Examples of java.util.Map.containsKey()

java.util.Map.containsKey()
Returns true if this map contains a mapping for the specified key. More formally, returns true if and only if this map contains a mapping for a key k such that (key==null ? k==null : key.equals(k)). (There can be at most one such mapping.) @param key key whose presence in this map is to be tested @return true if this map contains a mapping for the specifiedkey @throws ClassCastException if the key is of an inappropriate type forthis map (optional) @throws NullPointerException if the specified key is null and this mapdoes not permit null keys (optional)

            final Collection attributes = this.getType().getNonArray().getAttributes(true);
            for (final Iterator attributeIterator = attributes.iterator(); attributeIterator.hasNext();)
            {
                final ModelElementFacade attribute = (ModelElementFacade)attributeIterator.next();
                // don't override
                if (!tableColumnsMap.containsKey(attribute.getName()))
                {
                    tableColumnsMap.put(attribute.getName(), attribute);
                }
            }
        }

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        {
            for (final Iterator columnNameIterator = columnNames.iterator(); columnNameIterator.hasNext();)
            {
                final String columnName = (String)columnNameIterator.next();
                // don't override
                if (!tableColumnsMap.containsKey(columnName))
                {
                    tableColumnsMap.put(columnName, columnName);
                }
            }
        }

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                if (property.getAssociation() == null)
                {
                    if (logger.isDebugEnabled())
                    {
                        logger.debug("Attribute found for " + classifier.getName() + ": " + property.getName());
                        if (attributeMap.containsKey(property.getName()))
                        {
                            logger.warn(
                                "An attribute with this name has already been registered, overriding: " +
                                property.getName());
                        }

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         assertEquals("", "send", parser.getDefaultDispatchAction().getAction());
         assertEquals("", "64k", parser.getDefaultStatus());
         Map confMap = parser.getStatusConfigurationMap();
         assertEquals("Illegal map size", 3, confMap.size());
         assertTrue("Missing key", confMap.containsKey("64k"));
         assertTrue("Missing key", confMap.containsKey("2M"));
         assertTrue("Missing key", confMap.containsKey("DOWN"));
         //Iterator it = confMap.keySet().iterator();
         //while (it.hasNext()) {
         //   StatusConfiguration conf = (StatusConfiguration)it.next();

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         assertEquals("", "send", parser.getDefaultDispatchAction().getAction());
         assertEquals("", "64k", parser.getDefaultStatus());
         Map confMap = parser.getStatusConfigurationMap();
         assertEquals("Illegal map size", 3, confMap.size());
         assertTrue("Missing key", confMap.containsKey("64k"));
         assertTrue("Missing key", confMap.containsKey("2M"));
         assertTrue("Missing key", confMap.containsKey("DOWN"));
         //Iterator it = confMap.keySet().iterator();
         //while (it.hasNext()) {
         //   StatusConfiguration conf = (StatusConfiguration)it.next();
         //}

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         assertEquals("", "64k", parser.getDefaultStatus());
         Map confMap = parser.getStatusConfigurationMap();
         assertEquals("Illegal map size", 3, confMap.size());
         assertTrue("Missing key", confMap.containsKey("64k"));
         assertTrue("Missing key", confMap.containsKey("2M"));
         assertTrue("Missing key", confMap.containsKey("DOWN"));
         //Iterator it = confMap.keySet().iterator();
         //while (it.hasNext()) {
         //   StatusConfiguration conf = (StatusConfiguration)it.next();
         //}
         StatusConfiguration conf = (StatusConfiguration)confMap.get("64k");

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    String cmd = "nodeClass=node&node=izar&action=initReplication&p1=Hallo";
    try {
      Map props = StringPairTokenizer.parseToStringClientPropertyPairs(
          cmd, "&", "=");


      assertTrue("Missing property", props.containsKey("nodeClass"));
      assertTrue("Missing property", props.containsKey("node"));
      assertTrue("Missing property", props.containsKey("action"));
      assertTrue("Missing property", props.containsKey("p1"));
      assertFalse("Property to much", props.containsKey("izar"));

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    try {
      Map props = StringPairTokenizer.parseToStringClientPropertyPairs(
          cmd, "&", "=");


      assertTrue("Missing property", props.containsKey("nodeClass"));
      assertTrue("Missing property", props.containsKey("node"));
      assertTrue("Missing property", props.containsKey("action"));
      assertTrue("Missing property", props.containsKey("p1"));
      assertFalse("Property to much", props.containsKey("izar"));


      // for some reason, they don't work :-(

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      Map props = StringPairTokenizer.parseToStringClientPropertyPairs(
          cmd, "&", "=");


      assertTrue("Missing property", props.containsKey("nodeClass"));
      assertTrue("Missing property", props.containsKey("node"));
      assertTrue("Missing property", props.containsKey("action"));
      assertTrue("Missing property", props.containsKey("p1"));
      assertFalse("Property to much", props.containsKey("izar"));


      // for some reason, they don't work :-(
//      assertEquals("wrong value", "node", props.get("nodeClass"));

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          cmd, "&", "=");


      assertTrue("Missing property", props.containsKey("nodeClass"));
      assertTrue("Missing property", props.containsKey("node"));
      assertTrue("Missing property", props.containsKey("action"));
      assertTrue("Missing property", props.containsKey("p1"));
      assertFalse("Property to much", props.containsKey("izar"));


      // for some reason, they don't work :-(
//      assertEquals("wrong value", "node", props.get("nodeClass"));
//      assertEquals("wrong value", "izar", props.get("node"));

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