Example usage for com.google.gson JsonElement isJsonNull

Introduction

In this page you can find the example usage for com.google.gson JsonElement isJsonNull.

Prototype

public boolean isJsonNull() 

Source Link

Document

provides check for verifying if this element represents a null value or not.

Usage

From source file:com.googlesource.gerrit.plugins.oauth.AirVantageOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
    Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());
    service.signRequest(t, request);/*from   w  ww  .j  ava  2  s .  co  m*/
    Response response = request.send();
    if (response.getCode() != SC_OK) {
        throw new IOException(String.format("Status %s (%s) for request %s", response.getCode(),
                response.getBody(), request.getUrl()));
    }
    JsonElement userJson = JSON.newGson().fromJson(response.getBody(), JsonElement.class);
    if (log.isDebugEnabled()) {
        log.debug("User info response: {}", response.getBody());
    }
    if (userJson.isJsonObject()) {
        JsonObject jsonObject = userJson.getAsJsonObject();
        JsonElement id = jsonObject.get("uid");
        if (id == null || id.isJsonNull()) {
            throw new IOException("Response doesn't contain uid field");
        }
        JsonElement email = jsonObject.get("email");
        JsonElement name = jsonObject.get("name");
        return new OAuthUserInfo(AV_PROVIDER_PREFIX + id.getAsString(), null, email.getAsString(),
                name.getAsString(), id.getAsString());
    }

    throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", userJson));
}

---

From source file:com.googlesource.gerrit.plugins.oauth.BitbucketOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
    Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());
    service.signRequest(t, request);//from   w w  w.  ja  va 2 s.co  m
    Response response = request.send();
    if (response.getCode() != SC_OK) {
        throw new IOException(String.format("Status %s (%s) for request %s", response.getCode(),
                response.getBody(), request.getUrl()));
    }
    JsonElement userJson = JSON.newGson().fromJson(response.getBody(), JsonElement.class);
    if (log.isDebugEnabled()) {
        log.debug("User info response: {}", response.getBody());
    }
    if (userJson.isJsonObject()) {
        JsonObject jsonObject = userJson.getAsJsonObject();
        JsonObject userObject = jsonObject.getAsJsonObject("user");
        if (userObject == null || userObject.isJsonNull()) {
            throw new IOException("Response doesn't contain 'user' field");
        }
        JsonElement usernameElement = userObject.get("username");
        String username = usernameElement.getAsString();

        JsonElement displayName = jsonObject.get("display_name");
        return new OAuthUserInfo(username, username, null,
                displayName == null || displayName.isJsonNull() ? null : displayName.getAsString(), null);
    } else {
        throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", userJson));
    }
}

---

From source file:com.googlesource.gerrit.plugins.oauth.CasOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    final String protectedResourceUrl = String.format(PROTECTED_RESOURCE_URL, rootUrl);
    OAuthRequest request = new OAuthRequest(Verb.GET, protectedResourceUrl);
    Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());
    service.signRequest(t, request);//  w ww  .  j a  va  2  s .  c  om

    Response response = request.send();
    if (response.getCode() != HttpServletResponse.SC_OK) {
        throw new IOException(String.format("Status %s (%s) for request %s", response.getCode(),
                response.getBody(), request.getUrl()));
    }

    if (log.isDebugEnabled()) {
        log.debug("User info response: {}", response.getBody());
    }

    JsonElement userJson = JSON.newGson().fromJson(response.getBody(), JsonElement.class);
    if (!userJson.isJsonObject()) {
        throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", userJson));
    }
    JsonObject jsonObject = userJson.getAsJsonObject();

    JsonElement id = jsonObject.get("id");
    if (id == null || id.isJsonNull()) {
        throw new IOException(String.format("CAS response missing id: %s", response.getBody()));
    }

    JsonElement attrListJson = jsonObject.get("attributes");
    if (attrListJson == null) {
        throw new IOException(String.format("CAS response missing attributes: %s", response.getBody()));
    }

    String email = null, name = null, login = null;

    if (attrListJson.isJsonArray()) {
        // It is possible for CAS to be configured to not return any attributes (email, name, login),
        // in which case,
        // CAS returns an empty JSON object "attributes":{}, rather than "null" or an empty JSON array
        // "attributes": []

        JsonArray attrJson = attrListJson.getAsJsonArray();
        for (JsonElement elem : attrJson) {
            if (elem == null || !elem.isJsonObject()) {
                throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", elem));
            }
            JsonObject obj = elem.getAsJsonObject();

