package com.intellectualcrafters.configuration;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* Represents a section of a {@link Configuration}.
*/
public interface ConfigurationSection {
/**
* Gets a set containing all keys in this section.
*
* <p>If deep is set to true, then this will contain all the keys within any
* child {@link ConfigurationSection}s (and their children, etc). These
* will be in a valid path notation for you to use.
*
* <p>If deep is set to false, then this will contain only the keys of any
* direct children, and not their own children.
*
* @param deep Whether or not to get a deep list, as opposed to a shallow
* list.
* @return Set of keys contained within this ConfigurationSection.
*/
Set<String> getKeys(boolean deep);
/**
* Gets a Map containing all keys and their values for this section.
*
* <p>If deep is set to true, then this will contain all the keys and values
* within any child {@link ConfigurationSection}s (and their children,
* etc). These keys will be in a valid path notation for you to use.
*
* <p>If deep is set to false, then this will contain only the keys and
* values of any direct children, and not their own children.
*
* @param deep Whether or not to get a deep list, as opposed to a shallow
* list.
* @return Map of keys and values of this section.
*/
Map<String, Object> getValues(boolean deep);
/**
* Checks if this {@link ConfigurationSection} contains the given path.
*
* <p>If the value for the requested path does not exist but a default value
* has been specified, this will return true.
*
* @param path Path to check for existence.
* @return True if this section contains the requested path, either via
* default or being set.
* @throws IllegalArgumentException Thrown when path is {@code null}.
*/
boolean contains(String path);
/**
* Checks if this {@link ConfigurationSection} has a value set for the
* given path.
*
* <p>If the value for the requested path does not exist but a default value
* has been specified, this will still return false.
*
* @param path Path to check for existence.
* @return True if this section contains the requested path, regardless of
* having a default.
* @throws IllegalArgumentException Thrown when path is {@code null}.
*/
boolean isSet(String path);
/**
* Gets the path of this {@link ConfigurationSection} from its root {@link
* Configuration}.
*
* <p>For any {@link Configuration} themselves, this will return an empty
* string.
*
* <p>If the section is no longer contained within its root for any reason,
* such as being replaced with a different value,
* this may return {@code null}.
*
* <p>To retrieve the single name of this section, that is, the final part
* of the path returned by this method, you may use {@link #getName()}.
*
* @return Path of this section relative to its root
*/
String getCurrentPath();
/**
* Gets the name of this individual {@link ConfigurationSection}, in the
* path.
*
* <p>This will always be the final part of {@link #getCurrentPath()}, unless
* the section is orphaned.
*
* @return Name of this section
*/
String getName();
/**
* Gets the root {@link Configuration} that contains this {@link
* ConfigurationSection}
*
* <p>For any {@link Configuration} themselves, this will return its own
* object.
*
* <p>If the section is no longer contained within its root for any reason,
* such as being replaced with a different value,
* this may return {@code null}.
*
* @return Root configuration containing this section.
*/
Configuration getRoot();
/**
* Gets the parent {@link ConfigurationSection} that directly contains
* this {@link ConfigurationSection}.
*
* <p>For any {@link Configuration} themselves, this will return
* {@code null}.
*
* <p>If the section is no longer contained within its parent for any
* reason, such as being replaced with a different value, this may
* return {@code null}.
*
* @return Parent section containing this section.
*/
ConfigurationSection getParent();
/**
* Gets the requested Object by path.
*
* <p>If the Object does not exist but a default value has been specified,
* this will return the default value. If the Object does not exist and no
* default value was specified, this will return {@code null}.
*
* @param path Path of the Object to get.
* @return Requested Object.
*/
Object get(String path);
/**
* Gets the requested Object by path, returning a default value if not
* found.
*
* <p>If the Object does not exist then the specified default value will
* returned regardless of if a default has been identified in the root
* {@link Configuration}.
*
* @param path Path of the Object to get.
* @param defaultValue The default value to return if the path is not found.
* @return Requested Object.
*/
Object get(String path, Object defaultValue);
/**
* Sets the specified path to the given value.
*
* <p>If value is {@code null}, the entry will be removed. Any
* existing entry will be replaced, regardless of what the new value is.
*
* <p>Some implementations may have limitations on what you may store. See
* their individual javadoc for details. No implementations should allow
* you to store {@link Configuration}s or {@link ConfigurationSection}s,
* please use {@link #createSection(String)} for that.
*
* @param path Path of the object to set.
* @param value New value to set the path to.
*/
void set(String path, Object value);
/**
* Creates an empty {@link ConfigurationSection} at the specified path.
*
* <p>Any value that was previously set at this path will be overwritten. If
* the previous value was itself a {@link ConfigurationSection}, it will
* be orphaned.
*
* @param path Path to create the section at.
* @return Newly created section
*/
ConfigurationSection createSection(String path);
/**
* Creates a {@link ConfigurationSection} at the specified path, with
* specified values.
*
* <p>Any value that was previously set at this path will be overwritten. If
* the previous value was itself a {@link ConfigurationSection}, it will
* be orphaned.
