It's a table , My company assemble it,with no wifi no sim，but cable;
Now , how could i get Ipaddress and other configs?
I can't use WifiManager/WifiInfo ...
Because of connected by cable; we can't use WifiManger; i found Linux Shell could help;
but not what i know much.
private String do_exec(String cmd) {
String s = "\n";
try {
String[] cmdline = {"sh", "-c", cmd};
Process p = Runtime.getRuntime().exec(cmdline);
BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
String line = null;
while ((line = in.readLine()) != null) {
s += line + "\n";
}
in.close();
} catch (IOException e) {
e.printStackTrace();
}
Log.e("do_exec", s);
return s;
}
Related
I am writing a program to count words in a file. I am facing problems while parsing .tex files.
This code need to go on a website where it has to count words from the file that is being uploaded. I have managed to do it but I am looing for some better solutions
case "application/x-tex": // Avoid words with '\' and count
Scanner sc1;
try {
sc1 = new Scanner(new URL(URLPath).openStream());
while (sc1.hasNext()) {
String str = sc1.next();
if (!str.contains("\\")) {
System.out.print(str + " ");
wordCount++;
}
}
sc1.close();
} catch (IOException e) {
System.out.println("There was a problem while reading File on the URL");
break;
// e.printStackTrace();
}
if (wordCount <= 0) {
System.out.println("Total count is " + wordCount
+ ". The uploaded File is either empty or it consists of Images only");
} else {
System.out.println("");
System.out.println("**********");
System.out.println("Word Count: " + wordCount);
System.out.println("**********");
System.out.println("");
}
break;
I am expecting a String output which I could further use to count words.
// Trigger perl script
URL website = new URL(URLPath);
Path path = Paths.get("myfile.tex");
bufferFiles.add(new File("myFile.tex"));
try (InputStream in = website.openStream()) {
Files.copy(in, path, StandardCopyOption.REPLACE_EXISTING);
}
URL texcount = new URL("https://papertrue.s3.us-west-1.amazonaws.com/draft/77e3c992-b70f-4711-8b9b-eaf390617bb8");
Path path1 = Paths.get("texcount.pl");
bufferFiles.add(new File("texcount.pl"));
try (InputStream in = texcount.openStream()) {
Files.copy(in, path1, StandardCopyOption.REPLACE_EXISTING);
}
wordCount = 0;
Process process;
try {
process = Runtime.getRuntime().exec("/etc/papertrue/texcount.pl myfile.tex");
InputStream is = process.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String line;
while ((line = br.readLine()) != null) {
String tem[] = line.split(":\\s");
log.debug(tem[tem.length - 1]);
try {
wordCount += Integer.parseInt(tem[tem.length - 1]);
} catch (Exception e) {
}
}
process.waitFor();
if (process.exitValue() == 0) {
log.debug("Command Successful");
} else {
log.debug("Command Failure");
}
log.debug(wordCount);
} catch (IOException e) {
log.debug("There was a problem while reading File on the URL");
e.printStackTrace();
break;
}
i've used below code for notify the sms .
Its working on two blackberry simulator.
I've install the app on my device and send sms from android device.
The sms listener not working on device.
Incoming message received on device. but my app not notify the listener .
What is the problem how to resolve it.
What port number need to give for device?