            String property = getStringElement(obj, "email");
            if (property != null)
                email = property;
            property = getStringElement(obj, "name");
            if (property != null)
                name = property;
            property = getStringElement(obj, "login");
            if (property != null)
                login = property;
        }
    }

    return new OAuthUserInfo(CAS_PROVIDER_PREFIX + id.getAsString(), login, email, name,
            fixLegacyUserId ? id.getAsString() : null);
}

---

From source file:com.googlesource.gerrit.plugins.oauth.CasOAuthService.java

License:Apache License

private String getStringElement(JsonObject o, String name) {
    JsonElement elem = o.get(name);
    if (elem == null || elem.isJsonNull())
        return null;

    return elem.getAsString();
}

---

From source file:com.googlesource.gerrit.plugins.oauth.DexOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    JsonElement tokenJson = JSON.newGson().fromJson(token.getRaw(), JsonElement.class);
    JsonObject tokenObject = tokenJson.getAsJsonObject();
    JsonElement id_token = tokenObject.get("id_token");

    JsonElement claimJson = JSON.newGson().fromJson(parseJwt(id_token.getAsString()), JsonElement.class);

    // Dex does not support basic profile currently (2017-09), extracting info
    // from access token claim

    JsonObject claimObject = claimJson.getAsJsonObject();
    JsonElement emailElement = claimObject.get("email");
    JsonElement nameElement = claimObject.get("name");
    if (emailElement == null || emailElement.isJsonNull()) {
        throw new IOException("Response doesn't contain email field");
    }/*  ww w  .jav  a2s.  c  o  m*/
    if (nameElement == null || nameElement.isJsonNull()) {
        throw new IOException("Response doesn't contain name field");
    }
    String email = emailElement.getAsString();
    String name = nameElement.getAsString();
    String username = email;
    if (domain != null && domain.length() > 0) {
        username = email.replace("@" + domain, "");
    }

    return new OAuthUserInfo(DEX_PROVIDER_PREFIX + email /*externalId*/, username /*username*/, email /*email*/,
            name /*displayName*/, null /*claimedIdentity*/);
}

---

From source file:com.googlesource.gerrit.plugins.oauth.FacebookOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
    Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());
    request.addQuerystringParameter(FIELDS_QUERY, FIELDS);
    service.signRequest(t, request);//from w  ww.  ja  va  2 s.co m
    Response response = request.send();

    if (response.getCode() != HttpServletResponse.SC_OK) {
        throw new IOException(String.format("Status %s (%s) for request %s", response.getCode(),
                response.getBody(), request.getUrl()));
    }
    JsonElement userJson = JSON.newGson().fromJson(response.getBody(), JsonElement.class);

    if (log.isDebugEnabled()) {
        log.debug("User info response: {}", response.getBody());
    }
    if (userJson.isJsonObject()) {
        JsonObject jsonObject = userJson.getAsJsonObject();
        JsonElement id = jsonObject.get("id");
        if (id == null || id.isJsonNull()) {
            throw new IOException("Response doesn't contain id field");
        }
        JsonElement email = jsonObject.get("email");
        JsonElement name = jsonObject.get("name");
        // Heads up!
        // Lets keep `login` equal to `email`, since `username` field is
        // deprecated for Facebook API versions v2.0 and higher
        JsonElement login = jsonObject.get("email");

        return new OAuthUserInfo(FACEBOOK_PROVIDER_PREFIX + id.getAsString(),
                login == null || login.isJsonNull() ? null : login.getAsString(),
                email == null || email.isJsonNull() ? null : email.getAsString(),
                name == null || name.isJsonNull() ? null : name.getAsString(), null);
    }

    throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", userJson));
}

---

From source file:com.googlesource.gerrit.plugins.oauth.GitCafeOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
    request.addHeader("Authorization", "Bearer " + token.getToken());
    Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());
    service.signRequest(t, request);/*from w  w w  . j a  v  a  2 s  . co m*/
    Response response = request.send();
    if (response.getCode() != HttpServletResponse.SC_OK) {
        throw new IOException(String.format("Status %s (%s) for request %s", response.getCode(),
                response.getBody(), request.getUrl()));
    }
    JsonElement userJson = OutputFormat.JSON.newGson().fromJson(response.getBody(), JsonElement.class);
    if (log.isDebugEnabled()) {
        log.debug("User info response: {}", response.getBody());
    }
    if (userJson.isJsonObject()) {
        JsonObject jsonObject = userJson.getAsJsonObject();
        JsonElement id = jsonObject.get("id");
        if (id == null || id.isJsonNull()) {
            throw new IOException(String.format("Response doesn't contain id field"));
        }
        JsonElement email = jsonObject.get("email");
        JsonElement fullname = jsonObject.get("fullname");
        JsonElement username = jsonObject.get("username");
        return new OAuthUserInfo(id.getAsString(),
                username == null || username.isJsonNull() ? null : username.getAsString(),
                email == null || email.isJsonNull() ? null : email.getAsString(),
                fullname == null || fullname.isJsonNull() ? null : fullname.getAsString(), null);
    } else {
        throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", userJson));
    }
}

