1 files changed, 50 insertions, 0 deletions
diff --git a/packages/StatementService/src/com/android/statementservice/retriever/AbstractAssetMatcher.java b/packages/StatementService/src/com/android/statementservice/retriever/AbstractAssetMatcher.java
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+++ b/packages/StatementService/src/com/android/statementservice/retriever/AbstractAssetMatcher.java
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+/*
+ * Copyright (C) 2015 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.statementservice.retriever;
+
+import org.json.JSONException;
+
+/**
+ * An asset matcher that can match asset with the given query.
+ */
+public abstract class AbstractAssetMatcher {
+
+    /**
+     * Returns true if this AssetMatcher matches the asset.
+     */
+    public abstract boolean matches(AbstractAsset asset);
+
+    /**
+     * This AssetMatcher will only match Asset with {@code lookupKey()} equal to the value returned
+     * by this method.
+     */
+    public abstract int getMatchedLookupKey();
+
+    /**
+     * Creates a new AssetMatcher from its JSON string representation.
+     *
+     * <p> For web namespace, {@code query} will match assets that have the same 'site' field.
+     *
+     * <p> For Android namespace, {@code query} will match assets that have the same
+     * 'package_name' field and have at least one common certificate fingerprint in
+     * 'sha256_cert_fingerprints' field.
+     */
+    public static AbstractAssetMatcher createMatcher(String query)
+            throws AssociationServiceException, JSONException {
+        return AssetMatcherFactory.create(query);
+    }
+}