Package de.monticore.symboltable.serialization.json

Class JsonObject

java.lang.Object

de.monticore.symboltable.serialization.json.JsonObject

All Implemented Interfaces:

JsonElement

Direct Known Subclasses:

TraceableJsonObject

public class JsonObject
extends Object
implements JsonElement

Json Objects contain members in form of name-value pairs. The name is a (unique) String, and the value any JsonElement.

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,JsonElement>	members

Constructor Summary

Constructors

Constructor	Description
JsonObject()

Method Summary

Modifier and Type	Method	Description
List<JsonElement>	getArrayMember(String name)	This method returns the value of an Array member of this object, if it exists, Otherwise, raises an error and returns null.
Optional<List<JsonElement>>	getArrayMemberOpt(String name)	This method returns an Optional of an Array member of this object, if it exists, Otherwise, returns an empty optional.
JsonObject	getAsJsonObject()	As this is a Json object, return "this"
boolean	getBooleanMember(String name)	This method returns the value of a Boolean member of this object, if it exists, Otherwise, raises an error and returns null.
Optional<Boolean>	getBooleanMemberOpt(String name)	This method returns an Optional of a Boolean member of this object, if it exists, Otherwise, returns an empty optional.
double	getDoubleMember(String name)	This method returns the value of an Double member of this object, if it exists, Otherwise, raises an error and returns null.
Optional<Double>	getDoubleMemberOpt(String name)	This method returns an Optional of an Double member of this object, if it exists, Otherwise, returns an empty optional.
float	getFloatMember(String name)	This method returns the value of an Float member of this object, if it exists, Otherwise, raises an error and returns null.
Optional<Float>	getFloatMemberOpt(String name)	This method returns an Optional of an Double member of this object, if it exists, Otherwise, returns an empty optional.
int	getIntegerMember(String name)	This method returns the value of an Integer member of this object, if it exists, Otherwise, raises an error and returns null.
Optional<Integer>	getIntegerMemberOpt(String name)	This method returns an Optional of an Integer member of this object, if it exists, Otherwise, returns an empty optional.
long	getLongMember(String name)	This method returns the value of an Long member of this object, if it exists, Otherwise, raises an error and returns null.
Optional<Long>	getLongMemberOpt(String name)	This method returns an Optional of an Long member of this object, if it exists, Otherwise, returns an empty optional.
JsonElement	getMember(String name)
Set<String>	getMemberNames()
Map<String,JsonElement>	getMembers()	A map with all members of this object
JsonObject	getObjectMember(String name)	This method returns the value of an Object member of this object, if it exists, Otherwise, raises an error and returns null.
Optional<JsonObject>	getObjectMemberOpt(String name)	This method returns an Optional of an Object member of this object, if it exists, Otherwise, returns an empty optional.
String	getStringMember(String name)	This method returns the value of a String member of this object, if it exists, Otherwise, raises an error and returns null.
Optional<String>	getStringMemberOpt(String name)	This method returns an Optional of a String member of this object, if it exists, Otherwise, returns an empty optional.
boolean	hasArrayMember(String name)	Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Array.
boolean	hasBooleanMember(String name)	Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Boolean.
boolean	hasDoubleMember(String name)	Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Double.
boolean	hasFloatMember(String name)	Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Float.
boolean	hasIntegerMember(String name)	Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Integer.
boolean	hasLongMember(String name)	Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Long.
boolean	hasMember(String name)
boolean	hasMembers()
boolean	hasObjectMember(String name)	Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Object.
boolean	hasStringMember(String name)	Checks whether there exists a member with the corresponding name and checks whether it is of type String.
boolean	isJsonObject()	As this is a Json object, return true
String	print(IndentPrinter p)
JsonElement	putMember(String name, JsonElement value)
JsonElement	removeMember(String name)
void	setMembers(Map<String,JsonElement> members)
int	sizeMembers()
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface de.monticore.symboltable.serialization.json.JsonElement

getAsJsonArray, getAsJsonBoolean, getAsJsonNull, getAsJsonNumber, getAsJsonString, isJsonArray, isJsonBoolean, isJsonNull, isJsonNumber, isJsonString

Field Details

members

protected Map<String,JsonElement> members

Constructor Details

JsonObject

public JsonObject()

Method Details

isJsonObject

public boolean isJsonObject()

As this is a Json object, return true

Specified by:

isJsonObject in interface JsonElement

Returns:

getAsJsonObject

public JsonObject getAsJsonObject()

As this is a Json object, return "this"

Specified by:

getAsJsonObject in interface JsonElement

Returns:

getMembers

public Map<String,JsonElement> getMembers()

A map with all members of this object

Returns:

attributes

setMembers

public void setMembers(Map<String,JsonElement> members)

Parameters:

members - the attributes to set

sizeMembers

public int sizeMembers()

Returns:

See Also:

• Map.size()

hasMembers

public boolean hasMembers()

Returns:

See Also:

• Map.isEmpty()

hasMember

public boolean hasMember(String name)

Parameters:

name -

Returns:

See Also:

• Map.containsKey(java.lang.Object)

getMember

public JsonElement getMember(String name)

Parameters:

name -

Returns:

See Also:

• Map.get(java.lang.Object)

putMember

public JsonElement putMember(String name,
 JsonElement value)

Parameters:

name -

value -

Returns:

See Also:

• Map.put(java.lang.Object, java.lang.Object)

removeMember

public JsonElement removeMember(String name)

Parameters:

name -

Returns:

See Also:

• Map.remove(java.lang.Object)

getMemberNames

public Set<String> getMemberNames()

Returns:

See Also:

• Map.keySet()

toString

public String toString()

Overrides:

toString in class Object

See Also:

• Object.toString()

hasStringMember

public boolean hasStringMember(String name)

Checks whether there exists a member with the corresponding name and checks whether it is of type String.

