org.raml.yagi.framework.util

Class NodeSelector

java.lang.Object

org.raml.yagi.framework.util.NodeSelector

public class NodeSelector
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static String	ENCODED_SLASH
static String	PARENT_EXPR
static String	WILDCARD_SELECTOR

Constructor Summary

Constructors

Constructor and Description
NodeSelector()

Method Summary

Modifier and Type	Method and Description
static String	encodePath(String path)
static Boolean	selectBooleanValue(String path, Node from)
static Node	selectFrom(String path, Node from) Resolves a path in the specified node.
static Integer	selectIntValue(String path, Node from)
static Number	selectNumberValue(String path, Node from)
static List<String>	selectStringCollection(String path, Node from)
static String	selectStringValue(String path, Node from)
static <T> T	selectType(String path, Node from, T defaultValue)

Methods inherited from class java.lang.Object

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

Field Detail

PARENT_EXPR

public static final String PARENT_EXPR

See Also:

Constant Field Values

WILDCARD_SELECTOR

public static final String WILDCARD_SELECTOR

See Also:

Constant Field Values

ENCODED_SLASH

public static final String ENCODED_SLASH

See Also:

Constant Field Values

Constructor Detail

NodeSelector

public NodeSelector()

Method Detail

selectFrom

@Nullable
public static Node selectFrom(String path,
                                        Node from)

Resolves a path in the specified node. The path uses a very simple expression system like xpath where each element is separated by /.

"name" -> return the value of field with key that matches the specified name.
.. -> returns the parent
* -> wild card selector
[number] -> returns the element at that index zero base index. The number should be equal or greater than zero

Parameters:

path - The path example schemas/foo

from - The source where to query

Returns:

The result null if no match

selectIntValue

@Nullable
public static Integer selectIntValue(String path,
                                               Node from)

selectNumberValue

@Nullable
public static Number selectNumberValue(String path,
                                                 Node from)

selectBooleanValue

@Nullable
public static Boolean selectBooleanValue(String path,
                                                   Node from)

selectStringValue

@Nullable
public static String selectStringValue(String path,
                                                 Node from)

selectType

public static <T> T selectType(String path,
                               Node from,
                               T defaultValue)

selectStringCollection

@Nonnull
public static List<String> selectStringCollection(String path,
                                                           Node from)

encodePath

public static String encodePath(String path)