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package org.apache.http.client;

import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;

Abstract credentials provider that maintains a collection of user
credentials.

Implementations of this interface must be thread-safe. Access to shared
data must be synchronized as methods of this interface may be executed
from multiple threads.
Since:
4.0/**
 * Abstract credentials provider that maintains a collection of user
 * credentials.
 * <p>
 * Implementations of this interface must be thread-safe. Access to shared
 * data must be synchronized as methods of this interface may be executed
 * from multiple threads.
 *
 * @since 4.0
 */
public interface CredentialsProvider {

    
Sets the credentials for the given authentication scope. Any previous credentials for the given scope will be overwritten. 
Params:
authscope – the authentication scope
credentials – the authentication credentials for the given scope.
See Also:
getCredentials(AuthScope)/**
     * Sets the {@link Credentials credentials} for the given authentication
     * scope. Any previous credentials for the given scope will be overwritten.
     *
     * @param authscope the {@link AuthScope authentication scope}
     * @param credentials the authentication {@link Credentials credentials}
     * for the given scope.
     *
     * @see #getCredentials(AuthScope)
     */
    void setCredentials(AuthScope authscope, Credentials credentials);

    
Get the credentials for the given authentication scope. 
Params:
authscope – the authentication scope
See Also:
setCredentials(AuthScope, Credentials)
Returns:
the credentials/**
     * Get the {@link Credentials credentials} for the given authentication scope.
     *
     * @param authscope the {@link AuthScope authentication scope}
     * @return the credentials
     *
     * @see #setCredentials(AuthScope, Credentials)
     */
    Credentials getCredentials(AuthScope authscope);

    
Clears all credentials.
/**
     * Clears all credentials.
     */
    void clear();

}