Java GraphObject.asMap方法代碼示例

import com.facebook.model.GraphObject; //導入方法依賴的package包/類
/**
 * This parses a server response to a call to me/permissions.  It will return the list of granted permissions.
 * It will optionally update a session with the requested permissions.  It also handles the distinction between
 * 1.0 and 2.0 calls to the endpoint.
 *
 * @param session An optional session to update the requested permission set
 * @param response The server response
 * @return A list of granted permissions or null if an error
 */
static List<String> handlePermissionResponse(Session session, Response response) {
    if (response.getError() != null) {
        return null;
    }

    GraphMultiResult result = response.getGraphObjectAs(GraphMultiResult.class);
    if (result == null) {
        return null;
    }

    GraphObjectList<GraphObject> data = result.getData();
    if (data == null || data.size() == 0) {
        return null;
    }
    List<String> allPermissions = new ArrayList<String>(data.size());
    List<String> grantedPermissions = new ArrayList<String>(data.size());

    // Check if we are dealing with v2.0 or v1.0 behavior until the server is updated
    GraphObject firstObject = data.get(0);
    if (firstObject.getProperty("permission") != null) { // v2.0
        for (GraphObject graphObject : data) {
            String permission = (String) graphObject.getProperty("permission");
            String status = (String) graphObject.getProperty("status");
            allPermissions.add(permission);
            if(status.equals("granted")) {
                grantedPermissions.add(permission);
            }
        }
    } else { // v1.0
        Map<String, Object> permissionsMap = firstObject.asMap();
        for (Map.Entry<String, Object> entry : permissionsMap.entrySet()) {
            if (entry.getKey().equals("installed")) {
                continue;
            }
            allPermissions.add(entry.getKey());
            if ((Integer)entry.getValue() == 1) {
                grantedPermissions.add(entry.getKey());
            }
        }
    }

    // If we have a session track all the permissions that were requested
    if (session != null) {
        session.addRequestedPermissions(allPermissions);
    }
    return grantedPermissions;
}
 

import com.facebook.model.GraphObject; //導入方法依賴的package包/類
/**
 * This parses a server response to a call to me/permissions.  It will return the list of granted permissions.
 * It will optionally update a session with the requested permissions.  It also handles the distinction between
 * 1.0 and 2.0 calls to the endpoint.
 *
 * @param response The server response
 * @return A list of granted permissions or null if an error
 */
static PermissionsPair handlePermissionResponse(Response response) {
    if (response.getError() != null) {
        return null;
    }

    GraphMultiResult result = response.getGraphObjectAs(GraphMultiResult.class);
    if (result == null) {
        return null;
    }

    GraphObjectList<GraphObject> data = result.getData();
    if (data == null || data.size() == 0) {
        return null;
    }
    List<String> grantedPermissions = new ArrayList<String>(data.size());
    List<String> declinedPermissions = new ArrayList<String>(data.size());

    // Check if we are dealing with v2.0 or v1.0 behavior until the server is updated
    GraphObject firstObject = data.get(0);
    if (firstObject.getProperty("permission") != null) { // v2.0
        for (GraphObject graphObject : data) {
            String permission = (String) graphObject.getProperty("permission");
            if (permission.equals("installed")) {
                continue;
            }
            String status = (String) graphObject.getProperty("status");
            if(status.equals("granted")) {
                grantedPermissions.add(permission);
            } else if (status.equals("declined")) {
                declinedPermissions.add(permission);
            }
        }
    } else { // v1.0
        Map<String, Object> permissionsMap = firstObject.asMap();
        for (Map.Entry<String, Object> entry : permissionsMap.entrySet()) {
            if (entry.getKey().equals("installed")) {
                continue;
            }
            if ((Integer)entry.getValue() == 1) {
                grantedPermissions.add(entry.getKey());
            }
        }
    }

    return new PermissionsPair(grantedPermissions, declinedPermissions);
}