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)

                     if (!E.hasAttributeNS(
                             XML_LANG_URI,
                             currentAncestorAttr.getLocalName())) {


                        // the xml:* attr is not in E
                        if (!loa.containsKey(currentAncestorAttr.getName())) {
                           loa.put(currentAncestorAttr.getName(),
                                   currentAncestorAttr);
                        }
                     }
                  }

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     */
    public static Object checkContextKeys(final InvocationContext ic, final Object[] keys) throws Exception {
        Map mContext = ic.getContextData();
        if (keys != null) {
            for (Object o : keys) {
                if (!mContext.containsKey(o)) {
                    throw new Exception("Object not found.");
                }
            }
        }
        return ic.proceed();

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            MetadataDeserializerFactory.getProperties(MetaBean.class, null);
        
        Method m = MetaBean.class.getMethod("getWorld", new Class[0] );
        assertTrue( Attributes.hasAttributeType(m, NonWebMethod.class) );
        
        assertTrue( properties.containsKey("hello") );
        assertTrue( !properties.containsKey("world") );
    }
}

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        Method m = MetaBean.class.getMethod("getWorld", new Class[0] );
        assertTrue( Attributes.hasAttributeType(m, NonWebMethod.class) );
        
        assertTrue( properties.containsKey("hello") );
        assertTrue( !properties.containsKey("world") );
    }
}

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    for (ConstraintViolation<ActionSupport> constrantViolation : constraintViolations) {
      Path fieldPath = constrantViolation.getPropertyPath();
      Map<String, Object> attrs = constrantViolation.getConstraintDescriptor().getAttributes();
      if (invalidFieldNames.contains(fieldPath))
        continue;
      if (parameters.containsKey(fieldPath.toString())) {
        invalidValuesFromRequest.add(constrantViolation);
        invalidFieldNames.add(fieldPath);
      }
    }  
    constraintViolations.clear();

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    Map parameters = ActionContext.getContext().getParameters();
    for (InvalidValue invalidValue : invalidValues) {
      String fieldFullName = invalidValue.getPropertyPath();
      if (invalidFieldNames.contains(fieldFullName))
        continue;
      if (parameters.containsKey(fieldFullName)) {
        invalidValuesFromRequest.add(invalidValue);
        invalidFieldNames.add(fieldFullName);
      }
    }
    invalidValues=null;

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                    // Get multiple output parts from the map
                    for ( int p = 0; p < fieldOutParameterNames.length; p++ )
                    {
                        String pName = fieldOutParameterNames[p];
                        if ( returnedMap.containsKey( pName ) )
                        {
                            Object outPart = returnedMap.get( pName );
                            output.setObjectPart( pName, outPart );
                        }
                        else

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    String styleName = attributes.getValue(styleAttribute);
    if (styleName != null)
    {
      Map stylesMap = jasperDesign.getStylesMap();
      if (stylesMap.containsKey(styleName))
      {
        JRStyle style = (JRStyle) stylesMap.get(styleName);
        styleContainer.setStyle(style);
      }
      else

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          }
        }
      }
    }
    
    if (!parameterValues.containsKey(JRParameter.REPORT_LOCALE))
    {
      parameterValues.put(JRParameter.REPORT_LOCALE, filler.getLocale());
    }


    if (!parameterValues.containsKey(JRParameter.REPORT_TIME_ZONE))

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    if (!parameterValues.containsKey(JRParameter.REPORT_LOCALE))
    {
      parameterValues.put(JRParameter.REPORT_LOCALE, filler.getLocale());
    }


    if (!parameterValues.containsKey(JRParameter.REPORT_TIME_ZONE))
    {
      parameterValues.put(JRParameter.REPORT_TIME_ZONE, filler.getTimeZone());
    }


    if (

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