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/*
* Copyright (C) 2014 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.bitmap;
import android.content.res.Resources;
import java.io.IOException;
import java.io.InputStream;
/**
* Simple RequestKey for decoding from a resource id.
*/
public class ResourceRequestKey implements RequestKey {
private Resources mResources;
private int mResId;
/**
* Create a new request key with the given resource id. A resId of 0 will
* return a null request key.
*/
public static ResourceRequestKey from(Resources res, int resId) {
if (resId != 0) {
return new ResourceRequestKey(res, resId);
}
return null;
}
private ResourceRequestKey(Resources res, int resId) {
mResources = res;
mResId = resId;
}
@Override
public Cancelable createFileDescriptorFactoryAsync(RequestKey requestKey, Callback callback) {
return null;
}
@Override
public InputStream createInputStream() throws IOException {
return mResources.openRawResource(mResId);
}
@Override
public boolean hasOrientationExif() throws IOException {
return false;
}
// START AUTO-GENERATED CODE
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ResourceRequestKey that = (ResourceRequestKey) o;
if (mResId != that.mResId) {
return false;
}
return true;
}
@Override
public int hashCode() {
return mResId;
}
// END AUTO-GENERATED CODE
@Override
public String toString() {
return String.format("ResourceRequestKey: %d", mResId);
}
}
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