Jaxb：生成具有被編組的類中包含的不同根元素的XML？
[英]Jaxb: Generating XML with different root element included in class which is being marshalled?
問題描述
我正在嘗試使用具有以下格式的JAXB創建Companies House XML
<GovtTalkMessage schemaLocation="schema1" xlmns="" xlmns:bs= "" xlmns:gt="">
<Header> .... </Header>
<Body>
<FormSubmission schemaLocation="schema2" xlmns="" xlmns:xx="">
.....
<CompanyIncorporation schemaLocation="schema3" xlmns="" xlmns:yy="">
...
</CompanyIncorporation>
</FormSubmission>
</Body>
</GovtTalkMessage>
除了schemalocations和xlmns之外，XML結構已經正確生成，schemalocation不會為應該在其中放置任何元素的任何元素生成，並且所有的xmlns在<GovtTalkMessage>中都可見，例如
<GovtTalkMessage schemaLocation="schema1" xlmns="" xlmns:bs= "" xlmns:gt="" xlmns:xx="" xlmns:yy="">
FormSubmission和CompanyCorporation由xjc生成為@XmlRootElement 。
xmlns的相關@XmlSchema屬性和schemalocation值已添加到package-info.java中，也按此處建議的方式嘗試了@XmlElementDecl ，但對我沒有幫助。
CompanyIncorportion package-info.java ：
@XmlSchema(namespace = "",
xmlns = {
@XmlNs(namespaceURI = "http://xmlgw.companieshouse.gov.uk", prefix = ""),
@XmlNs(namespaceURI = "http://www.w3.org/2001/XMLSchema-instance" , prefix="xsi")
},
location = "http://xmlgw.companieshouse.gov.uk http://xmlgw.companieshouse.gov.uk/v2-1/schema/forms/CompanyIncorporation-v2-6.xsd",
elementFormDefault = javax.xml.bind.annotation.XmlNsForm.UNSET)
package com.xx.ch;
import javax.xml.bind.annotation.XmlNs;
import javax.xml.bind.annotation.XmlSchema;
網關package-info.java：
@XmlSchema(namespace = "",
xmlns = {
@XmlNs(namespaceURI = "http://www.w3.org/2000/09/xmldsig#", prefix = "dsig"),
@XmlNs(namespaceURI = "http://www.govtalk.gov.uk/schemas/govtalk/core", prefix = "gt"),
@XmlNs(namespaceURI = "http://www.w3.org/2001/XMLSchema-instance" , prefix="xsi")
},
location = "http://www.govtalk.gov.uk/CM/envelope http://xmlgw.companieshouse.gov.uk/v1-0/schema/Egov_ch-v2-0.xsd",
elementFormDefault = javax.xml.bind.annotation.XmlNsForm.QUALIFIED)
package com.xx.gateway;
import javax.xml.bind.annotation.XmlNs;
import javax.xml.bind.annotation.XmlSchema;
FormSubmission package-info.java ：
@XmlSchema(namespace = "",
xmlns = {
@XmlNs(namespaceURI = "http://xmlgw.companieshouse.gov.uk", prefix = "bs"),
@XmlNs(namespaceURI = "http://xmlgw.companieshouse.gov.uk/Header", prefix = ""),
@XmlNs(namespaceURI = "http://www.w3.org/2001/XMLSchema-instance" , prefix="xsi")
},
// location ="http://xmlgw.companieshouse.gov.uk/Header http://xmlgw.companieshouse.gov.uk/v2-1/schema/forms/FormSubmission-v2-7.xsd" ,
//@javax.xml.bind.annotation.XmlSchema(namespace = "http://xmlgw.companieshouse.gov.uk/Header",
elementFormDefault = javax.xml.bind.annotation.XmlNsForm.QUALIFIED)
package com.xx.formsubmission;
import javax.xml.bind.annotation.XmlNs;
如何在網關需要的位置生成schemalocations和xmlns ？
3 個解決方案
解決方案1
1 2013-08-04 04:02:43
您需要在包上使用@XmlSchema批注。
您可以通過將package-info.java添加到與JAXB注釋的類相同的軟件包中來實現。
有關示例，請參見Javadoc： http : //docs.oracle.com/javaee/6/api/javax/xml/bind/annotation/XmlSchema.html
解決方案2
0 2013-08-06 00:51:24
您可以在Marshaller.JAXB_SCHEMA_LOCATION上設置Marshaller以輸出schemaLocation ：
marshaller.setProperty(Marshaller.JAXB_SCHEMA_LOCATION, "http://www.example.com/address address.xsd")
欲獲得更多信息
解決方案3
0 已采納 2013-09-07 12:22:10
通過在相應的@XmlRootElement類中添加@XmlAttribute ，可以解決此問題。
@XmlAttribute(name="namespace_name")
public String namespace_value="xxxxxxxxxx";
jaxb-具有完整Java包的封送根元素
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