/**
* Copyright 2011-2012 Adrian Stabiszewski, as@nfctools.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.nfctools.utils;
import java.io.IOException;
import org.nfctools.mf.block.MfBlock;
import org.nfctools.mf.tlv.NdefMessageTlv;
import org.nfctools.mf.tlv.Tlv;
import org.nfctools.mf.tlv.TypeLengthValueReader;
import org.nfctools.mf.ul.MemoryLayout;
import org.nfctools.mf.ul.MfUlReaderWriter;
import org.nfctools.ndef.NdefContext;
import org.nfctools.ndef.NdefMessage;
import org.nfctools.ndef.NdefMessageDecoder;
import org.nfctools.ndef.Record;
import org.nfctools.tags.TagInputStream;
public class TagUtils {
private static NdefMessageDecoder decoder = NdefContext.getNdefMessageDecoder();
public static void outputContents(MfUlReaderWriter readerWriter, MemoryLayout memoryLayout) throws IOException {
outputBinaryContent(readerWriter, memoryLayout);
outputNdefMessage(readerWriter, memoryLayout);
}
public static void outputBinaryContent(MfUlReaderWriter readerWriter, MemoryLayout memoryLayout) throws IOException {
MfBlock[] blocks = readerWriter.readBlock(memoryLayout.getFirstPage(), memoryLayout.getLastPage()
- memoryLayout.getFirstPage() + 1);
for (int x = 0; x < blocks.length; x++) {
System.out.print("[" + zero(x + memoryLayout.getFirstPage()) + "] ");
byte[] data = blocks[x].getData();
for (byte b : data)
System.out.print(zero(b) + " ");
System.out.println();
}
}
public static void outputNdefMessage(MfUlReaderWriter readerWriter, MemoryLayout memoryLayout) {
TypeLengthValueReader reader = new TypeLengthValueReader(new TagInputStream(memoryLayout, readerWriter));
while (reader.hasNext()) {
Tlv tlv = reader.next();
if (tlv instanceof NdefMessageTlv) {
NdefMessage ndefMessage = decoder.decode(((NdefMessageTlv)tlv).getNdefMessage());
for (Record record : decoder.decodeToRecords(ndefMessage)) {
System.out.println(record);
}
}
}
}
private static String zero(int x) {
String s = Integer.toHexString(x & 0xFF);
if (s.length() == 1)
return "0" + s;
else
return s;
}
}