/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.commons.compress.archivers;
import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import org.apache.commons.compress.AbstractTestCase;
import org.apache.commons.compress.archivers.ar.ArArchiveEntry;
import org.apache.commons.compress.utils.IOUtils;
public final class ArTestCase extends AbstractTestCase {
public void testArArchiveCreation() throws Exception {
final File output = new File(dir, "bla.ar");
final File file1 = getFile("test1.xml");
final File file2 = getFile("test2.xml");
final OutputStream out = new FileOutputStream(output);
final ArchiveOutputStream os = new ArchiveStreamFactory().createArchiveOutputStream("ar", out);
os.putArchiveEntry(new ArArchiveEntry("test1.xml", file1.length()));
IOUtils.copy(new FileInputStream(file1), os);
os.closeArchiveEntry();
os.putArchiveEntry(new ArArchiveEntry("test2.xml", file2.length()));
IOUtils.copy(new FileInputStream(file2), os);
os.closeArchiveEntry();
os.close();
}
public void testArUnarchive() throws Exception {
final File output = new File(dir, "bla.ar");
{
final File file1 = getFile("test1.xml");
final File file2 = getFile("test2.xml");
final OutputStream out = new FileOutputStream(output);
final ArchiveOutputStream os = new ArchiveStreamFactory().createArchiveOutputStream("ar", out);
os.putArchiveEntry(new ArArchiveEntry("test1.xml", file1.length()));
IOUtils.copy(new FileInputStream(file1), os);
os.closeArchiveEntry();
os.putArchiveEntry(new ArArchiveEntry("test2.xml", file2.length()));
IOUtils.copy(new FileInputStream(file2), os);
os.closeArchiveEntry();
os.close();
out.close();
}
// UnArArchive Operation
final File input = output;
final InputStream is = new FileInputStream(input);
final ArchiveInputStream in = new ArchiveStreamFactory().createArchiveInputStream(new BufferedInputStream(is));
final ArArchiveEntry entry = (ArArchiveEntry)in.getNextEntry();
File target = new File(dir, entry.getName());
final OutputStream out = new FileOutputStream(target);
IOUtils.copy(in, out);
out.close();
in.close();
is.close();
}
public void testArDelete() throws Exception {
final File output = new File(dir, "bla.ar");
final File file1 = getFile("test1.xml");
final File file2 = getFile("test2.xml");
{
// create
final OutputStream out = new FileOutputStream(output);
final ArchiveOutputStream os = new ArchiveStreamFactory().createArchiveOutputStream("ar", out);
os.putArchiveEntry(new ArArchiveEntry("test1.xml", file1.length()));
IOUtils.copy(new FileInputStream(file1), os);
os.closeArchiveEntry();
os.putArchiveEntry(new ArArchiveEntry("test2.xml", file2.length()));
IOUtils.copy(new FileInputStream(file2), os);
os.closeArchiveEntry();
os.close();
out.close();
}
assertEquals(8
+ 60 + file1.length() + (file1.length() % 2)
+ 60 + file2.length() + (file2.length() % 2),
output.length());
final File output2 = new File(dir, "bla2.ar");
int copied = 0;
int deleted = 0;
{
// remove all but one file
final InputStream is = new FileInputStream(output);
final OutputStream os = new FileOutputStream(output2);
final ArchiveOutputStream aos = new ArchiveStreamFactory().createArchiveOutputStream("ar", os);
final ArchiveInputStream ais = new ArchiveStreamFactory().createArchiveInputStream(new BufferedInputStream(is));
while(true) {
final ArArchiveEntry entry = (ArArchiveEntry)ais.getNextEntry();
if (entry == null) {
break;
}
if ("test1.xml".equals(entry.getName())) {
aos.putArchiveEntry(entry);
IOUtils.copy(ais, aos);
aos.closeArchiveEntry();
copied++;
} else {
IOUtils.copy(ais, new ByteArrayOutputStream());
deleted++;
}
}
ais.close();
aos.close();
is.close();
os.close();
}
assertEquals(1, copied);
assertEquals(1, deleted);
assertEquals(8
+ 60 + file1.length() + (file1.length() % 2),
output2.length());
long files = 0;
long sum = 0;
{
final InputStream is = new FileInputStream(output2);
final ArchiveInputStream ais = new ArchiveStreamFactory().createArchiveInputStream(new BufferedInputStream(is));
while(true) {
final ArArchiveEntry entry = (ArArchiveEntry)ais.getNextEntry();
if (entry == null) {
break;
}
IOUtils.copy(ais, new ByteArrayOutputStream());
sum += entry.getLength();
files++;
}
ais.close();
is.close();
}
assertEquals(1, files);
assertEquals(file1.length(), sum);
}
}