| // Copyright 2016 Google Inc. All rights reserved. |
| // |
| // 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.archivepatcher.generator.bsdiff; |
| |
| import com.google.archivepatcher.generator.DeltaGenerator; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| /** |
| * An implementation of {@link DeltaGenerator} that uses {@link BsDiffPatchWriter} to write a |
| * bsdiff patch that represents the delta between given inputs. |
| */ |
| public class BsDiffDeltaGenerator implements DeltaGenerator { |
| /** |
| * The minimum match length to use for bsdiff. |
| */ |
| private static final int MATCH_LENGTH_BYTES = 16; |
| |
| @Override |
| public void generateDelta(File oldBlob, File newBlob, OutputStream deltaOut) |
| throws IOException, InterruptedException { |
| BsDiffPatchWriter.generatePatch(oldBlob, newBlob, deltaOut, MATCH_LENGTH_BYTES); |
| } |
| } |