java复制代码@Slf4j
@RunWith(SpringRunner.class)
@SpringBootTest
public class ApplicationTests {

    @Autowired
    private UserRepository userRepository;

    @Test
    public void test() throws Exception {

        // 创建10条记录
        userRepository.save(new User("AAA", 10));
        userRepository.save(new User("BBB", 20));
        userRepository.save(new User("CCC", 30));
        userRepository.save(new User("DDD", 40));
        userRepository.save(new User("EEE", 50));
        userRepository.save(new User("FFF", 60));
        userRepository.save(new User("GGG", 70));
        userRepository.save(new User("HHH", 80));
        userRepository.save(new User("III", 90));
        userRepository.save(new User("JJJ", 100));

        // 省略后续的一些验证操作
    }

}

java复制代码@Entity
@Data
@NoArgsConstructor
public class User {

    @Id
    @GeneratedValue
    private Long id;
    private String name;
    @Max(50)
    private Integer age;

    public User(String name, Integer age) {
        this.name = name;
        this.age = age;
    }

}

bash复制代码2020-07-09 11:55:29.581 ERROR 24424 --- [           main] o.h.i.ExceptionMapperStandardImpl        : HHH000346: Error during managed flush [Validation failed for classes [com.didispace.chapter310.User] during persist time for groups [javax.validation.groups.Default, ]
List of constraint violations:[
    ConstraintViolationImpl{interpolatedMessage='最大不能超过50', propertyPath=age, rootBeanClass=class com.didispace.chapter310.User, messageTemplate='{javax.validation.constraints.Max.message}'}
]]

java复制代码@Test
@Transactional
public void test() throws Exception {

    // 省略测试内容

}

bash复制代码2020-07-09 12:48:23.831  INFO 24889 --- [           main] o.s.t.c.transaction.TransactionContext   : Began transaction (1) for test context [DefaultTestContext@f6efaab testClass = Chapter310ApplicationTests, testInstance = com.didispace.chapter310.Chapter310ApplicationTests@60816371, testMethod = test@Chapter310ApplicationTests, testException = [null], mergedContextConfiguration = [WebMergedContextConfiguration@3c19aaa5 testClass = Chapter310ApplicationTests, locations = '{}', classes = '{class com.didispace.chapter310.Chapter310Application}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@34cd072c, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@528931cf, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@2353b3e6, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@7ce6a65d], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.populatedRequestContextHolder' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.resetRequestContextHolder' -> true]]; transaction manager [org.springframework.orm.jpa.JpaTransactionManager@4b85edeb]; rollback [true]
2020-07-09 12:48:24.011  INFO 24889 --- [           main] o.s.t.c.transaction.TransactionContext   : Rolled back transaction for test: [DefaultTestContext@f6efaab testClass = Chapter310ApplicationTests, testInstance = com.didispace.chapter310.Chapter310ApplicationTests@60816371, testMethod = test@Chapter310ApplicationTests, testException = javax.validation.ConstraintViolationException: Validation failed for classes [com.didispace.chapter310.User] during persist time for groups [javax.validation.groups.Default, ]
List of constraint violations:[
    ConstraintViolationImpl{interpolatedMessage='最大不能超过50', propertyPath=age, rootBeanClass=class com.didispace.chapter310.User, messageTemplate='{javax.validation.constraints.Max.message}'}
], mergedContextConfiguration = [WebMergedContextConfiguration@3c19aaa5 testClass = Chapter310ApplicationTests, locations = '{}', classes = '{class com.didispace.chapter310.Chapter310Application}', contextInitializerClasses = '[]', activeProfiles = '{}', propertySourceLocations = '{}', propertySourceProperties = '{org.springframework.boot.test.context.SpringBootTestContextBootstrapper=true}', contextCustomizers = set[org.springframework.boot.test.context.filter.ExcludeFilterContextCustomizer@34cd072c, org.springframework.boot.test.json.DuplicateJsonObjectContextCustomizerFactory$DuplicateJsonObjectContextCustomizer@528931cf, org.springframework.boot.test.mock.mockito.MockitoContextCustomizer@0, org.springframework.boot.test.web.client.TestRestTemplateContextCustomizer@2353b3e6, org.springframework.boot.test.autoconfigure.properties.PropertyMappingContextCustomizer@0, org.springframework.boot.test.autoconfigure.web.servlet.WebDriverContextCustomizerFactory$Customizer@7ce6a65d], resourceBasePath = 'src/main/webapp', contextLoader = 'org.springframework.boot.test.context.SpringBootContextLoader', parent = [null]], attributes = map['org.springframework.test.context.web.ServletTestExecutionListener.activateListener' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.populatedRequestContextHolder' -> true, 'org.springframework.test.context.web.ServletTestExecutionListener.resetRequestContextHolder' -> true]]

java复制代码public interface UserService {

    @Transactional
    User update(String name, String password);

}

java复制代码public enum Isolation {
    DEFAULT(-1),
    READ_UNCOMMITTED(1),
    READ_COMMITTED(2),
    REPEATABLE_READ(4),
    SERIALIZABLE(8);
}

java复制代码@Transactional(isolation = Isolation.DEFAULT)

java复制代码public enum Propagation {
    REQUIRED(0),
    SUPPORTS(1),
    MANDATORY(2),
    REQUIRES_NEW(3),
    NOT_SUPPORTED(4),
    NEVER(5),
    NESTED(6);
}

java复制代码@Transactional(propagation = Propagation.REQUIRED)

kotlin复制代码fun main(args: Array<String>) {
//    use toLowerCase()
    val oldName = "Hi dHL"
    val newName = "hi Dhl"
    val result = oldName.toLowerCase() == newName.toLowerCase()

