Bukkit/src/main/java/org/bukkit/configuration/MemorySection.java

795 lines
25 KiB
Java

package org.bukkit.configuration;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.commons.lang.Validate;
import org.bukkit.OfflinePlayer;
import org.bukkit.inventory.ItemStack;
import org.bukkit.util.Vector;
import static org.bukkit.util.NumberConversions.*;
/**
* A type of {@link ConfigurationSection} that is stored in memory.
*/
public class MemorySection implements ConfigurationSection {
protected final Map<String, Object> map = new LinkedHashMap<String, Object>();
private final Configuration root;
private final ConfigurationSection parent;
private final String path;
private final String fullPath;
/**
* Creates an empty MemorySection for use as a root {@link Configuration} section.
* <p>
* Note that calling this without being yourself a {@link Configuration} will throw an
* exception!
*
* @throws IllegalStateException Thrown if this is not a {@link Configuration} root.
*/
protected MemorySection() {
if (!(this instanceof Configuration)) {
throw new IllegalStateException("Cannot construct a root MemorySection when not a Configuration");
}
this.path = "";
this.fullPath = "";
this.parent = null;
this.root = (Configuration) this;
}
/**
* Creates an empty MemorySection with the specified parent and path.
*
* @param parent Parent section that contains this own section.
* @param path Path that you may access this section from via the root {@link Configuration}.
* @throws IllegalArgumentException Thrown is parent or path is null, or if parent contains no root Configuration.
*/
protected MemorySection(ConfigurationSection parent, String path) {
Validate.notNull(parent, "Parent cannot be null");
Validate.notNull(path, "Path cannot be null");
this.path = path;
this.parent = parent;
this.root = parent.getRoot();
Validate.notNull(root, "Path cannot be orphaned");
this.fullPath = createPath(parent, path);
}
public Set<String> getKeys(boolean deep) {
Set<String> result = new LinkedHashSet<String>();
Configuration root = getRoot();
if (root != null && root.options().copyDefaults()) {
ConfigurationSection defaults = getDefaultSection();
if (defaults != null) {
result.addAll(defaults.getKeys(deep));
}
}
mapChildrenKeys(result, this, deep);
return result;
}
public Map<String, Object> getValues(boolean deep) {
Map<String, Object> result = new LinkedHashMap<String, Object>();
Configuration root = getRoot();
if (root != null && root.options().copyDefaults()) {
ConfigurationSection defaults = getDefaultSection();
if (defaults != null) {
result.putAll(defaults.getValues(deep));
}
}
mapChildrenValues(result, this, deep);
return result;
}
public boolean contains(String path) {
return get(path) != null;
}
public boolean isSet(String path) {
Configuration root = getRoot();
if (root == null) {
return false;
}
if (root.options().copyDefaults()) {
return contains(path);
}
return get(path, null) != null;
}
public String getCurrentPath() {
return fullPath;
}
public String getName() {
return path;
}
public Configuration getRoot() {
return root;
}
public ConfigurationSection getParent() {
return parent;
}
public void addDefault(String path, Object value) {
Validate.notNull(path, "Path cannot be null");
Configuration root = getRoot();
if (root == null) {
throw new IllegalStateException("Cannot add default without root");
}
if (root == this) {
throw new UnsupportedOperationException("Unsupported addDefault(String, Object) implementation");
}
root.addDefault(createPath(this, path), value);
}
public ConfigurationSection getDefaultSection() {
Configuration root = getRoot();
Configuration defaults = root == null ? null : root.getDefaults();
if (defaults != null) {
if (defaults.isConfigurationSection(getCurrentPath())) {
return defaults.getConfigurationSection(getCurrentPath());
}
}
return null;
}
public void set(String path, Object value) {
Validate.notEmpty(path, "Cannot set to an empty path");
Configuration root = getRoot();
if (root == null) {
throw new IllegalStateException("Cannot use section without a root");
}
final char separator = root.options().pathSeparator();
// i1 is the leading (higher) index
// i2 is the trailing (lower) index
int i1 = -1, i2;
ConfigurationSection section = this;
while ((i1 = path.indexOf(separator, i2 = i1 + 1)) != -1) {
String node = path.substring(i2, i1);
ConfigurationSection subSection = section.getConfigurationSection(node);
if (subSection == null) {
section = section.createSection(node);
} else {
section = subSection;
}
}
String key = path.substring(i2);
if (section == this) {
if (value == null) {
map.remove(key);
} else {
map.put(key, value);
}
} else {
section.set(key, value);
}
}
public Object get(String path) {
return get(path, getDefault(path));
}
public Object get(String path, Object def) {
Validate.notNull(path, "Path cannot be null");
if (path.length() == 0) {
return this;
}
Configuration root = getRoot();
