package skyseraph.android.util.nfc;
import com.google.common.collect.BiMap;
import com.google.common.collect.ImmutableBiMap;
import skyseraph.android.util.LogUtil;
import skyseraph.android.util.MyConstant;
import android.annotation.SuppressLint;
import android.net.Uri;
import android.nfc.NdefMessage;
import android.nfc.NdefRecord;
import java.nio.charset.Charset;
import java.util.Locale;
/**
* @Title ：BobNdefMessage.java
* @Package ：skyseraph.android.util.nfc
* @ClassName : BobNdefMessage
* @Description ：Custom Class For NdefMessage
* @author ： skyseraph00@163.com
* @date ： 2013-5-13 上午11:14:51
* @version ： V1.0 《Android NFC 开发实战详解》
*/
public class BobNdefMessage {
private static final String TAG_ASSIST = "[BobNdefMessage]-";
/**
* @About:create a TNF_WELL_KNOW NDEF record as RTD_URI
* @param uriFiledStr , The rest of the URI, or the entire URI (if
* identifier code is 0x00).
* @param identifierCode = prefixes(URI identifier code), 0x01=http://www.
* ,0x02=https://www. , 0x03=http://
* @param flagAddAAR, true means add AAR
* @return NdefMessage
* @Ref: NFCForum-TS-RTD_URI_1.0
* @By SkySeraph-2013
*/
public static NdefMessage getNdefMsg_from_RTD_URI(String uriFiledStr, byte identifierCode,
boolean flagAddAAR) {
LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_RTD_URI");
byte[] uriField = uriFiledStr.getBytes(Charset.forName("US-ASCII"));
byte[] payLoad = new byte[uriField.length + 1]; // add 1 for the URI
// Prefix
payLoad[0] = identifierCode; // 0x01 = prefixes http://www. to the URI
// appends URI to payload
System.arraycopy(uriField, 0, payLoad, 1, uriField.length);
// Method1:
NdefRecord rtdUriRecord1 = new NdefRecord(NdefRecord.TNF_WELL_KNOWN, NdefRecord.RTD_URI,
new byte[0], payLoad);
// Method2:only in API 14
String prefix = URI_PREFIX_MAP.get(identifierCode);
NdefRecord rtdUriRecord2 = NdefRecord.createUri(prefix + uriFiledStr);
// Method3:only in API 14
NdefRecord rtdUriRecord3 = NdefRecord.createUri(Uri.parse(prefix + uriFiledStr));
if (flagAddAAR) {
// note: returns AAR for different app (nfcreadtag)
return new NdefMessage(new NdefRecord[] {
rtdUriRecord1, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
}); // packageName
} else {
return new NdefMessage(new NdefRecord[] {
rtdUriRecord1
});
}
}
/**
* @About:create a TNF_WELL_KNOW NDEF record as RTD_TEXT
* @param text , the really text data
* @param encodeInUtf8 , false means TEXT encoded by UTF-8
* @param flagAddAAR , true means add AAR
* @return NdefMessage
* @Ref: NFCForum-TS-RTD_Text_1.0
* @By SkySeraph-2013
*/
public static NdefMessage getNdefMsg_from_RTD_TEXT(String text, boolean encodeInUtf8,
boolean flagAddAAR) {
LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_RTD_TEXT");
Locale locale = new Locale("en", "US"); // a new Locale is created with
// US English.
byte[] langBytes = locale.getLanguage().getBytes(Charset.forName("US-ASCII"));
// boolean encodeInUtf8 = false;
Charset utfEncoding = encodeInUtf8 ? Charset.forName("UTF-8") : Charset.forName("UTF-16");
int utfBit = encodeInUtf8 ? 0 : (1 << 7);
char status = (char)(utfBit + langBytes.length);
// String text = "This is an RTD_TEXT exp";
byte[] textBytes = text.getBytes(utfEncoding);
byte[] data = new byte[1 + langBytes.length + textBytes.length];
data[0] = (byte)status;
System.arraycopy(langBytes, 0, data, 1, langBytes.length);
System.arraycopy(textBytes, 0, data, 1 + langBytes.length, textBytes.length);
NdefRecord textRecord = new NdefRecord(NdefRecord.TNF_WELL_KNOWN, NdefRecord.RTD_TEXT,
new byte[0], data);
if (flagAddAAR) {
// note: returns AAR for different app (nfcreadtag)
return new NdefMessage(new NdefRecord[] {
textRecord, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
});
} else {
return new NdefMessage(new NdefRecord[] {
textRecord
});
}
}
/**
* @About: create a TNF_ABSOLUTE_URI NDEF record
* @param absoluteUri ,the absolute Uri
* @param flagAddAAR , true means add AAR
* @return NdefMessage
* @Note: TNF_ABSOLUTE_URI indicates the absolute form of a URI that follows
* the absolute-URI rule defined by RFC 3986
* @Note: Recommend that you use the RTD_URI type instead of
* TNF_ABSOLUTE_URI, because it is more efficient
* @By SkySeraph-2013
*/
public static NdefMessage getNdefMsg_from_ABSOLUTE_URI(String absoluteUri, boolean flagAddAAR) {
LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_ABSOLUTE_URI");
// String absoluteUri = "http://developer.android.com/index.html";
byte[] absoluteUriBytes = absoluteUri.getBytes(Charset.forName("US-ASCII"));
NdefRecord uriRecord = new NdefRecord(NdefRecord.TNF_ABSOLUTE_URI, absoluteUriBytes,
new byte[0], new byte[0]);
if (flagAddAAR) {
