package com.fasterxml.jackson.databind.node;
import java.math.BigDecimal;
import java.math.BigInteger;
import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.util.RawValue;
This intermediate base class is used for all container nodes,
specifically, array and object nodes.
/**
* This intermediate base class is used for all container nodes,
* specifically, array and object nodes.
*/
public abstract class ContainerNode<T extends ContainerNode<T>>
extends BaseJsonNode
implements JsonNodeCreator
{
We will keep a reference to the Object (usually TreeMapper)
that can construct instances of nodes to add to this container
node.
/**
* We will keep a reference to the Object (usually TreeMapper)
* that can construct instances of nodes to add to this container
* node.
*/
protected final JsonNodeFactory _nodeFactory;
protected ContainerNode(JsonNodeFactory nc) {
_nodeFactory = nc;
}
// all containers are mutable: can't define:
// @Override public abstract <T extends JsonNode> T deepCopy();
@Override
public abstract JsonToken asToken();
@Override
public String asText() { return ""; }
/*
/**********************************************************
/* Methods reset as abstract to force real implementation
/**********************************************************
*/
@Override
public abstract int size();
@Override
public abstract JsonNode get(int index);
@Override
public abstract JsonNode get(String fieldName);
/*
/**********************************************************
/* JsonNodeCreator implementation, just dispatch to
/* the real creator
/**********************************************************
*/
Factory method that constructs and returns an empty ArrayNode
Construction is done using registered JsonNodeFactory
. /**
* Factory method that constructs and returns an empty {@link ArrayNode}
* Construction is done using registered {@link JsonNodeFactory}.
*/
@Override
public final ArrayNode arrayNode() { return _nodeFactory.arrayNode(); }
Factory method that constructs and returns an ArrayNode
with an initial capacity Construction is done using registered JsonNodeFactory
Params: - capacity – the initial capacity of the ArrayNode
/**
* Factory method that constructs and returns an {@link ArrayNode} with an initial capacity
* Construction is done using registered {@link JsonNodeFactory}
* @param capacity the initial capacity of the ArrayNode
*/
@Override
public final ArrayNode arrayNode(int capacity) { return _nodeFactory.arrayNode(capacity); }
Factory method that constructs and returns an empty ObjectNode
Construction is done using registered JsonNodeFactory
. /**
* Factory method that constructs and returns an empty {@link ObjectNode}
* Construction is done using registered {@link JsonNodeFactory}.
*/
@Override
public final ObjectNode objectNode() { return _nodeFactory.objectNode(); }
@Override
public final NullNode nullNode() { return _nodeFactory.nullNode(); }
@Override
public final BooleanNode booleanNode(boolean v) { return _nodeFactory.booleanNode(v); }
@Override
public final NumericNode numberNode(byte v) { return _nodeFactory.numberNode(v); }
@Override
public final NumericNode numberNode(short v) { return _nodeFactory.numberNode(v); }
@Override
public final NumericNode numberNode(int v) { return _nodeFactory.numberNode(v); }
@Override
public final NumericNode numberNode(long v) {
return _nodeFactory.numberNode(v);
}
@Override
public final NumericNode numberNode(float v) { return _nodeFactory.numberNode(v); }
@Override
public final NumericNode numberNode(double v) { return _nodeFactory.numberNode(v); }
@Override
public final ValueNode numberNode(BigInteger v) { return _nodeFactory.numberNode(v); }
@Override
public final ValueNode numberNode(BigDecimal v) { return (_nodeFactory.numberNode(v)); }
@Override
public final ValueNode numberNode(Byte v) { return _nodeFactory.numberNode(v); }
@Override
public final ValueNode numberNode(Short v) { return _nodeFactory.numberNode(v); }
@Override
public final ValueNode numberNode(Integer v) { return _nodeFactory.numberNode(v); }
@Override
public final ValueNode numberNode(Long v) { return _nodeFactory.numberNode(v); }
@Override
public final ValueNode numberNode(Float v) { return _nodeFactory.numberNode(v); }
@Override
public final ValueNode numberNode(Double v) { return _nodeFactory.numberNode(v); }
@Override
public final TextNode textNode(String text) { return _nodeFactory.textNode(text); }
@Override
public final BinaryNode binaryNode(byte[] data) { return _nodeFactory.binaryNode(data); }
@Override
public final BinaryNode binaryNode(byte[] data, int offset, int length) { return _nodeFactory.binaryNode(data, offset, length); }
@Override
public final ValueNode pojoNode(Object pojo) { return _nodeFactory.pojoNode(pojo); }
@Override
public final ValueNode rawValueNode(RawValue value) { return _nodeFactory.rawValueNode(value); }
/*
/**********************************************************
/* Common mutators
/**********************************************************
*/
Method for removing all children container has (if any)
Returns: Container node itself (to allow method call chaining)
/**
* Method for removing all children container has (if any)
*
* @return Container node itself (to allow method call chaining)
*/
public abstract T removeAll();
}