if (root == null) {
throw new IllegalStateException("Cannot access section without a root");
}
final char separator = root.options().pathSeparator();
// i1 is the leading (higher) index
// i2 is the trailing (lower) index
int i1 = -1, i2;
ConfigurationSection section = this;
while ((i1 = path.indexOf(separator, i2 = i1 + 1)) != -1) {
section = section.getConfigurationSection(path.substring(i2, i1));
if (section == null) {
return def;
}
}
String key = path.substring(i2);
if (section == this) {
Object result = map.get(key);
return (result == null) ? def : result;
}
return section.get(key, def);
}
public ConfigurationSection createSection(String path) {
Validate.notEmpty(path, "Cannot create section at empty path");
Configuration root = getRoot();
if (root == null) {
throw new IllegalStateException("Cannot create section without a root");
}
final char separator = root.options().pathSeparator();
// i1 is the leading (higher) index
// i2 is the trailing (lower) index
int i1 = -1, i2;
ConfigurationSection section = this;
while ((i1 = path.indexOf(separator, i2 = i1 + 1)) != -1) {
String node = path.substring(i2, i1);
ConfigurationSection subSection = section.getConfigurationSection(node);
if (subSection == null) {
section = section.createSection(node);
} else {
section = subSection;
}
}
String key = path.substring(i2);
if (section == this) {
ConfigurationSection result = new MemorySection(this, key);
map.put(key, result);
return result;
}
return section.createSection(key);
}
public ConfigurationSection createSection(String path, Map<?, ?> map) {
ConfigurationSection section = createSection(path);
for (Map.Entry<?, ?> entry : map.entrySet()) {
if (entry.getValue() instanceof Map) {
section.createSection(entry.getKey().toString(), (Map<?, ?>) entry.getValue());
} else {
section.set(entry.getKey().toString(), entry.getValue());
}
}
return section;
}
// Primitives
public String getString(String path) {
Object def = getDefault(path);
return getString(path, def != null ? def.toString() : null);
}
public String getString(String path, String def) {
Object val = get(path, def);
return (val != null) ? val.toString() : def;
}
public boolean isString(String path) {
Object val = get(path);
return val instanceof String;
}
public int getInt(String path) {
Object def = getDefault(path);
return getInt(path, (def instanceof Number) ? toInt(def) : 0);
}
public int getInt(String path, int def) {
Object val = get(path, def);
return (val instanceof Number) ? toInt(val) : def;
}
public boolean isInt(String path) {
Object val = get(path);
return val instanceof Integer;
}
public boolean getBoolean(String path) {
Object def = getDefault(path);
return getBoolean(path, (def instanceof Boolean) ? (Boolean) def : false);
}
public boolean getBoolean(String path, boolean def) {
Object val = get(path, def);
return (val instanceof Boolean) ? (Boolean) val : def;
}
public boolean isBoolean(String path) {
Object val = get(path);
return val instanceof Boolean;
}
public double getDouble(String path) {
Object def = getDefault(path);
return getDouble(path, (def instanceof Number) ? toDouble(def) : 0);
}
public double getDouble(String path, double def) {
Object val = get(path, def);
return (val instanceof Number) ? toDouble(val) : def;
}
public boolean isDouble(String path) {
Object val = get(path);
return val instanceof Double;
}
public long getLong(String path) {
Object def = getDefault(path);
return getLong(path, (def instanceof Number) ? toLong(def) : 0);
}
public long getLong(String path, long def) {
Object val = get(path, def);
return (val instanceof Number) ? toLong(val) : def;
}
public boolean isLong(String path) {
Object val = get(path);
return val instanceof Long;
}
// Java
public List<?> getList(String path) {
Object def = getDefault(path);
return getList(path, (def instanceof List) ? (List<?>) def : null);
}
public List<?> getList(String path, List<?> def) {
Object val = get(path, def);
return (List<?>) ((val instanceof List) ? val : def);
}
public boolean isList(String path) {
Object val = get(path);
return val instanceof List;
}
public List<String> getStringList(String path) {
List<?> list = getList(path);
if (list == null) {
return new ArrayList<String>(0);
}
List<String> result = new ArrayList<String>();
for (Object object : list) {
if ((object instanceof String) || (isPrimitiveWrapper(object))) {
result.add(String.valueOf(object));
}
}
return result;
}
public List<Integer> getIntegerList(String path) {
List<?> list = getList(path);
if (list == null) {
return new ArrayList<Integer>(0);
}
List<Integer> result = new ArrayList<Integer>();
for (Object object : list) {
if (object instanceof Integer) {
result.add((Integer) object);
} else if (object instanceof String) {
try {
result.add(Integer.valueOf((String) object));
} catch (Exception ex) {
}
} else if (object instanceof Character) {
result.add((int) ((Character) object).charValue());
