本文整理了Java中io.vertx.core.json.JsonArray.getString()方法的一些代码示例，展示了JsonArray.getString()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。JsonArray.getString()方法的具体详情如下：
包路径：io.vertx.core.json.JsonArray
类名称：JsonArray
方法名：getString

JsonArray.getString介绍

[英]Get the String at position pos in the array,
[中]获取数组中位置pos处的字符串，

代码示例

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testCreateFromMapNestedList() {
 Map<String, Object> map = new HashMap<>();
 List<String> nestedArr = Arrays.asList("foo");
 map.put("nested", nestedArr);
 JsonObject obj = new JsonObject(map);
 JsonArray nestedRetrieved = obj.getJsonArray("nested");
 assertEquals("foo", nestedRetrieved.getString(0));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testCreateFromListCharSequence() {
 List<Object> list = new ArrayList<>();
 list.add("foo");
 list.add(123);
 list.add(new StringBuilder("eek"));
 JsonArray arr = new JsonArray(list);
 assertEquals("foo", arr.getString(0));
 assertEquals(Integer.valueOf(123), arr.getInteger(1));
 assertEquals("eek", arr.getString(2));
 assertSame(list, arr.getList());
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testCreateFromMapNestedJsonArray() {
 Map<String, Object> map = new HashMap<>();
 JsonArray nestedArr = new JsonArray().add("foo");
 map.put("nested", nestedArr);
 JsonObject obj = new JsonObject(map);
 JsonArray nestedRetrieved = obj.getJsonArray("nested");
 assertEquals("foo", nestedRetrieved.getString(0));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testCreateFromList() {
 List<Object> list = new ArrayList<>();
 list.add("foo");
 list.add(123);
 JsonArray arr = new JsonArray(list);
 assertEquals("foo", arr.getString(0));
 assertEquals(Integer.valueOf(123), arr.getInteger(1));
 assertSame(list, arr.getList());
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testCreateFromListNestedJsonObject() {
 List<Object> list = new ArrayList<>();
 list.add("foo");
 list.add(123);
 JsonObject obj = new JsonObject().put("blah", "wibble");
 list.add(obj);
 JsonArray arr = new JsonArray(list);
 assertEquals("foo", arr.getString(0));
 assertEquals(Integer.valueOf(123), arr.getInteger(1));
 assertSame(list, arr.getList());
 assertSame(obj, arr.getJsonObject(2));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testGetString() {
 jsonArray.add("foo");
 assertEquals("foo", jsonArray.getString(0));
 try {
  jsonArray.getString(-1);
  fail();
 } catch (IndexOutOfBoundsException e) {
  // OK
 }
 try {
  jsonArray.getString(1);
  fail();
 } catch (IndexOutOfBoundsException e) {
  // OK
 }
 jsonArray.add(123);
 try {
  jsonArray.getString(1);
  fail();
 } catch (ClassCastException e) {
  // OK
 }
 jsonArray.addNull();
 assertNull(jsonArray.getString(2));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testCreateFromListNestedList() {
 List<Object> list = new ArrayList<>();
 list.add("foo");
 list.add(123);
 List<Object> list2 = new ArrayList<>();
 list2.add("blah");
 list2.add("wibble");
 list.add(list2);
 JsonArray arr = new JsonArray(list);
 assertEquals("foo", arr.getString(0));
 assertEquals(Integer.valueOf(123), arr.getInteger(1));
 assertSame(list, arr.getList());
 JsonArray arr2 = arr.getJsonArray(2);
 assertSame(list2, arr2.getList());
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testCreateFromListNestedMap() {
 List<Object> list = new ArrayList<>();
 list.add("foo");
 list.add(123);
 Map<String, Object> map = new HashMap<>();
 map.put("blah", "wibble");
 list.add(map);
 JsonArray arr = new JsonArray(list);
 assertEquals("foo", arr.getString(0));
 assertEquals(Integer.valueOf(123), arr.getInteger(1));
 assertSame(list, arr.getList());