//    or use toUpperCase()
//    val result = oldName.toUpperCase() == newName.toUpperCase()
}

kotlin复制代码fun main(args: Array<String>) {
    val oldName = "hi DHL"
    val newName = "hi dhl"
    val result = oldName.equals(newName, ignoreCase = true)
}

ini复制代码val target = ""
val name = if (target.isEmpty()) "dhl" else target

ini复制代码val name = target.ifEmpty { "dhl" }

kotlin复制代码public inline fun <C, R> C.ifEmpty(defaultValue: () -> R): R where C : CharSequence, C : R =
    if (isEmpty()) defaultValue() else this

ini复制代码val input = "123"
val number = input.toInt()

ini复制代码val input = "123"
//    val input = "123ddd"
//    val input = ""
val number = input.toIntOrNull() ?: 0

kotlin复制代码// 数据类
data class People(
        val name: String,
        val city: String
)

fun main(args: Array<String>) {
    // 编译测试
    printlnPeople(People("dhl", "beijing"))
}

fun printlnPeople(people: People) {
    // 解构声明，获取 name 和 city 并将其输出
    val (name, city) = people
    println("name: ${name}")
    println("city: ${city}")
}

makefile复制代码name: dhl
city: beijing

kotlin复制代码// 数据类，增加了 age
data class People(
        val name: String,
        val age: Int,
        val city: String
)

fun main(args: Array<String>) {
    // 编译测试
    printlnPeople(People("dhl", 80, "beijing"))
}

makefile复制代码name: dhl
city: 80

scss复制代码File("dhl.txt").useLines { line ->
    println(line)
}

kotlin复制代码public inline fun <T> File.useLines(charset: Charset = Charsets.UTF_8, block: (Sequence<String>) -> T): T =
    bufferedReader(charset).use { block(it.lineSequence()) }

kotlin复制代码public inline fun <T : Closeable?, R> T.use(block: (T) -> R): R {
    var exception: Throwable? = null
    try {
        return block(this)
    } catch (e: Throwable) {
        exception = e
        throw e
    } finally {
        when {
            apiVersionIsAtLeast(1, 1, 0) -> this.closeFinally(exception)
            this == null -> {}
            exception == null -> close()
            else ->
                try {
                    close()
                } catch (closeException: Throwable) {
                    // cause.addSuppressed(closeException) // ignored here
                }
        }
    }
}

kotlin复制代码inline fun <T, R> T.dowithTry(block: (T) -> R) {
    try {
        block(this)
    } catch (e: Throwable) {
        e.printStackTrace()
    }
}

// 使用方式
dowithTry {
    // 添加会出现异常的代码, 例如
    val result = 1 / 0
}

kotlin复制代码interface Iterable<out T> {
    operator fun iterator(): Iterator<T>
}

interface Sequence<out T> {
    operator fun iterator(): Iterator<T>
}

scss复制代码val data = (1..3).asSequence()
        .filter { print("F$it, "); it % 2 == 1 }
        .map { print("M$it, "); it * 2 }
        .forEach { print("E$it, ") }
println(data)

// 输出 F1, M1, E2, F2, F3, M3, E6

kotlin复制代码// 中间操作 map ，返回的是  Sequence
public fun <T, R> Sequence<T>.map(transform: (T) -> R): Sequence<R> {
    return TransformingSequence(this, transform)
}

// 末端操作 toList 返回的是一个具体的类型（List）
public fun <T> Sequence<T>.toList(): List<T> {
    return this.toMutableList().optimizeReadOnlyList()
}

// 末端操作 forEachIndexed 返回的是一个具体的类型（Unit）
public inline fun <T> Sequence<T>.forEachIndexed(action: (index: Int, T) -> Unit): Unit {
    var index = 0
    for (item in this) action(checkIndexOverflow(index++), item)
}

scss复制代码val data = (1..3).asIterable()
        .filter { print("F$it, "); it % 2 == 1 }
        .map { print("M$it, "); it * 2 }
        .forEach { print("E$it, ") }
println(data)

// 输出 F1, F2, F3, M1, M3, E2, E6

kotlin复制代码// 每次操作都会开辟一块新的空间，存储计算的结果
public inline fun <T> Iterable<T>.filter(predicate: (T) -> Boolean): List<T> {
    return filterTo(ArrayList<T>(), predicate)
}

// 每次操作都会开辟一块新的空间，存储计算的结果
public inline fun <T, R> Iterable<T>.map(transform: (T) -> R): List<R> {
    return mapTo(ArrayList<R>(collectionSizeOrDefault(10)), transform)
}

scss复制代码val time = measureTimeMillis {
    (1..10000000 * 10).asSequence()
            .filter { it % 2 == 1 }
            .map { it * 2 }
            .count()
}

println(time) // 1197

scss复制代码val time2 = measureTimeMillis {
    (1..10000000 * 10).asIterable()
            .filter { it % 2 == 1 }
            .map { it * 2 }
            .count()
}

println(time2) // 23641

scss复制代码File("ChicagoCrimes.csv").readLines()
   .drop(1) // Drop descriptions of the columns
   .mapNotNull { it.split(",").getOrNull(6) } 
    // Find description
   .filter { "CANNABIS" in it } 
   .count()
   .let(::println)

arduino复制代码Exception in thread "main" java.lang.OutOfMemoryError: Java heap space

scss复制代码File("ChicagoCrimes.csv").useLines { lines ->
// The type of `lines` is Sequence<String>
   lines
       .drop(1) // Drop descriptions of the columns
       .mapNotNull { it.split(",").getOrNull(6) } 
       // Find description
       .filter { "CANNABIS" in it } 
       .count()
       .let { println(it) } // 318185

ini复制代码val data = listOf("Java", "Kotlin", "C++", "Python")
        .joinToString(
                separator = " | ",
                prefix = "{",
                postfix = "}"
        ) {
            it.toUpperCase()
        }

println(data) // {JAVA | KOTLIN | C++ | PYTHON}

go复制代码var data = "**hi dhl**"

// 移除前缀
println(data.removePrefix("**")) //  hi dhl**
// 移除后缀
println(data.removeSuffix("**")) //  **hi dhl
// 移除前缀和后缀
println(data.removeSurrounding("**")) // hi dhl

