package com.wistron.wh.swpc.portal.uitl;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpDelete;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.apache.log4j.Logger;
import com.wistron.swpc.framework.exception.SystemException;
/**
* 調用webservice的工具,封裝了post,get,put,delete方法調用webservice
*
*/
public class WebServiceUtil {
// 日志记录器
private static Logger logger = Logger.getLogger(WebServiceUtil.class);
/*
* public static String postByMap(String url, Map<String, Object> pv) throws
* SystemException{ logger.debug(String.format("Request url:%s", url));
* String responseMsg = ""; PostMethod postMethod = null; try { HttpClient
* httpClient = new HttpClient();
* httpClient.getParams().setContentCharset("utf-8"); postMethod = new
* PostMethod(url);
*
* Set<String> set = pv.keySet(); Iterator<String> it = set.iterator();
* while (it.hasNext()) { String key = it.next(); Object value =
* pv.get(key); if(null != value) postMethod.addParameter(key,
* value.toString()); else postMethod.addParameter(key, ""); }
*
* httpClient.executeMethod(postMethod);// 200 responseMsg =
* postMethod.getResponseBodyAsString().trim(); } catch(Exception e){ throw
* new SystemException("webservice请求异常",e ); } finally {
* postMethod.releaseConnection(); }
*
* return responseMsg; }
*/
/**
* post调用
*
* @param url
* @param xml
* @return
* @throws SystemException
*/
public static String postMethodInvoke(String url, String xml)
throws SystemException {
logger.debug(String.format("Request url:%s", url));
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpPost httppost = new HttpPost(url);
String responseMsg = null;
try {
HttpEntity re = new StringEntity(xml, "utf-8");
httppost.setHeader("Content-Type", "application/xml;charset=utf-8");
httppost.setEntity(re);
HttpResponse response = httpClient.execute(httppost);
HttpEntity entity = response.getEntity();
responseMsg = EntityUtils.toString(entity, "utf-8");
} catch (Exception e) {
throw new SystemException("webservice请求异常", e);
} finally {
httpClient.getConnectionManager().shutdown();
}
return responseMsg;
}
/**
* get调用
*
* @param url
* @return
* @throws Exception
*/
public static String getMethodInvoke(String url) throws Exception {
logger.debug(String.format("Request url:%s", url));
String responseMsg = "";
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpGet httpget = new HttpGet(url);
try {
httpget.setHeader("Content-Type", "application/xml; charset=utf-8");
HttpResponse response = httpClient.execute(httpget);
HttpEntity entity = response.getEntity();
responseMsg = EntityUtils.toString(entity, "utf-8");
} catch (Exception e) {
throw new SystemException("webservice请求异常", e);
} finally {
httpClient.getConnectionManager().shutdown();
}
return responseMsg;
}
/**
* put
*
* @param url
* @param xml
* @return
* @throws SystemException
*/
public static String putMethodInvoke(String url, String xml)
throws SystemException {
logger.debug(String.format("Request url:%s", url));
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpPut httpput = new HttpPut(url);
String state = null;
try {
HttpEntity re = new StringEntity(xml);
httpput.setHeader("Content-Type", "charset=utf-8");
httpput.setEntity(re);
HttpResponse response = httpClient.execute(httpput);
state = EntityUtils.toString(response.getEntity());
} catch (Exception e) {
throw new SystemException("webservice请求异常", e);
} finally {
httpClient.getConnectionManager().shutdown();
}
return state;
}
/**
* delete
*
* @param url
* @return
* @throws Exception
*/
public static String deleteMethodInvoke(String url) throws Exception {
logger.debug(String.format("Request url:%s", url));
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpDelete httpdelete = new HttpDelete(url);
String state = null;
try {
httpdelete.setHeader("Content-Type", "charset=utf-8");
HttpResponse response = httpClient.execute(httpdelete);
state = EntityUtils.toString(response.getEntity());
} catch (Exception e) {
throw new SystemException("webservice请求异常", e);
} finally {
httpClient.getConnectionManager().shutdown();
}
return state;
}
/**
* post 文件下载
*
* @param url
* @param file
* @return
* @throws SystemException
*/
public static String postUploadMethodInvoke(String url, File file)
throws SystemException {
logger.debug(String.format("Request url:%s", url));
DefaultHttpClient httpClient = new DefaultHttpClient();
String state = null;
FileInputStream fis = null;
BufferedInputStream in = null;
try {
HttpPost httppost = new HttpPost(url);
fis = new FileInputStream(file);
in = new BufferedInputStream(fis);
HttpEntity re = new InputStreamEntity(in, file.length(),
ContentType.MULTIPART_FORM_DATA);
httppost.setHeader("Content-Type", "charset=utf-8");
httppost.setHeader("enctype", "multipart/form-data'");
httppost.setEntity(re);
HttpResponse response = httpClient.execute(httppost);
HttpEntity e = response.getEntity();
state = EntityUtils.toString(e == null ? new StringEntity("") : e);
} catch (Exception e) {
throw new SystemException("webservice请求异常", e);
} finally {
try {
if (in != null) {
in.close();
}
if (fis != null) {
fis.close();
}
httpClient.getConnectionManager().shutdown();
} catch (IOException e) {
throw new SystemException("webservice请求异常", e);
}
}
return state;
}
}