 JsonObject obj = arr.getJsonObject(2);
 assertSame(map, obj.getMap());
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testCreateFromListNestedJsonArray() {
 List<Object> list = new ArrayList<>();
 list.add("foo");
 list.add(123);
 JsonArray arr2 = new JsonArray().add("blah").add("wibble");
 list.add(arr2);
 JsonArray arr = new JsonArray(list);
 assertEquals("foo", arr.getString(0));
 assertEquals(Integer.valueOf(123), arr.getInteger(1));
 assertSame(list, arr.getList());
 assertSame(arr2, arr.getJsonArray(2));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testToJsonArray() {
 List<Object> list = new ArrayList<>();
 list.add("the_string");
 list.add(4);
 list.add(true);
 list.add(new AsciiString("the_charsequence"));
 list.add(new BigInteger("1234567"));
 list.add(Buffer.buffer("hello"));
 list.add(Collections.singletonMap("nested", 4));
 list.add(Arrays.asList(1, 2, 3));
 JsonArray json = (JsonArray) ConversionHelper.toObject(list);
 assertEquals(8, json.size());
 assertEquals("the_string", json.getString(0));
 assertEquals(4, (int)json.getInteger(1));
 assertEquals(true, json.getBoolean(2));
 assertEquals("the_charsequence", json.getString(3));
 assertEquals(1234567, (int)json.getInteger(4));
 assertEquals("hello", new String(json.getBinary(5)));
 assertEquals(new JsonObject().put("nested", 4), json.getJsonObject(6));
 assertEquals(new JsonArray().add(1).add(2).add(3), json.getJsonArray(7));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testAddCharSequence() {
 assertSame(jsonArray, jsonArray.add(new StringBuilder("bar")));
 assertEquals("bar", jsonArray.getString(0));
 try {
  jsonArray.add((CharSequence) null);
  fail();
 } catch (NullPointerException e) {
  // OK
 }
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testAddAllJsonArray() {
 jsonArray.add("bar");
 JsonArray arr = new JsonArray().add("foo").add(48);
 assertSame(jsonArray, jsonArray.addAll(arr));
 assertEquals(arr.getString(0), jsonArray.getString(1));
 assertEquals(arr.getInteger(1), jsonArray.getInteger(2));
 try {
  jsonArray.add((JsonArray)null);
  fail();
 } catch (NullPointerException e) {
  // OK
 }
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testDecode() {
 byte[] bytes = TestUtils.randomByteArray(10);
 String strBytes = Base64.getEncoder().encodeToString(bytes);
 Instant now = Instant.now();
 String strInstant = ISO_INSTANT.format(now);
 String json = "[\"foo\",123,1234,1.23,2.34,true,\"" + strBytes + "\",\"" + strInstant + "\",null,{\"foo\":\"bar\"},[\"foo\",123]]";
 JsonArray arr = new JsonArray(json);
 assertEquals("foo", arr.getString(0));
 assertEquals(Integer.valueOf(123), arr.getInteger(1));
 assertEquals(Long.valueOf(1234l), arr.getLong(2));
 assertEquals(Float.valueOf(1.23f), arr.getFloat(3));
 assertEquals(Double.valueOf(2.34d), arr.getDouble(4));
 assertEquals(true, arr.getBoolean(5));
 assertArrayEquals(bytes, arr.getBinary(6));
 assertEquals(Base64.getEncoder().encodeToString(bytes), arr.getValue(6));
 assertEquals(now, arr.getInstant(7));
 assertEquals(now.toString(), arr.getValue(7));
 assertTrue(arr.hasNull(8));
 JsonObject obj = arr.getJsonObject(9);
 assertEquals("bar", obj.getString("foo"));
 JsonArray arr2 = arr.getJsonArray(10);
 assertEquals("foo", arr2.getString(0));
 assertEquals(Integer.valueOf(123), arr2.getInteger(1));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testAddString() {
 assertSame(jsonArray, jsonArray.add("foo"));
 assertEquals("foo", jsonArray.getString(0));
 try {
  jsonArray.add((String)null);
  fail();
 } catch (NullPointerException e) {
  // OK
 }
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testAddNull() {