*
* @param path Path to create the section at.
* @param map The values to used.
* @return Newly created section
*/
ConfigurationSection createSection(String path, Map<?, ?> map);
// Primitives
/**
* Gets the requested String by path.
*
* <p>If the String does not exist but a default value has been specified,
* this will return the default value. If the String does not exist and no
* default value was specified, this will return {@code null}.
*
* @param path Path of the String to get.
* @return Requested String.
*/
String getString(String path);
/**
* Gets the requested String by path, returning a default value if not
* found.
*
* <p>If the String does not exist then the specified default value will
* returned regardless of if a default has been identified in the root
* {@link Configuration}.
*
* @param path Path of the String to get.
* @param def The default value to return if the path is not found or is
* not a String.
* @return Requested String.
*/
String getString(String path, String def);
/**
* Checks if the specified path is a String.
*
* <p>If the path exists but is not a String, this will return false. If
* the path does not exist, this will return false. If the path does not
* exist but a default value has been specified, this will check if that
* defaultvalue is a String and return appropriately.
*
* @param path Path of the String to check.
* @return Whether or not the specified path is a String.
*/
boolean isString(String path);
/**
* Gets the requested int by path.
*
* <p>If the int does not exist but a default value has been specified, this
* will return the default value. If the int does not exist and no default
* value was specified, this will return 0.
*
* @param path Path of the int to get.
* @return Requested int.
*/
int getInt(String path);
/**
* Gets the requested int by path, returning a default value if not found.
*
* <p>If the int does not exist then the specified default value will
* returned regardless of if a default has been identified in the root
* {@link Configuration}.
*
* @param path Path of the int to get.
* @param def The default value to return if the path is not found or is
* not an int.
* @return Requested int.
*/
int getInt(String path, int def);
/**
* Checks if the specified path is an int.
*
* <p>If the path exists but is not a int, this will return false. If the
* path does not exist, this will return false. If the path does not exist
* but a default value has been specified, this will check if that default
* value is a int and return appropriately.
*
* @param path Path of the int to check.
* @return Whether or not the specified path is an int.
*/
boolean isInt(String path);
/**
* Gets the requested boolean by path.
*
* <p>If the boolean does not exist but a default value has been specified,
* this will return the default value. If the boolean does not exist and
* no default value was specified, this will return false.
*
* @param path Path of the boolean to get.
* @return Requested boolean.
*/
boolean getBoolean(String path);
/**
* Gets the requested boolean by path, returning a default value if not
* found.
*
* <p>If the boolean does not exist then the specified default value will
* returned regardless of if a default has been identified in the root
* {@link Configuration}.
*
* @param path Path of the boolean to get.
* @param defaultValue The default value to return if the path is not found or is
* not a boolean.
* @return Requested boolean.
*/
boolean getBoolean(String path, boolean defaultValue);
/**
* Checks if the specified path is a boolean.
*
* <p>If the path exists but is not a boolean, this will return false. If the
* path does not exist, this will return false. If the path does not exist
* but a default value has been specified, this will check if that default
* value is a boolean and return appropriately.
*
* @param path Path of the boolean to check.
* @return Whether or not the specified path is a boolean.
*/
boolean isBoolean(String path);
/**
* Gets the requested double by path.
*
* <p>If the double does not exist but a default value has been specified,
* this will return the default value. If the double does not exist and no
* default value was specified, this will return 0.
*
* @param path Path of the double to get.
* @return Requested double.
*/
double getDouble(String path);
/**
* Gets the requested double by path, returning a default value if not
* found.
*
* <p>If the double does not exist then the specified default value will
* returned regardless of if a default has been identified in the root
* {@link Configuration}.
*
* @param path Path of the double to get.
* @param defaultValue The default value to return if the path is not found or is
* not a double.
* @return Requested double.
*/
double getDouble(String path, double defaultValue);
/**
* Checks if the specified path is a double.
*
* <p>If the path exists but is not a double, this will return false. If the
* path does not exist, this will return false. If the path does not exist
* but a default value has been specified, this will check if that default
* value is a double and return appropriately.
*
* @param path Path of the double to check.
* @return Whether or not the specified path is a double.
*/
boolean isDouble(String path);
/**
* Gets the requested long by path.
*
* <p>If the long does not exist but a default value has been specified, this
* will return the default value. If the long does not exist and no
* default value was specified, this will return 0.
*
* @param path Path of the long to get.
* @return Requested long.
*/
long getLong(String path);
/**
* Gets the requested long by path, returning a default value if not
* found.
*
* <p>If the long does not exist then the specified default value will
* returned regardless of if a default has been identified in the root
* {@link Configuration}.
*
* @param path Path of the long to get.
* @param def The default value to return if the path is not found or is
* not a long.
* @return Requested long.
*/
long getLong(String path, long def);
/**
* Checks if the specified path is a long.
*
* <p>If the path exists but is not a long, this will return false. If the
* path does not exist, this will return false. If the path does not exist
* but a default value has been specified, this will check if that default
* value is a long and return appropriately.
