/**
* 发生Get请求
*
* @param url 请求url
* @return
* @throws PortalException [参数说明]
* @return String [返回类型说明]
* @exception throws [违例类型] [违例说明]
* @see [类、类#方法、类#成员]
*/
public String get(String url) {
GetMethod httpMethod = new GetMethod(url);
// 设置header信息，传输XML格式的
httpMethod.setRequestHeader(CONTENT_TYPE_NAME, CONTENT_TYPE_VALUE_XML_UTF_8);
// 获取响应报文
String response = null;
try {
// 处理响应结果码
int resultCode = httpClient.executeMethod(httpMethod);
if (HttpStatus.SC_OK == resultCode) {
byte[] resBody = httpMethod.getResponseBody();
if (null != resBody && resBody.length > 0) {
response = new String(resBody, UTF_8);
} else {
LogUtil.error("Http resultCode=200, but responseBody is empty.");
}
} else {
LogUtil.error("Http resultCode=" + resultCode);
}
} catch (Exception ex) {
LogUtil.error("send http request error.", ex);
} finally {
if (null != httpMethod) {
httpMethod.releaseConnection();
}
}
return response;
}
/**
* 发送http请求，并返回响应的xml报文 <功能详细描述>
*
* @param url http请求url
* @param xml 请求xml报文
* @return
*/
private String send(HttpMethod httpMethod) {
// 获取响应报文
String response = null;
int resultCode = HttpStatus.SC_OK;
try {
// 设置header信息，传输XML格式的
httpMethod.setRequestHeader(CONTENT_TYPE_NAME, CONTENT_TYPE_VALUE_XML_UTF_8);
// 处理响应结果码
resultCode = httpClient.executeMethod(httpMethod);
if (HttpStatus.SC_OK == resultCode) {
byte[] resBody = httpMethod.getResponseBody();
if (null != resBody && resBody.length > 0) {
response = new String(resBody, UTF_8);
}
} else {
response = resultCode + "";
LogUtil.error("Http response: " + httpMethod.getResponseBodyAsString());
}
} catch (Exception ex) {
response = ex.toString();
LogUtil.error("send http request error!", ex);
} finally {
if (null != httpMethod) {
httpMethod.releaseConnection();
}
}
return response;
}
/**
* 发送http请求，并返回响应的xml报文 <功能详细描述>
*
* @param url http请求url
* @param xml 请求xml报文
* @return
*/
public String post(String url, String xml) {
EntityEnclosingMethod httpMethod = new PostMethod(url);
// 发送含xml消息体的对象
try {
RequestEntity entity = new StringRequestEntity(xml, TEXT_XML, UTF_8);
httpMethod.setRequestEntity(entity);
} catch (UnsupportedEncodingException e) {
LogUtil.error(e.getMessage(), e);
}
return send(httpMethod);
}
/**
* 得到临时目录
*
* @return
*/
public static String getTmpPath() {
String tmp = System.getProperty("java.io.tmpdir");
if (tmp == null) {
tmp = getWebRoot() + File.separator + "tmp";
File file = new File(tmp);
if (!file.exists()) {
try {
file.mkdir();
} catch (RuntimeException e) {
LogUtil.error(e);
}
}
}
return tmp;
}
public static String getBundledPath(String path) {
Bundle bundle = Activator.getDefault().getBundle();
if (bundle == null) {
LogUtil.info("getBundlePath(" + path + " bundle is null");
return "";
}
try {
URL location = FileLocator.toFileURL(bundle.getEntry("/"));
File file = new File(location.getPath(), path);
LogUtil.info("BundledPath: " + file.getAbsolutePath());
return file.getAbsolutePath();
} catch (Exception ex) {
LogUtil.error(ex);
return "";
}
}
/**
* 发送http请求，并返回响应的xml报文 <功能详细描述>
*
* @param url http请求url
* @param xml 请求xml报文
* @return
*/
public String postJson(String strURL, String json) {
try {
URL url = new URL(strURL); // 创建连接
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setDoInput(true);
connection.setUseCaches(false);
connection.setInstanceFollowRedirects(true);
connection.setRequestMethod("POST"); // 设置请求方式
connection.setRequestProperty("Accept", APPLICATION_JSON); // 设置接收数据的格式
connection.setRequestProperty("Content-Type", CONTENT_TYPE_VALUE_TEXT_JSON); // 设置发送数据的格式
connection.connect();
OutputStreamWriter out =
new OutputStreamWriter(connection.getOutputStream(), "UTF-8"); // utf-8编码
out.append(json);
out.flush();
out.close();
// 读取响应
int length = (int) connection.getContentLength(); // 获取长度
InputStream is = connection.getInputStream();
if (length != -1) {
byte[] data = new byte[length];
byte[] temp = new byte[512];
int readLen = 0;
int destPos = 0;
while ((readLen = is.read(temp)) > 0) {
System.arraycopy(temp, 0, data, destPos, readLen);
destPos += readLen;
}
String result = new String(data, "UTF-8"); // utf-8编码
return result;
}
} catch (Exception e) {
LogUtil.error(e.getMessage(), e);
}
return "error"; // 自定义错误信息
}
