com.sap.cloud.security.token.GrantType Maven / Gradle / Ivy

package com.sap.cloud.security.token;

import javax.annotation.Nullable;

/**
 * Constants denoting the grant type of a Jwt access token as specified here:
 * https://tools.ietf.org/html/rfc6749
 */
public enum GrantType {
	CLIENT_CREDENTIALS("client_credentials"), USER_TOKEN("user_token"), REFRESH_TOKEN("refresh_token"), PASSWORD(
			"password"), JWT_BEARER("urn:ietf:params:oauth:grant-type:jwt-bearer"), SAML2_BEARER(
					"urn:ietf:params:oauth:grant-type:saml2-bearer"), CLIENT_X509(
							"client_x509"), AUTHORIZATION_CODE("authorization_code");

	private String claimName;

	GrantType(String claimName) {
		this.claimName = claimName;
	}

	@Override
	public String toString() {
		return claimName;
	}

	@Nullable
	public static GrantType from(String claimName) {
		for (GrantType grantType : values()) {
			if (grantType.claimName.equals(claimName)) {
				return grantType;
			}
		}
		return null;
	}

}