class BackgroundApplication extends Application implements MessageListener
{
int i=0;
static String suffix;
MessageConnection _mc ;
public BackgroundApplication()
{
try {
_mc = (MessageConnection)Connector.open("sms://:0");
_mc.setMessageListener(this);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void notifyIncomingMessage(MessageConnection conn) {
try {
Message m = _mc.receive();
String address = m.getAddress();
String msg = null;
if ( m instanceof TextMessage )
{
TextMessage tm = (TextMessage)m;
msg = tm.getPayloadText();
}
else if (m instanceof BinaryMessage) {
StringBuffer buf = new StringBuffer();
byte[] data = ((BinaryMessage) m).getPayloadData();
// convert Binary Data to Text
msg = new String(data, "UTF-8");
}
else
System.out.println("Invalid Message Format");
System.out.println("Received SMS text from " + address + " : " + msg);
showDialog("Msg: "+msg);
} catch (Exception e) {
// TODO: handle exception
}
}
private void showDialog(String string) {
synchronized (UiApplication.getEventLock())
{
Status.show(""+string,Bitmap.getPredefinedBitmap(Bitmap.INFORMATION), 5000,
Status.GLOBAL_STATUS, true, false, 1);
}
}
}
Check this
http://supportforums.blackberry.com/t5/Java-Development/Different-ways-to-listen-for-SMS-messages/ta-p/445062
DatagramConnection _dc =
(DatagramConnection)Connector.open("sms://");
for(;;)
{
Datagram d = _dc.newDatagram(_dc.getMaximumLength());
_dc.receive(d);
byte[] bytes = d.getData();
String address = d.getAddress();
String msg = new String(bytes);
System.out.println( "Received SMS text from " + address + " : " + msg);
}
I am using following code for getting contents of a web page
String url = "http://abc.com/qrticket.asp?qrcode="
+ "2554";
try {
url += ";deviceside=true;interface=wifi;ConnectionTimeout=" + 50000;
HttpConnection connection = (HttpConnection) Connector.open(url,
Connector.READ_WRITE);
connection.setRequestMethod(HttpConnection.GET);
// connection.openDataOutputStream();
InputStream is = connection.openDataInputStream();
String res = "";
int chr;
while ((chr = is.read()) != -1) {
res += (char) chr;
}
is.close();
connection.close();
showDialog(parseData(res));
} catch (IOException ex) {
ex.printStackTrace();
showDialog("http: " + ex.getMessage());
} catch (Exception ex) {
ex.printStackTrace();
showDialog("unknown: " + ex.getMessage());
}
public void showDialog(final String text) {
UiApplication.getUiApplication().invokeLater(new Runnable() {
public void run() {
Dialog.alert(text);
}
});
}
public String parseData(String str) {
String[] data = split(str, "//");
StringBuffer builder = new StringBuffer();
for (int i = 0; i < data.length; i++) {
System.out.println("data:" + data[i]);
String[] vals = split(data[i], ">>");
if (vals.length > 1) {
System.out.println(vals[0]);
builder.append(vals[0].trim()).append(": ")
.append(vals[1].trim()).append("\n");
} else {
builder.delete(0, builder.toString().length()).append(
vals[0].trim());
break;
}
}
return builder.toString();
}
public String[] split(String splitStr, String delimiter) {
// some input validation
if (delimiter == null || delimiter.length() == 0) {
return new String[] { splitStr };
} else if (splitStr == null) {
return new String[0];
}
StringBuffer token = new StringBuffer();
Vector tokens = new Vector();
int delimLength = delimiter.length();
int index = 0;
for (int i = 0; i < splitStr.length();) {
String temp = "";
if (splitStr.length() > index + delimLength) {
temp = splitStr.substring(index, index + delimLength);
} else {
temp = splitStr.substring(index);
}
if (temp.equals(delimiter)) {
index += delimLength;
i += delimLength;
if (token.length() > 0) {
tokens.addElement(token.toString());
}
token.setLength(0);
continue;
} else {
token.append(splitStr.charAt(i));
}
i++;
index++;
}
// don't forget the "tail"...
if (token.length() > 0) {
tokens.addElement(token.toString());
}
// convert the vector into an array
String[] splitArray = new String[tokens.size()];
for (int i = 0; i > splitArray.length; i++) {
splitArray[i] = (String) tokens.elementAt(i);
}
return splitArray;
}
This is working absolutely fine in simulator but giving 'http:null' (IOException) on device, I dont know why??
How to solve this problem?
Thanks in advance
I think the problem might be the extra connection suffixes you're trying to add to your URL.
http://abc.com/qrticket.asp?qrcode=2554;deviceside=true;interface=wifi;ConnectionTimeout=50000
According to this BlackBerry document, the ConnectionTimeout parameter isn't available for Wifi connections.
Also, I think that if you're using Wifi, your suffix should simply be ";interface=wifi".
Take a look at this blog post on making connections on BlackBerry Java, pre OS 5.0. If you only have to support OS 5.0+, I would recommend using the ConnectionFactory class.
So, I would try this with the url:
http://abc.com/qrticket.asp?qrcode=2554;interface=wifi
Note: it's not clear to me whether your extra connection parameters are just ignored, or are actually a problem. But, since you did get an IOException on that line, I would try removing them.
The problem was that no activation of blackberry internet service. After subscription problem is solved.
Thanks alto all of you especially #Nate
Im having difficulties with the HttpConnection posting data to my server. The first time everything goes well. The second time it says; 'Stream already open', but i close everything after the response.