// 返回第一次出现分隔符后的字符串
println(data.substringAfter("**")) // hi dhl**
// 如果没有找到，返回原始字符串
println(data.substringAfter("--")) // **hi dhl**
// 如果没有找到，返回默认字符串 "no match"
println(data.substringAfter("--","no match")) // no match

data = "{JAVA | KOTLIN | C++ | PYTHON}"

// 移除前缀和后缀
println(data.removeSurrounding("{", "}")) // JAVA | KOTLIN | C++ | PYTHON

arduino复制代码public String substring(int beginIndex, int endIndex) {
    if (beginIndex < 0) {
        throw new StringIndexOutOfBoundsException(beginIndex);
    }
    if (endIndex > value.length) {
        throw new StringIndexOutOfBoundsException(endIndex);
    }
    int subLen = endIndex - beginIndex;
    if (subLen < 0) {
        throw new StringIndexOutOfBoundsException(subLen);
    }
    return ((beginIndex == 0) && (endIndex == value.length)) ? this
            : new String(value, beginIndex, subLen);
}

复制代码    android {
      defaultConfig {
        vectorDrawables.useSupportLibrary = true
      }
    }

    dependencies {
      //需要 Android 支持库 23.2 或更高版本以及 Android Plugin for Gradle 2.0 或更高版本
      implementation 'com.android.support:appcompat-v7:23.2.0'
    }

复制代码<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24"
    android:tint="?attr/colorControlNormal">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M3,18h18v-2L3,16v2zM3,13h18v-2L3,11v2zM3,6v2h18L21,6L3,6z"/>
</vector>

复制代码<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24"
    android:tint="?attr/colorControlNormal">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M3,18 h18 v-2 L3,16 v2 z M3,13 h18 v-2 L3,11 v2 z M3,6 v2 h18 L21,6 L3,6 z"/>
</vector>

复制代码<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24">
    <path
        android:name="triangle"
        android:pathData="M3,18 h18 v-5 L3,13 v5 z "
        android:strokeWidth="1"
        android:strokeLineJoin="round"
        android:strokeAlpha="0.9"
        android:strokeColor="@color/white"
        android:trimPathStart="0.1"
        android:strokeLineCap="round"
        android:trimPathOffset="0.15"
      />
</vector>

复制代码<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24">

    <group
        android:name="triangleGroup"
        android:rotation="10"
        android:translateX="1"
        android:translateY="1"
        android:scaleX="0.5f"
        android:scaleY="0.5f"
        android:pivotX="0.5"
        android:pivotY="0.5">
        <path
            android:fillColor="@color/colorPrimary"
            android:pathData="M6,6 L9,12 H3 z"
            android:strokeWidth="0.5"
            android:strokeColor="@color/white"
            android:strokeLineJoin="round" />

        <path
            android:fillColor="@color/chart_color_1"
            android:pathData="M18,6 L21,12 H15 z"
            android:strokeWidth="0.5"
            android:strokeColor="@color/white"
            android:strokeLineJoin="bevel" />
        
    </group>
</vector>

复制代码<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="240dp"
    android:height="240dp"
    android:viewportWidth="24"
    android:viewportHeight="24">

    <path
        android:name="pathText"
        android:pathData="M9,6 L12,12 L15,6.5 18,12 21,6"
        android:strokeWidth="0.5"
        android:strokeColor="@color/white"
        android:strokeLineCap="round"
        android:strokeLineJoin="round" />
</vector>

复制代码<?xml version="1.0" encoding="utf-8"?>
<set
    xmlns:android="http://schemas.android.com/apk/res/android">

    <objectAnimator
        android:duration="2000"
        android:propertyName="trimPathEnd"
        android:valueFrom="0"
        android:valueTo="1"
        android:repeatMode="reverse"
        android:repeatCount="infinite"
        android:valueType="floatType" />
    //这里顺便操作矢量图的画笔颜色
    <objectAnimator
        android:duration="2000"
        android:propertyName="strokeColor"
        android:valueFrom="@color/white"
        android:repeatMode="reverse"
        android:repeatCount="infinite"
        android:valueTo="@android:color/holo_blue_dark"
        android:valueType="colorType" />

</set>

复制代码<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:drawable="@drawable/vector_text">
    <target
        android:name="pathText"
        android:animation="@animator/animator_text" />
</animated-vector>

复制代码    <ImageView
        android:id="@+id/iv"
        app:srcCompat="@drawable/vector_animator_text"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

复制代码    val animatable = iv.drawable as Animatable
    animatable.start()

复制代码<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="240dp"
    android:height="240dp"
    android:viewportWidth="24"
    android:viewportHeight="24">

    <path
        android:name="pathLine"
        android:pathData="M9,6 L12,6 L15,6 18,6 21,6"
        android:strokeWidth="0.5"
        android:strokeColor="@color/white"
        android:strokeLineCap="round"
        android:strokeLineJoin="round" />
</vector>

复制代码<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <objectAnimator
        android:duration="2000"
        android:propertyName="pathData"
        android:valueFrom="M9,6 L12,6 L15,6 18,6 21,6"
        android:valueTo="M9,6 L12,12 L15,6.5 18,12 21,6"
        android:valueType="pathType" />
</set>

复制代码<?xml version="1.0" encoding="utf-8"?>
<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:drawable="@drawable/vector_line">
    <target
        android:name="pathLine"
        android:animation="@animator/animator_morphing" />
</animated-vector>

复制代码    <ImageView
        android:id="@+id/iv"
        app:srcCompat="@drawable/vector_animator_line"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

复制代码    val animatable = iv.drawable as Animatable
    animatable.start()

复制代码<?xml version="1.0" encoding="utf-8"?>
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="300dp"
    android:height="300dp"
    android:viewportWidth="200"
    android:viewportHeight="200">

    <!--左车轮-->
    <group
        android:name="leftWheel"
        android:pivotX="40"
        android:pivotY="70">

