使用jaxb读取xml文档 [英] reading xml document using jaxb
问题描述
我正在尝试使用jaxb读取xml并尝试创建解析器。我对我编写java bean及其中的注释的方式有些怀疑。我知道我所做的是错误的,因为我收到了非法的注释错误。
I am trying to read in xml using jaxb and have had a shot at creating a parser. I'm having some doubts about the way I have structured my java beans and the annotations in them. I know what I have done is wrong because I'm getting illegal annotation errors.
我能不能得到一些关于如何编写bean和注释以允许jax b的帮助做这件事并解析我的xml。
Could I please get some help on how to write the beans and annotations to allow jax b to do it's thing and parse my xml.
谢谢(对不起,很长的帖子,但希望它能帮助别人)
thanks (sorry for the long post but hopefully it will help others)
我简化的xml文档看起来像这样......
My simplified xml document looks like this...
<WEB-ITM-EXT-REC>
<ACTVTY-CODE>A</ACTVTY-CODE>
<WEB-ITM-EXT-DATA>
<ITEM-NO>93501250080</ITEM-NO>
<PROMOTION-DETAILS>
<PROMOTION-ID></PROMOTION-ID>
<PROMOTION-START-DATE>0</PROMOTION-START-DATE>
<PROMOTION-END-DATE>0</PROMOTION-END-DATE>
<PROMOTION-PRICE>.00</PROMOTION-PRICE>
</PROMOTION-DETAILS>
<NORMAL-SELL-PRICES>
<SELL-PRICE-EFFECTIVE-DATE-1>0</SELL-PRICE-EFFECTIVE-DATE-1>
<SELL-PRICE-1>.00</SELL-PRICE-1>
<SELL-PRICE-EFFECTIVE-DATE-2>0</SELL-PRICE-EFFECTIVE-DATE-2>
<SELL-PRICE-2>.00</SELL-PRICE-2>
<SELL-PRICE-EFFECTIVE-DATE-3>0</SELL-PRICE-EFFECTIVE-DATE-3>
<SELL-PRICE-3>189.95</SELL-PRICE-3>
</NORMAL-SELL-PRICES>
<OUT-OF-STOCK-IND>Y</OUT-OF-STOCK-IND>
</WEB-ITM-EXT-DATA>
</WEB-ITM-EXT-REC>
这是我编写java bean的方式......
Here is the way I have written my java beans...
@XmlRootElement(name = "WEB-ITM-EXT-REC")
public class ItemDocuments {
@XmlElement(name="ACTVTY-CODE")
private String activityCode;
@XmlElement(name="WEB-ITM-EXT-DATA")
private List<ItemDocument> itemDocuments;
public List<ItemDocument> getItemDocuments() {
return itemDocuments;
}
public void setItemDocuments(List<ItemDocument> itemDocuments) {
this.itemDocuments = itemDocuments;
}
public String getActivityCode() {
return activityCode;
}
public void setActivityCode(String activityCode) {
this.activityCode = activityCode;
}
}
项目bean
@XmlRootElement(name = "WEB-ITM-EXT-DATA")
@XmlAccessorType(XmlAccessType.FIELD)
public class ItemDocument {
@XmlElement(name="ITEM-NO")
private String itemNo;
private PromotionDocument promotion;
private SellPriceDocument sellPrice;
@XmlElement(name="OUT-OF-STOCK-IND")
private String outOfStockInd;
getters..
setters...
}
卖出价格
@XmlType
public class SellPriceDocument {
@XmlElement(name="SELL-PRICE-EFFECTIVE-DATE-1")
private String sellPriceEffectiveDateOne;
@XmlElement(name="SELL-PRICE-1")
private String sellPriceOne;
@XmlElement(name="SELL-PRICE-EFFECTIVE-DATE-2")
private String sellPriceEffectiveDateTwo;
@XmlElement(name="SELL-PRICE-2")
private String sellPriceTwo;
@XmlElement(name="SELL-PRICE-EFFECTIVE-DATE-3")
private String sellPriceEffectiveDateThree;
@XmlElement(name="SELL-PRICE-3")
private String sellPriceThree;
getters..
setters...
}
促销Bean
public class PromotionDocument {
@XmlElement(name="PROMOTION-ID")
private String promotionId;
@XmlElement(name="PROMOTION-START-DATE")
private String promotionStartDate;
@XmlElement(name="PROMOTION-END-DATE")
private String promotionEndDate;
@XmlElement(name="PROMOTION-PRICE")
private String promotionPrice;
getters..
setters...
}
推荐答案
您已使用@XmlRootElement注释了两个类(ItemDocuments和ItemDocument)。您应该只有一个@XmlRootElement(根据标准 http://www.w3.org/TR / REC-xml / )因为这定义了一个文档。并查看您想要生成的xml。我建议关注
You have annotated two classes (ItemDocuments and ItemDocument) with @XmlRootElement . You should only have one @XmlRootElement (acccording to standards http://www.w3.org/TR/REC-xml/) because this defines a document. And looking at the xml you want to produce. I suggest following
@XmlRootElement(name = "WEB-ITM-EXT-REC")
@XmlAccessorType(XmlAccessType.FIELD)
public class ItemDocuments {
@XmlElement(name = "WEB-ITM-EXT-DATA")
public List<ItemDocument> itemDocumentList = new ArrayList<ItemDocument>();
public List<ItemDocument> getItemDocumentList() {
return itemDocumentList;
}
public void setItemDocumentList(List<ItemDocument> itemDocumentList) {
this.itemDocumentList = itemDocumentList;
}
}
ss
@XmlType
@XmlAccessorType(XmlAccessType.FIELD)
public class ItemDocument {
@XmlElement(name = "ITEM-NO")
private String itemNo;
public String getItemNo() {
return itemNo;
}
public void setItemNo(String itemNo) {
this.itemNo = itemNo;
}
}
这将产生xml,如
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<WEB-ITM-EXT-REC>
<WEB-ITM-EXT-DATA>
<ITEM-NO>1111</ITEM-NO>
</WEB-ITM-EXT-DATA>
<WEB-ITM-EXT-DATA>
<ITEM-NO>2222</ITEM-NO>
</WEB-ITM-EXT-DATA>
</WEB-ITM-EXT-REC>
所以xsd看起来像
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<xs:schema version="1.0" xmlns:xs="http://www.w3.org/2001/XMLSchema">
<xs:element name="WEB-ITM-EXT-REC" type="itemDocuments"/>
<xs:complexType name="itemDocuments">
<xs:sequence>
<xs:element name="WEB-ITM-EXT-DATA" type="itemDocument" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="itemDocument">
<xs:sequence>
<xs:element name="ITEM-NO" type="xs:string" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
</xs:schema>
这应该足以让你开始。如果您在ItemDocument中使用SellpriceDocument和PromotionDocument时遇到问题,请告诉我。
This should give you enough to start. Let me know if you have problem using SellpriceDocument and PromotionDocument in ItemDocument.
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