dev 契约锁

P15GEN2\59518

2024-05-29 d4210c7c4b04abde20037ea8aa0f54ef8a2649aa

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package foundation.data.meta.field;
 
import foundation.data.entity.DictionaryTranslator;
import foundation.json.IJSONWriter;
import foundation.translator.ITranslator;
import foundation.util.Util;
 
public class FieldTranslateWriter extends FieldWriter {
 
    private String targetFieldName;
    private DictionaryTranslator dictionary;
    private boolean includeOrighinal; 
    private Field targetField;
    private boolean active;
    
    
    public FieldTranslateWriter(String fieldName, int index, ITranslator translator, String targetFieldName, DictionaryTranslator dictionary, boolean includeOrighinal) {
        super(fieldName, index, translator);
        
        this.targetFieldName = targetFieldName;
        this.dictionary = dictionary;
        this.includeOrighinal = includeOrighinal;
        
        this.targetField = new Field(targetFieldName);
        FieldExtension extension = new FieldExtension();
        extension.setFieldName(targetFieldName);
        extension.setAlign(Align.left);
        
        targetField.setExtension(extension);
        active = true;
    }
 
    @Override
    public void write(Object[] dataArray, IJSONWriter writer, boolean writeNull) {
        Object value = dataArray[index];
        
        if (Util.isEmpty(value)) {
            if (!writeNull) {
                return;
            }
            else {
                writer.writeNull(fieldName);
                return;
            }
        }
        
        //1. 如果原有表中已经有了需要翻译的字段，就不需要再翻译了
        String original = String.valueOf(value);
        
        if (!active) {
            writer.writeJSON(fieldName, Util.doubleQuotedStr(original));
            return;
        }
        
        //2. 进行翻译
        String target = dictionary.toValue(original);
        
        try {
            if (includeOrighinal) {
                writer.writeJSON(fieldName, Util.doubleQuotedStr(original));
            }
            
            writer.writeJSON(targetFieldName, Util.doubleQuotedStr(target));
        }
        catch (Exception e) {
            if (includeOrighinal) {
                writer.writeJSON(fieldName, "\"error\"");
            }
            
            writer.writeJSON(targetFieldName, "\"error\"");
        }
    }
 
    @Override
    public boolean hasDictionaryTranslator() {
        return true;
    }
 
    @Override
    public boolean includeOrighinal() {
        return includeOrighinal;
    }
 
    @Override
    public Field getTargetField() {
        return targetField;
    }
 
    public void setActive(boolean active) {
        this.active = active;
    }
    
    public Object getValue(Object value) {
        if (Util.isEmpty(value)) {
            return null;
        }
        
        //1. 如果原有表中已经有了需要翻译的字段，就不需要再翻译了
        if (!active) {
            return value;
        }
        
        //2. 进行翻译
        String original = String.valueOf(value);
        String target = dictionary.toValue(original);
        return target;
    }
    
}