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JDK8/Java8源码在线阅读 / java / security / cert / CertStoreParameters.java
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 * accompanied this code).
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package java.security.cert;

/**
 * A specification of {@code CertStore} parameters.
 * <p>
 * The purpose of this interface is to group (and provide type safety for)
 * all {@code CertStore} parameter specifications. All
 * {@code CertStore} parameter specifications must implement this
 * interface.
 * <p>
 * Typically, a {@code CertStoreParameters} object is passed as a parameter
 * to one of the {@link CertStore#getInstance CertStore.getInstance} methods.
 * The {@code getInstance} method returns a {@code CertStore} that
 * is used for retrieving {@code Certificate}s and {@code CRL}s. The
 * {@code CertStore} that is returned is initialized with the specified
 * parameters. The type of parameters needed may vary between different types
 * of {@code CertStore}s.
 *
 * @see CertStore#getInstance
 *
 * @since       1.4
 * @author      Steve Hanna
 */
public interface CertStoreParameters extends Cloneable {

    /**
     * Makes a copy of this {@code CertStoreParameters}.
     * <p>
     * The precise meaning of "copy" may depend on the class of
     * the {@code CertStoreParameters} object. A typical implementation
     * performs a "deep copy" of this object, but this is not an absolute
     * requirement. Some implementations may perform a "shallow copy" of some
     * or all of the fields of this object.
     * <p>
     * Note that the {@code CertStore.getInstance} methods make a copy
     * of the specified {@code CertStoreParameters}. A deep copy
     * implementation of {@code clone} is safer and more robust, as it
     * prevents the caller from corrupting a shared {@code CertStore} by
     * subsequently modifying the contents of its initialization parameters.
     * However, a shallow copy implementation of {@code clone} is more
     * appropriate for applications that need to hold a reference to a
     * parameter contained in the {@code CertStoreParameters}. For example,
     * a shallow copy clone allows an application to release the resources of
     * a particular {@code CertStore} initialization parameter immediately,

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