[英]Converting j8583 object having one getter with params in Dozer
I have an IsoMessage object ( https://github.com/chochos/j8583/blob/master/src/main/java/com/solab/iso8583/IsoMessage.java ) that has an internal array which I can only access through a getField(int) method. 我有一个IsoMessage对象( https://github.com/chochos/j8583/blob/master/src/main/java/com/solab/iso8583/IsoMessage.java ),它具有一个内部数组,我只能通过getField(int)方法。
public class IsoMessage {
@SuppressWarnings("rawtypes")
private IsoValue[] fields = new IsoValue[129];
.........
.........
.........
/** Returns the IsoValue for the specified field. First real field is 2. */
@SuppressWarnings("unchecked")
public <T> IsoValue<T> getField(int field) {
return fields[field];
}
I need to read all the attributes stored on the fields array, by calling getField(param Number), and move them to a new object that has a Map, and want to achieve this using dozer. 我需要通过调用getField(param Number)来读取存储在fields数组中的所有属性,并将它们移到具有Map的新对象中,并希望使用推土机来实现。
the object that I need to translate to: 我需要转换为的对象:
public class TransactionInstance implements Serializable {
private static final long serialVersionUID = 3429335891821913088L;
private String transactionName;
private Map<String, String> parameters;
I was experimenting with this dozer configuration hoping to get the field 1 from my isoMessage object 我正在尝试使用此推土机配置,希望从我的isoMessage对象获取字段1
<mapping map-id="a">
<class-a>com.solab.iso8583.IsoMessage</class-a>
<class-b>j8583.example.TransactionInstance</class-b>
<field>
<a get-method="getField" key="1">field</a>
<b map-set-method="put">parameters</b>
</field>
</mapping>
But I'm stuck at getting the value from the original object with this exception: 但是我一直坚持从原始对象获取值,但有以下例外:
Exception in thread "main" org.dozer.MappingException: No read or write method found for field (field) in class (class com.solab.iso8583.IsoMessage)
at org.dozer.propertydescriptor.GetterSetterPropertyDescriptor.determinePropertyType(GetterSetterPropertyDescriptor.java:319)
at org.dozer.propertydescriptor.GetterSetterPropertyDescriptor.getPropertyType(GetterSetterPropertyDescriptor.java:76)
at org.dozer.fieldmap.MapFieldMap.determineActualPropertyType(MapFieldMap.java:170)
at org.dozer.fieldmap.MapFieldMap.getSrcFieldValue(MapFieldMap.java:95)
I was checking this post https://github.com/DozerMapper/dozer/issues/111 and How to pass `this` to Dozer field mapping? 我正在检查这篇文章https://github.com/DozerMapper/dozer/issues/111以及如何将`this`传递给Dozer字段映射? bus still stuck in the same place, also I was wondering if I can achieve this by using the API so I can tell dynamically which fields I want to get from the original bean
总线仍然停留在同一位置,我也想知道是否可以通过使用API来实现这一点,以便可以动态告诉我要从原始bean中获取哪些字段
I'm not familiar with Dozer, but field 1 is the bitmap. 我对推土机不熟悉,但是字段1是位图。
getField(1)
returns null
. getField(1)
返回null
。
I finally foud the rigth mapping using the capability that dozer has to access the internal objects directly ( http://dozer.sourceforge.net/documentation/custommethods.html ). 最后,我使用了推土机必须直接访问内部对象( http://dozer.sourceforge.net/documentation/custommethods.html )的功能来进行精确映射。
<mapping>
<class-a is-accessible="true">com.solab.iso8583.IsoMessage</class-a>
<class-b>j8583.example.TransactionInstance</class-b>
<field>
<a>fields[3]</a>
<b set-method="addParameter" map-set-method="addParameter" key="field3">parameters
</b>
</field>
</mapping>
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