讓我首先說這是我第一次嘗試使用xStream。我想解析一個XML文件並使用數據來構建一個Java對象。我已將xstream-1.4.4.jar,xpp3_min-1.1.4c.jar,xmlpull-1.1.3.1.jar和kxml2-2.3.0.jar添加到我的構建路徑中。我試着遵循以下幾個教程,但似乎無法弄清楚,爲什麼我收到此錯誤:xstream解析器錯誤:java.lang.ArrayIndexOutOfBoundsException:-1
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -1
at com.thoughtworks.xstream.core.util.FastStack.pop(FastStack.java:42)
at com.thoughtworks.xstream.io.xml.AbstractPullReader.move(AbstractPullReader.java:125)
at com.thoughtworks.xstream.io.xml.AbstractPullReader.moveDown(AbstractPullReader.java:103)
at com.thoughtworks.xstream.io.xml.XppReader.<init>(XppReader.java:63)
at com.thoughtworks.xstream.io.xml.AbstractXppDriver.createReader(AbstractXppDriver.java:54)
at com.thoughtworks.xstream.XStream.fromXML(XStream.java:913)
at com.thoughtworks.xstream.XStream.fromXML(XStream.java:904)
at ParseTesting.Testing.main(Testing.java:10)
的xml文件看起來是這樣的:
<?xml version="1.0" encoding="ISO-8859-1"?>
<vblock>
<name>vBlock1</name>
<status>online</status>
<storage>2.2</storage>
<cpu>2.5</cpu>
</vblock>
現在,這裏是爲對象對應的類我想創建:
package ParseTesting;
public class Vblock {
private String name;
private String status;
private double storage;
private double cpu;
/*public Vblock(String n, String stat, double stor, double proc){
name = n;
status = stat;
storage = stor;
cpu = proc;
}*/
public String getName(){
return this.name;
}
public String getStatus(){
return this.status;
}
public double getStorage(){
return this.storage;
}
public double getCpu(){
return this.cpu;
}
}
最後,實際解析,我嘗試:
package ParseTesting;
import com.thoughtworks.xstream.XStream;
public class Testing {
public static XStream xstream = new XStream();
public static void main(String[] args){
xstream.alias("vblock", Vblock.class);
Vblock v1 = (Vblock)xstream.fromXML("vBlock.xml");
System.out.println(v1.getName());
}
}
我希望能提供任何見解。非常感謝你!
我不確定你在這裏是什麼意思。我發現這些方法存在,但我不知道如何傳遞文件,Url或Inputstream。我將如何創建一個文件對象? – unsingefou