org.schabi.newpipe.extractor.utils

Class JsonUtils

java.lang.Object

org.schabi.newpipe.extractor.utils.JsonUtils

public final class JsonUtils
extends Object

Method Summary

Modifier and Type	Method and Description
static com.grack.nanojson.JsonArray	getArray(com.grack.nanojson.JsonObject object, String path)
static Boolean	getBoolean(com.grack.nanojson.JsonObject object, String path)
static com.grack.nanojson.JsonObject	getJsonData(String html, String variable) Get an attribute of a web page as JSON
static Number	getNumber(com.grack.nanojson.JsonObject object, String path)
static com.grack.nanojson.JsonObject	getObject(com.grack.nanojson.JsonObject object, String path)
static String	getString(com.grack.nanojson.JsonObject object, String path)
static List<String>	getStringListFromJsonArray(com.grack.nanojson.JsonArray array)
static Object	getValue(com.grack.nanojson.JsonObject object, String path)
static List<Object>	getValues(com.grack.nanojson.JsonArray array, String path)
static com.grack.nanojson.JsonArray	toJsonArray(String responseBody)
static com.grack.nanojson.JsonObject	toJsonObject(String responseBody)

Methods inherited from class java.lang.Object

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

Method Detail

getValue

@Nonnull
public static Object getValue(@Nonnull
                                       com.grack.nanojson.JsonObject object,
                                       @Nonnull
                                       String path)
                                throws ParsingException

Throws:

ParsingException

getString

@Nonnull
public static String getString(@Nonnull
                                        com.grack.nanojson.JsonObject object,
                                        @Nonnull
                                        String path)
                                 throws ParsingException

Throws:

ParsingException

getBoolean

@Nonnull
public static Boolean getBoolean(@Nonnull
                                          com.grack.nanojson.JsonObject object,
                                          @Nonnull
                                          String path)
                                   throws ParsingException

Throws:

ParsingException

getNumber

@Nonnull
public static Number getNumber(@Nonnull
                                        com.grack.nanojson.JsonObject object,
                                        @Nonnull
                                        String path)
                                 throws ParsingException

Throws:

ParsingException

getObject

@Nonnull
public static com.grack.nanojson.JsonObject getObject(@Nonnull
                                                               com.grack.nanojson.JsonObject object,
                                                               @Nonnull
                                                               String path)
                                                        throws ParsingException

Throws:

ParsingException

getArray

@Nonnull
public static com.grack.nanojson.JsonArray getArray(@Nonnull
                                                             com.grack.nanojson.JsonObject object,
                                                             @Nonnull
                                                             String path)
                                                      throws ParsingException

Throws:

ParsingException

getValues

@Nonnull
public static List<Object> getValues(@Nonnull
                                              com.grack.nanojson.JsonArray array,
                                              @Nonnull
                                              String path)
                                       throws ParsingException

Throws:

ParsingException

toJsonArray

public static com.grack.nanojson.JsonArray toJsonArray(String responseBody)
                                                throws ParsingException

Throws:

ParsingException

toJsonObject

public static com.grack.nanojson.JsonObject toJsonObject(String responseBody)
                                                  throws ParsingException

Throws:

ParsingException

getJsonData

public static com.grack.nanojson.JsonObject getJsonData(String html,
                                                        String variable)
                                                 throws com.grack.nanojson.JsonParserException,
                                                        ArrayIndexOutOfBoundsException

Get an attribute of a web page as JSON

Originally a part of bandcampDirect.

Example HTML:

 
 <p data-town="{&quot;name&quot;:&quot;Mycenae&quot;,&quot;country&quot;:&quot;Greece&quot;}">
 This is Sparta!</p>
 
 

Calling this function to get the attribute data-town returns the JsonObject for

 
   {
     "name": "Mycenae",
     "country": "Greece"
   }
 
 

Parameters:

html - The HTML where the JSON we're looking for is stored inside a variable inside some JavaScript block

variable - Name of the variable

Returns:

The JsonObject stored in the variable with this name

Throws:

com.grack.nanojson.JsonParserException

ArrayIndexOutOfBoundsException

getStringListFromJsonArray

public static List<String> getStringListFromJsonArray(@Nonnull
                                                      com.grack.nanojson.JsonArray array)