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// Copyright 2015 The Bazel Authors. 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.devtools.build.android.ziputils;
import java.io.IOException;
import java.nio.ByteBuffer;
/**
* Entry handler to pass to {@link ZipIn#scanEntries(EntryHandler)}. Implementations,
* typically perform actions such as selecting, copying, renaming, merging, entries,
* and writing entries to one or more {@link ZipOut}.
*/
public interface EntryHandler {
/**
* Handles a zip file entry. Called by the {@code ZipIn} scanner, for each entry.
*
* @param in The {@code ZipIn} from which we're called.
* @param header The header for the entry to handle.
* @param dirEntry The directory entry corresponding to this entry.
* @param data byte buffer containing the data of the entry. If the data size cannot be
* determine from the header or directory entry (zip error), then the provided buffer
* may not contain all of the data.
* @throws IOException implementations may thrown an IOException to signal that an error occurred
* handling an entry. An IOException may also be generated by certain methods that the
* may invoke on the arguments passed to this method.
*/
void handle(ZipIn in, LocalFileHeader header, DirectoryEntry dirEntry, ByteBuffer data)
throws IOException;
}
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