} else if (object instanceof Number) {
result.add(((Number) object).intValue());
}
}
return result;
}
public List<Boolean> getBooleanList(String path) {
List<?> list = getList(path);
if (list == null) {
return new ArrayList<Boolean>(0);
}
List<Boolean> result = new ArrayList<Boolean>();
for (Object object : list) {
if (object instanceof Boolean) {
result.add((Boolean) object);
} else if (object instanceof String) {
if (Boolean.TRUE.toString().equals(object)) {
result.add(true);
} else if (Boolean.FALSE.toString().equals(object)) {
result.add(false);
}
}
}
return result;
}
public List<Double> getDoubleList(String path) {
List<?> list = getList(path);
if (list == null) {
return new ArrayList<Double>(0);
}
List<Double> result = new ArrayList<Double>();
for (Object object : list) {
if (object instanceof Double) {
result.add((Double) object);
} else if (object instanceof String) {
try {
result.add(Double.valueOf((String) object));
} catch (Exception ex) {
}
} else if (object instanceof Character) {
result.add((double) ((Character) object).charValue());
} else if (object instanceof Number) {
result.add(((Number) object).doubleValue());
}
}
return result;
}
public List<Float> getFloatList(String path) {
List<?> list = getList(path);
if (list == null) {
return new ArrayList<Float>(0);
}
List<Float> result = new ArrayList<Float>();
for (Object object : list) {
if (object instanceof Float) {
result.add((Float) object);
} else if (object instanceof String) {
try {
result.add(Float.valueOf((String) object));
} catch (Exception ex) {
}
} else if (object instanceof Character) {
result.add((float) ((Character) object).charValue());
} else if (object instanceof Number) {
result.add(((Number) object).floatValue());
}
}
return result;
}
public List<Long> getLongList(String path) {
List<?> list = getList(path);
if (list == null) {
return new ArrayList<Long>(0);
}
List<Long> result = new ArrayList<Long>();
for (Object object : list) {
if (object instanceof Long) {
result.add((Long) object);
} else if (object instanceof String) {
try {
result.add(Long.valueOf((String) object));
} catch (Exception ex) {
}
} else if (object instanceof Character) {
result.add((long) ((Character) object).charValue());
} else if (object instanceof Number) {
result.add(((Number) object).longValue());
}
}
return result;
}
public List<Byte> getByteList(String path) {
List<?> list = getList(path);
if (list == null) {
return new ArrayList<Byte>(0);
}
List<Byte> result = new ArrayList<Byte>();
for (Object object : list) {
if (object instanceof Byte) {
result.add((Byte) object);
} else if (object instanceof String) {
try {
result.add(Byte.valueOf((String) object));
} catch (Exception ex) {
}
} else if (object instanceof Character) {
result.add((byte) ((Character) object).charValue());
} else if (object instanceof Number) {
result.add(((Number) object).byteValue());
}
}
return result;
}
public List<Character> getCharacterList(String path) {
List<?> list = getList(path);
if (list == null) {
return new ArrayList<Character>(0);
}
List<Character> result = new ArrayList<Character>();
for (Object object : list) {
if (object instanceof Character) {
result.add((Character) object);
} else if (object instanceof String) {
String str = (String) object;
if (str.length() == 1) {
result.add(str.charAt(0));
}
} else if (object instanceof Number) {
result.add((char) ((Number) object).intValue());
}
}
return result;
}
public List<Short> getShortList(String path) {
List<?> list = getList(path);
if (list == null) {
return new ArrayList<Short>(0);
}
List<Short> result = new ArrayList<Short>();
for (Object object : list) {
if (object instanceof Short) {
result.add((Short) object);
} else if (object instanceof String) {
try {
result.add(Short.valueOf((String) object));
} catch (Exception ex) {
}
} else if (object instanceof Character) {
result.add((short) ((Character) object).charValue());
} else if (object instanceof Number) {
result.add(((Number) object).shortValue());
}
}
return result;
}
public List<Map<?, ?>> getMapList(String path) {
List<?> list = getList(path);
List<Map<?, ?>> result = new ArrayList<Map<?, ?>>();
if (list == null) {
return result;
}
for (Object object : list) {
if (object instanceof Map) {
result.add((Map<?, ?>) object);
}
}
return result;
}
// Bukkit
public Vector getVector(String path) {
Object def = getDefault(path);
return getVector(path, (def instanceof Vector) ? (Vector) def : null);
}
public Vector getVector(String path, Vector def) {
Object val = get(path, def);
return (val instanceof Vector) ? (Vector) val : def;
}
public boolean isVector(String path) {
Object val = get(path);
return val instanceof Vector;
}
public OfflinePlayer getOfflinePlayer(String path) {
Object def = getDefault(path);
return getOfflinePlayer(path, (def instanceof OfflinePlayer) ? (OfflinePlayer) def : null);
}
public OfflinePlayer getOfflinePlayer(String path, OfflinePlayer def) {
