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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.jack.library;
import com.android.jack.LibraryException;
import com.android.sched.util.RunnableHooks;
import com.android.sched.util.codec.CodecContext;
import com.android.sched.util.codec.MessageDigestCodec;
import com.android.sched.util.codec.ParsingException;
import com.android.sched.util.codec.StringCodec;
import com.android.sched.util.config.ConfigurationError;
import com.android.sched.util.config.MessageDigestFactory;
import com.android.sched.util.file.CannotCreateFileException;
import com.android.sched.util.file.CannotSetPermissionException;
import com.android.sched.util.file.Directory;
import com.android.sched.util.file.FileAlreadyExistsException;
import com.android.sched.util.file.FileOrDirectory;
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.InputZipFile;
import com.android.sched.util.file.NoSuchFileException;
import com.android.sched.util.file.NotFileOrDirectoryException;
import com.android.sched.util.file.WrongPermissionException;
import com.android.sched.vfs.CaseInsensitiveFS;
import com.android.sched.vfs.DirectFS;
import com.android.sched.vfs.ReadZipFS;
import com.android.sched.vfs.VFS;
import com.android.sched.vfs.WrongVFSFormatException;
import java.io.File;
import java.security.Provider.Service;
import java.util.Collections;
import java.util.List;
import java.util.zip.ZipException;
import javax.annotation.CheckForNull;
import javax.annotation.Nonnull;
/**
* This {@link StringCodec} is used to create an instance of {@link InputJackLibrary}.
*/
public class InputJackLibraryCodec implements StringCodec<InputJackLibrary> {
@Nonnull
private final MessageDigestCodec messageDigestCodec = new MessageDigestCodec();
@Override
@Nonnull
public InputJackLibrary parseString(@Nonnull CodecContext context, @Nonnull String string) {
try {
return checkString(context, string);
} catch (ParsingException e) {
throw new ConfigurationError(e);
}
}
@SuppressWarnings("resource")
@Override
@CheckForNull
public InputJackLibrary checkString(@Nonnull CodecContext context, @Nonnull String string)
throws ParsingException {
try {
VFS vfs;
Directory workingDirectory = context.getWorkingDirectory();
File dirOrZip = FileOrDirectory.getFileFromWorkingDirectory(workingDirectory, string);
if (dirOrZip.isDirectory()) {
DirectFS directFS = new DirectFS(new Directory(workingDirectory,
string,
context.getRunnableHooks(),
Existence.MUST_EXIST,
Permission.READ | Permission.WRITE,
ChangePermission.NOCHANGE), Permission.READ | Permission.WRITE);
try {
Service service = messageDigestCodec.checkString(context, "SHA");
vfs = new CaseInsensitiveFS(directFS, /* nbGroup = */ 1, /* szGroup = */ 2,
new MessageDigestFactory(service), /* debug = */ false);
} catch (WrongVFSFormatException e) {
vfs = directFS;
}
} else {
RunnableHooks hooks = context.getRunnableHooks();
vfs = new ReadZipFS(new InputZipFile(workingDirectory, string, hooks,
Existence.MUST_EXIST, ChangePermission.NOCHANGE));
}
return JackLibraryFactory.getInputLibrary(vfs);
} catch (LibraryException e) {
throw new ParsingException(e.getMessage(), e);
} catch (NotFileOrDirectoryException e) {
// we already checked it this was a dir or a file
throw new AssertionError(e);
} catch (FileAlreadyExistsException e) {
// the file or dir already exists
throw new AssertionError(e);
} catch (CannotCreateFileException e) {
// the file or dir already exists
throw new AssertionError(e);
} catch (CannotSetPermissionException e) {
// we're not changing the permissions
throw new AssertionError(e);
} catch (WrongPermissionException e) {
throw new ParsingException(e.getMessage(), e);
} catch (NoSuchFileException e) {
throw new ParsingException(e.getMessage(), e);
} catch (ZipException e) {
throw new ParsingException(e.getMessage(), e);
}
}
@Override
@Nonnull
public String getUsage() {
return "a path to a jack library";
}
@Override
@Nonnull
public String getVariableName() {
return "jack";
}
@Override
@Nonnull
public List<ValueDescription> getValueDescriptions() {
return Collections.<ValueDescription> emptyList();
}
@Override
@Nonnull
public String formatValue(@Nonnull InputJackLibrary data) {
return data.getPath();
}
@Override
public void checkValue(@Nonnull CodecContext context, @Nonnull InputJackLibrary data) {
}
}
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