如何告诉Dozer使用编程API绕过每个字段映射空值或空字符串值？

为此，我可以创建自己的自定义转换器来实现所需的功能。这是代码：

import org.apache.commons.lang.StringUtils;import org.dozer.DozerConverter;public class IfNotBlankConverter extends DozerConverter<String, String> {    public IfNotBlankConverter() {        super(String.class, String.class);    }    private String getObject(String source, String destination) {        if (StringUtils.isNotBlank(source)) { return source;        } else { return destination;        }    }    @Override    public String convertTo(String source, String destination) {        return getObject(source, destination);    }    @Override    public String convertFrom(String source, String destination) {        return getObject(source, destination);    }}

第二个：

import org.dozer.DozerConverter;public class IfNotNullConverter extends DozerConverter<Object, Object> {    public IfNotNullConverter() {        super(Object.class, Object.class);    }    @Override    public Object convertTo(Object source, Object destination) {        return getObject(source, destination);    }    @Override    public Object convertFrom(Object source, Object destination) {        return getObject(source, destination);    }    private Object getObject(Object source, Object destination) {        if (source != null) { return source;        } else { return destination;        }    }}