/**
* 日 期：12-5-29
*/
package com.rop.marshaller;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.dataformat.xml.XmlMapper;
import com.fasterxml.jackson.dataformat.xml.ser.ToXmlGenerator;
import com.rop.MessageFormat;
import com.rop.RopException;
import com.rop.RopMarshaller;
import com.rop.RopRequest;
import org.codehaus.jackson.JsonEncoding;
import org.codehaus.jackson.JsonGenerator;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.map.SerializationConfig;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.Map;
/**
* <pre>
* 对请求响应的对象转成相应的报文。
* </pre>
*
* @author 陈雄华
* @version 1.0
*/
public class MessageMarshallerUtils {
protected static final Logger logger = LoggerFactory.getLogger(MessageMarshallerUtils.class);
private static final String UTF_8 = "utf-8";
private static ObjectMapper jsonObjectMapper = new ObjectMapper();
private static RopMarshaller xmlRopResponseMarshaller = new JaxbXmlRopMarshaller();
static {
SerializationConfig serializationConfig = jsonObjectMapper.getSerializationConfig();
serializationConfig = serializationConfig.without(SerializationConfig.Feature.WRAP_ROOT_VALUE)
.with(SerializationConfig.Feature.INDENT_OUTPUT);
}
private static XmlMapper xmlObjectMapper = new XmlMapper();
static {
xmlObjectMapper.configure(ToXmlGenerator.Feature.WRITE_XML_DECLARATION, false);
xmlObjectMapper.configure(SerializationFeature.WRAP_ROOT_VALUE, false);
}
/**
* 将请求对象转换为String
*
* @param request
* @param format
* @return
*/
public static String getMessage(RopRequest request, MessageFormat format) {
try {
ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
if (format == MessageFormat.json) {
if (request.getRopRequestContext() != null) {
jsonObjectMapper.writeValue(bos, request.getRopRequestContext().getAllParams());
} else {
return "";
}
} else {
if (request.getRopRequestContext() != null) {
xmlObjectMapper.writeValue(bos, request.getRopRequestContext().getAllParams());
} else {
return "";
}
}
return bos.toString(UTF_8);
} catch (Exception e) {
throw new RopException(e);
}
}
/**
* 将请求对象转换为String
*
* @param request
* @param format
* @return
*/
public static String asUrlString(RopRequest request) {
Map<String, String> allParams = request.getRopRequestContext().getAllParams();
StringBuilder sb = new StringBuilder(256);
boolean first = true;
for (Map.Entry<String, String> entry : allParams.entrySet()) {
if (!first) {
sb.append("&");
}
first = false;
sb.append(entry.getKey());
sb.append("=");
sb.append(entry.getValue());
}
return sb.toString();
}
/**
* 将{@link RopRequest}转换为字符串
*
* @param object
* @param format
* @return
*/
public static String getMessage(Object object, MessageFormat format) {
ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
try {
if (format == MessageFormat.json) {
JsonGenerator jsonGenerator = jsonObjectMapper.getJsonFactory().createJsonGenerator(bos, JsonEncoding.UTF8);
jsonObjectMapper.writeValue(jsonGenerator, object);
} else {
xmlRopResponseMarshaller.marshaller(object, bos);
}
return bos.toString(UTF_8);
} catch (Throwable e) {
throw new RopException(e);
} finally {
try {
bos.close();
} catch (IOException ee) {
logger.error("消息转换异常", ee);
}
}
}
}