(
        // null key and value hostile
        new Object[]{"Hashtable", makeMap(Hashtable::new, false, false)},
        new Object[]{"ConcurrentHashMap", makeMap(ConcurrentHashMap::new, false, false)},
        new Object[]{"ConcurrentSkipListMap", makeMap(ConcurrentSkipListMap::new, false, false)},
        new Object[]{"Collections.synchronizedMap(ConcurrentHashMap)", Collections.synchronizedMap(makeMap(ConcurrentHashMap::new, false, false))},
        new Object[]{"Collections.checkedMap(ConcurrentHashMap)", Collections.checkedMap(makeMap(ConcurrentHashMap::new, false, false), IntegerEnum.class, String.class)},
        new Object[]{"ExtendsAbstractMap(ConcurrentHashMap)", makeMap(() -> {return new ExtendsAbstractMap(new ConcurrentHashMap());}, false, false)},
        new Object[]{"ImplementsConcurrentMap", makeMap(ImplementsConcurrentMap::new, false, false)}
        );
}
 

/**
* @return a clone of this object
*/

public Object clone() {
    MimeTypeParameterList newObj = null;
    try {
        newObj = (MimeTypeParameterList)super.clone();
    } catch (CloneNotSupportedException cannotHappen) {
    }
    newObj.parameters = (Hashtable)parameters.clone();
    return newObj;
}
 

@Override
public Hashtable<String, Object> getDump() {
    Hashtable<String, Object> result = super.getDump();
    if (((JPopupMenu) getSource()).getLabel() != null) {
        result.put(LABEL_DPROP, ((JPopupMenu) getSource()).getLabel());
    }
    return result;
}
 

private void writeObject(ObjectOutputStream s) throws IOException {
    Hashtable<String,PermissionCollection> permTable =
            new Hashtable<>(perms);
    ObjectOutputStream.PutField fields = s.putFields();
    fields.put("perms", permTable);
    s.writeFields();
}
 

public static void main(String[] args) {

        //create Hashtable object
        Hashtable ht = new Hashtable();

        //add key value pairs to Hashtable
        ht.put("1", "One");
        ht.put("2", "Two");
        ht.put("3", "Three");

    /*
      get Set of keys contained in Hashtable using
      Set keySet() method of Hashtable class
    */

        Set st = ht.keySet();

        System.out.println("Set created from Hashtable Keys contains :");
        //iterate through the Set of keys
        Iterator itr = st.iterator();
        while (itr.hasNext()) System.out.println(itr.next());

    /*
       Please note that resultant Set object is backed by the Hashtable.
       Any key that is removed from Set will also be removed from
       original Hashtable object. The same is not the case with the element
       addition.
    */

        //remove 2 from Set
        st.remove("2");

        //print keys of original Hashtable
        System.out.println("Hashtable keys after removal from Set are :");
        Enumeration e = ht.keys();
        while (e.hasMoreElements()) System.out.println(e.nextElement());
    }
 

/**
 * <d62023> - write an abstract method definition
 **/
protected void abstractMethod (Hashtable symbolTable, MethodEntry m, PrintWriter stream)
{
  this.symbolTable = symbolTable;
  this.m           = m;
  this.stream      = stream;
  if (m.comment () != null)
    m.comment ().generate ("  ", stream);
  stream.print ("  ");
  stream.print ("public abstract ");
  writeMethodSignature ();
  stream.println (";");
  stream.println ();
}
 

private SpannableStringBuilder injectBadges(XC_MethodHook.MethodHookParam param, Class mediaSpanClass, SpannableStringBuilder chatMsg, Hashtable customBadges) {
    String chatSender = (String) callMethod(param.args[0], "getDisplayName");
    int location = chatMsg.toString().indexOf(chatSender);
    if (location == -1) { return chatMsg; }

    int badgeCount;
    if (location == 0) {
        badgeCount = location;
    } else {
        badgeCount = chatMsg.toString().substring(0, location - 1).split(" ").length;
    }

    for (Object key : customBadges.keySet()) {
        if (badgeCount >= 3) {
            // Already at 3 badges, anymore will clog up chat box
            return chatMsg;
        }
        String keyString = (String) key;
        if (preferences.hiddenBadges().contains(keyString)) {
            continue;
        }
        if (!((ArrayList) ((Hashtable) customBadges.get(keyString)).get("users")).contains(chatSender)) {
            continue;
        }
        String url = (String) ((Hashtable) customBadges.get(keyString)).get("image");
        SpannableString badgeSpan = (SpannableString) callMethod(param.thisObject, "a", param.thisObject, url, Enum.valueOf(mediaSpanClass, "Badge"), keyString + " ", null, true, 8, null);
        chatMsg.insert(location, badgeSpan);
        location += badgeSpan.length();
        badgeCount++;
    }
    return chatMsg;
}
 

private void ensureOpen(boolean startTLS) throws NamingException {

        try {
            if (clnt == null) {
                if (debug) {
                    System.err.println("LdapCtx: Reconnecting " + this);
                }

                // reset the cache before a new connection is established
                schemaTrees = new Hashtable<>(11, 0.75f);
                connect(startTLS);

            } else if (!sharable || startTLS) {

                synchronized (clnt) {
                    if (!clnt.isLdapv3
                        || clnt.referenceCount > 1
                        || clnt.usingSaslStreams()) {
                        closeConnection(SOFT_CLOSE);
                    }
                }
                // reset the cache before a new connection is established
                schemaTrees = new Hashtable<>(11, 0.75f);
                connect(startTLS);
            }

        } finally {
            sharable = true;   // connection is now either new or single-use
                               // OK for others to start sharing again
        }
    }
 

public static String getStubbedConfiguration(Configuration configuration, String originalConfig) throws ConfigurationException {
	Map<String, Object> parameters = new Hashtable<String, Object>();
	// Parameter disableValidators has been used to test the impact of
	// validators on memory usage.
	parameters.put("disableValidators", AppConstants.getInstance(configuration.getClassLoader()).getBoolean(STUB4TESTTOOL_VALIDATORS_DISABLED_KEY, false));
	return transformConfiguration(configuration, originalConfig, STUB4TESTTOOL_XSLT, parameters);
}
 

private boolean isBinaryValued(String attrid,
                               Hashtable<String, Boolean> binaryAttrs) {
    String id = attrid.toLowerCase(Locale.ENGLISH);

    return ((id.indexOf(";binary") != -1) ||
        defaultBinaryAttrs.containsKey(id) ||
        ((binaryAttrs != null) && (binaryAttrs.containsKey(id))));
}