Package org.springframework.expression

Examples of org.springframework.expression.EvaluationContext

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  }

  public boolean isWritableProperty(String name, ExpressionState state) throws SpelEvaluationException {
    Object contextObject = state.getActiveContextObject().getValue();
//    TypeDescriptor td = state.getActiveContextObject().getTypeDescriptor();
    EvaluationContext eContext = state.getEvaluationContext();

    List<PropertyAccessor> resolversToTry = getPropertyAccessorsToTry(getObjectClass(contextObject),state);

    if (resolversToTry != null) {
      for (PropertyAccessor pfResolver : resolversToTry) {
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   * @throws SpelEvaluationException if there is a problem locating the constructor
   */
  private ConstructorExecutor findExecutorForConstructor(
      String typename, Class<?>[] argumentTypes, ExpressionState state) throws SpelEvaluationException {

    EvaluationContext eContext = state.getEvaluationContext();
    List<ConstructorResolver> cResolvers = eContext.getConstructorResolvers();
    if (cResolvers != null) {
      for (ConstructorResolver ctorResolver : cResolvers) {
        try {
          ConstructorExecutor cEx = ctorResolver.resolve(state.getEvaluationContext(), typename,
              argumentTypes);
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    public boolean supports(Class<?> clazz) {
        return true;
    }

    public int vote(Authentication authentication, State object, Collection<ConfigAttribute> attributes) {
        EvaluationContext ctx = expressionHandler.createEvaluationContext(authentication, object);
        ExpressionParser parser = new SpelExpressionParser();
        Expression exp = parser.parseExpression(attributes.iterator().next().getAttribute());
        return ExpressionUtils.evaluateAsBoolean(exp, ctx) ? ACCESS_GRANTED : ACCESS_DENIED;
    }
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    }

    public <T> T evaluate(Exchange exchange, Class<T> tClass) {
        try {
            Expression expression = parseExpression();
            EvaluationContext evaluationContext = createEvaluationContext(exchange);
            Object value = expression.getValue(evaluationContext);
            // Let Camel handle the type conversion
            return exchange.getContext().getTypeConverter().convertTo(tClass, value);
        } catch (Exception e) {
            throw new ExpressionEvaluationException(this, exchange, e);
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    }

    public <T> T evaluate(Exchange exchange, Class<T> tClass) {
        try {
            Expression expression = parseExpression();
            EvaluationContext evaluationContext = createEvaluationContext(exchange);
            Object value = expression.getValue(evaluationContext);
            // Let Camel handle the type conversion
            return exchange.getContext().getTypeConverter().convertTo(tClass, value);
        } catch (Exception e) {
            throw new ExpressionEvaluationException(this, exchange, e);
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    OAuth2Request clientAuthentication = request.createOAuth2Request();
    Authentication userAuthentication = new UsernamePasswordAuthenticationToken("user", "pass",
        AuthorityUtils.createAuthorityList("ROLE_USER"));
    OAuth2Authentication oAuth2Authentication = new OAuth2Authentication(clientAuthentication, userAuthentication);
    FilterInvocation invocation = new FilterInvocation("/foo", "GET");
    EvaluationContext context = handler.createEvaluationContext(oAuth2Authentication, invocation);
    Expression expression = handler.getExpressionParser().parseExpression(
        "#oauth2.hasAnyScope('write') or #oauth2.isUser()");
    assertTrue((Boolean) expression.getValue(context));
  }
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    Authentication userAuthentication = new UsernamePasswordAuthenticationToken("user", "pass",
        AuthorityUtils.createAuthorityList("ROLE_USER"));
    OAuth2Authentication oAuth2Authentication = new OAuth2Authentication(clientAuthentication, userAuthentication);
    MethodInvocation invocation = new SimpleMethodInvocation(this, ReflectionUtils.findMethod(getClass(),
        "testOauthClient"));
    EvaluationContext context = handler.createEvaluationContext(oAuth2Authentication, invocation);
    Expression expression = handler.getExpressionParser().parseExpression(
        "#oauth2.hasAnyScope('write') or #oauth2.isUser()");
    assertTrue((Boolean) expression.getValue(context));
  }
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    Authentication userAuthentication = new UsernamePasswordAuthenticationToken("user", "pass",
        AuthorityUtils.createAuthorityList("ROLE_USER"));
    OAuth2Authentication oAuth2Authentication = new OAuth2Authentication(clientAuthentication, userAuthentication);
    MethodInvocation invocation = new SimpleMethodInvocation(this, ReflectionUtils.findMethod(getClass(),
        "testOauthClient"));
    EvaluationContext context = handler.createEvaluationContext(oAuth2Authentication, invocation);
    Expression expression = handler.getExpressionParser().parseExpression("#oauth2.hasAnyScope('write')");
    expression.getValue(context);
  }
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            request.getResponseTypes(), request.getExtensions());

    OAuth2Authentication oAuth2Authentication = new OAuth2Authentication(clientAuthentication, userAuthentication);
    MethodInvocation invocation = new SimpleMethodInvocation(this, ReflectionUtils.findMethod(getClass(),
        "testOauthClient"));
    EvaluationContext context = handler.createEvaluationContext(oAuth2Authentication, invocation);
    Expression expression = handler.getExpressionParser()
        .parseExpression("#oauth2.clientHasAnyRole('ROLE_CLIENT')");
    assertTrue((Boolean) expression.getValue(context));
  }
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    Authentication userAuthentication = null;
    OAuth2Authentication oAuth2Authentication = new OAuth2Authentication(clientAuthentication, userAuthentication);
    MethodInvocation invocation = new SimpleMethodInvocation(this, ReflectionUtils.findMethod(getClass(),
        "testOauthClient"));
    EvaluationContext context = handler.createEvaluationContext(oAuth2Authentication, invocation);
    Expression expression = handler.getExpressionParser().parseExpression("#oauth2.hasAnyScope('read','write')");
    assertTrue((Boolean) expression.getValue(context));
  }
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