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Diffstat (limited to 'src/com/android/gallery3d/app/TransitionStore.java')
-rw-r--r-- | src/com/android/gallery3d/app/TransitionStore.java | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/app/TransitionStore.java b/src/com/android/gallery3d/app/TransitionStore.java new file mode 100644 index 000000000..aa38ed77e --- /dev/null +++ b/src/com/android/gallery3d/app/TransitionStore.java @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2012 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.gallery3d.app; + +import java.util.HashMap; + +public class TransitionStore { + private HashMap<Object, Object> mStorage = new HashMap<Object, Object>(); + + public void put(Object key, Object value) { + mStorage.put(key, value); + } + + public <T> void putIfNotPresent(Object key, T valueIfNull) { + mStorage.put(key, get(key, valueIfNull)); + } + + @SuppressWarnings("unchecked") + public <T> T get(Object key) { + return (T) mStorage.get(key); + } + + @SuppressWarnings("unchecked") + public <T> T get(Object key, T valueIfNull) { + T value = (T) mStorage.get(key); + return value == null ? valueIfNull : value; + } + + public void clear() { + mStorage.clear(); + } +} |