1 files changed, 84 insertions, 0 deletions
diff --git a/smccTest/src/main/java/at/gv/egiz/smcc/util/TLV.java b/smccTest/src/main/java/at/gv/egiz/smcc/util/TLV.java
new file mode 100644
index 00000000..b67fe3fa
--- /dev/null
+++ b/smccTest/src/main/java/at/gv/egiz/smcc/util/TLV.java
@@ -0,0 +1,84 @@
+package at.gv.egiz.smcc.util;
+
+
+
+/*
+ * Copyright 2009 Federal Chancellery Austria and
+ * Graz University of Technology
+ *
+ * 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.
+ */
+
+public class TLV {
+  
+  private byte[] bytes;
+  private int start;
+  
+  public TLV(byte[] bytes, int start) {
+    if (bytes.length - start < 2) {
+      throw new IllegalArgumentException("TLV must at least consit of tag and length.");
+    }
+    this.bytes = bytes;
+    this.start = start;
+  }
+
+  /**
+   * @return the tag
+   */
+  public int getTag() {
+    return 0xFF & bytes[start];
+  }
+
+  /**
+   * @return the length
+   */
+  public int getLength() {
+    return 0xFF & bytes[start + 1];
+  }
+
+  /**
+   * @return the value
+   */
+  public byte[] getValue() {
+    byte[] value = new byte[getLength()];
+    System.arraycopy(bytes, start + 2, value, 0, value.length);
+    return value;
+  }
+
+  /* (non-Javadoc)
+   * @see java.lang.Object#toString()
+   */
+  @Override
+  public String toString() {
+    return "Tag = " + Integer.toHexString(getTag()) + ", Length = " + getLength() + ", Value = " + toString(getValue());
+  }
+  
+  public static String toString(byte[] b) {
+    StringBuffer sb = new StringBuffer();
+    sb.append('[');
+    if (b != null && b.length > 0) {
+      sb.append(Integer.toHexString((b[0] & 240) >> 4));
+      sb.append(Integer.toHexString(b[0] & 15));
+      for (int i = 1; i < b.length; i++) {
+        sb.append((i % 32 == 0) ? '\n' : ':');
+        sb.append(Integer.toHexString((b[i] & 240) >> 4));
+        sb.append(Integer.toHexString(b[i] & 15));
+      }
+    }
+    sb.append(']');
+    return sb.toString();
+  }
+
+  
+
+}