        <path
            android:name="leftWheelAxle"
            android:pathData="M 40,70 L23,80M 40,70 L40,50 M 40,70 L57,80"
            android:strokeWidth="1"
            android:strokeColor="@color/white" />


        <path
            android:pathData="M 60,70 A 20,20,0,1,1,60,69 z"
            android:strokeWidth="1"
            android:strokeColor="@color/white" />

    </group>
    <!--右车轮-->
    <group
        android:name="rightWheel"
        android:pivotX="130"
        android:pivotY="70">

        <path
            android:name="rightWheelAxle"
            android:pathData="M 130,70 L113,80 M 130,70 L130,50 M 130,70 L147,80"
            android:strokeWidth="1"
            android:strokeColor="@color/white" />

        <path
            android:pathData="M 150,70 A 20,20,0,1,1,150,69 z"
            android:strokeWidth="1"
            android:strokeColor="@color/white" />
    </group>
    <!--车链盒子-->
    <path
        android:name="chainBox"
        android:fillColor="@color/colorPrimary"
        android:pathData="M 35,62 h54 v12 H35 z"
        android:strokeWidth="1"
        android:strokeColor="@color/white" />
    <!--车架-->
    <path
        android:pathData="M 50,69  L 65,40 L 80,69 M 86,65 L110,31
        v 20 L130,70  "
        android:strokeWidth="2"
        android:strokeColor="@color/colorPrimary"
        android:strokeLineJoin="round" />
    <!--前车轮挡板-->
    <path
        android:pathData="M105,73 A 20,20,0,1,1,125,85"
        android:strokeWidth="2"
        android:strokeColor="@color/colorPrimary"
        android:strokeLineJoin="round"
        android:trimPathEnd="0.4" />
    <!--车把-->
    <path
        android:pathData="M 110,31 V20 l -10,-4 h -3 M110,21  l -4,-10 h-3"
        android:strokeWidth="2"
        android:strokeColor="@color/white"
        android:strokeLineCap="round"
        android:strokeLineJoin="round" />
    <!--车篮-->
    <path
        android:fillColor="@color/white"
        android:pathData="M 111,41 h 21 v -12 H 111 z"
        android:strokeWidth="1"
        android:strokeColor="@color/white"
        android:strokeLineCap="square"
        android:strokeLineJoin="round" />
    <!--掘金LOGO-->
    <path
        android:fillColor="@color/colorPrimary"
        android:pathData="M 121,30 L122,31 L121,32 L120,31 z"
        android:strokeWidth="0.5"
        android:strokeColor="@color/colorPrimary"
        android:strokeLineCap="square"
        android:strokeLineJoin="miter" />
    <path
        android:pathData=" M119,33 L121,35,L123,33
          M118,34 L121,37,L124,34"
        android:strokeWidth="0.5"
        android:strokeColor="@color/colorPrimary"
        android:strokeLineCap="square"
        android:strokeLineJoin="miter" />
    <!--皮座-->
    <path
        android:fillColor="@color/white"
        android:pathData="M 55,40 h 20 v-4 H56 v-3h-2"
        android:strokeWidth="1"
        android:strokeColor="@color/white"
        android:strokeLineCap="square"
        android:strokeLineJoin="round" />
    <!--脚踏板-->
    <group
        android:name="pedal"
        android:pivotX="82"
        android:pivotY="68">
        <path
            android:pathData="M 82,68  L 98,80"
            android:strokeWidth="0.5"
            android:strokeColor="@color/white"
            android:strokeLineCap="round" />

        <path
            android:fillColor="@color/white"
            android:pathData="M 96,80 A 2,2,0,1,1,96,81 z"
            android:strokeWidth="1"
            android:strokeColor="@color/white" />
    </group>
</vector>

复制代码<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <objectAnimator
        android:interpolator="@android:interpolator/linear"
        android:propertyName="rotation"
        android:repeatCount="infinite"
        android:valueType="floatType"
        android:valueFrom="0f"
        android:valueTo="360f"
        android:repeatMode="restart"
        android:duration="2000"/>
        //可以再增加其他动画效果，例如颜色变化
</set>

复制代码<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
    android:propertyName="translationX"
    android:valueFrom="-600f"
    android:valueTo="900f"
    android:valueType="floatType"
    android:repeatCount="infinite"
    android:repeatMode="restart"
    android:duration="9000"
    android:interpolator="@android:interpolator/linear"
    />

复制代码<?xml version="1.0" encoding="utf-8"?>
<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:drawable="@drawable/vertor_bicycle">

    <target
        android:animation="@animator/animator_wheel"
        android:name="leftWheel"/>

    <target
        android:animation="@animator/animator_wheel"
        android:name="rightWheel"/>

    <target
    android:animation="@animator/animator_wheel"
    android:name="pedal"/>
</animated-vector>

复制代码<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:background="@color/black">

    <ImageView
        android:id="@+id/iv"
        app:srcCompat="@drawable/verctor_animator_bicycle"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <TextView
        android:id="@+id/btnStart"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="50dp"
        android:background="@color/white"
        android:padding="10dp"
        android:text="开始"
        android:textColor="@color/colorPrimary"
        android:textSize="16sp" />
</RelativeLayout>

复制代码    btnStart.setOnClickListener {
        val animatable = iv.drawable as Animatable
        animatable.start()
    }

复制代码    btnStart.setOnClickListener {
        val animatable = iv.drawable as Animatable
        animatable.start()

        val animator = AnimatorInflater.loadAnimator(this, R.animator.animator_bicycle_left_to_right)
        animator.setTarget(iv)
        animator.start()
    }

复制代码<!--JWT解析库-->
<dependency>
    <groupId>com.nimbusds</groupId>
    <artifactId>nimbus-jose-jwt</artifactId>
    <version>8.16</version>
</dependency>

