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## org.eclipse.lyo.oslc4j.provider.json4j
Class JsonHelper

    java.lang.Object
      org.eclipse.lyo.oslc4j.provider.json4j.JsonHelper

    public final class JsonHelper

extends Object

Field Summary
`static String` | `OSLC4J_READ_SPECIAL_NUMS` System property "org.eclipse.lyo.oslc4j.readSpecialNumberValues" : When "true", read "INF", "-INF", and "NaN" strings for Infinity, -Infinity, and NaN float and double values, respectively.
`static String` | `OSLC4J_WRITE_SPECIAL_NUMS` System property "org.eclipse.lyo.oslc4j.writeSpecialNumberValues" : When "true", write "INF", "-INF", and "NaN" strings for Infinity, -Infinity, and NaN float and double values, respectively.

Method Summary
`protected static void` | `addAboutURI(org.apache.wink.json4j.JSONObject jsonObject, Map<String,String> namespaceMappings, Map<String,String> reverseNamespaceMappings, Class<? extends Object> objectClass, URI aboutURI)`
`protected static void` | `addExtendedProperties(Map<String,String> namespaceMappings, Map<String,String> reverseNamespaceMappings, org.apache.wink.json4j.JSONObject jsonObject, IExtendedResource extendedResource, Map<String,Object> properties, Map<Object,org.apache.wink.json4j.JSONObject> visitedObjects)`
`static org.apache.wink.json4j.JSONObject` | `createJSON(String descriptionAbout, String responseInfoAbout, ResponseInfo<?> responseInfo, Object[] objects, Map<String,Object> properties)`
`protected static void` | `fillInRdfType(String rdfPrefix, org.apache.wink.json4j.JSONObject jsonObject, IExtendedResource resource)`
`static Object[]` | `fromJSON(org.apache.wink.json4j.JSONObject jsonObject, Class<?> beanClass)`
`protected static org.apache.wink.json4j.JSONObject` | `handleResourceReference(Map<String,String> namespaceMappings, Map<String,String> reverseNamespaceMappings, Class<?> resourceClass, Method method, URI uri)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### OSLC4J_WRITE_SPECIAL_NUMS

    public static final String OSLC4J_WRITE_SPECIAL_NUMS

  System property "org.eclipse.lyo.oslc4j.writeSpecialNumberValues" : When "true", write "INF", "-INF", and "NaN" strings for Infinity, -Infinity, and NaN float and double values, respectively. Enabled by default.

  See Also:
    `OSLC4J_READ_SPECIAL_NUMS`, Constant Field Values

### OSLC4J_READ_SPECIAL_NUMS

    public static final String OSLC4J_READ_SPECIAL_NUMS

  System property "org.eclipse.lyo.oslc4j.readSpecialNumberValues" : When "true", read "INF", "-INF", and "NaN" strings for Infinity, -Infinity, and NaN float and double values, respectively. Enabled by default.

  See Also:
    `OSLC4J_WRITE_SPECIAL_NUMS`, Constant Field Values

Method Detail

### createJSON

    public static org.apache.wink.json4j.JSONObject createJSON(String descriptionAbout,
                                                               String responseInfoAbout,
                                                               ResponseInfo<?> responseInfo,
                                                               Object[] objects,
                                                               Map<String,Object> properties)
                                                        throws DatatypeConfigurationException,
                                                               IllegalAccessException,
                                                               IllegalArgumentException,
                                                               InvocationTargetException,
                                                               org.apache.wink.json4j.JSONException,
                                                               OslcCoreApplicationException

  Throws:
    `DatatypeConfigurationException`
    `IllegalAccessException`
    `IllegalArgumentException`
    `InvocationTargetException`
    `org.apache.wink.json4j.JSONException`
    `OslcCoreApplicationException`

### fromJSON

    public static Object[] fromJSON(org.apache.wink.json4j.JSONObject jsonObject,
                                    Class<?> beanClass)
                             throws DatatypeConfigurationException,
                                    IllegalAccessException,
                                    IllegalArgumentException,
                                    InstantiationException,
                                    InvocationTargetException,
                                    OslcCoreApplicationException,
                                    URISyntaxException

  Throws:
    `DatatypeConfigurationException`
    `IllegalAccessException`
    `IllegalArgumentException`
    `InstantiationException`
    `InvocationTargetException`
    `OslcCoreApplicationException`
    `URISyntaxException`

### addExtendedProperties

    protected static void addExtendedProperties(Map<String,String> namespaceMappings,
                                                Map<String,String> reverseNamespaceMappings,
                                                org.apache.wink.json4j.JSONObject jsonObject,
                                                IExtendedResource extendedResource,
                                                Map<String,Object> properties,
                                                Map<Object,org.apache.wink.json4j.JSONObject> visitedObjects)
                                         throws org.apache.wink.json4j.JSONException,
                                                DatatypeConfigurationException,
                                                IllegalAccessException,
                                                InvocationTargetException,
                                                OslcCoreApplicationException

  Throws:
    `org.apache.wink.json4j.JSONException`
    `DatatypeConfigurationException`
    `IllegalAccessException`
    `InvocationTargetException`
    `OslcCoreApplicationException`

### handleResourceReference

    protected static org.apache.wink.json4j.JSONObject handleResourceReference(Map<String,String> namespaceMappings,
                                                                               Map<String,String> reverseNamespaceMappings,
                                                                               Class<?> resourceClass,
                                                                               Method method,
                                                                               URI uri)
                                                                        throws OslcCoreRelativeURIException,
                                                                               org.apache.wink.json4j.JSONException

  Throws:
    `OslcCoreRelativeURIException`
    `org.apache.wink.json4j.JSONException`

### addAboutURI

    protected static void addAboutURI(org.apache.wink.json4j.JSONObject jsonObject,
                                      Map<String,String> namespaceMappings,
                                      Map<String,String> reverseNamespaceMappings,
                                      Class<? extends Object> objectClass,
                                      URI aboutURI)
                               throws OslcCoreRelativeURIException,
                                      org.apache.wink.json4j.JSONException

  Throws:
    `OslcCoreRelativeURIException`
    `org.apache.wink.json4j.JSONException`

### fillInRdfType

    protected static void fillInRdfType(String rdfPrefix,
                                        org.apache.wink.json4j.JSONObject jsonObject,
                                        IExtendedResource resource)
                                 throws URISyntaxException

  Throws:
    `URISyntaxException`

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