Java Code Examples for javax.microedition.io.Connector#open()

public void test0004() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"testdir/", Connector.READ_WRITE);
		try {
			
			addOperationDesc("Creating directory: " + conn.getURL());
			ensureDirExists(conn);
			
			long modifyTime = conn.lastModified();
			addOperationDesc("lastModified() returned " + modifyTime);
			
			passed = modifyTime == 0;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Tests lastModified() on a directory (modification date is NOT supported by filesystem)", passed);
}
 

/**
 * Tests isHidden() on a hidden file
 */
public void test0001() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
		try {
			addOperationDesc("Creating file: " + conn.getURL());
			ensureFileExists(conn);
			
			addOperationDesc("Setting file as hidden");
			conn.setHidden(true);
			
			boolean isHidden = conn.isHidden();
			addOperationDesc("isHidden() returned " + isHidden);
			
			passed = isHidden==true;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Tests isHidden() on a hidden file", passed);
}
 

/**
 * Tests directorySize() on empty directory
 */
public void test0001() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"testdir/", Connector.READ_WRITE);
		try {
			addOperationDesc("Creating directory: " + conn.getURL());
			ensureDirExists(conn);
			
			long directorySize = conn.directorySize(true);
			addOperationDesc("directorySize(true) returned " + directorySize);
			
			passed = directorySize==0;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Tests directorySize() on empty directory", passed);
}
 

/**
 * Tests isHidden() on a non-hidden file
 */
public void test0002() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
		try {
			addOperationDesc("Creating file: " + conn.getURL());
			ensureFileExists(conn);
			
			addOperationDesc("Setting file as non-hidden");
			conn.setHidden(false);
			
			boolean isHidden = conn.isHidden();
			addOperationDesc("isHidden() returned " + isHidden);
			
			passed = isHidden==false;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Tests isHidden() on a non-hidden file", passed);
}
 

/**
 * Tests canRead() on a non-readable file
 */
public void test0002() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
		try {
			addOperationDesc("Creating file: " + conn.getURL());
			ensureFileExists(conn);
			
			addOperationDesc("Setting file as non-readable");
			conn.setReadable(false);
			
			boolean canRead = conn.canRead();
			addOperationDesc("canRead() returned " + canRead);
			
			passed = canRead==false;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Tests canRead() on a non-readable file", passed);
}
 

/**
 * Tests getName() on an existing file url
 */
public void test0003() {
	boolean passed = false;
	try {
		String url="file://"+getTestPath()+"file";
		
		FileConnection conn = (FileConnection)Connector.open(url, Connector.READ_WRITE);
		ensureFileExists(conn);
		try {
			addOperationDesc("Using file url: " + url);
			
			String name = conn.getName();
			addOperationDesc("getName() returned " + name);

			passed = "file".equals(name);
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Tests getName() on an existing file url", passed);
}
 

/**
 * Tests canRead() on a non-existent directory
 */
public void test0012() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"testdir/", Connector.READ_WRITE);
		try {
			addOperationDesc("Deleting directory: " + conn.getURL());
			ensureNotExists(conn);
			
			boolean canRead = conn.canRead();
			addOperationDesc("canRead() returned " + canRead);
			
			passed = canRead==false;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("canRead() returns false for a non-existent directory", passed);
}
 

/**
 * Tests fileSize() on a file
 */
public void test0001() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE); 
		try {				
			addOperationDesc("Creating file with a size of 64 bytes: " + conn.getURL());
			ensureFileExists(conn);
			ensureFileSize(conn, 64);
			
			long fileSize = conn.fileSize();
			addOperationDesc("fileSize() returned " + fileSize);
			
			passed = fileSize==64;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Tests fileSize() on a file", passed);
}
 

/**
 * Tests isHidden() in Connector.READ mode
 */
public void test0009() {
	boolean passed = false;
	try {	
		addOperationDesc("Opening connection in READ mode");
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ);
		try {
			boolean isHidden = conn.isHidden();
			addOperationDesc("isHidden() call returned " + isHidden);
			
			passed = true;								
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}
	
	assertTrueWithLog("Tests isHidden() in Connector.READ mode", passed);
}
 

public void test0001() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"testdir/", Connector.READ_WRITE);
		try {
			addOperationDesc("Deleting directory: " + conn.getURL());
			ensureNotExists(conn);
			
			addOperationDesc("Creating directory");
			conn.mkdir();

			boolean exists = conn.exists();
			addOperationDesc("exists() returned " + exists);

			passed = exists == true;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("mkdir() creates a new directory", passed);
}
 

