1 files changed, 182 insertions, 0 deletions
diff --git a/src/android/bluetooth/client/pbap/utils/ObexAppParameters.java b/src/android/bluetooth/client/pbap/utils/ObexAppParameters.java
new file mode 100644
index 0000000..d70d1e4
--- /dev/null
+++ b/src/android/bluetooth/client/pbap/utils/ObexAppParameters.java
@@ -0,0 +1,182 @@
+/*
+ * Copyright (C) 2014 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.
+ */
+
+package android.bluetooth.client.pbap.utils;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.obex.HeaderSet;
+
+public final class ObexAppParameters {
+
+    private final HashMap<Byte, byte[]> mParams;
+
+    public ObexAppParameters() {
+        mParams = new HashMap<Byte, byte[]>();
+    }
+
+    public ObexAppParameters(byte[] raw) {
+        mParams = new HashMap<Byte, byte[]>();
+
+        if (raw != null) {
+            for (int i = 0; i < raw.length;) {
+                if (raw.length - i < 2) {
+                    break;
+                }
+
+                byte tag = raw[i++];
+                byte len = raw[i++];
+
+                if (raw.length - i - len < 0) {
+                    break;
+                }
+
+                byte[] val = new byte[len];
+
+                System.arraycopy(raw, i, val, 0, len);
+                this.add(tag, val);
+
+                i += len;
+            }
+        }
+    }
+
+    public static ObexAppParameters fromHeaderSet(HeaderSet headerset) {
+        try {
+            byte[] raw = (byte[]) headerset.getHeader(HeaderSet.APPLICATION_PARAMETER);
+            return new ObexAppParameters(raw);
+        } catch (IOException e) {
+            // won't happen
+        }
+
+        return null;
+    }
+
+    public byte[] getHeader() {
+        int length = 0;
+
+        for (Map.Entry<Byte, byte[]> entry : mParams.entrySet()) {
+            length += (entry.getValue().length + 2);
+        }
+
+        byte[] ret = new byte[length];
+
+        int idx = 0;
+        for (Map.Entry<Byte, byte[]> entry : mParams.entrySet()) {
+            length = entry.getValue().length;
+
+            ret[idx++] = entry.getKey();
+            ret[idx++] = (byte) length;
+            System.arraycopy(entry.getValue(), 0, ret, idx, length);
+            idx += length;
+        }
+
+        return ret;
+    }
+
+    public void addToHeaderSet(HeaderSet headerset) {
+        if (mParams.size() > 0) {
+            headerset.setHeader(HeaderSet.APPLICATION_PARAMETER, getHeader());
+        }
+    }
+
+    public boolean exists(byte tag) {
+        return mParams.containsKey(tag);
+    }
+
+    public void add(byte tag, byte val) {
+        byte[] bval = ByteBuffer.allocate(1).put(val).array();
+        mParams.put(tag, bval);
+    }
+
+    public void add(byte tag, short val) {
+        byte[] bval = ByteBuffer.allocate(2).putShort(val).array();
+        mParams.put(tag, bval);
+    }
+
+    public void add(byte tag, int val) {
+        byte[] bval = ByteBuffer.allocate(4).putInt(val).array();
+        mParams.put(tag, bval);
+    }
+
+    public void add(byte tag, long val) {
+        byte[] bval = ByteBuffer.allocate(8).putLong(val).array();
+        mParams.put(tag, bval);
+    }
+
+    public void add(byte tag, String val) {
+        byte[] bval = val.getBytes();
+        mParams.put(tag, bval);
+    }
+
+    public void add(byte tag, byte[] bval) {
+        mParams.put(tag, bval);
+    }
+
+    public byte getByte(byte tag) {
+        byte[] bval = mParams.get(tag);
+
+        if (bval == null || bval.length < 1) {
+            return 0;
+        }
+
+        return ByteBuffer.wrap(bval).get();
+    }
+
+    public short getShort(byte tag) {
+        byte[] bval = mParams.get(tag);
+
+        if (bval == null || bval.length < 2) {
+            return 0;
+        }
+
+        return ByteBuffer.wrap(bval).getShort();
+    }
+
+    public int getInt(byte tag) {
+        byte[] bval = mParams.get(tag);
+
+        if (bval == null || bval.length < 4) {
+            return 0;
+        }
+
+        return ByteBuffer.wrap(bval).getInt();
+    }
+
+    public String getString(byte tag) {
+        byte[] bval = mParams.get(tag);
+
+        if (bval == null) {
+            return null;
+        }
+
+        return new String(bval);
+    }
+
+    public byte[] getByteArray(byte tag) {
+        byte[] bval = mParams.get(tag);
+
+        return bval;
+    }
+
+    @Override
+    public String toString() {
+        return mParams.toString();
+    }
+}