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[英]How can I unmarshal a deeper element in XML without unmarshalling the parents?
[英]Can I unmarshal a single xml property to a multi element array?
给出以下xml代码:
<root>
<vector>{1, 2, 3, 4, 5}</vector>
</root>
是否可以将元素<vector>
解组为5个元素的数组,例如:
array = {1, 2, 3, 4, 5}
在尝试执行此操作时,我编写了一些代码,但未能正确地将<vector>
拆分为每个数字都是单独元素的数组:
@XmlType(propOrder = {"vector"})
@XmlRootElement(name = "root")
public class Data
{
// class data
private int[] vector;
@XmlElement(name = "vector")
public void setVector(int[] vector)
{
this.vector = vector;
}
public int[] getVector()
{
return vector;
}
}
您需要一个XmlAdapter,如下所示:
public class VectorAdapter extends XmlAdapter<String, int[]> {
@Override
public int[] unmarshal(final String v) throws Exception {
final String[] strs = v.substring(1, v.length() - 1).split(",");
final int[] vector = new int[strs.length];
for (int i = 0; i < strs.length; i++) {
vector[i] = Integer.parseInt(strs[i].trim());
}
return vector;
}
@Override
public String marshal(final int[] v) throws Exception {
return null;
}
}
然后使用@XmlJavaTypeAdapter注释元素:
@XmlJavaTypeAdapter(VectorAdapter.class)
@XmlElement(name = "vector")
public void setVector(final int[] vector) {
this.vector = vector;
}
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