Object val = get(path, def);
return (val instanceof OfflinePlayer) ? (OfflinePlayer) val : def;
}
public boolean isOfflinePlayer(String path) {
Object val = get(path);
return val instanceof OfflinePlayer;
}
public ItemStack getItemStack(String path) {
Object def = getDefault(path);
return getItemStack(path, (def instanceof ItemStack) ? (ItemStack) def : null);
}
public ItemStack getItemStack(String path, ItemStack def) {
Object val = get(path, def);
return (val instanceof ItemStack) ? (ItemStack) val : def;
}
public boolean isItemStack(String path) {
Object val = get(path);
return val instanceof ItemStack;
}
public ConfigurationSection getConfigurationSection(String path) {
Object val = get(path, null);
if (val != null) {
return (val instanceof ConfigurationSection) ? (ConfigurationSection) val : null;
}
val = get(path, getDefault(path));
return (val instanceof ConfigurationSection) ? createSection(path) : null;
}
public boolean isConfigurationSection(String path) {
Object val = get(path);
return val instanceof ConfigurationSection;
}
protected boolean isPrimitiveWrapper(Object input) {
return input instanceof Integer || input instanceof Boolean ||
input instanceof Character || input instanceof Byte ||
input instanceof Short || input instanceof Double ||
input instanceof Long || input instanceof Float;
}
protected Object getDefault(String path) {
Validate.notNull(path, "Path cannot be null");
Configuration root = getRoot();
Configuration defaults = root == null ? null : root.getDefaults();
return (defaults == null) ? null : defaults.get(createPath(this, path));
}
protected void mapChildrenKeys(Set<String> output, ConfigurationSection section, boolean deep) {
if (section instanceof MemorySection) {
MemorySection sec = (MemorySection) section;
for (Map.Entry<String, Object> entry : sec.map.entrySet()) {
output.add(createPath(section, entry.getKey(), this));
if ((deep) && (entry.getValue() instanceof ConfigurationSection)) {
ConfigurationSection subsection = (ConfigurationSection) entry.getValue();
mapChildrenKeys(output, subsection, deep);
}
}
} else {
Set<String> keys = section.getKeys(deep);
for (String key : keys) {
output.add(createPath(section, key, this));
}
}
}
protected void mapChildrenValues(Map<String, Object> output, ConfigurationSection section, boolean deep) {
if (section instanceof MemorySection) {
MemorySection sec = (MemorySection) section;
for (Map.Entry<String, Object> entry : sec.map.entrySet()) {
output.put(createPath(section, entry.getKey(), this), entry.getValue());
if (entry.getValue() instanceof ConfigurationSection) {
if (deep) {
mapChildrenValues(output, (ConfigurationSection) entry.getValue(), deep);
}
}
}
} else {
Map<String, Object> values = section.getValues(deep);
for (Map.Entry<String, Object> entry : values.entrySet()) {
output.put(createPath(section, entry.getKey(), this), entry.getValue());
}
}
}
/**
* Creates a full path to the given {@link ConfigurationSection} from its root {@link Configuration}.
* <p>
* You may use this method for any given {@link ConfigurationSection}, not only {@link MemorySection}.
*
* @param section Section to create a path for.
* @param key Name of the specified section.
* @return Full path of the section from its root.
*/
public static String createPath(ConfigurationSection section, String key) {
return createPath(section, key, (section == null) ? null : section.getRoot());
}
/**
* Creates a relative path to the given {@link ConfigurationSection} from the given relative section.
* <p>
* You may use this method for any given {@link ConfigurationSection}, not only {@link MemorySection}.
*
* @param section Section to create a path for.
* @param key Name of the specified section.
* @param relativeTo Section to create the path relative to.
* @return Full path of the section from its root.
*/
public static String createPath(ConfigurationSection section, String key, ConfigurationSection relativeTo) {
Validate.notNull(section, "Cannot create path without a section");
Configuration root = section.getRoot();
if (root == null) {
throw new IllegalStateException("Cannot create path without a root");
}
char separator = root.options().pathSeparator();
StringBuilder builder = new StringBuilder();
if (section != null) {
for (ConfigurationSection parent = section; (parent != null) && (parent != relativeTo); parent = parent.getParent()) {
if (builder.length() > 0) {
builder.insert(0, separator);
}
builder.insert(0, parent.getName());
}
}
if ((key != null) && (key.length() > 0)) {
if (builder.length() > 0) {
builder.append(separator);
}
builder.append(key);
}
return builder.toString();
}
@Override
public String toString() {
Configuration root = getRoot();
return new StringBuilder()
.append(getClass().getSimpleName())
.append("[path='")
.append(getCurrentPath())
.append("', root='")
.append(root == null ? null : root.getClass().getSimpleName())
.append("']")
.toString();
}
}