Example usage for com.google.gson JsonElement getAsJsonObject

List of usage examples for com.google.gson JsonElement getAsJsonObject

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Introduction

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

Prototype

public JsonObject getAsJsonObject()

Source Link

Document

convenience method to get this element as a JsonObject .

Usage

From source file:com.cloudant.client.api.Database.java

License:Open Source License

/**
 * Set permissions for a user/apiKey on this database.
 * <p>/*from w  ww.  j a va2s.  c  om*/
 * Note this method is only applicable to databases that support the
 * <a href="http://docs.cloudant.com/authorization.html">
 * Cloudant authorization API
 * </a> such as Cloudant DBaaS. For unsupported databases consider using the /db/_security
 * endpoint.
 * </p>
 *
 * @param userNameorApikey
 * @param permissions      permissions to grant
 * @throws UnsupportedOperationException if called on a database that does not provide the
 *                                       Cloudant authorization API
 * @see <a href="http://docs.cloudant.com/authorization.html#roles">Roles</a>
 * @see <a href="http://docs.cloudant.com/authorization.html#modifying-permissions">Modifying
 * permissions</a>
 */
public void setPermissions(String userNameorApikey, EnumSet<Permissions> permissions) {
    assertNotEmpty(userNameorApikey, "userNameorApikey");
    assertNotEmpty(permissions, "permissions");
    final JsonArray jsonPermissions = new JsonArray();
    for (Permissions s : permissions) {
        final JsonPrimitive permission = new JsonPrimitive(s.toString());
        jsonPermissions.add(permission);
    }

    // get existing permissions
    JsonObject perms = getPermissionsObject();

    // now set back
    JsonElement elem = perms.get("cloudant");
    if (elem == null) {
        perms.addProperty("_id", "_security");
        elem = new JsonObject();
        perms.add("cloudant", elem);
    }
    elem.getAsJsonObject().add(userNameorApikey, jsonPermissions);

    HttpResponse response = null;
    HttpPut put = new HttpPut(apiV2DBSecurityURI);
    setEntity(put, client.getGson().toJson(perms), "application/json");
    try {
        response = executeRequest(put);
        String ok = getAsString(response, "ok");
        if (!ok.equalsIgnoreCase("true")) {
            //raise exception
        }
    } finally {
        close(response);
    }
}

From source file:com.cloudant.client.api.Database.java

License:Open Source License

/**
 * Find documents using an index/*  w  w  w.  j  a  va 2 s.  co m*/
 *
 * @param selectorJson JSON object describing criteria used to select documents.
 *                     Is of the form <code>"selector": {&lt;your data here&gt;} </code>
 * @param options      {@link FindByIndexOptions query Index options}
 * @param classOfT     The class of Java objects to be returned
 * @return List of classOfT objects
 * @see <a href="http://docs.cloudant.com/api/cloudant-query.html#cloudant-query-selectors">
 * selector syntax</a>
 */
public <T> List<T> findByIndex(String selectorJson, Class<T> classOfT, FindByIndexOptions options) {
    assertNotEmpty(selectorJson, "selectorJson");
    assertNotEmpty(options, "options");

    URI uri = buildUri(getDBUri()).path("_find").build();
    String body = getFindByIndexBody(selectorJson, options);
    InputStream stream = null;
    try {
        stream = getStream(client.executeRequest(createPost(uri, body, "application/json")));
        Reader reader = new InputStreamReader(stream, "UTF-8");
        JsonArray jsonArray = new JsonParser().parse(reader).getAsJsonObject().getAsJsonArray("docs");
        List<T> list = new ArrayList<T>();
        for (JsonElement jsonElem : jsonArray) {
            JsonElement elem = jsonElem.getAsJsonObject();
            T t = client.getGson().fromJson(elem, classOfT);
            list.add(t);
        }
        return list;
    } catch (UnsupportedEncodingException e) {
        // This should never happen as every implementation of the java platform is required
        // to support UTF-8.
        throw new RuntimeException(e);
    } finally {
        close(stream);
    }
}

