org.glassfish.embeddable.archive.Assembler Maven / Gradle / Ivy
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/*
* Copyright (c) 2023 Contributors to the Eclipse Foundation. All rights reserved.
* Copyright (c) 2010, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package org.glassfish.embeddable.archive;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Map;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import java.util.regex.Pattern;
import java.util.zip.ZipEntry;
import java.util.zip.ZipException;
/**
* @author [email protected]
*/
class Assembler {
public URI assemble(ScatteredArchive archive) throws IOException {
switch (archive.type) {
case WAR:
return assembleWAR(archive.name, archive.rootDirectory,
archive.classpaths, archive.metadatas);
case JAR:
return assembleJAR(archive.name, archive.rootDirectory,
archive.classpaths, archive.metadatas);
case RAR:
return assembleRAR(archive.name, archive.rootDirectory,
archive.classpaths, archive.metadatas);
}
return null; // will never come here.
}
public URI assemble(ScatteredEnterpriseArchive archive) throws IOException {
return assembleEAR(archive.name, archive.archives, archive.metadatas);
}
static File createArchiveFile(String name, String extension) throws IOException {
File tmpDir = Files.createTempDirectory("gftmp").toFile();
tmpDir.deleteOnExit();
File archiveFile = new File(tmpDir, name + extension);
archiveFile.deleteOnExit();
return archiveFile;
}
private URI assembleEAR(String name, Map archives,
Map metadatas) throws IOException {
File ear = createArchiveFile(name, ".ear");
JarOutputStream jos = new JarOutputStream(new FileOutputStream(ear));
for (Map.Entry me : metadatas.entrySet()) {
tranferFile(me.getValue(), jos, me.getKey(), false);
}
for (Map.Entry ame : archives.entrySet()) {
File archive = ame.getValue();
if (archive.isDirectory()) {
archive = new File(assembleJAR(ame.getKey(), archive,
Collections.EMPTY_LIST, Collections.EMPTY_MAP));
}
tranferFile(archive, jos, ame.getKey(), false);
}
jos.close();
return ear.toURI();
}
URI assembleWAR(String name, File rootDirectory, List classpaths,
Map metadatas) throws IOException {
File archive = createArchiveFile(name, ".war");
JarOutputStream jos = new JarOutputStream(new FileOutputStream(archive));
transferDir(rootDirectory, jos, "");
for (Map.Entry me : metadatas.entrySet()) {
tranferFile(me.getValue(), jos, me.getKey(), false);
}
for (File classpath : classpaths) {
if (classpath.isDirectory()) {
transferDir(classpath, jos, "WEB-INF/classes/");
} else {
tranferFile(classpath, jos, "WEB-INF/lib/" + classpath.getName(), false);
}
}
jos.close();
return archive.toURI();
}
URI assembleJAR(String name, File rootDirectory, List classpaths,
Map metadatas) throws IOException {
File archive = createArchiveFile(name, ".jar");
JarOutputStream jos = new JarOutputStream(new FileOutputStream(archive));
transferDir(rootDirectory, jos, "");
for (Map.Entry me : metadatas.entrySet()) {
tranferFile(me.getValue(), jos, me.getKey(), false);
}
for (File classpath : classpaths) {
if (classpath.isDirectory()) {
transferDir(classpath, jos, "");
} else {
tranferFile(classpath, jos, "", true);
}
}
jos.close();
return archive.toURI();
}
URI assembleRAR(String name, File rootDirectory, List classpaths,
Map metadatas) throws IOException {
File rar = createArchiveFile(name, ".rar");
JarOutputStream jos = new JarOutputStream(new FileOutputStream(rar));
transferDir(rootDirectory, jos, "");
for (Map.Entry me : metadatas.entrySet()) {
tranferFile(me.getValue(), jos, me.getKey(), false);
}
// Make a single connector jar out of all the classpath directories and add it to the RAR file.
