com.eclipsesource.v8.V8.executeStringFunction()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中com.eclipsesource.v8.V8.executeStringFunction()方法的一些代码示例，展示了V8.executeStringFunction()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。V8.executeStringFunction()方法的具体详情如下：
包路径：com.eclipsesource.v8.V8
类名称：V8
方法名：executeStringFunction

V8.executeStringFunction介绍

暂无

代码示例

代码示例来源：origin: eclipsesource/J2V8

/**
 * Invoke a JavaScript function and return the result as a String. If the
 * result is not a String, or does not exist, then V8ResultUndefined is thrown.
 *
 * @param name The name of the JS Function to call.
 *
 * @param parameters The parameters to pass to the function. Parameters must be released.
 *
 * @return A String representing the result of the function call or V8ResultUndefined
 * if the result is not a String.
 */
public String executeStringFunction(final String name, final V8Array parameters) {
  v8.checkThread();
  checkReleased();
  v8.checkRuntime(parameters);
  long parametersHandle = parameters == null ? 0 : parameters.getHandle();
  return v8.executeStringFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ResultUndefined.class)
public void testResultUndefinedForNoReturnInStringFunction() {
  v8.executeVoidScript("function foo() {};");
  v8.executeStringFunction("foo", null);
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ResultUndefined.class)
public void testResultUndefinedForWrongReturnTypeOfStringFunction() {
  v8.executeVoidScript("function foo() {return 42;}");
  v8.executeStringFunction("foo", null);
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ScriptExecutionException.class)
public void testV8ScriptExceptionStringCall() {
  v8.executeVoidScript(errorFunction);
  v8.executeStringFunction("myFunction", null);
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testObjectMethodReturnsString() {
  ICallback callback = mock(ICallback.class);
  doReturn("foobar").when(callback).objectMethodNoParameter();
  v8.registerJavaMethod(callback, "objectMethodNoParameter", "foo", new Class<?>[] {});
  String result = v8.executeStringFunction("foo", null);
  assertEquals("foobar", result);
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testExecuteUnicodeFunction() {
  v8.executeVoidScript("var ಠ_ಠ = function() { return '🌞' + '💐'; }; ");
  assertEquals("🌞💐", v8.executeStringFunction("ಠ_ಠ", null));
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testStringFunctionCallNullParameters() {
  v8.executeVoidScript("function foo() {return 'hello';}");
  String result = v8.executeStringFunction("foo", null);
  assertEquals("hello", result);
}

代码示例来源：origin: eclipsesource/J2V8

/*** String Function ***/
@Test
public void testSimpleStringFunction() {
  v8.executeVoidScript("function foo() {return 'hello';}");
  String result = v8.executeStringFunction("foo", null);
  assertEquals("hello", result);
}

代码示例来源：origin: eclipsesource/J2V8

/**
 * Invoke a JavaScript function and return the result as a String. If the
 * result is not a String, or does not exist, then V8ResultUndefined is thrown.
 *
 * @param name The name of the JS Function to call.
 *
 * @param parameters The parameters to pass to the function. Parameters must be released.
 *
 * @return A String representing the result of the function call or V8ResultUndefined
 * if the result is not a String.
 */
public String executeStringFunction(final String name, final V8Array parameters) {
  v8.checkThread();
  checkReleased();
  v8.checkRuntime(parameters);
  long parametersHandle = parameters == null ? 0 : parameters.getHandle();
  return v8.executeStringFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testStringFunctionCallNoParameters() {
  v8.executeVoidScript("function foo() {return 'hello';}");
  V8Array parameters = new V8Array(v8);
  String result = v8.executeStringFunction("foo", parameters);
  assertEquals("hello", result);
  parameters.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ResultUndefined.class)
public void testStringFunctionNoReturn() {
  v8.executeVoidScript("function add(x, y) {;}");
  V8Array parameters = new V8Array(v8);
  parameters.push(7);
  parameters.push(8);
  try {
    v8.executeStringFunction("add", parameters);
  } finally {
    parameters.close();
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = V8ResultUndefined.class)
public void testStringFunctionNotString() {
  v8.executeVoidScript("function add(x, y) {return 7;}");
  V8Array parameters = new V8Array(v8);
  parameters.push(7);
  parameters.push(8);
  try {
    v8.executeStringFunction("add", parameters);
  } finally {
    parameters.close();
  }
}

代码示例来源：origin: eclipsesource/J2V8

@Test
public void testStringFunctionCall() {
  v8.executeVoidScript("function add(x, y) {return x+y;}");
  V8Array parameters = new V8Array(v8);
  parameters.push("hello, ");
  parameters.push("world!");
  String result = v8.executeStringFunction("add", parameters);
  assertEquals("hello, world!", result);
  parameters.close();
}

