/*
* Copyright 2009 the original author or authors.
*
* 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 org.gradle.api.internal.file.archive;
import org.gradle.api.GradleException;
import org.gradle.api.UncheckedIOException;
import org.gradle.api.internal.file.copy.CopyAction;
import org.gradle.api.file.FileVisitDetails;
import org.apache.tools.tar.TarOutputStream;
import org.apache.tools.tar.TarEntry;
import org.apache.tools.bzip2.CBZip2OutputStream;
import org.apache.tools.zip.UnixStat;
import org.gradle.api.internal.file.copy.EmptyCopySpecVisitor;
import org.gradle.api.internal.file.copy.ReadableCopySpec;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.zip.GZIPOutputStream;
public class TarCopySpecVisitor extends EmptyCopySpecVisitor {
private TarOutputStream tarOutStr;
private File tarFile;
private ReadableCopySpec spec;
public void startVisit(CopyAction action) {
TarCopyAction archiveAction = (TarCopyAction) action;
try {
tarFile = archiveAction.getArchivePath();
OutputStream outStr = new FileOutputStream(tarFile);
switch (archiveAction.getCompression()) {
case GZIP:
outStr = new GZIPOutputStream(outStr);
break;
case BZIP2:
outStr.write('B');
outStr.write('Z');
outStr = new CBZip2OutputStream(outStr);
break;
}
tarOutStr = new TarOutputStream(outStr);
tarOutStr.setLongFileMode(TarOutputStream.LONGFILE_GNU);
} catch (Exception e) {
throw new GradleException(String.format("Could not create TAR '%s'.", tarFile), e);
}
}
public void endVisit() {
try {
tarOutStr.close();
} catch (IOException e) {
throw new UncheckedIOException(e);
} finally {
tarOutStr = null;
spec = null;
}
}
public void visitSpec(ReadableCopySpec spec) {
this.spec = spec;
}
public void visitFile(FileVisitDetails fileDetails) {
try {
TarEntry archiveEntry = new TarEntry(fileDetails.getRelativePath().getPathString());
archiveEntry.setModTime(fileDetails.getLastModified());
archiveEntry.setSize(fileDetails.getSize());
archiveEntry.setMode(UnixStat.FILE_FLAG | spec.getFileMode());
tarOutStr.putNextEntry(archiveEntry);
fileDetails.copyTo(tarOutStr);
tarOutStr.closeEntry();
} catch (Exception e) {
throw new GradleException(String.format("Could not add %s to TAR '%s'.", fileDetails, tarFile), e);
}
}
public void visitDir(FileVisitDetails dirDetails) {
try {
// Trailing slash on name indicates entry is a directory
TarEntry archiveEntry = new TarEntry(dirDetails.getRelativePath().getPathString() + '/');
archiveEntry.setModTime(dirDetails.getLastModified());
archiveEntry.setMode(UnixStat.DIR_FLAG | spec.getDirMode());
tarOutStr.putNextEntry(archiveEntry);
tarOutStr.closeEntry();
} catch (Exception e) {
throw new GradleException(String.format("Could not add %s to TAR '%s'.", dirDetails, tarFile), e);
}
}
public boolean getDidWork() {
return true;
}
}