package com.tenwa.sdk.utils;


import java.io.OutputStream;
import java.io.Writer;

import com.thoughtworks.xstream.XStream;

public class XMLStream extends XStream {

	// XML的声明
	public String getDeclaration() {
		return "<?xml   version=\"1.0\" encoding=\"GBK\"?>\n";
	}

	@Override
	public void toXML(Object obj, OutputStream output) {
		try {
			String dec = this.getDeclaration();
			byte[] bytesOfDec = dec.getBytes("UTF-8");
			output.write(bytesOfDec);
		} catch (Exception e) {
			throw new RuntimeException("error", e);
		}
		super.toXML(obj, output);
	}

	@Override
	public void toXML(Object obj, Writer writer) {
		try {
			writer.write(getDeclaration());
		} catch (Exception e) {
			throw new RuntimeException("error", e);
		}
		super.toXML(obj, writer);
	}
//	@Override
//    protected MapperWrapper wrapMapper(MapperWrapper next) {
//        return new MapperWrapper(next) {
//            @Override
//            public boolean shouldSerializeMember(@SuppressWarnings("rawtypes") Class definedIn, String fieldName) {
//                // 不能识别的节点，掠过。
//                if (definedIn == Object.class) {
//                    return false;
//                }
//                // 节点名称为fileName的掠过
//                if (fieldName.equals("dcPayReqxList")) {
//                    return false;
//                }
//                return super.shouldSerializeMember(definedIn, fieldName);
//            }
//        };
//    }
	
	

}