复制代码/**
 * Created by macro on 2020/6/22.
 */
@Service
public class JwtTokenServiceImpl implements JwtTokenService {
    @Override
    public String generateTokenByHMAC(String payloadStr, String secret) throws JOSEException {
        //创建JWS头，设置签名算法和类型
        JWSHeader jwsHeader = new JWSHeader.Builder(JWSAlgorithm.HS256).
                type(JOSEObjectType.JWT)
                .build();
        //将负载信息封装到Payload中
        Payload payload = new Payload(payloadStr);
        //创建JWS对象
        JWSObject jwsObject = new JWSObject(jwsHeader, payload);
        //创建HMAC签名器
        JWSSigner jwsSigner = new MACSigner(secret);
        //签名
        jwsObject.sign(jwsSigner);
        return jwsObject.serialize();
    }

    @Override
    public PayloadDto verifyTokenByHMAC(String token, String secret) throws ParseException, JOSEException {
        //从token中解析JWS对象
        JWSObject jwsObject = JWSObject.parse(token);
        //创建HMAC验证器
        JWSVerifier jwsVerifier = new MACVerifier(secret);
        if (!jwsObject.verify(jwsVerifier)) {
            throw new JwtInvalidException("token签名不合法！");
        }
        String payload = jwsObject.getPayload().toString();
        PayloadDto payloadDto = JSONUtil.toBean(payload, PayloadDto.class);
        if (payloadDto.getExp() < new Date().getTime()) {
            throw new JwtExpiredException("token已过期！");
        }
        return payloadDto;
    }
}

复制代码/**
 * Created by macro on 2020/6/22.
 */
@Data
@EqualsAndHashCode(callSuper = false)
@Builder
public class PayloadDto {
    @ApiModelProperty("主题")
    private String sub;
    @ApiModelProperty("签发时间")
    private Long iat;
    @ApiModelProperty("过期时间")
    private Long exp;
    @ApiModelProperty("JWT的ID")
    private String jti;
    @ApiModelProperty("用户名称")
    private String username;
    @ApiModelProperty("用户拥有的权限")
    private List<String> authorities;
}

复制代码/**
 * Created by macro on 2020/6/22.
 */
@Service
public class JwtTokenServiceImpl implements JwtTokenService {
    @Override
    public PayloadDto getDefaultPayloadDto() {
        Date now = new Date();
        Date exp = DateUtil.offsetSecond(now, 60*60);
        return PayloadDto.builder()
                .sub("macro")
                .iat(now.getTime())
                .exp(exp.getTime())
                .jti(UUID.randomUUID().toString())
                .username("macro")
                .authorities(CollUtil.toList("ADMIN"))
                .build();
    }
}

复制代码/**
 * JWT令牌管理Controller
 * Created by macro on 2020/6/22.
 */
@Api(tags = "JwtTokenController", description = "JWT令牌管理")
@Controller
@RequestMapping("/token")
public class JwtTokenController {

    @Autowired
    private JwtTokenService jwtTokenService;

    @ApiOperation("使用对称加密（HMAC）算法生成token")
    @RequestMapping(value = "/hmac/generate", method = RequestMethod.GET)
    @ResponseBody
    public CommonResult generateTokenByHMAC() {
        try {
            PayloadDto payloadDto = jwtTokenService.getDefaultPayloadDto();
            String token = jwtTokenService.generateTokenByHMAC(JSONUtil.toJsonStr(payloadDto), SecureUtil.md5("test"));
            return CommonResult.success(token);
        } catch (JOSEException e) {
            e.printStackTrace();
        }
        return CommonResult.failed();
    }

    @ApiOperation("使用对称加密（HMAC）算法验证token")
    @RequestMapping(value = "/hmac/verify", method = RequestMethod.GET)
    @ResponseBody
    public CommonResult verifyTokenByHMAC(String token) {
        try {
            PayloadDto payloadDto  = jwtTokenService.verifyTokenByHMAC(token, SecureUtil.md5("test"));
            return CommonResult.success(payloadDto);
        } catch (ParseException | JOSEException e) {
            e.printStackTrace();
        }
        return CommonResult.failed();

    }
}

复制代码keytool -genkey -alias jwt -keyalg RSA -keystore jwt.jks

复制代码<!--Spring Security RSA工具类-->
<dependency>
    <groupId>org.springframework.security</groupId>
    <artifactId>spring-security-rsa</artifactId>
    <version>1.0.7.RELEASE</version>
</dependency>

复制代码/**
 * Created by macro on 2020/6/22.
 */
@Service
public class JwtTokenServiceImpl implements JwtTokenService {
    @Override
    public RSAKey getDefaultRSAKey() {
        //从classpath下获取RSA秘钥对
        KeyStoreKeyFactory keyStoreKeyFactory = new KeyStoreKeyFactory(new ClassPathResource("jwt.jks"), "123456".toCharArray());
        KeyPair keyPair = keyStoreKeyFactory.getKeyPair("jwt", "123456".toCharArray());
        //获取RSA公钥
        RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
        //获取RSA私钥
        RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
        return new RSAKey.Builder(publicKey).privateKey(privateKey).build();
    }
}

复制代码/**
 * JWT令牌管理Controller
 * Created by macro on 2020/6/22.
 */
@Api(tags = "JwtTokenController", description = "JWT令牌管理")
@Controller
@RequestMapping("/token")
public class JwtTokenController {

    @Autowired
    private JwtTokenService jwtTokenService;
    
    @ApiOperation("获取非对称加密（RSA）算法公钥")
    @RequestMapping(value = "/rsa/publicKey", method = RequestMethod.GET)
    @ResponseBody
    public Object getRSAPublicKey() {
        RSAKey key = jwtTokenService.getDefaultRSAKey();
        return new JWKSet(key).toJSONObject();
    }
}

