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package com.jsoniter; import java.lang.reflect.Array; import java.util.ArrayList; import java.util.Collection; import java.util.List; import java.util.Map; public class Any { private final Object val; public Object lastAccessed; public Any(Object val) { this.val = val; } public ValueType getValueType(Object... keys) { try { lastAccessed = getPath(val, keys); if (lastAccessed == null) { return ValueType.NULL; } Class> clazz = lastAccessed.getClass(); if (clazz == String.class) { return ValueType.STRING; } if (clazz.isArray()) { return ValueType.ARRAY; } if (lastAccessed instanceof Number) { return ValueType.NUMBER; } if (lastAccessed instanceof List) { return ValueType.ARRAY; } return ValueType.OBJECT; } catch (ClassCastException e) { return ValueType.INVALID; } catch (IndexOutOfBoundsException e) { return ValueType.INVALID; } } public Map getMap(Object... keys) { return get(keys); } public List getList(Object... keys) { return get(keys); } public T get(Object... keys) { try { return (T) (lastAccessed = getPath(val, keys)); } catch (ClassCastException e) { return null; } catch (IndexOutOfBoundsException e) { return null; } } public boolean exists(Object... keys) { try { lastAccessed = getPath(val, keys); return true; } catch (ClassCastException e) { return false; } catch (IndexOutOfBoundsException e) { return false; } } public String toString() { return toString(new Object[0]); } public String toString(Object... keys) { get(keys); if (lastAccessed == null) { return "null"; } return lastAccessed.toString(); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Any any = (Any) o; return val != null ? val.equals(any.val) : any.val == null; } @Override public int hashCode() { return val != null ? val.hashCode() : 0; } public int toInt(Object... keys) { get(keys); if (lastAccessed == null) { return 0; } if (lastAccessed.getClass() == String.class) { return Integer.valueOf((String) lastAccessed); } Number number = (Number) lastAccessed; return number.intValue(); } public short toShort(Object... keys) { get(keys); if (lastAccessed == null) { return 0; } if (lastAccessed.getClass() == String.class) { return Short.valueOf((String) lastAccessed); } Number number = (Number) lastAccessed; return number.shortValue(); } public long toLong(Object... keys) { get(keys); if (lastAccessed == null) { return 0; } if (lastAccessed.getClass() == String.class) { return Long.valueOf((String) lastAccessed); } Number number = (Number) lastAccessed; return number.longValue(); } public float toFloat(Object... keys) { get(keys); if (lastAccessed == null) { return 0; } if (lastAccessed.getClass() == String.class) { return Float.valueOf((String) lastAccessed); } Number number = (Number) lastAccessed; return number.floatValue(); } public double toDouble(Object... keys) { get(keys); if (lastAccessed == null) { return 0; } if (lastAccessed.getClass() == String.class) { return Double.valueOf((String) lastAccessed); } Number number = (Number) lastAccessed; return number.doubleValue(); } public boolean toBoolean(Object... keys) { get(keys); if (lastAccessed == null) { return false; } if (lastAccessed instanceof Number) { Number number = (Number) lastAccessed; return number.intValue() != 0; } if (lastAccessed.getClass().isArray()) { return Array.getLength(lastAccessed) != 0; } if (lastAccessed instanceof Collection) { Collection col = (Collection) lastAccessed; return col.size() != 0; } if (lastAccessed instanceof Map) { Map map = (Map) lastAccessed; return map.size() != 0; } return true; } private static Object getPath(Object val, Object... keys) { if (keys.length == 0) { return val; } Object key = keys[0]; if ("*".equals(key)) { if (val.getClass().isArray()) { ArrayList result = new ArrayList(Array.getLength(val)); for (int i = 0; i < Array.getLength(val); i++) { Object nextVal = Array.get(val, i); Object[] nextKeys = new Object[keys.length - 1]; System.arraycopy(keys, 1, nextKeys, 0, nextKeys.length); result.add(getPath(nextVal, nextKeys)); } return result; } else { List list = (List) val; ArrayList result = new ArrayList(list.size()); for (Object e : list) { Object nextVal = e; Object[] nextKeys = new Object[keys.length - 1]; System.arraycopy(keys, 1, nextKeys, 0, nextKeys.length); result.add(getPath(nextVal, nextKeys)); } return result; } } if (key instanceof Integer) { Object nextVal = getFromArrayOrList(val, (Integer) key); Object[] nextKeys = new Object[keys.length - 1]; System.arraycopy(keys, 1, nextKeys, 0, nextKeys.length); return getPath(nextVal, nextKeys); } if (key instanceof String) { Object nextVal = getFromMap(val, (String) key); Object[] nextKeys = new Object[keys.length - 1]; System.arraycopy(keys, 1, nextKeys, 0, nextKeys.length); return getPath(nextVal, nextKeys); } throw new RuntimeException("invalid key type: " + key); } private static Object getFromMap(Object val, String key) { Map map = (Map) val; if (!map.containsKey(key)) { throw new IndexOutOfBoundsException(key + " not in " + map); } return map.get(key); } private static Object getFromArrayOrList(Object val, Integer key) { if (val.getClass().isArray()) { return Array.get(val, key); } List list = (List) val; return list.get(key); } }