如何配置 JAXB 使其默认修剪空白

But I do not want to have to annotate all string fields as per the suggested answer

@XmlElement(required=true)
@XmlJavaTypeAdapter(MyNormalizedStringAdapter.class)
String name;

谢谢！

推荐答案

1. 创建一个 XmlAdapter.

package com.foo.bar;
public class StringTrimAdapter extends XmlAdapter<String, String> {
    @Override
    public String unmarshal(String v) throws Exception {
        if (v == null)
            return null;
        return v.trim();
    }
    @Override
    public String marshal(String v) throws Exception {
        if (v == null)
            return null;
        return v.trim();
    }
}

@XmlJavaTypeAdapter(value=StringTrimAdapter.class,type=String.class)
package com.foo.bar;
import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;