Java BSONObject.containsField方法代碼示例

import org.bson.BSONObject; //導入方法依賴的package包/類
@Override
public DataBean getBean(String key, String value) throws BeanException {
	DataBean bean;
	BSONObject datas = sqlHelper.findByKey(key, value);
	if(datas!=null && datas.containsField("id")){
		bean = new User(
				(String) datas.get("id"), 
				(String) datas.get("email"),
				(String) datas.get("pass"), 
				(String) datas.get("prenom"), 
				(String) datas.get("nom"),
				(String) datas.get("tag"));
		TransactionsUtils.applyTransactionsOnUser(bean);
		if(datas.containsField("token")){
			((User) bean).setToken((String) datas.get("token"));
		}
	}
	else
		bean = null;
	return bean;
}
 

import org.bson.BSONObject; //導入方法依賴的package包/類
/**
 * check whether or not all the params needed are set
 * @param datas : datas to check
 * @param type : type of check to do {@value LoginManager#LOGIN}, {@value LoginManager#LOGOUT}, {@value LoginManager#AUTH}
 * @return true if all params are set
 */
private static boolean hasRequiredFields(BSONObject datas, int type){
	String[] requiredFields;
	switch (type) {
	case LoginManager.LOGIN:
		requiredFields = LoginManager.requiredLogin;
		break;
	case LoginManager.LOGOUT:
		requiredFields = LoginManager.requiredLogout;
		break;
	case LoginManager.AUTH:
		requiredFields = LoginManager.requiredAuth;
		break;
	default:
		requiredFields = LoginManager.requiredLogin;
		break;
	}
	for(String field : requiredFields){
		if(!datas.containsField(field))
			return false;
	}
	return true;
}
 

import org.bson.BSONObject; //導入方法依賴的package包/類
@Override
public Object objectDone(){
    BSONObject o = (BSONObject)super.objectDone();
    String lastName = null;
    if ( _nameStack.size() > 0 ){
        lastName = _nameStack.removeLast();
    }
    if ( ! ( o instanceof List ) && lastName != null &&
         o.containsField( "$ref" ) &&
         o.containsField( "$id" ) ){
        return cur().put(lastName, new DBRef( _db, o ) );
    }

    return o;
}
 

import org.bson.BSONObject; //導入方法依賴的package包/類
protected BasicDBList requireCoordinates(BSONObject bson) throws
        GeometryConverterException {
    if (!bson.containsField(COORDINATES_KEY)) {
        throw new GeometryConverterException("missing 'coordinates' field");
    }
    return toList(bson.get(COORDINATES_KEY));
}
 

import org.bson.BSONObject; //導入方法依賴的package包/類
protected Geometry decodeGeometry(Object db) throws
        GeometryConverterException {
    BSONObject bson = (BSONObject) db;
    if (!bson.containsField(TYPE_KEY)) {
        throw new GeometryConverterException("Can not determine geometry type (missing 'type' field)");
    }
    Object to = bson.get(TYPE_KEY);
    if (!(to instanceof String)) {
        throw new GeometryConverterException("'type' field has to be a string");
    }
    String type = (String) to;
    if (type.equals(POINT_TYPE)) {
        return decodePoint(bson);
    } else if (type.equals(MULTI_POINT_TYPE)) {
        return decodeMultiPoint(bson);
    } else if (type.equals(LINE_STRING_TYPE)) {
        return decodeLineString(bson);
    } else if (type.equals(MULTI_LINE_STRING_TYPE)) {
        return decodeMultiLineString(bson);
    } else if (type.equals(POLYGON_TYPE)) {
        return decodePolygon(bson);
    } else if (type.equals(MULTI_POLYGON_TYPE)) {
        return decodeMultiPolygon(bson);
    } else if (type.equals(GEOMETRY_COLLECTION_TYPE)) {
        return decodeGeometryCollection(bson);
    } else {
        throw new GeometryConverterException("Unkown geometry type: " + type);
    }
}
 

import org.bson.BSONObject; //導入方法依賴的package包/類
@Override
public GeometryCollection decodeGeometryCollection(BSONObject bson) throws
        GeometryConverterException {
    if (!bson.containsField(GEOMETRIES_KEY)) {
        throw new GeometryConverterException("missing 'geometries' field");
    }
    BasicDBList geometries = toList(bson.get(GEOMETRIES_KEY));
    Geometry[] geoms = new Geometry[geometries.size()];
    for (int i = 0; i < geometries.size(); ++i) {
        geoms[i] = decodeGeometry(geometries.get(i));
    }
    return factory.createGeometryCollection(geoms);
}
 

import org.bson.BSONObject; //導入方法依賴的package包/類
/**
 * check if request datas have all required fields
 * @param args : required fields
 * @param datas : request datas
 * @return true if all required fields are set
 */
public static boolean checkRequiredFields(String[] args, BSONObject datas){
	for(String field : args){
		if(!datas.containsField(field) || datas.get(field)==null)
			return false;
	}
	return true;
}