1 files changed, 160 insertions, 0 deletions
diff --git a/core/java/com/trustedlogic/trustednfc/android/NdefMessage.java b/core/java/com/trustedlogic/trustednfc/android/NdefMessage.java
new file mode 100644
index 0000000..f03b604
--- /dev/null
+++ b/core/java/com/trustedlogic/trustednfc/android/NdefMessage.java
@@ -0,0 +1,160 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * 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.
+ */
+
+/**
+ * File            : NDEFMessage.java
+ * Original-Author : Trusted Logic S.A. (Jeremie Corbier)
+ * Created         : 05-10-2009
+ */
+
+package com.trustedlogic.trustednfc.android;
+
+import java.util.LinkedList;
+import java.util.ListIterator;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+
+/**
+ * Represents an NDEF message as specified by the <a
+ * href="http://www.nfc-forum.org/">NFC Forum</a>.
+ * 
+ * @see NdefRecord
+ * 
+ * @since AA01.04
+ * @hide
+ */
+public class NdefMessage implements Parcelable {
+	/* Flag values */
+	private static final int FLAG_MB = 0x80;
+	private static final int FLAG_ME = 0x40;
+	private static final int FLAG_CF = 0x20;
+	private static final int FLAG_SR = 0x10;
+	private static final int FLAG_IL = 0x08;
+
+	/**
+	 * Array of {@link NdefRecord} composing this message.
+	 */
+	private NdefRecord[] mRecords;
+
+	/**
+	 * Builds an NDEF message.
+	 * 
+	 * @param data raw NDEF message data
+	 * 
+	 * @throws NFCException
+	 */
+	public NdefMessage(byte[] data) throws NfcException {
+		if (parseNdefMessage(data) == -1)
+			throw new NfcException("Error while parsing NDEF message");
+	}
+
+	/**
+	 * Builds an NDEF message.
+	 * 
+	 * @param records
+	 *            an array of already created NDEF records
+	 */
+	public NdefMessage(NdefRecord[] records) {
+		mRecords = new NdefRecord[records.length];
+
+		System.arraycopy(records, 0, mRecords, 0, records.length);
+	}
+
+	/**
+	 * Returns the NDEF message as a byte array.
+	 * 
+	 * @return the message as a byte array
+	 */
+	public byte[] toByteArray() {
+		if ((mRecords == null) || (mRecords.length == 0))
+			return null;
+
+		byte[] msg = {};
+
+		for (int i = 0; i < mRecords.length; i++) {
+			byte[] record = mRecords[i].toByteArray();
+			byte[] tmp = new byte[msg.length + record.length];
+
+			/* Make sure the Message Begin flag is set only for the first record */
+			if (i == 0)
+				record[0] |= FLAG_MB;
+			else
+				record[0] &= ~FLAG_MB;
+
+			/* Make sure the Message End flag is set only for the last record */
+			if (i == (mRecords.length - 1))
+				record[0] |= FLAG_ME;
+			else
+				record[0] &= ~FLAG_ME;
+
+			System.arraycopy(msg, 0, tmp, 0, msg.length);
+			System.arraycopy(record, 0, tmp, msg.length, record.length);
+
+			msg = tmp;
+		}
+
+		return msg;
+	}
+	
+	/**
+	* Returns an array of {@link NdefRecord} composing this message.
+	*
+	* @return mRecords
+	* 
+	* @since AA02.01
+	*/
+	public NdefRecord[] getRecords(){
+		return mRecords;
+	}
+	
+	private native int parseNdefMessage(byte[] data);
+
+    /**
+     * (Parcelable) Describe the parcel
+     * {@hide}
+     */
+    public int describeContents() {
+        return 0;
+    }
+
+    /**
+     * (Parcelable) Convert current object to a Parcel
+     * {@hide}
+     */
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeInt(mRecords.length);
+        dest.writeTypedArray(mRecords, 0);
+    }
+
+    /**
+     * Creator class, needed when implementing from Parcelable
+     * {@hide}
+     */
+    public static final Parcelable.Creator<NdefMessage> CREATOR = new Parcelable.Creator<NdefMessage>() {
+        public NdefMessage createFromParcel(Parcel in) {
+            int recordsLength = in.readInt();
+            NdefRecord[] records = new NdefRecord[recordsLength];
+            in.readTypedArray(records, NdefRecord.CREATOR);
+            return new NdefMessage(records);
+        }
+
+        public NdefMessage[] newArray(int size) {
+            return new NdefMessage[size];
+        }
+    };
+    
+}