复制代码/**
 * Created by macro on 2020/6/22.
 */
@Service
public class JwtTokenServiceImpl implements JwtTokenService {
    @Override
    public String generateTokenByRSA(String payloadStr, RSAKey rsaKey) throws JOSEException {
        //创建JWS头，设置签名算法和类型
        JWSHeader jwsHeader = new JWSHeader.Builder(JWSAlgorithm.RS256)
                .type(JOSEObjectType.JWT)
                .build();
        //将负载信息封装到Payload中
        Payload payload = new Payload(payloadStr);
        //创建JWS对象
        JWSObject jwsObject = new JWSObject(jwsHeader, payload);
        //创建RSA签名器
        JWSSigner jwsSigner = new RSASSASigner(rsaKey, true);
        //签名
        jwsObject.sign(jwsSigner);
        return jwsObject.serialize();
    }

    @Override
    public PayloadDto verifyTokenByRSA(String token, RSAKey rsaKey) throws ParseException, JOSEException {
        //从token中解析JWS对象
        JWSObject jwsObject = JWSObject.parse(token);
        RSAKey publicRsaKey = rsaKey.toPublicJWK();
        //使用RSA公钥创建RSA验证器
        JWSVerifier jwsVerifier = new RSASSAVerifier(publicRsaKey);
        if (!jwsObject.verify(jwsVerifier)) {
            throw new JwtInvalidException("token签名不合法！");
        }
        String payload = jwsObject.getPayload().toString();
        PayloadDto payloadDto = JSONUtil.toBean(payload, PayloadDto.class);
        if (payloadDto.getExp() < new Date().getTime()) {
            throw new JwtExpiredException("token已过期！");
        }
        return payloadDto;
    }
}

复制代码/**
 * JWT令牌管理Controller
 * Created by macro on 2020/6/22.
 */
@Api(tags = "JwtTokenController", description = "JWT令牌管理")
@Controller
@RequestMapping("/token")
public class JwtTokenController {

    @Autowired
    private JwtTokenService jwtTokenService;

    @ApiOperation("使用非对称加密（RSA）算法生成token")
    @RequestMapping(value = "/rsa/generate", method = RequestMethod.GET)
    @ResponseBody
    public CommonResult generateTokenByRSA() {
        try {
            PayloadDto payloadDto = jwtTokenService.getDefaultPayloadDto();
            String token = jwtTokenService.generateTokenByRSA(JSONUtil.toJsonStr(payloadDto),jwtTokenService.getDefaultRSAKey());
            return CommonResult.success(token);
        } catch (JOSEException e) {
            e.printStackTrace();
        }
        return CommonResult.failed();
    }

    @ApiOperation("使用非对称加密（RSA）算法验证token")
    @RequestMapping(value = "/rsa/verify", method = RequestMethod.GET)
    @ResponseBody
    public CommonResult verifyTokenByRSA(String token) {
        try {
            PayloadDto payloadDto  = jwtTokenService.verifyTokenByRSA(token, jwtTokenService.getDefaultRSAKey());
            return CommonResult.success(payloadDto);
        } catch (ParseException | JOSEException e) {
            e.printStackTrace();
        }
        return CommonResult.failed();
    }
}

java复制代码implementation "androidx.startup:startup-runtime:1.0.0-alpha01"

kotlin复制代码class InitializerA : Initializer<A> {

    //在此处完成组件的初始化，并返回初始化结果值
    override fun create(context: Context): A {
        return A.init(context)
    }

    //获取在初始化自身之前需要先初始化的 Initializer 列表
    //如果不需要依赖于其它组件，则可以返回一个空列表
    override fun dependencies(): List<Class<out Initializer<*>>> {
        return listOf(InitializerB::class.java)
    }

}

class InitializerB : Initializer<B> {

    override fun create(context: Context): B {
        return B.init(context)
    }

    override fun dependencies(): List<Class<out Initializer<*>>> {
        return listOf(InitializerC::class.java)
    }

}

class InitializerC : Initializer<C> {

    override fun create(context: Context): C {
        return C.init(context)
    }

    override fun dependencies(): List<Class<out Initializer<*>>> {
        return listOf()
    }

}

xml复制代码<provider
    android:name="androidx.startup.InitializationProvider"
    android:authorities="${applicationId}.androidx-startup"
    android:exported="false"
    tools:node="merge">
    <meta-data
        android:name="leavesc.lifecyclecore.core.InitializerA"
        android:value="androidx.startup" />
</provider>

kotlin复制代码val result = AppInitializer.getInstance(this).initializeComponent(InitializerA::class.java)

xml复制代码<provider
    android:name="androidx.startup.InitializationProvider"
    android:authorities="${applicationId}.androidx-startup"
    android:exported="false"
    tools:node="merge">
    <meta-data
        android:name="leavesc.lifecyclecore.mylibrary.TestIn"
        android:value="androidx.startup"
        tools:node="remove" />
</provider>

xml复制代码<provider
    android:name="androidx.startup.InitializationProvider"
    android:authorities="${applicationId}.androidx-startup"
    tools:node="remove" />

xml复制代码Errors found:

xxxx\leavesc\lifecyclecore\core\InitializerHodler.kt:52: Error: Every Initializer needs to be accompanied by a corresponding <meta-data> entry in the AndroidManifest.xml file. [Ensur
eInitializerMetadata]
  class InitializerB : Initializer<B> {
  ^

java复制代码public final class StartupLogger {

    private StartupLogger() {
        // Does nothing.
    }

    /
     * The log tag.
     */
    private static final String TAG = "StartupLogger";

    /
     * To enable logging set this to true.
     */
    static final boolean DEBUG = false;

    /
     * Info level logging.
     *
     * @param message The message being logged
     */
    public static void i(@NonNull String message) {
        Log.i(TAG, message);
    }

    /
     * Error level logging
     *
     * @param message   The message being logged
     * @param throwable The optional {@link Throwable} exception
     */
    public static void e(@NonNull String message, @Nullable Throwable throwable) {
        Log.e(TAG, message, throwable);
    }
}

java复制代码public final class StartupException extends RuntimeException {
    public StartupException(@NonNull String message) {
        super(message);
    }

    public StartupException(@NonNull Throwable throwable) {
        super(throwable);
    }

    public StartupException(@NonNull String message, @NonNull Throwable throwable) {
        super(message, throwable);
    }
}

java复制代码public interface Initializer<T> {

    /
     * Initializes and a component given the application {@link Context}
     * 
     * @param context The application context.
     */
    @NonNull
    T create(@NonNull Context context);

