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340 lines (265 loc) · 8.73 KB
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package com.jsoniter.any;
import com.jsoniter.output.CodegenAccess;
import com.jsoniter.spi.JsonException;
import com.jsoniter.JsonIterator;
import com.jsoniter.ValueType;
import com.jsoniter.output.JsonStream;
import com.jsoniter.spi.Encoder;
import com.jsoniter.spi.TypeLiteral;
import java.io.IOException;
import java.util.*;
public abstract class Any implements Iterable<Any> {
static {
Encoder anyEncoder = new Encoder() {
@Override
public void encode(Object obj, JsonStream stream) throws IOException {
Any any = (Any) obj;
any.writeTo(stream);
}
@Override
public Any wrap(Object obj) {
return (Any) obj;
}
};
JsonStream.registerNativeEncoder(Any.class, anyEncoder);
JsonStream.registerNativeEncoder(TrueAny.class, anyEncoder);
JsonStream.registerNativeEncoder(FalseAny.class, anyEncoder);
JsonStream.registerNativeEncoder(ArrayLazyAny.class, anyEncoder);
JsonStream.registerNativeEncoder(DoubleAny.class, anyEncoder);
JsonStream.registerNativeEncoder(FloatAny.class, anyEncoder);
JsonStream.registerNativeEncoder(IntAny.class, anyEncoder);
JsonStream.registerNativeEncoder(LongAny.class, anyEncoder);
JsonStream.registerNativeEncoder(NullAny.class, anyEncoder);
JsonStream.registerNativeEncoder(LongLazyAny.class, anyEncoder);
JsonStream.registerNativeEncoder(DoubleLazyAny.class, anyEncoder);
JsonStream.registerNativeEncoder(ObjectLazyAny.class, anyEncoder);
JsonStream.registerNativeEncoder(StringAny.class, anyEncoder);
JsonStream.registerNativeEncoder(StringLazyAny.class, anyEncoder);
JsonStream.registerNativeEncoder(ArrayAny.class, anyEncoder);
JsonStream.registerNativeEncoder(ObjectAny.class, anyEncoder);
JsonStream.registerNativeEncoder(ListWrapperAny.class, anyEncoder);
JsonStream.registerNativeEncoder(ArrayWrapperAny.class, anyEncoder);
JsonStream.registerNativeEncoder(MapWrapperAny.class, anyEncoder);
}
public static Any wrapArray(Object val) {
return new ArrayWrapperAny(val);
}
public interface EntryIterator {
boolean next();
String key();
Any value();
}
protected final static Set<String> EMPTY_KEYS = Collections.unmodifiableSet(new HashSet<String>());
protected final static EntryIterator EMPTY_ENTRIES_ITERATOR = new EntryIterator() {
@Override
public boolean next() {
return false;
}
@Override
public String key() {
throw new NoSuchElementException();
}
@Override
public Any value() {
throw new NoSuchElementException();
}
};
protected final static Iterator<Any> EMPTY_ITERATOR = new Iterator<Any>() {
@Override
public void remove() {
throw new UnsupportedOperationException();
}
@Override
public boolean hasNext() {
return false;
}
@Override
public Any next() {
throw new NoSuchElementException();
}
};
public abstract ValueType valueType();
public <T> T bindTo(T obj, Object... keys) {
return get(keys).bindTo(obj);
}
public <T> T bindTo(T obj) {
return (T) object();
}
public <T> T bindTo(TypeLiteral<T> typeLiteral, T obj, Object... keys) {
return get(keys).bindTo(typeLiteral, obj);
}
public <T> T bindTo(TypeLiteral<T> typeLiteral, T obj) {
return (T) object();
}
public Object object(Object... keys) {
return get(keys).object();
}
public abstract Object object();
public Map<String, Any> asMap() {
return (Map<String, Any>) object();
}
public List<Any> asList() {
return (List<Any>) object();
}
public <T> T as(Class<T> clazz, Object... keys) {
return get(keys).as(clazz);
}
public <T> T as(Class<T> clazz) {
return (T) object();
}
public <T> T as(TypeLiteral<T> typeLiteral, Object... keys) {
return get(keys).as(typeLiteral);
}
public <T> T as(TypeLiteral<T> typeLiteral) {
return (T) object();
}
public final boolean toBoolean(Object... keys) {
