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-rw-r--r--smccTest/src/main/java/at/gv/egiz/smcc/util/TLVSequence.java83
1 files changed, 83 insertions, 0 deletions
diff --git a/smccTest/src/main/java/at/gv/egiz/smcc/util/TLVSequence.java b/smccTest/src/main/java/at/gv/egiz/smcc/util/TLVSequence.java
new file mode 100644
index 00000000..fc29a7e7
--- /dev/null
+++ b/smccTest/src/main/java/at/gv/egiz/smcc/util/TLVSequence.java
@@ -0,0 +1,83 @@
+package at.gv.egiz.smcc.util;
+
+
+
+import java.util.Iterator;
+import java.util.NoSuchElementException;
+
+/*
+ * 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 TLVSequence implements Iterable<TLV> {
+
+ private byte[] bytes;
+
+ public TLVSequence(byte[] bytes) {
+ this.bytes = bytes;
+ }
+
+ @Override
+ public Iterator<TLV> iterator() {
+ return new TLVIterator();
+ }
+
+ public byte[] getValue(int tag) {
+ for (TLV tlv : this) {
+ if (tlv.getTag() == tag) {
+ return tlv.getValue();
+ }
+ }
+ return null;
+ }
+
+ @Override
+ public String toString() {
+ StringBuilder sb = new StringBuilder();
+ for (TLV tlv : this) {
+ sb.append(tlv).append('\n');
+ }
+ return sb.toString();
+ }
+
+ private class TLVIterator implements Iterator<TLV> {
+
+ private int pos = 0;
+
+ @Override
+ public boolean hasNext() {
+ return (bytes.length - pos > 2);
+ }
+
+ @Override
+ public TLV next() {
+ if (hasNext()) {
+ TLV tlv = new TLV(bytes, pos);
+ pos += tlv.getLength() + 2;
+ return tlv;
+ } else {
+ throw new NoSuchElementException();
+ }
+ }
+
+ @Override
+ public void remove() {
+ throw new UnsupportedOperationException();
+ }
+
+ }
+
+}