*
* @param path Path of the long to check.
* @return Whether or not the specified path is a long.
*/
boolean isLong(String path);
// Java
/**
* Gets the requested List by path.
*
* <p>If the List does not exist but a default value has been specified, this
* will return the default value. If the List does not exist and no
* default value was specified, this will return null.
*
* @param path Path of the List to get.
* @return Requested List.
*/
List<?> getList(String path);
/**
* Gets the requested List by path, returning a default value if not
* found.
*
* <p>If the List does not exist then the specified default value will
* returned regardless of if a default has been identified in the root
* {@link Configuration}.
*
* @param path Path of the List to get.
* @param def The default value to return if the path is not found or is
* not a List.
* @return Requested List.
*/
List<?> getList(String path, List<?> def);
/**
* Checks if the specified path is a List.
*
* <p>If the path exists but is not a List, this will return false. If the
* path does not exist, this will return false. If the path does not exist
* but a default value has been specified, this will check if that default
* value is a List and return appropriately.
*
* @param path Path of the List to check.
* @return Whether or not the specified path is a List.
*/
boolean isList(String path);
/**
* Gets the requested List of String by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
*
* <p>This method will attempt to cast any values into a String if possible,
* but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of String.
*/
List<String> getStringList(String path);
/**
* Gets the requested List of Integer by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
*
* <p>This method will attempt to cast any values into a Integer if
* possible, but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of Integer.
*/
List<Integer> getIntegerList(String path);
/**
* Gets the requested List of Boolean by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
*
* <p>This method will attempt to cast any values into a Boolean if
* possible, but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of Boolean.
*/
List<Boolean> getBooleanList(String path);
/**
* Gets the requested List of Double by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
*
* <p>This method will attempt to cast any values into a Double if possible,
* but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of Double.
*/
List<Double> getDoubleList(String path);
/**
* Gets the requested List of Float by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
*
* <p>This method will attempt to cast any values into a Float if possible,
* but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of Float.
*/
List<Float> getFloatList(String path);
/**
* Gets the requested List of Long by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
*
* <p>This method will attempt to cast any values into a Long if possible,
* but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of Long.
*/
List<Long> getLongList(String path);
/**
* Gets the requested List of Byte by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
*
* <p>This method will attempt to cast any values into a Byte if possible,
* but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of Byte.
*/
List<Byte> getByteList(String path);
/**
* Gets the requested List of Character by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
*
* <p>This method will attempt to cast any values into a Character if
* possible, but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of Character.
*/
List<Character> getCharacterList(String path);
/**
* Gets the requested List of Short by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
*
* <p>This method will attempt to cast any values into a Short if
* possible, but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of Short.
*/
List<Short> getShortList(String path);
/**
* Gets the requested List of Maps by path.
*
* <p>If the List does not exist but a default value has been specified,
* this will return the default value. If the List does not exist and no
* default value was specified, this will return an empty List.
* <p>This method will attempt to cast any values into a Map if possible,
* but may miss any values out if they are not compatible.
*
* @param path Path of the List to get.
* @return Requested List of Maps.
*/
List<Map<?, ?>> getMapList(String path);
/**
* Gets the requested ConfigurationSection by path.
*
* <p>If the ConfigurationSection does not exist but a default value has
* been specified, this will return the default value. If the
* ConfigurationSection does not exist and no default value was specified,
* this will return {@code null}.
*
* @param path Path of the ConfigurationSection to get.
* @return Requested ConfigurationSection.
*/
ConfigurationSection getConfigurationSection(String path);
/**
* Checks if the specified path is a ConfigurationSection.
*
* <p>If the path exists but is not a ConfigurationSection, this will return
* false. If the path does not exist, this will return false. If the path
* does not exist but a default value has been specified, this will check
* if that default value is a ConfigurationSection and return
* appropriately.
*
* @param path Path of the ConfigurationSection to check.
* @return Whether or not the specified path is a ConfigurationSection.
*/
boolean isConfigurationSection(String path);
/**
* Gets the equivalent {@link ConfigurationSection} from the default
* {@link Configuration} defined in {@link #getRoot()}.
*
* <p>If the root contains no defaults, or the defaults doesn't contain a
* value for this path, or the value at this path is not a {@link
* ConfigurationSection} then this will return {@code null}.
*
* @return Equivalent section in root configuration
*/
ConfigurationSection getDefaultSection();
/**
* Sets the default value in the root at the given path as provided.
*
* <p>If no source {@link Configuration} was provided as a default
* collection, then a new {@link MemoryConfiguration} will be created to
* hold the new default value.
*
* <p>If value is {@code null}, the value will be removed from the
* default Configuration source.
*
* <p>If the value as returned by {@link #getDefaultSection()} is
* {@code null}, then this will create a new section at the path,
* replacing anything that may have existed there previously.
*
* @param path Path of the value to set
* @param value Value to set the default to
* @throws IllegalArgumentException Thrown if path is {@code null}
*/
void addDefault(String path, Object value);
}