    /
     * @return A list of dependencies that this {@link Initializer} depends on. This is
     * used to determine initialization order of {@link Initializer}s.
     * <br/>
     * For e.g. if a {@link Initializer} `B` defines another
     * {@link Initializer} `A` as its dependency, then `A` gets initialized before `B`.
     */
    @NonNull
    List<Class<? extends Initializer<?>>> dependencies();
}

java复制代码public final class InitializationProvider extends ContentProvider {
    @Override
    public boolean onCreate() {
        Context context = getContext();
        if (context != null) {
            AppInitializer.getInstance(context).discoverAndInitialize();
        } else {
            throw new StartupException("Context cannot be null");
        }
        return true;
    }

    @Nullable
    @Override
    public Cursor query(
            @NonNull Uri uri,
            @Nullable String[] projection,
            @Nullable String selection,
            @Nullable String[] selectionArgs,
            @Nullable String sortOrder) {
        throw new IllegalStateException("Not allowed.");
    }

    @Nullable
    @Override
    public String getType(@NonNull Uri uri) {
        throw new IllegalStateException("Not allowed.");
    }

    @Nullable
    @Override
    public Uri insert(@NonNull Uri uri, @Nullable ContentValues values) {
        throw new IllegalStateException("Not allowed.");
    }

    @Override
    public int delete(
            @NonNull Uri uri,
            @Nullable String selection,
            @Nullable String[] selectionArgs) {
        throw new IllegalStateException("Not allowed.");
    }

    @Override
    public int update(
            @NonNull Uri uri,
            @Nullable ContentValues values,
            @Nullable String selection,
            @Nullable String[] selectionArgs) {
        throw new IllegalStateException("Not allowed.");
    }
}

java复制代码public final class AppInitializer {

    /
     * 唯一的静态实例
     * The {@link AppInitializer} instance.
     */
    private static AppInitializer sInstance;

    /
     * 同步锁
     * Guards app initialization.
     */
    private static final Object sLock = new Object();

    //用于存储所有已进行初始化了的 Initializer 及对应的初始化结果
    @NonNull
    final Map<Class<?>, Object> mInitialized;

    @NonNull
    final Context mContext;

    /
     * Creates an instance of {@link AppInitializer}
     *
     * @param context The application context
     */
    AppInitializer(@NonNull Context context) {
        mContext = context.getApplicationContext();
        mInitialized = new HashMap<>();
    }

    /
     * @param context The Application {@link Context}
     * @return The instance of {@link AppInitializer} after initialization.
     */
    @NonNull
    @SuppressWarnings("UnusedReturnValue")
    public static AppInitializer getInstance(@NonNull Context context) {
        synchronized (sLock) {
            if (sInstance == null) {
                sInstance = new AppInitializer(context);
            }
            return sInstance;
        }
    }
    
    ···
    
}

java复制代码@SuppressWarnings("unchecked")
void discoverAndInitialize() {
    try {
        Trace.beginSection(SECTION_NAME);

        //获取 InitializationProvider 包含的所有 metadata
        ComponentName provider = new ComponentName(mContext.getPackageName(),
                InitializationProvider.class.getName());
        ProviderInfo providerInfo = mContext.getPackageManager()
                .getProviderInfo(provider, GET_META_DATA);
        Bundle metadata = providerInfo.metaData;

        //获取到字符串 androidx.startup
        //因为 Startup 是以该字符串作为 metaData 的固定 value 来进行遍历的
        //所以如果在 AndroidManifest 文件中声明了不同 value 则不会被初始化
        String startup = mContext.getString(R.string.androidx_startup);

        if (metadata != null) {
            //用于标记正在准备进行初始化的 Initializer
            //用于判断是否存在循环依赖的情况
            Set<Class<?>> initializing = new HashSet<>();
            Set<String> keys = metadata.keySet();
            for (String key : keys) {
                String value = metadata.getString(key, null);
                if (startup.equals(value)) {
                    Class<?> clazz = Class.forName(key);
                    //确保 metaData 声明的包名路径指向的是 Initializer 的实现类
                    if (Initializer.class.isAssignableFrom(clazz)) {
                        Class<? extends Initializer<?>> component =
                                (Class<? extends Initializer<?>>) clazz;
                        if (StartupLogger.DEBUG) {
                            StartupLogger.i(String.format("Discovered %s", key));
                        }
                        //进行实际的初始化过程
                        doInitialize(component, initializing);
                    }
                }
            }
        }
    } catch (PackageManager.NameNotFoundException | ClassNotFoundException exception) {
        throw new StartupException(exception);
    } finally {
        Trace.endSection();
    }
}

java复制代码@NonNull
@SuppressWarnings({"unchecked", "TypeParameterUnusedInFormals"})
<T> T doInitialize(
        @NonNull Class<? extends Initializer<?>> component,
        @NonNull Set<Class<?>> initializing) {
    synchronized (sLock) {
        boolean isTracingEnabled = Trace.isEnabled();
        try {
            if (isTracingEnabled) {
                // Use the simpleName here because section names would get too big otherwise.
                Trace.beginSection(component.getSimpleName());
            }
            if (initializing.contains(component)) {
                //initializing 包含 component，说明 Initializer 之间存在循环依赖
                //直接抛出异常
                String message = String.format(
                        "Cannot initialize %s. Cycle detected.", component.getName()
                );
                throw new IllegalStateException(message);
            }
            Object result;
            if (!mInitialized.containsKey(component)) {
                //如果 mInitialized 不包含 component
                //说明 component 指向的 Initializer 还未进行初始化
                initializing.add(component);
                try {
                    //通过反射调用 component 的无参构造方法并初始化
                    Object instance = component.getDeclaredConstructor().newInstance();
                    Initializer<?> initializer = (Initializer<?>) instance;
                    //获取 initializer 的依赖项
                    List<Class<? extends Initializer<?>>> dependencies =
                            initializer.dependencies();

