/**
* 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.ndef.wkt;
import java.util.HashMap;
import java.util.Map;
import org.nfctools.ndef.NdefConstants;
import org.nfctools.ndef.NdefMessageDecoder;
import org.nfctools.ndef.NdefRecord;
import org.nfctools.ndef.RecordType;
import org.nfctools.ndef.wkt.decoder.RecordDecoder;
import org.nfctools.ndef.wkt.records.WellKnownRecord;
public class WellKnownRecordDecoder implements RecordDecoder<WellKnownRecord> {
private Map<RecordType, WellKnownRecordConfig> recordDecoders = new HashMap<RecordType, WellKnownRecordConfig>();
@Override
public boolean canDecode(NdefRecord ndefRecord) {
if(NdefConstants.TNF_WELL_KNOWN == ndefRecord.getTnf()) {
return recordDecoders.containsKey(new RecordType(ndefRecord.getType()));
}
return false;
}
@Override
public WellKnownRecord decodeRecord(NdefRecord ndefRecord, NdefMessageDecoder messageDecoder) {
WellKnownRecordConfig config = recordDecoders.get(new RecordType(ndefRecord.getType()));
if (config != null) {
WellKnownRecordPayloadDecoder payloadDecoder = config.getPayloadDecoder();
WellKnownRecord record = payloadDecoder.decodePayload(ndefRecord.getPayload(), messageDecoder);
record.setId(ndefRecord.getId());
return record;
}
else
throw new IllegalArgumentException("Unsupported Well Known NDEF Type [" + new String(ndefRecord.getType())
+ "]");
}
public void addRecordConfig(WellKnownRecordConfig config) {
recordDecoders.put(config.getRecordType(), config);
}
}