简要问题的实质:
1)如何在Chrome中的其他xml中将一个xml(应该由CDATA包装)对齐?
2)如何避免将“<”转换为“& lt;”和“>”转换为在编组期间“& gt;”?
更多详情:
我需要将XML发送到外部服务器
此XML应采用以下格式:
<root>
<element1>some value</element1>
<element2>
<![CDATA[<?xml version="1.0" encoding="UTF-8" ?>
<innerXlmElement>
<item>
<itemElement1>1</itemElement1>
<itemElement2>1</itemElement2>
</item>
...
<item>
<itemElement1>n</itemElement1>
<itemElement2>n</itemElement2>
</item>
</innerXlmElement>]]>
</element2>
</root>
这是外部XML中的一个元素应该是另一个XML,由CDATA包装。
首先我做了以下bean:
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement(name = "root")
public class Req {
protected String element1;
protected Element2 element2;
@XmlElement(name = "element1")
public String getElement1() {
return element1;
}
public void setElement1(String element1) {
this.element1 = element1;
}
@XmlElement(name = "element2")
public Element2 geElement2() {
return element2;
}
public void setElement2(Element2 element2) {
this.element2 = element2;
}
public static class Element2{
protected InnerXlmElement innerXlmElement;
@XmlElement(name = "innerXlmElement")
public InnerXlmElement getInnerXlmElement() {
return innerXlmElement;
}
public void setInnerXlmElement(InnerXlmElement innerXlmElement) {
this.innerXlmElement = innerXlmElement;
}
public static class InnerXlmElement{
protected Item[] item;
@XmlElement(name = "item")
public Item[] getItem() {
return item;
}
public void setItem(Item[] item) {
this.item = item;
}
public static class Item{
protected String itemElement1;
protected String itemElement2;
@XmlElement(name = "itemElement1")
public String getItemElement1() {
return itemElement1;
}
public void setItemElement1(String itemElement1) {
this.svcId = itemElement1;
}
@XmlElement(name = "itemElement2")
public String getItemElement2() {
return itemElement2;
}
public void setItemElement2(String itemElement2) {
this.itemElement2 = itemElement2;
}
}
}
生成的XML,在请求期间已发送到外部服务器,如下所示:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<root>
<element1>3324</element1>
<element2>
<innerXlmElement>
<item>
<itemElement1>1</itemElement1>
<itemElement2>2</itemElement2>
</item>
</innerXlmElement>
</element2>
</root>
当然,生成的内部XML没有被CDATA包装,也没有 第一个标记。
所以,问题是CDATA如何用泽西包裹XML元素?
另外,我试图粗暴地解决这个问题。我手工制作了内部XML并将其放入“Req”bean,如String:
Req req = new Req();
req.setElement1("some value");
StringBuilder element2= new StringBuilder();
xmlServiceInfo.append("<![CDATA[<?xml version=\"1.0\" encoding=\"UTF-8\" ?><innerXlmElement><item><itemElement1>1</itemElement1><itemElement2>2</itemElement2></item></innerXlmElement>]]>");
req.setElement1(element2.toString());
...
在那次操作之后,我有了这样的XML:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<root>
<element1>some value</element1>
<element2>
<![CDATA[<?xml version="1.0" encoding="UTF-8" ?><innerXlmElement><item><itemElement1>1</itemElement1><itemElement1>2</itemElement2></item></innerXlmElement>]]>
</element2>
</root>
有人可以告诉我,如何避免将“&lt;”转换为“&amp; lt;”和“&gt;”在编组期间进入“&amp; gt;”?
----------更新(14.01.14)----------
我试过"JAXB use String as it is" solution
所以,首先我将element2的类型更改为String,并在我的请求bean中添加了@XmlAnyElement注释:
import javax.xml.bind.annotation.XmlElement;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement(name = "root")
public class Req {
protected String element1;
protected String element2;
@XmlElement(name = "element1")
public String getElement1() {
return element1;
}
public void setElement1(String element1) {
this.element1 = element1;
}
@XmlAnyElement(value=CDATAHandler.class)
public String getElement2() {
return element2;
}
public void setElement2(String element2) {
this.element2 = element2;
}
然后我自己实现了DomHandler as shown here:
public class CDATAHandler implements DomHandler<String, StreamResult> {
private static final String START_TAG = "<![CDATA[<?xml version=\"1.0\" encoding=\"UTF-8\" ?>";
private static final String END_TAG = "]]>";
private StringWriter xmlWriter = new StringWriter();
public StreamResult createUnmarshaller(ValidationEventHandler errorHandler) {
return new StreamResult(xmlWriter);
}
public String getElement(StreamResult rt) {
String xml = rt.getWriter().toString();
int beginIndex = xml.indexOf(START_TAG) + START_TAG.length();
int endIndex = xml.indexOf(END_TAG);
return xml.substring(beginIndex, endIndex);
}
public Source marshal(String n, ValidationEventHandler errorHandler) {
try {
String xml = START_TAG + n.trim() + END_TAG;
StringReader xmlReader = new StringReader(xml);
return new StreamSource(xmlReader);
} catch(Exception e) {
throw new RuntimeException(e);
}
}
}
在此之后,Jersey变为抛出异常(javax.ws.rs.ProcessingException:HTTP 500内部服务器错误)。这是StackTrace:
org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:226)
org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:655)
org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:652)
org.glassfish.jersey.internal.Errors.process(Errors.java:315)
org.glassfish.jersey.internal.Errors.process(Errors.java:297)
org.glassfish.jersey.internal.Errors.process(Errors.java:228)
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:422)
org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:652)
org.glassfish.jersey.client.JerseyInvocation$Builder.method(JerseyInvocation.java:412)
action.BaseExecutor.execute(BaseExecutor.java:42) [my method, where I invoke Jersey]
...
我将断点放在我的处理程序中的所有方法中,而不是它们不起作用。
如果我删除了@XmlAnyElement注释,一切都会好的(当然,除了Jersey会发送错误的XML,“&amp; lt;”和“&amp; gt;”转义)。
----------更新(15.01.14)----------
我对泽西岛进行了贬值并找到了根本例外:
javax.xml.bind.MarshalException
- with linked exception:
[com.sun.istack.internal.SAXException2: unable to marshal type "java.lang.String" as an element because it is missing an @XmlRootElement annotation]
答案 0 :(得分:0)
通过将Jersey JAXB默认实现更改为MOXy来解决问题。
好的,我想,我可以删除我的问题,因为所有问题,我对我的问题进行了调查,已经在其他几个问题上得到了回答。