/**
 * Tests isHidden() on a non-existent file
 */
public void test0010() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
		try {
			addOperationDesc("Deleting file: " + conn.getURL());
			ensureNotExists(conn);
			
			boolean isHidden = conn.isHidden();
			addOperationDesc("isHidden() returned " + isHidden);
			
			passed = isHidden==false;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("isHidden() returns false for a non-existent file", passed);
}
 

/**
 * Tests delete() on a directory
 */
public void test0002() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"testdir/", Connector.READ_WRITE);
		try {
			addOperationDesc("Creating directory: " + conn.getURL());
			ensureDirExists(conn);
			
			addOperationDesc("Deleting directory");
			conn.delete();

			boolean exists = conn.exists();
			addOperationDesc("exists() returned " + exists);

			passed = exists ==false;
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Tests delete() on a file", passed);
}
 

/**
 * Streams can be opened and closed more than once on a connection calling openOutputStream(long)
 */
public void test0007() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
		OutputStream stream = null;
		try {
			addOperationDesc("Creating file: " + conn.getURL());
			ensureFileExists(conn);
			
			addOperationDesc("Opening stream");
			stream = conn.openOutputStream(0);
			addOperationDesc("Closing stream");
			stream.close();
			stream = null;

			addOperationDesc("Opening stream");
			stream = conn.openOutputStream(0);
			addOperationDesc("Closing stream");
			stream.close();
			stream = null;
			
			passed = true;
		} finally {
			if (stream!=null) stream.close();				
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Streams can be opened and closed more than once on a connection calling openOutputStream(long)", passed);
}
 

public static boolean testUrl(String server, String protocol, int channel) throws IOException{

	String url = protocol + server + ":" + channel;
	String fullurl = url + ";authenticate=false;encrypt=false";
	try{
		
		Connection con = Connector.open(fullurl, Connector.READ_WRITE, true);
		PrintUtil.out.println(url + " -> Open Channel!!! " + con.getClass().getSimpleName());
		con.close();
		return true;
	}catch(IllegalArgumentException a){  
	
	}catch(Exception e){
		
		String msg = e.getMessage();
		
		if (!msg.contains("0xe00002cd") && !msg.contains("timeout")){
		
			PrintUtil.out.println(url + " -\\> " + msg);
			//e.printStackTrace();
		}
		
		return false;
	}
	
	return true;
}
 

/**
 * @inheritDoc
 */
public OutputStream openOutputStream(Object connection) throws IOException {
    if(connection instanceof String) {
        FileConnection fc = (FileConnection)Connector.open((String)connection, Connector.READ_WRITE);
        if(!fc.exists()) {
            fc.create();
        }
        BufferedOutputStream o = new BufferedOutputStream(fc.openOutputStream(), (String)connection);
        o.setConnection(fc);
        return o;
    }
    return new BufferedOutputStream(((HttpConnection)connection).openOutputStream(), ((HttpConnection)connection).getURL());
}
 

public void testListRoots(TestHarness th) throws IOException {
    Enumeration rootEnum = FileSystemRegistry.listRoots();
    th.check(rootEnum != null);
    while (rootEnum.hasMoreElements()) {
        ++numRoots;
        String root = (String)rootEnum.nextElement();
        FileConnection fc = (FileConnection)Connector.open("file:///" + root);
        th.check(fc != null);
    }
}
 

public Connection open(String uri, int mode, boolean timeouts)
  throws IOException
{
  if (mode != Connector.READ &&
      mode != Connector.WRITE &&
      mode != Connector.READ_WRITE)
    throw new IllegalArgumentException("Variable mode has an invalid value");

  if (null==uri || uri.length()==0)
    throw new IllegalArgumentException("URI must not be null or empty");

  int schemeSeparator = uri.indexOf(':');

  if (schemeSeparator < 0) {
    throw new IllegalArgumentException("Not a valid URI");
  }

