本文整理了Java中com.eclipsesource.v8.V8Array.length()方法的一些代码示例，展示了V8Array.length()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。V8Array.length()方法的具体详情如下：
包路径：com.eclipsesource.v8.V8Array
类名称：V8Array
方法名：length

V8Array.length介绍

[英]Returns the length of this array.
[中]返回此数组的长度。

代码示例

代码示例来源：origin: eclipsesource/J2V8

/**
 * Returns the number of properties contained in this array.
 *
 * @return The length of this array.
 */
public int length() {
  return v8Array.length();
}

代码示例来源：origin: jooby-project/jooby

private static JavaVoidCallback console(V8 v8, final Consumer<String> log) {
 return (self, args) -> {
  StringBuilder buff = new StringBuilder();
  for (int i = 0; i < args.length(); i++) {
   buff.append(args.get(i));
  }
  log.accept(buff.toString());
 };
}

代码示例来源：origin: jooby-project/jooby

@SuppressWarnings("unchecked")
 private List<String> filter(final V8Array args, final int i) {
  if (i < args.length()) {
   Object value = V8ObjectUtils.getValue(args, i);
   if (value == V8.getUndefined()) {
    return Collections.emptyList();
   }
   List<String> filter = new ArrayList<>();
   if (value instanceof Collection) {
    filter.addAll((Collection<? extends String>) value);
   } else {
    filter.add(value.toString());
   }
   return filter;
  }
  return Collections.emptyList();
 }
}

代码示例来源：origin: eclipsesource/J2V8

private void populateParamters(final V8Array parameters, final int varArgIndex, final Object[] args, final List<Object> varArgs, final boolean includeReceiver) {
  int start = 0;
  if (includeReceiver) {
    start = 1;
  }
  for (int i = start; i < (parameters.length() + start); i++) {
    if (i >= varArgIndex) {
      varArgs.add(getArrayItem(parameters, i - start));
    } else {
      args[i] = getArrayItem(parameters, i - start);
    }
  }
}

代码示例来源：origin: jooby-project/jooby

private List<AssetProblem> problems(final V8Array array) {
 ImmutableList.Builder<AssetProblem> result = ImmutableList.builder();
 for (int i = 0; i < array.length(); i++) {
  result.add(problem(register(v8, array.getObject(i))));
 }
 return result.build();
}

代码示例来源：origin: eclipsesource/J2V8

/**
 * Returns a count of all the breakpoints
 *
 * @return A V8Array of Breakpoints.
 */
public int getScriptBreakPointCount() {
  V8Array breakPoints = debugObject.executeArrayFunction(SCRIPT_BREAK_POINTS, null);
  try {
    return breakPoints.length();
  } finally {
    breakPoints.close();
  }
}

代码示例来源：origin: eclipsesource/J2V8

/**
 * Get all the BreakPoint IDs as an array.
 *
 * @return A list of BreakPoint IDs.
 */
public int[] getScriptBreakPointIDs() {
  V8Array breakPoints = debugObject.executeArrayFunction(SCRIPT_BREAK_POINTS, null);
  try {
    int[] result = new int[breakPoints.length()];
    for (int i = 0; i < breakPoints.length(); i++) {
      V8Object breakPoint = breakPoints.getObject(i);
      try {
        result[i] = breakPoint.executeIntegerFunction(NUMBER, null);
      } finally {
        breakPoint.close();
      }
    }
    return result;
  } finally {
    breakPoints.close();
  }
}

代码示例来源：origin: eclipsesource/J2V8

/**
 * Creates a Java array from a V8Array. The type of the Array must be specified.
 * Currently, only INTEGER, DOUBLE, BOOLEAN and STRING are supported.
 * The V8Array must only contain elements of type 'arrayType'.
 *
 * This method will use J2V8's bulk array copy making it faster than iterating over
 * all the elements in the array.
 *
 * @param array The V8Array to convert to a Java Array.
 * @param arrayType The type of the V8Array to convert.
 *
 * @return A Java array representing a V8Array.
 */
public static Object getTypedArray(final V8Array array, final int arrayType) {
  int length = array.length();
  if (arrayType == V8Value.INTEGER) {
    return array.getIntegers(0, length);
  } else if (arrayType == V8Value.DOUBLE) {
    return array.getDoubles(0, length);
  } else if (arrayType == V8Value.BOOLEAN) {
    return array.getBooleans(0, length);
  } else if (arrayType == V8Value.STRING) {
    return array.getStrings(0, length);
  }
  throw new RuntimeException("Unsupported bulk load type: " + arrayType);
}

