java/src/test/java/com/jsoniter/TestDemo.java at master · lyBigdata/java · GitHub

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package com.jsoniter;

import com.jsoniter.annotation.JsonProperty;

import com.jsoniter.any.Any;

import com.jsoniter.fuzzy.MaybeEmptyArrayDecoder;

import com.jsoniter.fuzzy.MaybeStringLongDecoder;

import com.jsoniter.output.EncodingMode;

import com.jsoniter.output.JsonStream;

import com.jsoniter.spi.Decoder;

import com.jsoniter.spi.EmptyExtension;

import com.jsoniter.spi.JsoniterSpi;

import com.jsoniter.spi.TypeLiteral;

import junit.framework.TestCase;

import java.io.IOException;

import java.lang.reflect.Type;

import java.util.Date;

import java.util.List;

public class TestDemo extends TestCase {

public void test_bind_api() throws IOException {

JsonIterator iter = JsonIterator.parse("[0,1,2,3]");

int[] val = iter.read(int[].class);

System.out.println(val[3]);

}

public void test_any_api() throws IOException {

JsonIterator iter = JsonIterator.parse("[0,1,2,3]");

System.out.println(iter.readAny().toInt(3));

}

public void test_iterator_api() throws IOException {

JsonIterator iter = JsonIterator.parse("[0,1,2,3]");

int total = 0;

while (iter.readArray()) {

total += iter.readInt();

}

System.out.println(total);

}

public static class ABC {

public Any a;

}

public void test_abc() throws IOException {

JsonIterator iter = JsonIterator.parse("{'a': {'b': {'c': 'd'}}}".replace('\'', '"'));

ABC abc = iter.read(ABC.class);

assertEquals("d", abc.a.get("b", "c").object());

}

public void test_iterator_api_and_bind() throws IOException {

JsonIterator iter = JsonIterator.parse("[123, {'name': 'taowen', 'tags': ['crazy', 'hacker']}]".replace('\'', '"'));

iter.readArray();

int userId = iter.readInt();

iter.readArray();

User user = iter.read(User.class);

user.userId = userId;

iter.readArray(); // end of array

System.out.println(user);

}

public void test_empty_array_as_null() throws IOException {

JsoniterSpi.registerExtension(new EmptyExtension() {

@Override

public Decoder createDecoder(final String cacheKey, final Type type) {

if (cacheKey.endsWith(".original")) {

// avoid infinite loop

return null;

}

if (type != Date.class) {

return null;

}

return new Decoder() {

@Override

public Object decode(JsonIterator iter1) throws IOException {

if (iter1.whatIsNext() == ValueType.ARRAY) {

if (iter1.readArray()) {

// none empty array

throw iter1.reportError("decode [] as null", "only empty array is expected");

} else {

return null;

}

} else {

// just use original decoder

TypeLiteral typeLiteral = new TypeLiteral(type, cacheKey + ".original",

TypeLiteral.create(type).getDecoderCacheKey());

return iter1.read(typeLiteral);

}

};

}

});

JsonIterator iter = JsonIterator.parse("[]");

assertNull(iter.read(Date.class));

}

public static class Order {

@JsonProperty(decoder = MaybeStringLongDecoder.class)

public long order_id;

@JsonProperty(decoder = MaybeEmptyArrayDecoder.class)

public OrderDetails order_details;

}

public static class OrderDetails {

public String pay_type;

}

public void test_iterator() throws IOException {

JsonIterator iter = JsonIterator.parse("{'numbers': ['1', '2', ['3', '4']]}".replace('\'', '"'));

assertEquals("numbers", iter.readObject());

assertTrue(iter.readArray());

assertEquals("1", iter.readString());

assertTrue(iter.readArray());

assertEquals("2", iter.readString());

assertTrue(iter.readArray());

assertEquals(ValueType.ARRAY, iter.whatIsNext());

assertTrue(iter.readArray()); // start inner array

assertEquals(ValueType.STRING, iter.whatIsNext());

assertEquals("3", iter.readString());

assertTrue(iter.readArray());

assertEquals("4", iter.readString());

assertFalse(iter.readArray()); // end inner array

assertFalse(iter.readArray()); // end outer array

assertNull(iter.readObject()); // end object

}

public void test_any_is_fun() throws IOException {

Any any = JsonIterator.deserialize("{'numbers': ['1', '2', ['3', '4']]}".replace('\'', '"'));

any.get("numbers").asList().add(Any.wrap("hello"));

assertEquals("{'numbers':['1', '2', ['3', '4'],'hello']}".replace('\'', '"'), JsonStream.serialize(any));

any = JsonIterator.deserialize("{'error': 'failed'}".replace('\'', '"'));

assertFalse(any.toBoolean("success"));

any = JsonIterator.deserialize("{'success': true}".replace('\'', '"'));

assertTrue(any.toBoolean("success"));

any = JsonIterator.deserialize("{'success': 'false'}".replace('\'', '"'));

assertFalse(any.toBoolean("success"));

any = JsonIterator.deserialize("[{'score':100}, {'score':102}]".replace('\'', '"'));

assertEquals("[100,102]", JsonStream.serialize(any.get('*', "score")));

any = JsonIterator.deserialize("[{'score':100}, {'score':[102]}]".replace('\'', '"'));

assertEquals("[{},{'score':102}]".replace('\'', '"'), JsonStream.serialize(any.get('*', '*', 0)));

any = JsonIterator.deserialize("[{'score':100}, {'score':102}]".replace('\'', '"'));

assertEquals(Long.class, any.get(0, "score").object().getClass());

any = JsonIterator.deserialize("[{'score':100}, {'score':102}]".replace('\'', '"'));

assertEquals(ValueType.INVALID, any.get(0, "score", "number").valueType());

any = JsonIterator.deserialize("[{'score':100}, {'score':102}]".replace('\'', '"'));

for (Any record : any) {

Any.EntryIterator entries = record.entries();

while (entries.next()) {

System.out.println(entries.key());

System.out.println(entries.value());

}

java/src/test/java/com/jsoniter/TestDemo.java at master · lyBigdata/java · GitHub

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