  String scheme = uri.substring(0, schemeSeparator);

  ConnectionFactory factory = getFactory(scheme);
  Connection retval = null;

  if (factory != null) {
    retval = factory.createConnection(uri, mode, timeouts);

  } else {

    // fall back to Connector.
    try {
      retval = Connector.open(uri, mode, timeouts);
    } catch (Exception e) {
      throw new ConnectionNotFoundException();
    }

  }

  if (retval == null)
    throw new ConnectionNotFoundException();
  else
    return retval;
}
 

/**
 * Tests openOutputStream(long)
 */
public void test0001() {
	boolean passed = false;
	try {
		FileConnection conn = (FileConnection)Connector.open("file://"+getTestPath()+"test", Connector.READ_WRITE);
		try {
			addOperationDesc("Creating file: " + conn.getURL());
			ensureFileExists(conn);

			OutputStream os = null;
			try {
				
				long fileSize1 = conn.fileSize();
				addOperationDesc("fileSize() is " + fileSize1);
				
				addOperationDesc("Opening output stream at offset " + fileSize1);
				os = conn.openOutputStream(fileSize1);
				addOperationDesc("Writing two bytes to output stream");
				os.write(3);
				os.write(3);
				addOperationDesc("Closing output stream");
				os.close();
				
				long fileSize2 = conn.fileSize();
				addOperationDesc("fileSize() is " + fileSize2);
				
				addOperationDesc("Opening output stream at offset " + (fileSize2-1));
				os = conn.openOutputStream(fileSize2-1);
				addOperationDesc("Writing two bytes to output stream");
				os.write(3);
				os.write(3);
				addOperationDesc("Closing output stream");
				os.close();
				
				long fileSize3 = conn.fileSize();
				addOperationDesc("fileSize() is " + fileSize3);
				
				passed = fileSize2==fileSize1+2 && fileSize3==fileSize2+1;
			} finally {
				if (os != null) os.close();
			}
		} finally {
			conn.close();
		}
	} catch (Exception e) {
		logUnexpectedExceptionDesc(e);
		passed = false;
	}

	assertTrueWithLog("Tests openOutputStream(long)", passed);
}
 

public void startApp() {
    if (alreadyStarted) {
        return;
    }
    alreadyStarted = true;

    if (shouldStop()) {
        System.out.println("Test finished");
        return;
    }

    try {
        Display.getDisplay(this).setCurrent(new TestCanvas());

        // Wait MIDlet to become the foreground MIDlet
        synchronized (paintedLock) {
            while (!painted) {
                paintedLock.wait();
            }
        }

        ContentHandlerServer chServer = Registry.getServer(getClass().getName());

        // Check if the MIDlet has been invoked
        Invocation invoc = chServer.getRequest(false);
        if (invoc == null) {
            System.out.println("Invocation is null");
            return;
        }

        String shareAction = invoc.getAction();
        System.out.println("Invocation action: " + shareAction);

        String[] shareArgs = invoc.getArgs();
        for (int i = 0; i < shareArgs.length; i++) {
            System.out.println("Invocation args[" + i + "]: " + shareArgs[i]);
        }

        FileConnection image = (FileConnection)Connector.open(shareArgs[0].substring(4), Connector.READ_WRITE);
        if (!image.exists()) {
            System.out.println("Image doesn't exist");
        } else {
            System.out.println("Image exists");
            image.delete();
        }

        invoc.setArgs(null);
        chServer.finish(invoc, Invocation.INITIATED);
    } catch (Exception e) {
        System.out.println("Unexpected exception: " + e);
    }

    // Test that the Content Handler code works also if the MIDlet is already running.
    sendShareMessage();
}
 

public static void startClient(String url) throws IOException{
	
	PrintUtil.verbose("#" + new Date() + " Waiting for connection");

	BlucatState.connection = Connector.open(url,Connector.READ_WRITE,true);
	
	PrintUtil.verbose("#Dispatching Connection");
	BlucatConnection.handle(BlucatState.connection);
	
}