Parameters:

name - The name of the possible JSON element

Returns:

true if the correctly typed member available, false otherwise

getStringMember

public String getStringMember(String name)

This method returns the value of a String member of this object, if it exists, Otherwise, raises an error and returns null.

Parameters:

name -

Returns:

getStringMemberOpt

public Optional<String> getStringMemberOpt(String name)

This method returns an Optional of a String member of this object, if it exists, Otherwise, returns an empty optional.

Parameters:

name -

Returns:

hasArrayMember

public boolean hasArrayMember(String name)

Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Array.

Parameters:

name - The name of the possible JSON element

Returns:

true if the correctly typed member available, false otherwise

getArrayMember

public List<JsonElement> getArrayMember(String name)

This method returns the value of an Array member of this object, if it exists, Otherwise, raises an error and returns null.

Parameters:

name -

Returns:

getArrayMemberOpt

public Optional<List<JsonElement>> getArrayMemberOpt(String name)

This method returns an Optional of an Array member of this object, if it exists, Otherwise, returns an empty optional.

Parameters:

name -

Returns:

hasBooleanMember

public boolean hasBooleanMember(String name)

Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Boolean.

Parameters:

name - The name of the possible JSON element

Returns:

true if the correctly typed member available, false otherwise

getBooleanMember

public boolean getBooleanMember(String name)

This method returns the value of a Boolean member of this object, if it exists, Otherwise, raises an error and returns null.

Parameters:

name -

Returns:

getBooleanMemberOpt

public Optional<Boolean> getBooleanMemberOpt(String name)

This method returns an Optional of a Boolean member of this object, if it exists, Otherwise, returns an empty optional.

Parameters:

name -

Returns:

hasObjectMember

public boolean hasObjectMember(String name)

Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Object.

Parameters:

name - The name of the possible JSON element

Returns:

true if the correctly typed member available, false otherwise

getObjectMember

public JsonObject getObjectMember(String name)

This method returns the value of an Object member of this object, if it exists, Otherwise, raises an error and returns null.

Parameters:

name -

Returns:

getObjectMemberOpt

public Optional<JsonObject> getObjectMemberOpt(String name)

This method returns an Optional of an Object member of this object, if it exists, Otherwise, returns an empty optional.

Parameters:

name -

Returns:

hasIntegerMember

public boolean hasIntegerMember(String name)

Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Integer.

Parameters:

name - The name of the possible JSON element

Returns:

true if the correctly typed member available, false otherwise

getIntegerMember

public int getIntegerMember(String name)

This method returns the value of an Integer member of this object, if it exists, Otherwise, raises an error and returns null.

Parameters:

name -

Returns:

getIntegerMemberOpt

public Optional<Integer> getIntegerMemberOpt(String name)

This method returns an Optional of an Integer member of this object, if it exists, Otherwise, returns an empty optional.

Parameters:

name -

Returns:

hasDoubleMember

public boolean hasDoubleMember(String name)

Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Double.

Parameters:

name - The name of the possible JSON element

Returns:

true if the correctly typed member available, false otherwise

getDoubleMember

public double getDoubleMember(String name)

This method returns the value of an Double member of this object, if it exists, Otherwise, raises an error and returns null.

Parameters:

name -

Returns:

getDoubleMemberOpt

public Optional<Double> getDoubleMemberOpt(String name)

This method returns an Optional of an Double member of this object, if it exists, Otherwise, returns an empty optional.

Parameters:

name -

Returns:

hasFloatMember

public boolean hasFloatMember(String name)

Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Float.

Parameters:

name - The name of the possible JSON element

Returns:

true if the correctly typed member available, false otherwise

getFloatMember

public float getFloatMember(String name)

This method returns the value of an Float member of this object, if it exists, Otherwise, raises an error and returns null.

Parameters:

name -

Returns:

getFloatMemberOpt

public Optional<Float> getFloatMemberOpt(String name)

This method returns an Optional of an Double member of this object, if it exists, Otherwise, returns an empty optional.

Parameters:

name -

Returns:

hasLongMember

public boolean hasLongMember(String name)

Checks whether there exists a member with the corresponding name and checks whether it is of type JSON-Long.

Parameters:

name - The name of the possible JSON element

Returns:

true if the correctly typed member available, false otherwise

getLongMember

public long getLongMember(String name)

This method returns the value of an Long member of this object, if it exists, Otherwise, raises an error and returns null.

Parameters:

name -

Returns:

getLongMemberOpt

public Optional<Long> getLongMemberOpt(String name)

This method returns an Optional of an Long member of this object, if it exists, Otherwise, returns an empty optional.

Parameters:

name -

Returns:

print

public String print(IndentPrinter p)

Specified by:

print in interface JsonElement