// note: returns AAR for different app (nfcreadtag)
return new NdefMessage(new NdefRecord[] {
uriRecord, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
});
} else {
return new NdefMessage(new NdefRecord[] {
uriRecord
});
}
}
/**
* @About:create a TNF_MIME_MEDIA NDEF record
* @param payLoad,the MIME data
* @param mimeType,the MIME Type
* @param flagAddAAR, true means add AAR
* @return NdefMessage
* @By SkySeraph-2013
*/
@SuppressLint("NewApi")
public static NdefMessage getNdefMsg_from_MIME_MEDIA(String payLoad, String mimeType,
boolean flagAddAAR) {
LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_MIME_MEDIA");
byte[] payLoadBytes = payLoad.getBytes(Charset.forName("US-ASCII"));
// String mimeType = "application/skyseraph.nfc_demo";
// method1:Creating the NdefRecord manually
NdefRecord mimeRecord1 = new NdefRecord(NdefRecord.TNF_MIME_MEDIA,
mimeType.getBytes(Charset.forName("US-ASCII")), new byte[0], payLoadBytes);
// the identfier of the record is given as 0, since it will be the first
// record in the NdefMessage
// method2:Using the createMime() method, in API-16
NdefRecord mimeRecord2 = NdefRecord.createMime(mimeType, payLoadBytes);
if (flagAddAAR) {
// note: returns AAR for different app (nfcreadtag)
return new NdefMessage(new NdefRecord[] {
mimeRecord1, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
});
} else {
return new NdefMessage(new NdefRecord[] {
mimeRecord1
});
}
}
/**
* @About:create a TNF_EXTERNAL_TYPE NDEF record
* @param payLoad,the EXTERNAL data
* @param flagAddAAR, true means add AAR
* @return NdefMessage
* @By SkySeraph-2013
*/
@SuppressLint("NewApi")
public static NdefMessage getNdefMsg_from_EXTERNAL_TYPE(String payLoad, boolean flagAddAAR) {
LogUtil.i(MyConstant.TAG, TAG_ASSIST + "into getNdefMsg_from_EXTERNAL_TYPE");
byte[] payLoadBytes = payLoad.getBytes();
String domain = "skyseraph.nfc_demo"; // usually your app's package name
String type = "externalType";
String externalType = domain + ":" + type;
// method1:Creating the NdefRecord manually
NdefRecord exteralRecord1 = new NdefRecord(NdefRecord.TNF_EXTERNAL_TYPE,
externalType.getBytes(), new byte[0], payLoadBytes);
// method2:Using the createExternal() method, in API-16
NdefRecord exteralRecord2 = NdefRecord.createExternal(domain, type, payLoadBytes);
if (flagAddAAR) {
// note: returns AAR for different app (nfcreadtag)
return new NdefMessage(new NdefRecord[] {
exteralRecord1, NdefRecord.createApplicationRecord("skyseraph.nfc_demo")
});
} else {
return new NdefMessage(new NdefRecord[] {
exteralRecord1
});
}
}
/**
* checkSystemVersion()
*/
private boolean flagVersion = false;
private void checkSystemVersion() {
// TODO Auto-generated method stub
// if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
LogUtil.i(MyConstant.TAG, TAG_ASSIST + "Product Model=" + android.os.Build.MODEL + ", "
+ android.os.Build.VERSION.SDK + ", " + android.os.Build.VERSION.RELEASE);
String systemModel;
String releaseVersion;
String sdkVersion;
systemModel = android.os.Build.MODEL;
sdkVersion = android.os.Build.VERSION.SDK;
releaseVersion = android.os.Build.VERSION.RELEASE;
if (Integer.parseInt(sdkVersion) > 15) {
flagVersion = true;
} else {
flagVersion = false;
LogUtil.e(MyConstant.TAG, TAG_ASSIST + "Your android system version is low to API-16");
}
}
/**
* NFC Forum "URI Record Type Definition" This is a mapping of
* "URI Identifier Codes" to URI string prefixes, per section 3.2.2 of the
* NFC Forum URI Record Type Definition document.
*/
private static final BiMap<Byte, String> URI_PREFIX_MAP = ImmutableBiMap
.<Byte, String> builder().put((byte)0x00, "").put((byte)0x01, "http://www.")
.put((byte)0x02, "https://www.").put((byte)0x03, "http://").put((byte)0x04, "https://")
.put((byte)0x05, "tel:").put((byte)0x06, "mailto:")
.put((byte)0x07, "ftp://anonymous:anonymous@").put((byte)0x08, "ftp://ftp.")
.put((byte)0x09, "ftps://").put((byte)0x0A, "sftp://").put((byte)0x0B, "smb://")
.put((byte)0x0C, "nfs://").put((byte)0x0D, "ftp://").put((byte)0x0E, "dav://")
.put((byte)0x0F, "news:").put((byte)0x10, "telnet://").put((byte)0x11, "imap:")
.put((byte)0x12, "rtsp://").put((byte)0x13, "urn:").put((byte)0x14, "pop:")
.put((byte)0x15, "sip:").put((byte)0x16, "sips:").put((byte)0x17, "tftp:")
.put((byte)0x18, "btspp://").put((byte)0x19, "btl2cap://").put((byte)0x1A, "btgoep://")
.put((byte)0x1B, "tcpobex://").put((byte)0x1C, "irdaobex://")
.put((byte)0x1D, "file://").put((byte)0x1E, "urn:epc:id:")
.put((byte)0x1F, "urn:epc:tag:").put((byte)0x20, "urn:epc:pat:")
.put((byte)0x21, "urn:epc:raw:").put((byte)0x22, "urn:epc:")
.put((byte)0x23, "urn:nfc:").build();
}
