com.github.scribejava.apis.google.GoogleJsonTokenExtractor Maven / Gradle / Ivy

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package com.github.scribejava.apis.google;

import com.github.scribejava.core.extractors.OAuth2AccessTokenJsonExtractor;
import com.github.scribejava.core.model.OAuth2AccessToken;

/**
 * additionally parses OpenID id_token
 */
public class GoogleJsonTokenExtractor extends OAuth2AccessTokenJsonExtractor {

    private static final String ID_TOKEN_REGEX = "\"id_token\"\\s*:\\s*\"(\\S*?)\"";

    protected GoogleJsonTokenExtractor() {
    }

    private static class InstanceHolder {

        private static final GoogleJsonTokenExtractor INSTANCE = new GoogleJsonTokenExtractor();
    }

    public static GoogleJsonTokenExtractor instance() {
        return InstanceHolder.INSTANCE;
    }

    @Override
    protected OAuth2AccessToken createToken(String accessToken, String tokenType, Integer expiresIn,
            String refreshToken, String scope, String response) {
        return new GoogleToken(accessToken, tokenType, expiresIn, refreshToken, scope,
                extractParameter(response, ID_TOKEN_REGEX, false), response);
    }
}