让我首先说这是我第一次尝试使用xStream。我想解析一个XML文件并使用数据来构建一个Java对象。我已将xstream-1.4.4.jar,xpp3_min-1.1.4c.jar,xmlpull-1.1.3.1.jar和kxml2-2.3.0.jar添加到我的构建路径中。我试着遵循以下几个教程,但似乎无法弄清楚,为什么我收到此错误:xstream解析器错误: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文件看起来是这样的:
<?xml version="1.0" encoding="ISO-8859-1"?>
<vblock>
<name>vBlock1</name>
<status>online</status>
<storage>2.2</storage>
<cpu>2.5</cpu>
</vblock>
现在,这里是为对象对应的类我想创建:
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;
}
}
最后,实际解析,我尝试:
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());
}
}
我希望能提供任何见解。非常感谢你!
我不确定你在这里是什么意思。我发现这些方法存在,但我不知道如何传递文件,Url或Inputstream。我将如何创建一个文件对象? – unsingefou