net.obvj.confectory.helper

Class GenericJsonConfigurationHelper<J>

java.lang.Object

net.obvj.confectory.helper.GenericJsonConfigurationHelper<J>

All Implemented Interfaces:

ConfigurationDataRetriever<J>, ConfigurationHelper<J>

Direct Known Subclasses:

JsonSmartConfigurationHelper

public class GenericJsonConfigurationHelper<J>
extends Object
implements ConfigurationHelper<J>

A generic Configuration Helper that retrieves data from a JSON document, with JSONPath capabilities.

Since:

0.3.0

Author:

oswaldo.bapvic.jr (Oswaldo Junior)

Method Summary

Modifier and Type	Method and Description
Object	get(String jsonPath) Returns the object associated with the specified @code jsonPath} in the JSON document in context.
J	getBean() Returns the configuration bean used by this data retriever, typically for manual handling and/or troubleshooting purposes.
Boolean	getBoolean(String jsonPath) Returns the Boolean object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to boolean.
Double	getDouble(String jsonPath) Returns the Double object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to double.
Integer	getInteger(String jsonPath) Returns the Integer object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to int.
Long	getLong(String jsonPath) Returns the Long object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to long.
Boolean	getMandatoryBoolean(String jsonPath) Returns the Boolean object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to boolean.
Double	getMandatoryDouble(String jsonPath) Returns the Double object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to double.
Integer	getMandatoryInteger(String jsonPath) Returns the Integer object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to int.
Long	getMandatoryLong(String jsonPath) Returns the Long object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to long.
String	getMandatoryString(String jsonPath) Returns the String object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element.
String	getString(String jsonPath) Returns the String object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getBean

public J getBean()

Description copied from interface: ConfigurationDataRetriever

Returns the configuration bean used by this data retriever, typically for manual handling and/or troubleshooting purposes.

Specified by:

getBean in interface ConfigurationDataRetriever<J>

Returns:

the JSON document in context

getBoolean

public Boolean getBoolean(String jsonPath)

Returns the Boolean object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to boolean.

Specified by:

getBoolean in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the Boolean object associated with the specified jsonPath; null if the path is not found

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if the jsonPath expression returns more than a single element

ClassCastException - if the jsonPath result cannot be assigned to boolean

getMandatoryBoolean

public Boolean getMandatoryBoolean(String jsonPath)

Returns the Boolean object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to boolean.

Specified by:

getMandatoryBoolean in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the Boolean object associated with the specified jsonPath; never null

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if not value found or the jsonPath expression returns more than a single element

ClassCastException - if the jsonPath result cannot be assigned to boolean

Since:

0.4.0

getInteger

public Integer getInteger(String jsonPath)

Returns the Integer object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to int.

Specified by:

getInteger in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the Integer object associated with the specified jsonPath; null if the path is not found

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if the jsonPath expression returns more than a single element

ClassCastException - if the jsonPath result cannot be assigned to int

getMandatoryInteger

public Integer getMandatoryInteger(String jsonPath)

Returns the Integer object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to int.

Specified by:

getMandatoryInteger in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the Integer object associated with the specified jsonPath; never null

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if not value found or the jsonPath expression returns more than a single element

ClassCastException - if the jsonPath result cannot be assigned to int

Since:

0.4.0

getLong

public Long getLong(String jsonPath)

Returns the Long object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to long.

Specified by:

getLong in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the Long object associated with the specified jsonPath; null if the path is not found

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if the jsonPath expression returns more than a single element

ClassCastException - if the jsonPath result cannot be assigned to long

getMandatoryLong

public Long getMandatoryLong(String jsonPath)

Returns the Long object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to long.

Specified by:

getMandatoryLong in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the Long object associated with the specified jsonPath; never null

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if not value found or the jsonPath expression returns more than a single element

ClassCastException - if the jsonPath result cannot be assigned to long

Since:

0.4.0

getDouble

public Double getDouble(String jsonPath)

Returns the Double object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to double.

Specified by:

getDouble in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the Double object associated with the specified jsonPath; null if the path is not found

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if the jsonPath expression returns more than a single element

ClassCastException - if the jsonPath result cannot be assigned to double

getMandatoryDouble

public Double getMandatoryDouble(String jsonPath)

Returns the Double object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element that can be mapped to double.

Specified by:

getMandatoryDouble in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the Double object associated with the specified jsonPath; never null

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if not value found or the jsonPath expression returns more than a single element

ClassCastException - if the jsonPath result cannot be assigned to double

Since:

0.4.0

getString

public String getString(String jsonPath)

Returns the String object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element.

Specified by:

getString in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the String object associated with the specified jsonPath; null if the path is not found

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if the jsonPath expression returns more than a single element

getMandatoryString

public String getMandatoryString(String jsonPath)

Returns the String object associated with the specified jsonPath in the JsonNode in context, provided that the expression returns a single element.

Specified by:

getMandatoryString in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the String value associated with the specified jsonPath; never null

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

ConfigurationException - if not value found or the jsonPath expression returns more than a single element

Since:

0.4.0

get

public Object get(String jsonPath)

Returns the object associated with the specified @code jsonPath} in the JSON document in context.

Note: The actual return type may vary depending on the JSON implementation, but usually it should be an array.

Specified by:

get in interface ConfigurationDataRetriever<J>

Parameters:

jsonPath - the path to read

Returns:

the object associated with the specified key; or an empty array if the path is not found

Throws:

IllegalArgumentException - if jsonPath is null or empty

com.jayway.jsonpath.InvalidPathException - if the jsonPath expression is not valid

Since:

1.2.0