代码示例来源：origin: eclipsesource/J2V8

@Test(expected = Error.class)
public void testSharingObjectsAsFunctionCallParameters_StringFunction() {
  V8 engine = null;
  V8 engine2 = null;
  try {
    engine = V8.createV8Runtime();
    engine2 = V8.createV8Runtime();
    engine.executeScript("b = function(param){return param;}");
    engine2.executeScript("a = ['foo'];");
    V8Array a = (V8Array) engine2.get("a");
    engine.executeStringFunction("b", a);
  } finally {
    engine.release(false);
    engine2.release(false);
  }
}

代码示例来源：origin: org.sheinbergon/useragent-analyzer-processor-uaparserjs

static Optional<String> executeV8Function(V8 v8, String userAgent) {
    V8Array v8FunctionParams = null;
    try {
      v8.getLocker().acquire();
      v8FunctionParams = new V8Array(v8).push(userAgent);
      return Optional.ofNullable(v8.executeStringFunction(WRAPPER_FUNCTION, v8FunctionParams));
    } finally {
      // Release V8 engine function parameters array
      Optional.ofNullable(v8FunctionParams)
          .ifPresent(V8Array::release);
      // Release V8 engine lock
      Optional.of(v8.getLocker())
          .filter(V8Locker::hasLock)
          .ifPresent(V8Locker::release);
    }
  }
}

代码示例来源：origin: de.undercouch/citeproc-java

@Override
@SuppressWarnings("unchecked")
public <T> T callMethod(String name, Class<T> resultType, Object... args)
    throws ScriptRunnerException {
  Set<V8Value> newValues = new HashSet<>();
  V8Array parameters = convertArguments(args, newValues);
  try {
    if (String.class.isAssignableFrom(resultType)) {
      return (T)runtime.executeStringFunction(name, parameters);
    }
    return convert(runtime.executeObjectFunction(name, parameters), resultType);
  } catch (V8RuntimeException e) {
    throw new ScriptRunnerException("Could not call method", e);
  } finally {
    newValues.forEach(V8Value::release);
  }
}

代码示例来源：origin: michel-kraemer/citeproc-java

@Override
@SuppressWarnings("unchecked")
public <T> T callMethod(String name, Class<T> resultType, Object... args)
    throws ScriptRunnerException {
  Set<V8Value> newValues = new HashSet<>();
  V8Array parameters = convertArguments(args, newValues);
  try {
    if (String.class.isAssignableFrom(resultType)) {
      return (T)runtime.executeStringFunction(name, parameters);
    }
    return convert(runtime.executeObjectFunction(name, parameters), resultType);
  } catch (V8RuntimeException e) {
    throw new ScriptRunnerException("Could not call method", e);
  } finally {
    newValues.forEach(V8Value::release);
  }
}

代码示例来源：origin: com.eclipsesource.j2v8/j2v8_win32_x86_64

/**
 * Invoke a JavaScript function and return the result as a String. If the
 * result is not a String, or does not exist, then V8ResultUndefined is thrown.
 *
 * @param name The name of the JS Function to call.
 *
 * @param parameters The parameters to pass to the function. Parameters must be released.
 *
 * @return A String representing the result of the function call or V8ResultUndefined
 * if the result is not a String.
 */
public String executeStringFunction(final String name, final V8Array parameters) {
  v8.checkThread();
  checkReleased();
  long parametersHandle = parameters == null ? 0 : parameters.getHandle();
  return v8.executeStringFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}

代码示例来源：origin: com.eclipsesource.j2v8/j2v8_macosx_x86_64

/**
 * Invoke a JavaScript function and return the result as a String. If the
 * result is not a String, or does not exist, then V8ResultUndefined is thrown.
 *
 * @param name The name of the JS Function to call.
 *
 * @param parameters The parameters to pass to the function. Parameters must be released.
 *
 * @return A String representing the result of the function call or V8ResultUndefined
 * if the result is not a String.
 */
public String executeStringFunction(final String name, final V8Array parameters) {
  v8.checkThread();
  checkReleased();
  long parametersHandle = parameters == null ? 0 : parameters.getHandle();
  return v8.executeStringFunction(v8.getV8RuntimePtr(), getHandle(), name, parametersHandle);
}

代码示例来源：origin: michel-kraemer/vertx-lang-typescript

return runtime.executeStringFunction("compileTypescript", args);
} finally {
 args.release();

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