# CORS (Cross-Origin Resource Sharing)

<a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS" class="external-link" target="_blank">Понятие CORS или "Cross-Origin Resource Sharing"</a> относится к ситуациям, при которых запущенный в браузере фронтенд содержит JavaScript-код, который взаимодействует с бэкендом, находящимся на другом "источнике" ("origin").

## Источник

import org.codelibs.core.text.DecimalFormatSymbolsUtil;

/**
 * {@link Number}用の変換ユーティリティです。
 *
 * @author higa
 */
public abstract class NumberConversionUtil {

    /**
     * 適切な {@link Number}に変換します。
     *
     * @param type
     *            変換先の型
     * @param o
     *            変換元のオブジェクト
     * @return {@literal type}に変換された{@link Number}
     */

    Map<K, V> map = new LinkedHashMap<>();
    for (Entry<K, V> entry : entries) {
      map.put(entry.getKey(), entry.getValue());
    }
    getMap().putAll(map);
  }

  /**
   * Returns the {@link Method} instance for {@link #testPutAll_nullKeyUnsupported()} so that tests
   * can suppress it with {@code FeatureSpecificTestSuiteBuilder.suppressing()} until <a

import java.util.concurrent.TimeoutException;
import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Abstract test case parent for anything implementing {@link ListenableFuture}. Tests the two get
 * methods and the addListener method.
 *
 * @author Sven Mawson
 * @since 10.0
 */
@GwtIncompatible
public abstract class AbstractListenableFutureTest extends TestCase {

import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import javax.annotation.CheckForNull;

/**
 * Standard implementation of {@link ValueGraph} that supports the options supplied by {@link
 * AbstractGraphBuilder}.
 *
 * <p>This class maintains a map of nodes to {@link GraphConnections}.
 *
 * <p>Collection-returning accessors return unmodifiable views: the view returned will reflect

import java.util.Map;
import java.util.Properties;
import java.util.stream.Collectors;

/**
 * Describes the environmental context used to determine the activation status of profiles.
 *
 * @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class DefaultProfileActivationContext implements ProfileActivationContext {

     * environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    Properties getSystemProperties();

    /**
     * Sets the system properties to use for interpolation. The system properties are collected from the runtime
     * environment like {@link System#getProperties()} and environment variables.
     *

import static org.codelibs.core.collection.ArrayUtil.asArray;

import java.io.IOException;

/**
 * {@link IOException}をラップする例外です。
 *
 * @author higa
 */
public class IORuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = 1533554330702215389L;

    /**
     * {@link IORuntimeException}を作成します。
     *
     * @param cause
     *            原因となった例外
     */

import static org.codelibs.core.collection.ArrayUtil.asArray;

import javax.naming.NamingException;

/**
 * {@link NamingException}をラップする例外です。
 *
 * @author higa
 */
public class NamingRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = -3176447530746274091L;

    /**
     * {@link NamingRuntimeException}を作成します。
     *
     * @param cause
     *            原因となった例外
     */

import javax.crypto.NoSuchPaddingException;

/**
 * {@link NoSuchPaddingException}をラップする例外です。
 *
 * @author shinsuke
 */
public class NoSuchPaddingRuntimeException extends ClRuntimeException {

    private static final long serialVersionUID = -3176447530746274091L;

    /**
     * {@link NoSuchPaddingException}を作成します。
     *
     * @param cause
     *            原因となった例外
     */