Getting a connection string while making a network connection in BlackBerry.

blackberry-network-connection-string.java

// Get most appropriate connection method
private String getConnectionString() {

	String suffix = null;

        if (CoverageInfo.isCoverageSufficient(CoverageInfo.COVERAGE_MDS)) 
        {
              // BES is available
              suffix = ";deviceside=false";
        }
        else if (CoverageInfo.isCoverageSufficient(CoverageInfo.COVERAGE_BIS_B)) 
        {
              // BIS is available
              suffix = ";deviceside=false;ConnectionType=mds-public";
        }
        else if (RadioInfo.areWAFsSupported(RadioInfo.WAF_WLAN) && 
        		CoverageInfo.isCoverageSufficient(CoverageInfo.COVERAGE_DIRECT, RadioInfo.WAF_WLAN, false)) 
        {
              // wifi is available
              suffix = ";deviceside=true;interface=wifi";
        }
        else if (CoverageInfo.isCoverageSufficient(CoverageInfo.COVERAGE_DIRECT)) {
              // attempt to use direct tcp connection
              suffix = ";deviceside=true";
        }

        return suffix;
}