                    //如果 initializer 的依赖项 dependencies 不为空
                    //则遍历 dependencies 每个 item 进行初始化
                    if (!dependencies.isEmpty()) {
                        for (Class<? extends Initializer<?>> clazz : dependencies) {
                            if (!mInitialized.containsKey(clazz)) {
                                doInitialize(clazz, initializing);
                            }
                        }
                    }
                    if (StartupLogger.DEBUG) {
                        StartupLogger.i(String.format("Initializing %s", component.getName()));
                    }
                    //进行初始化
                    result = initializer.create(mContext);
                    if (StartupLogger.DEBUG) {
                        StartupLogger.i(String.format("Initialized %s", component.getName()));
                    }
                    //将已经进行初始化的 component 从 initializing 中移除掉
                    //避免误判循环依赖
                    initializing.remove(component);
                    //将初始化结果保存起来
                    mInitialized.put(component, result);
                } catch (Throwable throwable) {
                    throw new StartupException(throwable);
                }
            } else {
                //component 指向的 Initializer 已经进行初始化
                //此处直接获取缓存值直接返回即可
                result = mInitialized.get(component);
            }
            return (T) result;
        } finally {
            Trace.endSection();
        }
    }
}

sql复制代码select * from author where name like '%鲁迅%'.

json复制代码{
   "_id": 3,
   “_type”: [“your index type”],
   “_index”: [“your index name”],
   "_source":{
   "age": 28,
   "name": ["daniel”],
   "year":1989,
}
}

复制代码public class FilterSecurityInterceptor extends AbstractSecurityInterceptor implements
  Filter {

            public void doFilter(ServletRequest request, ServletResponse response,
                    FilterChain chain) throws IOException, ServletException {
                FilterInvocation fi = new FilterInvocation(request, response, chain);
                invoke(fi);
            }
}

复制代码public void invoke(FilterInvocation fi) throws IOException, ServletException {
        if ((fi.getRequest() != null)
                && (fi.getRequest().getAttribute(FILTER_APPLIED) != null)
                && observeOncePerRequest) {
            // filter already applied to this request and user wants us to observe
            // once-per-request handling, so don't re-do security checking
            fi.getChain().doFilter(fi.getRequest(), fi.getResponse());
        }
        else {
            // first time this request being called, so perform security checking
            if (fi.getRequest() != null && observeOncePerRequest) {
                fi.getRequest().setAttribute(FILTER_APPLIED, Boolean.TRUE);
            }

            // 进入鉴权
            InterceptorStatusToken token = super.beforeInvocation(fi);

            try {
                fi.getChain().doFilter(fi.getRequest(), fi.getResponse());
            }
            finally {
                super.finallyInvocation(token);
            }

            super.afterInvocation(token, null);
        }
    }

复制代码protected InterceptorStatusToken beforeInvocation(Object object) {
        Assert.notNull(object, "Object was null");
        final boolean debug = logger.isDebugEnabled();

        if (!getSecureObjectClass().isAssignableFrom(object.getClass())) {
            throw new IllegalArgumentException(
                    "Security invocation attempted for object "
                            + object.getClass().getName()
                            + " but AbstractSecurityInterceptor only configured to support secure objects of type: "
                            + getSecureObjectClass());
        }

        Collection<ConfigAttribute> attributes = this.obtainSecurityMetadataSource()
                .getAttributes(object);

        Authentication authenticated = authenticateIfRequired();

        try {
            // 鉴权需要调用的接口
            this.accessDecisionManager.decide(authenticated, object, attributes);
        }
        catch (AccessDeniedException accessDeniedException) {
            publishEvent(new AuthorizationFailureEvent(object, attributes, authenticated,
                    accessDeniedException));

            throw accessDeniedException;
        }

    }

复制代码public interface AccessDecisionManager {

    // 主要鉴权方法
    void decide(Authentication authentication, Object object,
                Collection<ConfigAttribute> configAttributes) throws AccessDeniedException,
            InsufficientAuthenticationException;

    boolean supports(ConfigAttribute attribute);

    boolean supports(Class<?> clazz);
}

复制代码public class AffirmativeBased extends AbstractAccessDecisionManager {

    public AffirmativeBased(List<AccessDecisionVoter<?>> decisionVoters) {
        super(decisionVoters);
    }

    // 拿到所有的投票器，循环遍历进行投票
    public void decide(Authentication authentication, Object object,
                       Collection<ConfigAttribute> configAttributes) throws AccessDeniedException {
        int deny = 0;

        for (AccessDecisionVoter voter : getDecisionVoters()) {
            int result = voter.vote(authentication, object, configAttributes);

            if (logger.isDebugEnabled()) {
                logger.debug("Voter: " + voter + ", returned: " + result);
            }

            switch (result) {
                case AccessDecisionVoter.ACCESS_GRANTED:
                    return;

                case AccessDecisionVoter.ACCESS_DENIED:
                    deny++;

                    break;

                default:
                    break;
            }
        }

        if (deny > 0) {
            throw new AccessDeniedException(messages.getMessage(
                    "AbstractAccessDecisionManager.accessDenied", "Access is denied"));
        }

        // To get this far, every AccessDecisionVoter abstained
        checkAllowIfAllAbstainDecisions();
    }
}

复制代码@Bean
    public AccessDecisionVoter<FilterInvocation> accessDecisionProcessor() {
        return new AccessDecisionProcessor();
    }

@Bean
    public AccessDecisionManager accessDecisionManager() {
        // 构造一个新的AccessDecisionManager 放入两个投票器
        List<AccessDecisionVoter<?>> decisionVoters = Arrays.asList(new WebExpressionVoter(), accessDecisionProcessor());
        return new UnanimousBased(decisionVoters);
    }