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/*
* Copyright (C) 2015 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.sched.util.codec;
import com.android.sched.util.RunnableHooks;
import com.android.sched.util.config.ConfigurationError;
import com.android.sched.util.file.FileOrDirectory.ChangePermission;
import com.android.sched.util.file.FileOrDirectory.Existence;
import com.android.sched.util.file.FileOrDirectory.Permission;
import com.android.sched.util.file.OutputZipFile;
import com.android.sched.vfs.ReadWriteZipFS;
import com.android.sched.vfs.VFS;
import java.io.IOException;
import javax.annotation.Nonnull;
/**
* This {@link StringCodec} is used to create an instance of {@link VFS} backed by a
* filesystem directory, which is then zipped when closed.
*/
public class ZipFSCodec extends FileOrDirCodec<VFS> {
public ZipFSCodec(@Nonnull Existence existence) {
super(existence, Permission.READ | Permission.WRITE);
}
@Nonnull
public ZipFSCodec changeOwnerPermission() {
setChangePermission(ChangePermission.OWNER);
return this;
}
@Nonnull
public ZipFSCodec changeAllPermission() {
setChangePermission(ChangePermission.EVERYBODY);
return this;
}
@Override
public void checkValue(@Nonnull CodecContext context, @Nonnull VFS dir) {
}
@Override
@Nonnull
public VFS parseString(@Nonnull CodecContext context, @Nonnull String string) {
try {
return checkString(context, string);
} catch (ParsingException e) {
throw new ConfigurationError(e);
}
}
@Override
@Nonnull
public String formatValue(@Nonnull VFS directory) {
return directory.getPath();
}
@Override
@Nonnull
public String getUsage() {
return "a path to a zip archive (" + getUsageDetails() + ")";
}
@Override
@Nonnull
public String getVariableName() {
return "zip";
}
@Override
@Nonnull
public VFS checkString(@Nonnull CodecContext context,
@Nonnull final String string) throws ParsingException {
RunnableHooks hooks = context.getRunnableHooks();
try {
return new ReadWriteZipFS(
new OutputZipFile(context.getWorkingDirectory(), string, hooks, existence, change));
} catch (IOException e) {
throw new ParsingException(e.getMessage(), e);
}
}
}
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