From source file:com.cloudant.client.api.Database.java

License:Open Source License

public List<Shard> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {

    final List<Shard> shards = new ArrayList<Shard>();

    final JsonObject jsonObject = json.getAsJsonObject();
    Set<Map.Entry<String, JsonElement>> shardsObj = jsonObject.get("shards").getAsJsonObject().entrySet();

    for (Entry<String, JsonElement> entry : shardsObj) {
        String range = entry.getKey();
        List<String> nodeNames = context.deserialize(entry.getValue(), new TypeToken<List<String>>() {
        }.getType());//from   w w w  .  j  a va2 s .c  o m
        shards.add(new Shard(range, nodeNames));
    }

    return shards;
}

From source file:com.cloudant.client.api.Database.java

License:Open Source License

public List<Index> deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
        throws JsonParseException {

    final List<Index> indices = new ArrayList<Index>();

    final JsonObject jsonObject = json.getAsJsonObject();
    JsonArray indArray = jsonObject.get("indexes").getAsJsonArray();
    for (int i = 0; i < indArray.size(); i++) {
        JsonObject ind = indArray.get(i).getAsJsonObject();
        String ddoc = null;/*w  ww . java 2  s  .  c  o  m*/
        if (!ind.get("ddoc").isJsonNull()) { // ddoc is optional
            ddoc = ind.get("ddoc").getAsString();
        }
        Index idx = new Index(ddoc, ind.get("name").getAsString(), ind.get("type").getAsString());
        JsonArray fldArray = ind.get("def").getAsJsonObject().get("fields").getAsJsonArray();
        for (int j = 0; j < fldArray.size(); j++) {
            Set<Map.Entry<String, JsonElement>> fld = fldArray.get(j).getAsJsonObject().entrySet();
            for (Entry<String, JsonElement> entry : fld) {
                idx.addIndexField(entry.getKey(), SortOrder.valueOf(entry.getValue().getAsString()));
            }
        } //end fldArray
        indices.add(idx);

    } // end indexes

    return indices;
}

From source file:com.cloudant.client.api.Database.java

License:Open Source License

public Map<String, EnumSet<Permissions>> deserialize(JsonElement json, Type typeOfT,
        JsonDeserializationContext context) throws JsonParseException {

    Map<String, EnumSet<Permissions>> perms = new HashMap<String, EnumSet<Permissions>>();
    JsonElement elem = json.getAsJsonObject().get("cloudant");
    if (elem == null) {
        return perms;
    }/*from   w  ww. j ava 2 s  .c  o  m*/
    Set<Map.Entry<String, JsonElement>> permList = elem.getAsJsonObject().entrySet();
    for (Entry<String, JsonElement> entry : permList) {
        String user = entry.getKey();
        EnumSet<Permissions> p = context.deserialize(entry.getValue(), new TypeToken<EnumSet<Permissions>>() {
        }.getType());
        perms.put(user, p);
    }
    return perms;

}

From source file:com.cloudant.client.api.DatabaseImpl.java

License:Open Source License

@Override
public void setPermissions(String userNameorApikey, EnumSet<Permissions> permissions) {
    assertNotEmpty(userNameorApikey, "userNameorApikey");
    assertNotEmpty(permissions, "permissions");
    final JsonArray jsonPermissions = new JsonArray();
    for (Permissions s : permissions) {
        final JsonPrimitive permission = new JsonPrimitive(s.toString());
        jsonPermissions.add(permission);
    }/* w w  w .j  a va  2 s.co m*/

    // get existing permissions
    JsonObject perms = getPermissionsObject();

    // now set back
    JsonElement elem = perms.get("cloudant");
    if (elem == null) {
        perms.addProperty("_id", "_security");
        elem = new JsonObject();
        perms.add("cloudant", elem);
    }
    elem.getAsJsonObject().add(userNameorApikey, jsonPermissions);

    InputStream response = null;
    HttpConnection put = Http.PUT(apiV2DBSecurityURI, "application/json");
    put.setRequestBody(client.getGson().toJson(perms));
    try {
        response = client.couchDbClient.executeToInputStream(put);
        String ok = getAsString(response, "ok");
        if (!ok.equalsIgnoreCase("true")) {
            //raise exception
        }
    } finally {
        close(response);
    }
}

From source file:com.cloudant.client.api.DatabaseImpl.java

License:Open Source License

@Override
public <T> List<T> findByIndex(String selectorJson, Class<T> classOfT, FindByIndexOptions options) {
    assertNotEmpty(selectorJson, "selectorJson");
    assertNotEmpty(options, "options");