 assertSame(jsonArray, jsonArray.addNull());
 assertEquals(null, jsonArray.getString(0));
 assertTrue(jsonArray.hasNull(0));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testDecode() throws Exception {
 byte[] bytes = TestUtils.randomByteArray(10);
 String strBytes = Base64.getEncoder().encodeToString(bytes);
 Instant now = Instant.now();
 String strInstant = ISO_INSTANT.format(now);
 String json = "{\"mystr\":\"foo\",\"myint\":123,\"mylong\":1234,\"myfloat\":1.23,\"mydouble\":2.34,\"" +
  "myboolean\":true,\"mybinary\":\"" + strBytes + "\",\"myinstant\":\"" + strInstant + "\",\"mynull\":null,\"myobj\":{\"foo\":\"bar\"},\"myarr\":[\"foo\",123]}";
 JsonObject obj = new JsonObject(json);
 assertEquals(json, obj.encode());
 assertEquals("foo", obj.getString("mystr"));
 assertEquals(Integer.valueOf(123), obj.getInteger("myint"));
 assertEquals(Long.valueOf(1234), obj.getLong("mylong"));
 assertEquals(Float.valueOf(1.23f), obj.getFloat("myfloat"));
 assertEquals(Double.valueOf(2.34d), obj.getDouble("mydouble"));
 assertTrue(obj.getBoolean("myboolean"));
 assertArrayEquals(bytes, obj.getBinary("mybinary"));
 assertEquals(Base64.getEncoder().encodeToString(bytes), obj.getValue("mybinary"));
 assertEquals(now, obj.getInstant("myinstant"));
 assertEquals(now.toString(), obj.getValue("myinstant"));
 assertTrue(obj.containsKey("mynull"));
 JsonObject nestedObj = obj.getJsonObject("myobj");
 assertEquals("bar", nestedObj.getString("foo"));
 JsonArray nestedArr = obj.getJsonArray("myarr");
 assertEquals("foo", nestedArr.getString(0));
 assertEquals(Integer.valueOf(123), Integer.valueOf(nestedArr.getInteger(1)));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testAddEnum() {
 assertSame(jsonArray, jsonArray.add(JsonObjectTest.SomeEnum.FOO));
 assertEquals(JsonObjectTest.SomeEnum.FOO.toString(), jsonArray.getString(0));
 try {
  jsonArray.add((JsonObjectTest.SomeEnum)null);
  fail();
 } catch (NullPointerException e) {
  // OK
 }
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testHasNull() {
 jsonArray.addNull();
 jsonArray.add("foo");
 assertEquals(null, jsonArray.getString(0));
 assertTrue(jsonArray.hasNull(0));
 assertFalse(jsonArray.hasNull(1));
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testCopy() {
 jsonArray.add("foo");
 jsonArray.add(123);
 JsonObject obj = new JsonObject().put("foo", "bar");
 jsonArray.add(obj);
 jsonArray.add(new StringBuilder("eeek"));
 JsonArray copy = jsonArray.copy();
 assertEquals("eeek", copy.getString(3));
 assertNotSame(jsonArray, copy);
 assertEquals(jsonArray, copy);
 assertEquals(4, copy.size());
 assertEquals("foo", copy.getString(0));
 assertEquals(Integer.valueOf(123), copy.getInteger(1));
 assertEquals(obj, copy.getJsonObject(2));
 assertNotSame(obj, copy.getJsonObject(2));
 copy.add("foo");
 assertEquals(4, jsonArray.size());
 jsonArray.add("bar");
 assertEquals(5, copy.size());
}

代码示例来源：origin: eclipse-vertx/vert.x

@Test
public void testGetBinary() {
 byte[] bytes = TestUtils.randomByteArray(10);
 jsonArray.add(bytes);
 assertArrayEquals(bytes, jsonArray.getBinary(0));
 assertEquals(Base64.getEncoder().encodeToString(bytes), jsonArray.getValue(0));
 assertArrayEquals(bytes, Base64.getDecoder().decode(jsonArray.getString(0)));
 try {
  jsonArray.getBinary(-1);
  fail();
 } catch (IndexOutOfBoundsException e) {
  // OK
 }
 try {
  jsonArray.getBinary(1);
  fail();
 } catch (IndexOutOfBoundsException e) {
  // OK
 }
 jsonArray.add(123);
 try {
  jsonArray.getBinary(1);
  fail();
 } catch (ClassCastException e) {
  // OK
 }
 jsonArray.addNull();
 assertNull(jsonArray.getBinary(2));
}