return get(keys).toBoolean();
}
public abstract boolean toBoolean();
public final int toInt(Object... keys) {
return get(keys).toInt();
}
public abstract int toInt();
public final long toLong(Object... keys) {
return get(keys).toLong();
}
public abstract long toLong();
public final float toFloat(Object... keys) {
return get(keys).toFloat();
}
public abstract float toFloat();
public final double toDouble(Object... keys) {
return get(keys).toDouble();
}
public abstract double toDouble();
public final String toString(Object... keys) {
return get(keys).toString();
}
public abstract String toString();
public int size() {
return 0;
}
public Set<String> keys() {
return EMPTY_KEYS;
}
@Override
public Iterator<Any> iterator() {
return EMPTY_ITERATOR;
}
public EntryIterator entries() {
return EMPTY_ENTRIES_ITERATOR;
}
public Any get(int index) {
return new NotFoundAny(index, object());
}
public Any get(Object key) {
return new NotFoundAny(key, object());
}
public final Any get(Object... keys) {
return get(keys, 0);
}
public Any get(Object[] keys, int idx) {
if (idx == keys.length) {
return this;
}
return new NotFoundAny(keys, idx, object());
}
public Any set(int newVal) {
return wrap(newVal);
}
public Any set(long newVal) {
return wrap(newVal);
}
public Any set(float newVal) {
return wrap(newVal);
}
public Any set(double newVal) {
return wrap(newVal);
}
public Any set(String newVal) {
return wrap(newVal);
}
public JsonIterator parse() {
throw new UnsupportedOperationException();
}
public abstract void writeTo(JsonStream stream) throws IOException;
protected JsonException reportUnexpectedType(ValueType toType) {
throw new JsonException(String.format("can not convert %s to %s", valueType(), toType));
}
public static Any lazyString(byte[] data, int head, int tail) {
return new StringLazyAny(data, head, tail);
}
public static Any lazyDouble(byte[] data, int head, int tail) {
return new DoubleLazyAny(data, head, tail);
}
public static Any lazyLong(byte[] data, int head, int tail) {
return new LongLazyAny(data, head, tail);
}
public static Any lazyArray(byte[] data, int head, int tail) {
return new ArrayLazyAny(data, head, tail);
}
public static Any lazyObject(byte[] data, int head, int tail) {
return new ObjectLazyAny(data, head, tail);
}
public static Any wrap(int val) {
return new IntAny(val);
}
public static Any wrap(long val) {
return new LongAny(val);
}
public static Any wrap(float val) {
return new FloatAny(val);
}
public static Any wrap(double val) {
return new DoubleAny(val);
}
public static Any wrap(boolean val) {
if (val) {
return TrueAny.INSTANCE;
} else {
return FalseAny.INSTANCE;
}
}
public static Any wrap(String val) {
if (val == null) {
return NullAny.INSTANCE;
}
return new StringAny(val);
}
public static <T> Any wrap(Collection<T> val) {
if (val == null) {
return NullAny.INSTANCE;
}
return new ListWrapperAny(new ArrayList(val));
}
public static <T> Any wrap(List<T> val) {
if (val == null) {
return NullAny.INSTANCE;
}
return new ListWrapperAny(val);
}
public static <T> Any wrap(Map<String, T> val) {
if (val == null) {
return NullAny.INSTANCE;
}
return new MapWrapperAny(val);
}
public static Any wrap(Object val) {
return CodegenAccess.wrap(val);
}
public static Any wrapNull() {
return NullAny.INSTANCE;
}
public static Any rewrap(List<Any> val) {
return new ArrayAny(val);
}
public static Any rewrap(Map<String, Any> val) {
return new ObjectAny(val);
}
private final static int wildcardHashCode = Character.valueOf('*').hashCode();
private final static Character wildcard = '*';
protected boolean isWildcard(Object key) {
return wildcardHashCode == key.hashCode() && wildcard.equals(key);
}
}
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