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bboss http an http cluster lb component.
package org.frameworkset.spi.remote.http;
/**
* Copyright 2022 bboss
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import com.frameworkset.util.SimpleStringUtil;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.impl.io.EmptyInputStream;
import org.apache.http.util.EntityUtils;
import org.frameworkset.spi.remote.http.proxy.BBossEntityUtils;
import org.frameworkset.spi.remote.http.proxy.HttpProxyRequestException;
import org.frameworkset.spi.remote.http.proxy.InvokeContext;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
*
Description:
*
* Copyright (c) 2020
* @Date 2022/5/28
* @author biaoping.yin
* @version 1.0
*/
public class ResponseUtil {
private static Logger logger = LoggerFactory.getLogger(ResponseUtil.class);
public static Map handleMapResponse(String url,HttpResponse response,Class keyType,Class beanType)
throws ClientProtocolException, IOException {
int status = response.getStatusLine().getStatusCode();
if (org.frameworkset.spi.remote.http.ResponseUtil.isHttpStatusOK( status)) {
HttpEntity entity = response.getEntity();
return entity != null ? converJson2Map( entity, keyType, beanType) : null;
} else {
HttpEntity entity = response.getEntity();
if (entity != null ) {
if (logger.isDebugEnabled()) {
logger.debug(new StringBuilder().append("Request url:").append(url).append(",status:").append(status).toString());
}
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",status:").append(status).append(",error:").append(EntityUtils.toString(entity)).toString());
}
else
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",Unexpected response status: ").append( status).toString());
}
}
public static List handleListResponse(String url,HttpResponse response, Class resultType)
throws ClientProtocolException, IOException {
int status = response.getStatusLine().getStatusCode();
if (org.frameworkset.spi.remote.http.ResponseUtil.isHttpStatusOK( status)) {
HttpEntity entity = response.getEntity();
return entity != null ? converJson2List( entity, resultType) : null;
} else {
HttpEntity entity = response.getEntity();
if (entity != null ) {
if (logger.isDebugEnabled()) {
logger.debug(new StringBuilder().append("Request url:").append(url).append(",status:").append(status).toString());
}
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",status:").append(status).append(",error:").append(EntityUtils.toString(entity)).toString());
}
else
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",Unexpected response status: ").append( status).toString());
}
}
public static Set handleSetResponse(String url,HttpResponse response, Class resultType)
throws IOException {
int status = response.getStatusLine().getStatusCode();
if (org.frameworkset.spi.remote.http.ResponseUtil.isHttpStatusOK( status)) {
HttpEntity entity = response.getEntity();
return entity != null ? converJson2Set( entity, resultType) : null;
} else {
HttpEntity entity = response.getEntity();
if (entity != null ) {
if (logger.isDebugEnabled()) {
logger.debug(new StringBuilder().append("Request url:").append(url).append(",status:").append(status).toString());
}
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",status:").append(status).append(",error:").append(EntityUtils.toString(entity)).toString());
}
else
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",Unexpected response status: ").append( status).toString());
}
}
public static String handleStringResponse(String url, HttpResponse response, InvokeContext invokeContext)
throws IOException {
if(invokeContext == null || invokeContext.getResponseCharset() == null)
return handleStringResponse( url, response);
int status = response.getStatusLine().getStatusCode();
if (org.frameworkset.spi.remote.http.ResponseUtil.isHttpStatusOK( status)) {
HttpEntity entity = response.getEntity();
return entity != null ? BBossEntityUtils.toString(entity,invokeContext.getResponseCharset()) : null;
} else {
HttpEntity entity = response.getEntity();
if (entity != null )
throw new HttpProxyRequestException(new StringBuilder().append("send request to ")
.append(url).append(" failed,").append("status=").append(status).append(":")
.append(BBossEntityUtils.toString(entity,invokeContext.getResponseCharset())).toString());
else
throw new HttpProxyRequestException(new StringBuilder().append("send request to ")
.append(url).append(",Unexpected response status: " ).append( status).toString());
}
}
public static String handleStringResponse(String url, HttpResponse response)
throws IOException {
int status = response.getStatusLine().getStatusCode();
if (org.frameworkset.spi.remote.http.ResponseUtil.isHttpStatusOK( status)) {
HttpEntity entity = response.getEntity();
return entity != null ? BBossEntityUtils.toString(entity) : null;
} else {
HttpEntity entity = response.getEntity();
if (entity != null )
throw new HttpProxyRequestException(new StringBuilder().append("send request to ")
.append(url).append(" failed,").append("status=").append(status).append(":")
.append(BBossEntityUtils.toString(entity)).toString());
else
throw new HttpProxyRequestException(new StringBuilder().append("send request to ").append(url).append(",Unexpected response status: " ).append( status).toString());
}
}
public static T handleResponse(String url,HttpResponse response, Class resultType)
throws IOException {
if(resultType != null ){
if(resultType.isAssignableFrom(String.class)) {
return (T) handleStringResponse(url, response);
}
else if(resultType.isAssignableFrom(Integer.class) ) {
String value = handleStringResponse(url, response);
if(value == null){
return null;
}
else{
return (T)Integer.valueOf(Integer.parseInt(value));
}
}
else if(resultType.isAssignableFrom(int.class)) {
String value = handleStringResponse(url, response);
if(value == null){
return (T)new Integer(0);
}
else{
return (T)Integer.valueOf(Integer.parseInt(value));
