dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.data.meta.field;
 
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
 
import foundation.data.entity.DictionaryTranslator;
import foundation.json.IJSONWriter;
import foundation.translator.ITranslator;
import foundation.util.Util;
 
public abstract class FieldWriter {
    
    protected static Logger logger;
    protected String fieldName;
    protected int index;
    protected ITranslator translator;
    
    
    static {
        logger = LogManager.getLogger(FieldWriter.class);
    }
    
    public FieldWriter(String fieldName, int index, ITranslator translator) {
        this.fieldName = fieldName;
        this.index = index;
        this.translator = translator;
    }
    
    public static FieldWriter newInstance(String fieldName, int index, ITranslator translator, FieldExtension extension) {
        //1. 根据原始值输出的 Writer
        if (extension == null) {
            return new FieldValueWriter(fieldName, index, translator);
        }
        
        String dictionary = extension.getTranslator();
         if (Util.isEmpty(dictionary)) {
            return new FieldValueWriter(fieldName, index, translator);
        }
        
        //2. 不输出内容的 Writer
        if ("ignore".equalsIgnoreCase(dictionary)) {
            return new FieldIgnoreWriter(fieldName, index, translator);
        }
        
        //3. 需要进行字典翻译的 Writer()
        dictionary = dictionary.replace(";", ",").replace("；", ",").replace("，", ",");
        String[] segments = dictionary.split(",");
        
        DictionaryTranslator dictionaryTranslator = DictionaryTranslator.getInstance(segments[0].trim());
        if (dictionaryTranslator == null) {
            logger.error("error load field writer: {}", segments[0]);
            return new FieldValueWriter(fieldName, index, translator);
        }
        
        FieldWriter writer = new FieldTranslateWriter(fieldName, index, translator, segments[1].trim(), dictionaryTranslator, segments.length > 2);
        return writer;
    }
    
    public abstract void write(Object[] dataArray, IJSONWriter writer, boolean writeNull);
 
    public abstract boolean hasDictionaryTranslator();
    
    public abstract boolean includeOrighinal();
 
    public abstract Field getTargetField();
 
    public abstract void setActive(boolean value);
 
    public abstract Object getValue(Object value);
 
}