/**
* 设置请求参数<br>
* 如果想提交一段字符串<br>
* 那么需要将header中的content-type设置成非application/x-www-form-urlencoded;<br>
* 将字符串放到postdata中参数名postdata
*
* @param method
* @param postdata
* @param headers
* @return
*/
protected RequestBuilder selectRequestMethod(
String method, Map<String, String> postdata, Map<String, String> headers) {
if (method == null || method.equalsIgnoreCase("get")) {
return RequestBuilder.get();
} else if (method.equalsIgnoreCase("post")) {
RequestBuilder requestBuilder = RequestBuilder.post();
if (postdata != null) {
String contenttype = "application/x-www-form-urlencoded; charset=UTF-8";
if (headers != null && headers.size() > 0) {
for (String ksy : headers.keySet()) {
if ("Content-Type".equalsIgnoreCase(ksy)) {
contenttype = headers.get(ksy).toLowerCase().trim();
break;
}
}
}
String charset = ""; // 提交数据的传输编码
if (contenttype.contains("charset")) {
// 如果在请求的编码中，存在网页编码，那么提取改编码
String ncharset =
contenttype.substring(contenttype.lastIndexOf("=") + 1, contenttype.length());
// 如果提取到的编码合法那么使用该编码
if (checkCharset(ncharset)) {
charset = ncharset;
}
}
// 如果编码为空或不存在，在提交数据中提取编码
if (null == charset || "".equals(charset)) {
charset = postdata.get("charset"); // 提交数据的传输编码
}
if (null == charset || "".equals(charset)) {
charset = "UTF-8"; // 提交数据的传输编码
}
if ("".equals(contenttype) || contenttype.toLowerCase().contains("x-www-form-urlencoded")) {
List<NameValuePair> formParams = new ArrayList<NameValuePair>();
for (String str : postdata.keySet()) {
NameValuePair n = new BasicNameValuePair(str, postdata.get(str));
formParams.add(n);
}
HttpEntity entity = null;
try {
entity = new UrlEncodedFormEntity(formParams, charset);
} catch (UnsupportedEncodingException e) {
log.error(e.getMessage(), e);
}
requestBuilder.setEntity(entity);
} else {
log.info("post Content-Type : [ " + contenttype + " ] , pay attention to it .");
String pstdata = postdata.get("postdata"); // 提交的数据
if ("".equals(pstdata) || pstdata == null) {
pstdata = postdata.get(""); // 提交的数据
}
if (pstdata == null) {
pstdata = "";
}
StringEntity entity = new StringEntity(pstdata, charset); // 解决中文乱码问题
entity.setContentEncoding(charset);
entity.setContentType(contenttype);
entity.setChunked(true);
requestBuilder.setEntity(entity);
}
} else {
log.warn("The Method Is Post,But No Post Data .");
}
return requestBuilder;
} else if (method.equalsIgnoreCase("head")) {
return RequestBuilder.head();
} else if (method.equalsIgnoreCase("put")) {
return RequestBuilder.put();
} else if (method.equalsIgnoreCase("delete")) {
return RequestBuilder.delete();
} else if (method.equalsIgnoreCase("trace")) {
return RequestBuilder.trace();
}
throw new IllegalArgumentException("Illegal HTTP Method " + method);
}
