com.google.gerrit.client.rpc.TransformCallback Maven / Gradle / Ivy
// 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.google.gerrit.client.rpc;
import com.google.gwt.user.client.rpc.AsyncCallback;
/** Transforms a value and passes it on to another callback. */
public abstract class TransformCallback implements AsyncCallback {
private final AsyncCallback callback;
protected TransformCallback(AsyncCallback callback) {
this.callback = callback;
}
@Override
public void onSuccess(I result) {
callback.onSuccess(transform(result));
}
@Override
public void onFailure(Throwable caught) {
callback.onFailure(caught);
}
protected abstract O transform(I result);
}
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