package com.intellectualcrafters.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; /** * A type of {@link ConfigurationSection} that is stored in memory. */ public class MemorySection implements ConfigurationSection { protected final Map<String, Object> map = new LinkedHashMap<>(); 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) { this.path = path; this.parent = parent; this.root = parent.getRoot(); if (this.root == null) { throw new NullPointerException("Path may not be orphaned"); } this.fullPath = createPath(parent, path); } public static double toDouble(Object obj, double def) { if (obj instanceof Number) { return ((Number) obj).doubleValue(); } if (obj instanceof String) { try { return Double.parseDouble((String) obj); } catch (NumberFormatException ignored) { } } else if (obj instanceof List) { List<?> val = (List<?>) obj; if (!val.isEmpty()) { return toDouble(val.get(0), def); } } return def; } public static int toInt(Object obj, int def) { if (obj instanceof Number) { return ((Number) obj).intValue(); } if (obj instanceof String) { try { return Integer.parseInt((String) obj); } catch (NumberFormatException ignored) { } } else if (obj instanceof List) { List<?> val = (List<?>) obj; if (!val.isEmpty()) { return toInt(val.get(0), def); } } return def; } public static long toLong(Object obj, long def) { if (obj instanceof Number) { return ((Number) obj).longValue(); } if (obj instanceof String) { try { return Long.parseLong((String) obj); } catch (NumberFormatException ignored) { } } else if (obj instanceof List) { List<?> val = (List<?>) obj; if (!val.isEmpty()) { return toLong(val.get(0), def); } } return def; } /** * 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.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) { 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(); 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.isEmpty()) { if (builder.length() > 0) { builder.append(separator); } builder.append(key); } return builder.toString(); } @Override public Set<String> getKeys(boolean deep) { Set<String> result = new LinkedHashSet<>(); 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; } @Override public Map<String, Object> getValues(boolean deep) { Map<String, Object> result = new LinkedHashMap<>(); 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; } @Override public boolean contains(String path) { return get(path) != null; } @Override 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; } @Override public String getCurrentPath() { return this.fullPath; } @Override public String getName() { return this.path; } @Override public Configuration getRoot() { return this.root; } @Override public ConfigurationSection getParent() { return this.parent; } @Override public void addDefault(String path, Object value) { 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); } @Override 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; } @Override public void set(String path, Object value) { Configuration root = getRoot(); if (root == null) { throw new IllegalStateException("Cannot use section without a root"); } char separator = root.options().pathSeparator(); // i1 is the leading (higher) index // i2 is the trailing (lower) index int i1 = -1; int 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) { this.map.remove(key); } else { this.map.put(key, value); } } else { section.set(key, value); } } @Override public Object get(String path) { return get(path, getDefault(path)); } @Override public Object get(String path, Object defaultValue) { if (path == null) { throw new NullPointerException("Path cannot be null"); } if (path.isEmpty()) { return this; } Configuration root = getRoot(); if (root == null) { throw new IllegalStateException("Cannot access section without a root"); } char separator = root.options().pathSeparator(); // i1 is the leading (higher) index // i2 is the trailing (lower) index int i1 = -1; int i2; ConfigurationSection section = this; while ((i1 = path.indexOf(separator, i2 = i1 + 1)) != -1) { section = section.getConfigurationSection(path.substring(i2, i1)); if (section == null) { return defaultValue; } } String key = path.substring(i2); if (section == this) { Object result = this.map.get(key); if (result == null) { return defaultValue; } else { return result; } } return section.get(key, defaultValue); } @Override public ConfigurationSection createSection(String path) { Configuration root = getRoot(); if (root == null) { throw new IllegalStateException("Cannot create section without a root"); } char separator = root.options().pathSeparator(); // i1 is the leading (higher) index // i2 is the trailing (lower) index int i1 = -1; int 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); this.map.put(key, result); return result; } return section.createSection(key); } @Override 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 @Override public String getString(String path) { Object def = getDefault(path); return getString(path, def != null ? def.toString() : null); } @Override public String getString(String path, String def) { Object val = get(path, def); if (val != null) { return val.toString(); } else { return def; } } @Override public boolean isString(String path) { Object val = get(path); return val instanceof String; } @Override public int getInt(String path) { Object def = getDefault(path); return getInt(path, toInt(def, 0)); } @Override public int getInt(String path, int def) { Object val = get(path, def); return toInt(val, def); } @Override public boolean isInt(String path) { Object val = get(path); return val instanceof Integer; } @Override public boolean getBoolean(String path) { Object def = getDefault(path); if (def instanceof Boolean) { return getBoolean(path, (Boolean) def); } else { return getBoolean(path, false); } } @Override public boolean getBoolean(String path, boolean defaultValue) { Object val = get(path, defaultValue); if (val instanceof Boolean) { return (Boolean) val; } else { return defaultValue; } } @Override public boolean isBoolean(String path) { Object val = get(path); return val instanceof Boolean; } @Override public double getDouble(String path) { Object def = getDefault(path); return getDouble(path, toDouble(def, 0)); } @Override public double getDouble(String path, double defaultValue) { Object val = get(path, defaultValue); return toDouble(val, defaultValue); } @Override public boolean isDouble(String path) { Object val = get(path); return val instanceof Double; } @Override public long getLong(String path) { Object def = getDefault(path); return getLong(path, toLong(def, 0)); } @Override public long getLong(String path, long def) { Object val = get(path, def); return toLong(val, def); } @Override public boolean isLong(String path) { Object val = get(path); return val instanceof Long; } // Java @Override public List<?> getList(String path) { Object def = getDefault(path); return getList(path, def instanceof List ? (List<?>) def : null); } @Override public List<?> getList(String path, List<?> def) { Object val = get(path, def); return (List<?>) ((val instanceof List) ? val : def); } @Override public boolean isList(String path) { Object val = get(path); return val instanceof List; } @Override public List<String> getStringList(String path) { List<?> list = getList(path); if (list == null) { return new ArrayList<>(0); } List<String> result = new ArrayList<>(); for (Object object : list) { if ((object instanceof String) || isPrimitiveWrapper(object)) { result.add(String.valueOf(object)); } } return result; } @Override public List<Integer> getIntegerList(String path) { List<?> list = getList(path); List<Integer> result = new ArrayList<>(); 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 (NumberFormatException ignored) { } } else if (object instanceof Character) { result.add((int) (Character) object); } else if (object instanceof Number) { result.add(((Number) object).intValue()); } } return result; } @Override public List<Boolean> getBooleanList(String path) { List<?> list = getList(path); List<Boolean> result = new ArrayList<>(); 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; } @Override public List<Double> getDoubleList(String path) { List<?> list = getList(path); List<Double> result = new ArrayList<>(); 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 (NumberFormatException ignored) { } } else if (object instanceof Character) { result.add((double) (Character) object); } else if (object instanceof Number) { result.add(((Number) object).doubleValue()); } } return result; } @Override public List<Float> getFloatList(String path) { List<?> list = getList(path); List<Float> result = new ArrayList<>(); 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 (NumberFormatException ignored) { } } else if (object instanceof Character) { result.add((float) (Character) object); } else if (object instanceof Number) { result.add(((Number) object).floatValue()); } } return result; } @Override public List<Long> getLongList(String path) { List<?> list = getList(path); List<Long> result = new ArrayList<>(); 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 (NumberFormatException ignored) { } } else if (object instanceof Character) { result.add((long) (Character) object); } else if (object instanceof Number) { result.add(((Number) object).longValue()); } } return result; } @Override public List<Byte> getByteList(String path) { List<?> list = getList(path); List<Byte> result = new ArrayList<>(); 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 (NumberFormatException ignored) { } } else if (object instanceof Character) { result.add((byte) ((Character) object).charValue()); } else if (object instanceof Number) { result.add(((Number) object).byteValue()); } } return result; } @Override public List<Character> getCharacterList(String path) { List<?> list = getList(path); List<Character> result = new ArrayList<>(); 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; } @Override public List<Short> getShortList(String path) { List<?> list = getList(path); List<Short> result = new ArrayList<>(); 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 (NumberFormatException ignored) { } } else if (object instanceof Character) { result.add((short) ((Character) object).charValue()); } else if (object instanceof Number) { result.add(((Number) object).shortValue()); } } return result; } @Override public List<Map<?, ?>> getMapList(String path) { List<?> list = getList(path); List<Map<?, ?>> result = new ArrayList<>(); for (Object object : list) { if (object instanceof Map) { result.add((Map<?, ?>) object); } } return result; } @Override 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; } @Override 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) { 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()); } } } @Override public String toString() { Configuration root = getRoot(); if (root == null) { return getClass().getSimpleName() + "[path='" + getCurrentPath() + "', root='" + null + "']"; } else { return getClass().getSimpleName() + "[path='" + getCurrentPath() + "', root='" + root.getClass().getSimpleName() + "']"; } } }