---

From source file:com.googlesource.gerrit.plugins.oauth.GitHubOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
    Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());
    service.signRequest(t, request);/*from   ww w. j  av  a  2  s  .com*/
    Response response = request.send();
    if (response.getCode() != HttpServletResponse.SC_OK) {
        throw new IOException(String.format("Status %s (%s) for request %s", response.getCode(),
                response.getBody(), request.getUrl()));
    }
    JsonElement userJson = OutputFormat.JSON.newGson().fromJson(response.getBody(), JsonElement.class);
    if (userJson.isJsonObject()) {
        JsonObject jsonObject = userJson.getAsJsonObject();
        JsonElement email = jsonObject.get("email");
        JsonElement name = jsonObject.get("name");
        JsonElement id = jsonObject.get("id");
        JsonElement login = jsonObject.get("login");
        return new OAuthUserInfo(id.getAsString(), login.isJsonNull() ? null : login.getAsString(),
                email.isJsonNull() ? null : email.getAsString(), name.isJsonNull() ? null : name.getAsString(),
                null);
    } else {
        throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", userJson));
    }
}

---

From source file:com.googlesource.gerrit.plugins.oauth.GitLabOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    final String protectedResourceUrl = String.format(PROTECTED_RESOURCE_URL, rootUrl);
    OAuthRequest request = new OAuthRequest(Verb.GET, protectedResourceUrl);
    Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());
    service.signRequest(t, request);//from w w  w  .  j a va 2s. com

    Response response = request.send();
    if (response.getCode() != SC_OK) {
        throw new IOException(String.format("Status %s (%s) for request %s", response.getCode(),
                response.getBody(), request.getUrl()));
    }
    JsonElement userJson = JSON.newGson().fromJson(response.getBody(), JsonElement.class);
    if (log.isDebugEnabled()) {
        log.debug("User info response: {}", response.getBody());
    }
    JsonObject jsonObject = userJson.getAsJsonObject();
    if (jsonObject == null || jsonObject.isJsonNull()) {
        throw new IOException("Response doesn't contain 'user' field" + jsonObject);
    }
    JsonElement id = jsonObject.get("id");
    JsonElement username = jsonObject.get("username");
    JsonElement email = jsonObject.get("email");
    JsonElement name = jsonObject.get("name");
    return new OAuthUserInfo(GITLAB_PROVIDER_PREFIX + id.getAsString(),
            username == null || username.isJsonNull() ? null : username.getAsString(),
            email == null || email.isJsonNull() ? null : email.getAsString(),
            name == null || name.isJsonNull() ? null : name.getAsString(), null);
}

---

From source file:com.googlesource.gerrit.plugins.oauth.GoogleOAuthService.java

License:Apache License

@Override
public OAuthUserInfo getUserInfo(OAuthToken token) throws IOException {
    OAuthRequest request = new OAuthRequest(Verb.GET, PROTECTED_RESOURCE_URL);
    Token t = new Token(token.getToken(), token.getSecret(), token.getRaw());
    service.signRequest(t, request);//from   w ww  .  j ava 2s  . com
    Response response = request.send();
    if (response.getCode() != HttpServletResponse.SC_OK) {
        throw new IOException(String.format("Status %s (%s) for request %s", response.getCode(),
                response.getBody(), request.getUrl()));
    }
    JsonElement userJson = OutputFormat.JSON.newGson().fromJson(response.getBody(), JsonElement.class);
    if (userJson.isJsonObject()) {
        JsonObject jsonObject = userJson.getAsJsonObject();
        JsonElement id = jsonObject.get("id");
        if (id.isJsonNull()) {
            throw new IOException(String.format("Response doesn't contain id field"));
        }
        JsonElement email = jsonObject.get("email");
        JsonElement name = jsonObject.get("name");
        String claimedIdentifier = null;

        if (linkToExistingOpenIDAccounts) {
            claimedIdentifier = lookupClaimedIdentity(token);
        }
        return new OAuthUserInfo(id.getAsString() /*externalId*/, null /*username*/,
                email.isJsonNull() ? null : email.getAsString() /*email*/,
                name.isJsonNull() ? null : name.getAsString() /*displayName*/,
                claimedIdentifier /*claimedIdentity*/);
    } else {
        throw new IOException(String.format("Invalid JSON '%s': not a JSON Object", userJson));
    }
}

---

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