    URI uri = new DatabaseURIHelper(db.getDBUri()).path("_find").build();
    JsonObject body = getFindByIndexBody(selectorJson, options);
    InputStream stream = null;/*  w  w  w  . j  a  v a2 s  . co  m*/
    try {
        stream = client.couchDbClient
                .executeToInputStream(createPost(uri, body.toString(), "application/json"));
        Reader reader = new InputStreamReader(stream, "UTF-8");
        JsonArray jsonArray = new JsonParser().parse(reader).getAsJsonObject().getAsJsonArray("docs");
        List<T> list = new ArrayList<T>();
        for (JsonElement jsonElem : jsonArray) {
            JsonElement elem = jsonElem.getAsJsonObject();
            T t = client.getGson().fromJson(elem, classOfT);
            list.add(t);
        }
        return list;
    } catch (UnsupportedEncodingException e) {
        // This should never happen as every implementation of the java platform is required
        // to support UTF-8.
        throw new RuntimeException(e);
    } finally {
        close(stream);
    }
}

From source file:com.cloudant.client.api.Search.java

License:Open Source License

/**
 * Queries a Search Index and returns grouped results in a map where key
 * of the map is the groupName. In case the query didnt use grouping,
 * an empty map is returned/*from   ww  w . j  a v a  2  s  .  c o  m*/
 *
 * @param <T>      Object type T
 * @param query    the Lucene query to be passed to the Search index
 * @param classOfT The class of type T
 * @return The result of the grouped search query as a ordered {@code Map<String,T> }
 */
public <T> Map<String, List<T>> queryGroups(String query, Class<T> classOfT) {
    InputStream instream = null;
    try {
        Reader reader = new InputStreamReader(instream = queryForStream(query), "UTF-8");
        JsonObject json = new JsonParser().parse(reader).getAsJsonObject();
        Map<String, List<T>> result = new LinkedHashMap<String, List<T>>();
        if (json.has("groups")) {
            for (JsonElement e : json.getAsJsonArray("groups")) {
                String groupName = e.getAsJsonObject().get("by").getAsString();
                List<T> orows = new ArrayList<T>();
                if (!includeDocs) {
                    log.warn("includeDocs set to false and attempting to retrieve doc. "
                            + "null object will be returned");
                }
                for (JsonElement rows : e.getAsJsonObject().getAsJsonArray("rows")) {
                    orows.add(JsonToObject(db.getGson(), rows, "doc", classOfT));
                }
                result.put(groupName, orows);
            } // end for(groups)
        } // end hasgroups
        else {
            log.warn("No grouped results available. Use query() if non grouped query");
        }
        return result;
    } catch (UnsupportedEncodingException e1) {
        // This should never happen as every implementation of the java platform is required
        // to support UTF-8.
        throw new RuntimeException(e1);
    } finally {
        close(instream);
    }
}

From source file:com.cloudant.client.api.Search.java

License:Open Source License

private <T> List<SearchResult<T>.SearchResultRows> getRows(JsonArray jsonrows, SearchResult<T> sr,
        Class<T> classOfT) {

    List<SearchResult<T>.SearchResultRows> ret = new ArrayList<SearchResult<T>.SearchResultRows>();
    for (JsonElement e : jsonrows) {
        SearchResult<T>.SearchResultRows row = sr.new SearchResultRows();
        JsonObject oe = e.getAsJsonObject();
        row.setId(oe.get("id").getAsString());
        row.setOrder(JsonToObject(db.getGson(), e, "order", Object[].class));
        row.setFields(JsonToObject(db.getGson(), e, "fields", classOfT));
        if (includeDocs) {
            row.setDoc(JsonToObject(db.getGson(), e, "doc", classOfT));
        }//from   www . j  a  va 2 s  . c om
        ret.add(row);
    }
    return ret;
}

From source file:com.cloudant.client.api.Search.java

License:Open Source License

private <T> void setGroups(JsonArray jsongroups, SearchResult<T> sr, Class<T> classOfT) {
    for (JsonElement e : jsongroups) {
        SearchResult<T>.SearchResultGroups group = sr.new SearchResultGroups();
        JsonObject oe = e.getAsJsonObject();
        group.setBy(oe.get("by").getAsString());
        group.setTotalRows(oe.get("total_rows").getAsLong());
        group.setRows(getRows(oe.getAsJsonArray("rows"), sr, classOfT));
        sr.getGroups().add(group);/*from w w w.  j a va 2  s .c o  m*/
    }
}