}
}
else if(resultType.isAssignableFrom(Long.class) ) {
String value = handleStringResponse(url, response);
if(value == null){
return null;
}
else{
return (T)Long.valueOf(Long.parseLong(value));
}
}
else if(resultType.isAssignableFrom(long.class)) {
String value = handleStringResponse(url, response);
if(value == null){
return (T)new Long(0l);
}
else{
return (T)Long.valueOf(Long.parseLong(value));
}
}
else if(resultType.isAssignableFrom(Short.class) ) {
String value = handleStringResponse(url, response);
if(value == null){
return null;
}
else{
return (T)Short.valueOf(Short.parseShort(value));
}
}
else if(resultType.isAssignableFrom(short.class)) {
String value = handleStringResponse(url, response);
if(value == null){
return (T)new Short((short)0);
}
else{
return (T)Short.valueOf(Short.parseShort(value));
}
}
else if(resultType.isAssignableFrom(Float.class) ) {
String value = handleStringResponse(url, response);
if(value == null){
return null;
}
else{
return (T)Float.valueOf(Float.parseFloat(value));
}
}
else if(resultType.isAssignableFrom(float.class)) {
String value = handleStringResponse(url, response);
if(value == null){
return (T)new Float(0f);
}
else{
return (T)Float.valueOf(Float.parseFloat(value));
}
}
else if(resultType.isAssignableFrom(Double.class) ) {
String value = handleStringResponse(url, response);
if(value == null){
return null;
}
else{
return (T)Double.valueOf(Double.parseDouble(value));
}
}
else if(resultType.isAssignableFrom(double.class)) {
String value = handleStringResponse(url, response);
if(value == null){
return (T)new Double(0d);
}
else{
return (T)Double.valueOf(Double.parseDouble(value));
}
}
else if(resultType.isAssignableFrom(Boolean.class) ) {
String value = handleStringResponse(url, response);
if(value == null){
return null;
}
else{
return (T)Boolean.valueOf(Boolean.parseBoolean(value));
}
}
else if(resultType.isAssignableFrom(boolean.class)) {
String value = handleStringResponse(url, response);
if(value == null){
return (T)new Boolean(false);
}
else{
return (T)Boolean.valueOf(Boolean.parseBoolean(value));
}
}
}
int status = response.getStatusLine().getStatusCode();
if (org.frameworkset.spi.remote.http.ResponseUtil.isHttpStatusOK( status)) {
HttpEntity entity = response.getEntity();
return entity != null ? converJson( entity, resultType) : null;
} else {
HttpEntity entity = response.getEntity();
if (entity != null ) {
if (logger.isDebugEnabled()) {
logger.debug(new StringBuilder().append("Request url:").append(url).append(",status:").append(status).toString());
}
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",error,").append("status=").append(status).append(":").append(EntityUtils.toString(entity)).toString());
}
else
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",Unexpected response status: ").append( status).toString());
}
}
/**
* 2xx状态为正常状态
* @param status
* @return
*/
public static boolean isHttpStatusOK(int status){
return status >= 200 && status < 300;
}
public static D handleResponse(String url,HttpResponse response,Class containType, Class resultType)
throws IOException {
int status = response.getStatusLine().getStatusCode();
if (org.frameworkset.spi.remote.http.ResponseUtil.isHttpStatusOK( status)) {
HttpEntity entity = response.getEntity();
return entity != null ? converJson( entity, containType, resultType) : null;
} else {
HttpEntity entity = response.getEntity();
if (entity != null ) {
if (logger.isDebugEnabled()) {
logger.debug(new StringBuilder().append("Request url:").append(url).append(",status:").append(status).toString());
}
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",error,").append("status=").append(status).append(":").append(EntityUtils.toString(entity)).toString());
}
else
throw new HttpProxyRequestException(new StringBuilder().append("Request url:").append(url).append(",Unexpected response status: ").append( status).toString());
}
}
public static boolean entityEmpty(HttpEntity entity,InputStream inputStream) throws IOException {
// long contentLength = entity.getContentLength();
// if(contentLength <= 0){
// return true;
// }
if(inputStream instanceof EmptyInputStream)
return true;
return false;
}
public static T converJson(HttpEntity entity, Class clazz) throws IOException {
InputStream inputStream = null;
T var4;
try {
inputStream = entity.getContent();
if(entityEmpty(entity,inputStream)){
return null;
}
var4 = SimpleStringUtil.json2Object(inputStream, clazz);
} finally {
inputStream.close();
}
return var4;
}
public static D converJson(HttpEntity entity, Class containType ,Class clazz) throws IOException {
InputStream inputStream = null;
D var4;
try {
inputStream = entity.getContent();
if(entityEmpty(entity,inputStream)){
return null;
}
var4 = SimpleStringUtil.json2TypeObject(inputStream,containType, clazz);
} finally {
inputStream.close();
}
return var4;
}
public static List converJson2List(HttpEntity entity, Class clazz) throws IOException {
InputStream inputStream = null;
List var4 = null;
try {
inputStream = entity.getContent();
if(entityEmpty(entity,inputStream)){
return null;
}
var4 = SimpleStringUtil.json2ListObject(inputStream, clazz);
} finally {
if(inputStream != null)
inputStream.close();
}
return var4;
}
public static Set converJson2Set(HttpEntity entity, Class clazz) throws IOException {
InputStream inputStream = null;
Set var4;
try {
inputStream = entity.getContent();
if(entityEmpty(entity,inputStream)){
return null;
}
var4 = SimpleStringUtil.json2LSetObject(inputStream, clazz);
} finally {
inputStream.close();
}
return var4;
}
public static Map converJson2Map(HttpEntity entity, Class keyType, Class beanType) throws IOException {
InputStream inputStream = null;
Map var4;
try {
inputStream = entity.getContent();
if(entityEmpty(entity,inputStream)){
return null;
}
var4 = SimpleStringUtil.json2LHashObject(inputStream, keyType, beanType);
} finally {
inputStream.close();
}
return var4;
}
}