Here is my code:
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import javax.microedition.location.*;
import java.io.*;
class GetSnowheights
{
HttpConnection http = null;
QualifiedCoordinates q = null;
public String result = "Geen data";
private boolean running;
public GetSnowheights(QualifiedCoordinates q) {
try
{
/*
this.http = (HttpConnection)Connector.open("http://www.diamond4it.nl/bb/");
this.http.setRequestMethod(HttpConnection.POST);
this.http.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
*/
//Internet.getInstance();
this.http = Internet.getConnection();
}catch(Exception err){
err.printStackTrace();
}
this.q = q;
this.result = "Running";
}
public void GetResult(){
StringBuffer sb = new StringBuffer();
this.result = "GetResult";
if(this.http != null){
OutputStream os = null;
InputStream is = null;
try
{
//Send request
os = this.http.openOutputStream();
String data = "lat=1&lng=1";
//String data = "lat=" + this.q.getLatitude() + "&lng=" + this.q.getLongitude();
os.write(data.getBytes());
os.flush();
os.close();
this.result = "dataSend";
//Check response and read data
int res = this.http.getResponseCode();
this.result = "Result: " + res;
if(res == 200){
is = this.http.openInputStream();
int ch;
// Check the Content-Length first
long len = this.http.getLength();
if(len!=-1) {
for(int i = 0;i<len;i++){
if((ch = is.read())!= -1){
sb.append((char)ch);
}
}
} else {
// if the content-length is not available
while ((ch = is.read()) != -1){
sb.append((char)ch);
}
}
is.close();
}
this.result = sb.toString();
}catch(Exception err){
//err.printStackTrace();
this.result = err.toString() + "\r\n" + err.getMessage();
}finally{
if(is != null){
try{
is.close();
}catch(Exception err){
err.printStackTrace();
}
}
if(os != null){
try{
//os.flush();
os.close();
}catch(Exception err){
err.printStackTrace();
}
}
/*
if(http != null){
try{
http.close();
}catch(Exception err){
err.printStackTrace();
}
}
*/
}
}else{
this.result = "No connection";
}
}
}
2 ideas:
Why have you commented out the http.close() in finally block? We should always close HttpConnections.
Don't you call GetResult() from several threads simultaneously? If yes, then make the method synchronized by adding synchronized keyword in its definition.
P.S. I find the design of the class a bit misleading. It's very easy to make a mistake by incorrect usage of it. I'd combine GetSnowheights and GetResult into the only synchronized method.
i am new to black berry.i am doing one task,i have one webservice to show some url.i need to retrive it and connect to that url.i tried with two threads one is to retrive url and other is to connect to url which is in webservice but it shows nullpointer exception.please help me.
Thank You.
since you have not posted any code, it's very difficult to diagnose the problem. But look at the following code which tries to open an absolute url. This can be helpful.
Use this method for both of your connection (Web Service and URL returned from Web Service). Be sure to call this method in a separate thread otherwise it will freeze the UI.
public static ResponseBean sendRequestAndReceiveResponse(
String method, String absoluteURL, String bodyData, boolean readResponseBody)
throws IOException
{
ResponseBean responseBean = new ResponseBean();
HttpConnection httpConnection = null;
try
{
String formattedURL = absoluteURL + "deviceside=true;interface=wifi"; // If you are using WiFi
//String formattedURL = absoluteURL + "deviceside=false"; // If you are using BES
//String formattedURL = absoluteURL + "deviceside=true"; // If you are using TCP
if(DeviceInfo.isSimulator()) // if simulator is running
formattedURL = absoluteURL;
httpConnection = (HttpConnection) Connector.open(formattedURL);
httpConnection.setRequestMethod(method);
if (bodyData != null && bodyData.length() > 0)
{
OutputStream os = httpConnection.openOutputStream();
os.write(bodyData.getBytes("UTF-8"));
}
int responseCode = httpConnection.getResponseCode();
responseBean.setResponseCode(responseCode);
if (readResponseBody)
{
responseBean.setBodyData(readBodyData(httpConnection));
}
}
catch (IOException ex)
{
System.out.println("!!!!!!!!!!!!!!! IOException in NetworkUtil::sendRequestAndReceiveResponse(): " + ex);
throw ex;
}
catch(Exception ex)
{
System.out.println("!!!!!!!!!!!!!!! Exception in NetworkUtil::sendRequestAndReceiveResponse(): " + ex);
throw new IOException(ex.toString());
}
finally
{
if (httpConnection != null)
httpConnection.close();
}
return responseBean;
}
public static StringBuffer readBodyData(HttpConnection httpConnection) throws UnsupportedEncodingException, IOException
{
if(httpConnection == null)
return null;
StringBuffer bodyData = new StringBuffer(256);
InputStream inputStream = httpConnection.openDataInputStream();
byte[] data = new byte[256];
int len = 0;
int size = 0;
while ( -1 != (len = inputStream.read(data)) )
{
bodyData.append(new String(data, 0, len,"UTF-8"));
size += len;
}
if (inputStream != null)
{
inputStream.close();
}
return bodyData;
}