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package javax.net.ssl;

import java.util.*;

import java.security.KeyStore.*;

A parameters object for X509KeyManagers that encapsulates a List
of KeyStore.Builders.
Author:
 Andreas Sterbenz
See Also:
Builder
X509KeyManager
Since:
  1.5/**
 * A parameters object for X509KeyManagers that encapsulates a List
 * of KeyStore.Builders.
 *
 * @see java.security.KeyStore.Builder
 * @see X509KeyManager
 *
 * @author  Andreas Sterbenz
 * @since   1.5
 */
public class KeyStoreBuilderParameters implements ManagerFactoryParameters {

    private final List<Builder> parameters;

    
Construct new KeyStoreBuilderParameters from the specified Builder. 
Params:
builder – the Builder object
Throws:
NullPointerException – if builder is null/**
     * Construct new KeyStoreBuilderParameters from the specified
     * {@linkplain java.security.KeyStore.Builder}.
     *
     * @param builder the Builder object
     * @exception NullPointerException if builder is null
     */
    public KeyStoreBuilderParameters(Builder builder) {
        parameters = Collections.singletonList(Objects.requireNonNull(builder));
    }

    
Construct new KeyStoreBuilderParameters from a List of Builders. Note that the list is cloned to protect against subsequent modification. 
Params:
parameters – the List of Builder objects
Throws:
NullPointerException – if parameters is null
IllegalArgumentException – if parameters is an empty list/**
     * Construct new KeyStoreBuilderParameters from a List
     * of {@linkplain java.security.KeyStore.Builder}s. Note that the list
     * is cloned to protect against subsequent modification.
     *
     * @param parameters the List of Builder objects
     * @exception NullPointerException if parameters is null
     * @exception IllegalArgumentException if parameters is an empty list
     */
    public KeyStoreBuilderParameters(List<Builder> parameters) {
        if (parameters.isEmpty()) {
            throw new IllegalArgumentException();
        }

        this.parameters = Collections.unmodifiableList(
            new ArrayList<Builder>(parameters));
    }

    
Return the unmodifiable List of the Builders encapsulated by this object. 
Returns:
the unmodifiable List of the Builders encapsulated by this object./**
     * Return the unmodifiable List of the
     * {@linkplain java.security.KeyStore.Builder}s
     * encapsulated by this object.
     *
     * @return the unmodifiable List of the
     * {@linkplain java.security.KeyStore.Builder}s
     * encapsulated by this object.
     */
    public List<Builder> getParameters() {
        return parameters;
    }

}