import org.springframework.security.oauth2.client.token.grant.implicit.ImplicitAccessTokenProvider; //导入依赖的package包/类
public MyOAuth2RestTemplate(OAuth2ProtectedResourceDetails resource, OAuth2ClientContext context) {
    super(resource, context);
    this.accessTokenProvider = new MyAccessTokenProviderChain(Arrays.asList(new AccessTokenProvider[]{new MyAuthorizationCodeAccessTokenProvider(),
            new ImplicitAccessTokenProvider(),
            new ResourceOwnerPasswordAccessTokenProvider(),
            new ClientCredentialsAccessTokenProvider()}));
    this.retryBadAccessTokens = true;
    this.authenticator = new DefaultOAuth2RequestAuthenticator();
    if(resource == null) {
        throw new IllegalArgumentException("An OAuth2 resource must be supplied.");
    } else {
        this.resource = resource;
        this.context = context;
        this.setErrorHandler(new OAuth2ErrorHandler(resource));
    }
}
 

import org.springframework.security.oauth2.client.token.grant.implicit.ImplicitAccessTokenProvider; //导入依赖的package包/类
@Test
@OAuth2ContextConfiguration(resource = AutoApproveImplicit.class, initialize = false)
public void testPostForAutomaticApprovalToken() throws Exception {
	final ImplicitAccessTokenProvider implicitProvider = new ImplicitAccessTokenProvider();
	implicitProvider.setInterceptors(Arrays
			.<ClientHttpRequestInterceptor> asList(new ClientHttpRequestInterceptor() {
				public ClientHttpResponse intercept(HttpRequest request, byte[] body,
						ClientHttpRequestExecution execution) throws IOException {
					ClientHttpResponse result = execution.execute(request, body);
					latestHeaders = result.getHeaders();
					return result;
				}
			}));
	context.setAccessTokenProvider(implicitProvider);
	context.getAccessTokenRequest().setCookie(cookie);
	assertNotNull(context.getAccessToken());
	assertTrue("Wrong location header: " + latestHeaders.getLocation().getFragment(), latestHeaders.getLocation().getFragment()
			.contains("scope=read write trust"));
}
 

import org.springframework.security.oauth2.client.token.grant.implicit.ImplicitAccessTokenProvider; //导入依赖的package包/类
public FeignOAuthInterceptor(OAuth2ClientContext oAuth2ClientContext) {
	super(oAuth2ClientContext, null);
	this.oAuth2ClientContext = oAuth2ClientContext;
	this.accessTokenProvider = new AccessTokenProviderChain(Arrays.asList(new AuthorizationCodeAccessTokenProvider(),
			new ImplicitAccessTokenProvider(), new ResourceOwnerPasswordAccessTokenProvider(),
			new ClientCredentialsAccessTokenProvider()));
}
 

import org.springframework.security.oauth2.client.token.grant.implicit.ImplicitAccessTokenProvider; //导入依赖的package包/类
@Bean
public AccessTokenProvider accessTokenProviderChain() {
    return new AccessTokenProviderChain(Arrays.<AccessTokenProvider> asList(
        new OpenIDTokenProvider(),
        new AuthorizationCodeAccessTokenProvider(), new ImplicitAccessTokenProvider(),
        new ResourceOwnerPasswordAccessTokenProvider(), new ClientCredentialsAccessTokenProvider()));
}