代码示例来源：origin: eclipsesource/J2V8

@SuppressWarnings("unchecked")
private static List<? super Object> toList(final V8Array array, final V8Map<Object> cache, final TypeAdapter adapter) {
  if (array == null) {
    return Collections.emptyList();
  }
  if (cache.containsKey(array)) {
    return (List<? super Object>) cache.get(array);
  }
  List<? super Object> result = new ArrayList<Object>();
  cache.put(array, result);
  for (int i = 0; i < array.length(); i++) {
    Object object = null;
    int type = V8Value.UNDEFINED;
    try {
      object = array.get(i);
      type = array.getType(i);
      Object value = getValue(object, type, cache, adapter);
      if (value != IGNORE) {
        result.add(value);
      }
    } finally {
      if (object instanceof Releasable) {
        ((Releasable) object).release();
      }
    }
  }
  return result;
}

代码示例来源：origin: eclipsesource/J2V8

int length = array.length();
if (arrayType == V8Value.INTEGER) {
  int[] intArray = (int[]) result;

代码示例来源：origin: eclipsesource/J2V8

/**
 * Returns all the property names for the given object.
 *
 * @param kind Indicate whether named, indexed or both kinds of properties are requested.
 * @param limit Limit the number of properties returned to the specified value
 * @return All the property names for a given object
 */
public String[] getPropertyNames(final PropertyKind kind, final int limit) {
  V8Array parameters = new V8Array(v8Object.getRuntime());
  parameters.push(kind.index);
  parameters.push(limit);
  V8Array propertyNames = null;
  try {
    propertyNames = v8Object.executeArrayFunction(PROPERTY_NAMES, parameters);
    String[] result = new String[propertyNames.length()];
    for (int i = 0; i < result.length; i++) {
      result[i] = propertyNames.getString(i);
    }
    return result;
  } finally {
    parameters.close();
    if (propertyNames != null) {
      propertyNames.close();
    }
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Override
  public Boolean answer(final InvocationOnMock invocation) {
    Object[] args = invocation.getArguments();
    int arrayLength = ((V8Array) args[0]).length();
    int result = 0;
    for (int i = 0; i < arrayLength; i++) {
      result += ((V8Array) args[0]).getInteger(i);
    }
    return result > 10;
  }
}).when(callback).booleanMethodWithArrayParameter(any(V8Array.class));

代码示例来源：origin: eclipsesource/J2V8

/*** Array Function ***/
@Test
public void testSimpleArrayFunction() {
  v8.executeVoidScript("function foo() {return [1,2,3];}");
  V8Array result = v8.executeArrayFunction("foo", null);
  assertEquals(3, result.length());
  result.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testArrayFunctionCallNullParameters() {
  v8.executeVoidScript("function foo() {return [1,2];}");
  V8Array result = v8.executeArrayFunction("foo", null);
  assertEquals(2, result.length());
  result.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testLargeArrayGetInt() {
  V8Array array = v8.executeArrayScript("foo = []; for ( var i = 0; i < 10000; i++) {foo[i] = i;}; foo");
  assertEquals(10000, array.length());
  for (int i = 0; i < 10000; i++) {
    assertEquals(i, array.getInteger(i));
  }
  array.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testGetTypedRangeArrayValue() {
  V8Array result = (V8Array) v8.executeScript("var buf = new ArrayBuffer(100); var ints = new Int32Array(buf); for(var i = 0; i < 25; i++) {ints[i] = i;}; ints");
  assertEquals(25, result.length());
  int[] ints = result.getIntegers(0, 25);
  for (int i = 0; i < ints.length; i++) {
    assertEquals(i, ints[i]);
  }
  result.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testAddNull() {
  V8Array v8Array = new V8Array(v8);
  v8Array.pushNull();
  assertEquals(1, v8Array.length());
  assertEquals(NULL, v8Array.getType(0));
  assertNull(v8Array.getObject(0));
  v8Array.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testAnyScriptReturnsV8Array() {
  V8Array result = (V8Array) v8.executeScript("[1,2,3];");
  assertEquals(3, result.length());
  assertEquals(1, result.get(0));
  assertEquals(2, result.get(1));
  assertEquals(3, result.get(2));
  result.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testAddBoolean() {
  V8Array array = new V8Array(v8);
  array.push(true);
  array.push(false);
  assertEquals(2, array.length());
  assertTrue(array.getBoolean(0));
  assertFalse(array.getBoolean(1));
  array.close();
}

代码示例来源：origin: eclipsesource/J2V8

/**** Mixed Array ****/
@Test
public void testMixedArray() {
  V8Array array = v8.executeArrayScript("['a', 3, 3.1, true];");
  assertEquals(4, array.length());
  assertEquals("a", array.getString(0));
  assertEquals(3, array.getInteger(1));
  assertEquals(3.1, array.getDouble(2), 0.00001);
  assertTrue(array.getBoolean(3));
  array.close();
}