使用REST接口连接到数据库：无法连接
问题描述：
我正尝试通过mongolabs在我正在开发的android应用程序中连接到mongodb，但它没有连接，而是抛出异常（或在至少我认为是）。我不熟悉后端，所以如果我犯了一个致命的菜鸟的错误，请原谅我。这是logcat使用REST接口连接到数据库：无法连接
01-10 16：28：50.377：W/System.err（630）：javax.net.ssl.SSLException：证书中的主机名不匹配：！= OR OR> 01 -10 16：28：50.377：W/System.err（630）：at org.apache.http.conn.ssl.AbstractVerifier.verify（AbstractVerifier.java:185）01-10> 16：28：50.388：W/System.err的（630）：在org.apache.http.conn.ssl.BrowserCompatHostnameVerifier.verify（BrowserCompatHostnameVerifier.java:54）
下面是MongoLabHelper类的部分我写来访问数据库并获取项目like names
HttpClient client;
JSONObject db;
MongoLabHelper() throws ClientProtocolException, IOException, JSONException{
client = new DefaultHttpClient();
HttpGet request = new HttpGet("https://api.mongolab.com/api/1/databases/breadcrumbs/collections/crumbs?apiKey=xxxxxxxxxxxxx");
HttpResponse response = client.execute(request);
HttpEntity entity = response.getEntity();
InputStream in = entity.getContent();
String json = in.toString();
db = new JSONObject(json);
}
public String getName(String name) throws JSONException {
JSONObject doc = db.getJSONObject(name);
return doc.getString("name");
}
，这里是部分它在
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
String name = "Crumb Not Available";
MongoLabHelper help;
try {
help = new MongoLabHelper();
name = help.getName("Chipotle");
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
setContentView(R.layout.breadcrumb);
TextView crumbName = (TextView) findViewById(R.id.crumb_name);
crumbName.setText(name);
答
使用该类实际上，你需要明确设置HttpClient的处理SSL。我相信这个计算器线程有你需要的信息：
我会从线程的代码中的相关位复制的方便：
private HttpClient createHttpClient()
{
HttpParams params = new BasicHttpParams();
HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
HttpProtocolParams.setContentCharset(params, HTTP.DEFAULT_CONTENT_CHARSET);
HttpProtocolParams.setUseExpectContinue(params, true);
SchemeRegistry schReg = new SchemeRegistry();
schReg.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
schReg.register(new Scheme("https", SSLSocketFactory.getSocketFactory(), 443));
ClientConnectionManager conMgr = new ThreadSafeClientConnManager(params, schReg);
return new DefaultHttpClient(conMgr, params);
}
答
作为帮手;
我也实现了Android库来抽象MongoLab通信。
主要目标是使直接从Android应用程序直接利用云中Mongo功能的库变得容易！
注意：我还包括使用MongoLab的自定义ACRA记者。
这里是第一个版本（我会继续扩大）：
- >https://github.com/wareninja/mongolab-sdk
答
你必须从一个应用程序http://lolapriego.com/blog/?p=16
，或者你可以看看这个要点这里的例子在这里你可以看到如何进行HTTP请求的Android
public class CustomHttpClient {
/** The time it takes for our client to timeout */
public static final int HTTP_TIMEOUT = 30 * 1000; // milliseconds
/** Single instance of our HttpClient */
private static HttpClient mHttpClient;
/**
* Get our single instance of our HttpClient object.
*
* @return an HttpClient object with connection parameters set
*/
private static HttpClient getHttpClient() {
if (mHttpClient == null) {
mHttpClient = new DefaultHttpClient();
final HttpParams params = mHttpClient.getParams();
HttpConnectionParams.setConnectionTimeout(params, HTTP_TIMEOUT);
HttpConnectionParams.setSoTimeout(params, HTTP_TIMEOUT);
ConnManagerParams.setTimeout(params, HTTP_TIMEOUT);
}
return mHttpClient;
}
/**
* Performs an HTTP Post request to the specified url with the
* specified parameters.
*
* @param url The web address to post the request to
* @param postParameters The parameters to send via the request
* @return The result of the request
* @throws Exception
*/
public static String executeHttpPost(String url, JSONObject json) throws Exception {
BufferedReader in = null;
try {
HttpClient client = getHttpClient();
HttpPost request = new HttpPost(url);
request.setEntity(new ByteArrayEntity(json.toString().getBytes("UTF-8")));
request.setHeader("Content-Type", "application/json");
HttpResponse response = client.execute(request);
in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
in.close();
String result = sb.toString();
return result;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
/**
* Performs an HTTP GET request to the specified url.
*
* @param url The web address to post the request to
* @return The result of the request
* @throws Exception
*/
public static String executeHttpGet(String url) throws Exception {
BufferedReader in = null;
String data = null;
try {
HttpClient client = getHttpClient();
HttpGet request = new HttpGet();
request.setURI(new URI(url));
HttpResponse response = client.execute(request);
response.getStatusLine().getStatusCode();
in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
StringBuffer sb = new StringBuffer("");
String l = "";
String nl = System.getProperty("line.separator");
while ((l = in.readLine()) !=null){
sb.append(l + nl);
}
in.close();
data = sb.toString();
return data;
} finally{
if (in != null){
try{
in.close();
return data;
}catch (Exception e){
e.printStackTrace();
}
}
}
}
/**
* Performs an HTTP DELETE request to the specified url.
*
* @param url The web address to post the request to
* @return The result of the request
* @throws Exception
*/
public static String executeHttpDelete(String url) throws Exception {
BufferedReader in = null;
String data = null;
try {
HttpClient client = getHttpClient();
HttpDelete request = new HttpDelete();
request.setURI(new URI(url));
HttpResponse response = client.execute(request);
response.getStatusLine().getStatusCode();
in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
StringBuffer sb = new StringBuffer("");
String l = "";
String nl = System.getProperty("line.separator");
while ((l = in.readLine()) !=null){
sb.append(l + nl);
}
in.close();
data = sb.toString();
return data;
} finally{
if (in != null){
try{
in.close();
return data;
}catch (Exception e){
e.printStackTrace();
}
}
}
}
/**
* Performs an HTTP Put request to the specified url with the
* specified parameters.
*
* @param url The web address to post the request to
* @param putParameters The parameters to send via the request
* @return The result of the request
* @throws Exception
*/
public static String executeHttpPut(String url, JSONObject json) throws Exception {
BufferedReader in = null;
try {
HttpClient client = getHttpClient();
HttpPut request = new HttpPut(url);
request.setEntity(new ByteArrayEntity(json.toString().getBytes("UTF-8")));
request.setHeader("Content-Type", "application/json");
HttpResponse response = client.execute(request);
in = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));
StringBuffer sb = new StringBuffer("");
String line = "";
String NL = System.getProperty("line.separator");
while ((line = in.readLine()) != null) {
sb.append(line + NL);
}
in.close();
String result = sb.toString();
return result;
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}