1 files changed, 63 insertions, 0 deletions
diff --git a/bundle2installable/src/java/com/android/tools/appbundle/bundle2installable/util/ZipWalker.java b/bundle2installable/src/java/com/android/tools/appbundle/bundle2installable/util/ZipWalker.java
new file mode 100644
index 0000000..71c3060
--- /dev/null
+++ b/bundle2installable/src/java/com/android/tools/appbundle/bundle2installable/util/ZipWalker.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2017 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 com.android.tools.appbundle.bundle2installable.util;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Enumeration;
+import java.util.List;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+public class ZipWalker {
+
+  private String zipFilename;
+  private List<ZipEntryListener> listeners;
+  private ZipFile zipFile;
+
+  public ZipWalker(String zipFilename) {
+    this.zipFilename = zipFilename;
+    this.listeners = new ArrayList<ZipEntryListener>();
+    this.zipFile = null;
+  }
+
+  public void walk() throws IOException {
+    zipFile = new ZipFile(zipFilename);
+    Enumeration<? extends ZipEntry> e = zipFile.entries();
+    ZipEntry entry;
+    while (e.hasMoreElements()) {
+      entry = e.nextElement();
+      System.out.println(String.format("Entry : %s", entry.getName()));
+      for (ZipEntryListener listener : listeners) {
+        listener.notify(zipFile, entry);
+      }
+    }
+  }
+
+  public void addListener(ZipEntryListener listener) {
+    listeners.add(listener);
+  }
+
+  public ZipFile getZipFile() {
+    return zipFile;
+  }
+
+  public interface ZipEntryListener {
+
+    void notify(ZipFile bundle, ZipEntry entry) throws IOException;
+  }
+}