List classpathDirs = new ArrayList();
for (File classpath : classpaths) {
if (classpath.isDirectory()) {
classpathDirs.add(classpath);
}
}
if (!classpathDirs.isEmpty()) {
// Compute a unique connector jar name
String connectorJarName = name;
List topLevelFileNames = new ArrayList();
topLevelFileNames.addAll(getFileNames(classpaths));
topLevelFileNames.addAll(getFileNames(rootDirectory));
int count = 0;
while (topLevelFileNames.contains(connectorJarName + ".jar")) {
connectorJarName = name + "_" + count;
++count;
}
File connectorJar = new File(assembleJAR(connectorJarName, null,
classpathDirs, Collections.EMPTY_MAP));
tranferFile(connectorJar, jos, connectorJar.getName(), false);
}
// Add all the classpath files to the RAR files.
for (File classpath : classpaths) {
if (!classpath.isDirectory()) {
tranferFile(classpath, jos, classpath.getName(), false);
}
}
jos.close();
return rar.toURI();
}
void transferDir(File dir, JarOutputStream jos, String entryNamePrefix)
throws IOException {
transferDir(dir, dir, jos, entryNamePrefix);
}
void transferDir(File basedir, File dir, JarOutputStream jos, String entryNamePrefix)
throws IOException {
if (dir == null || jos == null) {
return;
}
for (File f : dir.listFiles()) {
if (f.isFile()) {
String entryName = entryNamePrefix +
f.getPath().substring(basedir.getPath().length() + 1);
tranferFile(f, jos, entryName, false);
} else {
transferDir(basedir, f, jos, entryNamePrefix);
}
}
}
void tranferFile(File file, JarOutputStream jos, String entryName, boolean explodeFile)
throws IOException {
if (explodeFile) {
tranferEntries(file, jos);
} else {
transferFile(file, jos, entryName);
}
}
void transferFile(File file, JarOutputStream jos, String entryName) throws IOException {
if (file == null || jos == null || entryName == null) {
return;
}
ZipEntry entry = new ZipEntry(entryName);
try {
jos.putNextEntry(entry);
} catch (ZipException ex) {
return;
}
FileInputStream fin = new FileInputStream(file);
transferContents(fin, jos);
jos.closeEntry();
}
void tranferEntries(File file, JarOutputStream jos) throws IOException {
if (file == null || jos == null) {
return;
}
JarFile jarFile = null;
try {
jarFile = new JarFile(file);
Enumeration entries = jarFile.entries();
while (entries.hasMoreElements()) {
JarEntry entry = entries.nextElement();
if (!entry.isDirectory() && !exclude(entry)) {
try (InputStream in = jarFile.getInputStream(entry)) {
try {
jos.putNextEntry(new ZipEntry(entry.getName()));
} catch (ZipException ex) {
continue;
}
transferContents(in, jos);
jos.closeEntry();
}
}
}
} finally {
if (jarFile != null) {
try {
jarFile.close();
} catch (IOException ioe) {
//ignore
}
}
}
}
void transferContents(InputStream fin, JarOutputStream jos)
throws IOException {
if (fin == null || jos == null) {
return;
}
int read = 0;
byte[] buffer = new byte[8192];
while ((read = fin.read(buffer, 0, buffer.length)) != -1) {
jos.write(buffer, 0, read);
}
jos.flush();
}
private List getFileNames(File directory) {
if (directory != null && directory.exists() && directory.isDirectory()) {
return getFileNames(Arrays.asList(directory.listFiles()));
}
return Collections.EMPTY_LIST;
}
private List getFileNames(List files) {
List result = new ArrayList();
for (File f : files) {
if (!f.isDirectory()) {
result.add(f.getName());
}
}
return result;
}
private static final List EXCLUDE_JAR_ENTRIES = new ArrayList();
static {
EXCLUDE_JAR_ENTRIES.add(Pattern.compile("META-INF/MANIFEST\\.MF"));
EXCLUDE_JAR_ENTRIES.add(Pattern.compile("META-INF/.*\\.RSA"));
EXCLUDE_JAR_ENTRIES.add(Pattern.compile("META-INF/.*\\.inf"));
EXCLUDE_JAR_ENTRIES.add(Pattern.compile("META-INF/.*\\.SF"));
// EXCLUDE_FILES.add(Pattern.compile("\\.svn.*"));
// EXCLUDE_FILES.add(Pattern.compile("WEB-INF/\\.svn.*"));
}
private boolean exclude(JarEntry entry) {
for (Pattern p : EXCLUDE_JAR_ENTRIES) {
if (p.matcher(entry.getName()).matches()) {
return true;
}
}
return false;
}
}