Initial checkin of the Java OfflineContentProvider

components/offline_items_collection/core/android/java/src/org/chromium/components/offline_items_collection/OfflineItemBridge.java

Index: components/offline_items_collection/core/android/java/src/org/chromium/components/offline_items_collection/OfflineItemBridge.java
diff --git a/components/offline_items_collection/core/android/java/src/org/chromium/components/offline_items_collection/OfflineItemBridge.java b/components/offline_items_collection/core/android/java/src/org/chromium/components/offline_items_collection/OfflineItemBridge.java
new file mode 100644
index 0000000000000000000000000000000000000000..6817870130136ac96f142ca401c78a86548972ba
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+++ b/components/offline_items_collection/core/android/java/src/org/chromium/components/offline_items_collection/OfflineItemBridge.java
@@ -0,0 +1,70 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.components.offline_items_collection;
+
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.base.annotations.JNINamespace;
+import org.chromium.components.offline_items_collection.OfflineItemFilter.OfflineItemFilterEnum;
+import org.chromium.components.offline_items_collection.OfflineItemState.OfflineItemStateEnum;
+
+import java.util.ArrayList;
+
+/**
+ * The Java counterpart to the C++ class OfflineItemBridge
+ * (components/offline_items_collection/core/android/offline_item_bridge.h).  This class has no
+ * public members or methods and is meant as a private factory to build {@link OfflineItem}
+ * instances.
+ */
+@JNINamespace("offline_items_collection::android")
+public class OfflineItemBridge {
+    private OfflineItemBridge() {}
+
+    /**
+     * This is a helper method to allow C++ to create an {@link ArrayList} to add
+     * {@link OfflineItem}s to.
+     * @return An {@link ArrayList} for {@link OfflineItem}s.
+     */
+    @CalledByNative
+    private static ArrayList<OfflineItem> createArrayList() {
+        return new ArrayList<OfflineItem>();
+    }
+
+    /**
+     * Creates an {@link OfflineItem} from the passed in parameters.  See {@link OfflineItem} for a
+     * list of the members that will be populated.  If {@code list} isn't {@code null}, the newly
+     * created {@link OfflineItem} will be added to it.
+     * @param list An {@link ArrayList} to optionally add the newly created {@link OfflineItem} to.
+     * @return The newly created {@link OfflineItem} based on the passed in parameters.
+     */
+    @CalledByNative
+    private static OfflineItem createOfflineItemAndMaybeAddToList(ArrayList<OfflineItem> list,
+            String nameSpace, String id, String title, String description,
+            @OfflineItemFilterEnum int filter, long totalSizeBytes, boolean externallyRemoved,
+            long creationTimeMs, long lastAccessedTimeMs, String pageUrl, String originalUrl,
+            boolean isOffTheRecord, @OfflineItemStateEnum int state, boolean isResumable,
+            long receivedBytes, int percentCompleted, long timeRemainingMs) {
+        OfflineItem item = new OfflineItem();
+        item.id.namespace = nameSpace;
+        item.id.id = id;
+        item.title = title;
+        item.description = description;
+        item.filter = filter;
+        item.totalSizeBytes = totalSizeBytes;
+        item.externallyRemoved = externallyRemoved;
+        item.creationTimeMs = creationTimeMs;
+        item.lastAccessedTimeMs = lastAccessedTimeMs;
+        item.pageUrl = pageUrl;
+        item.originalUrl = originalUrl;
+        item.isOffTheRecord = isOffTheRecord;
+        item.state = state;
+        item.isResumable = isResumable;
+        item.receivedBytes = receivedBytes;
+        item.percentCompleted = percentCompleted;
+        item.timeRemainingMs = timeRemainingMs;
+
+        if (list != null) list.add(item);
+        return item;
+    }
+}