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albertus82/.jdk1.8.jinfo

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Last active August 19, 2018 16:02
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Generate ".jdk1.8.jinfo" and "alternatives.sh" files to install java 8 using ubuntu alternatives.
Raw
.jdk1.8.jinfo
alias=jdk1.8
section=non-free
jre servertool /usr/lib/jvm/jdk1.8/jre/bin/servertool
jre keytool /usr/lib/jvm/jdk1.8/jre/bin/keytool
jre java /usr/lib/jvm/jdk1.8/jre/bin/java
jre jcontrol /usr/lib/jvm/jdk1.8/jre/bin/jcontrol
jre rmid /usr/lib/jvm/jdk1.8/jre/bin/rmid
jre ControlPanel /usr/lib/jvm/jdk1.8/jre/bin/ControlPanel
jre rmiregistry /usr/lib/jvm/jdk1.8/jre/bin/rmiregistry
jre orbd /usr/lib/jvm/jdk1.8/jre/bin/orbd
jre jjs /usr/lib/jvm/jdk1.8/jre/bin/jjs
jre pack200 /usr/lib/jvm/jdk1.8/jre/bin/pack200
jre tnameserv /usr/lib/jvm/jdk1.8/jre/bin/tnameserv
jre unpack200 /usr/lib/jvm/jdk1.8/jre/bin/unpack200
jre policytool /usr/lib/jvm/jdk1.8/jre/bin/policytool
jre javaws /usr/lib/jvm/jdk1.8/jre/bin/javaws
jdk rmic /usr/lib/jvm/jdk1.8/bin/rmic
jdk jvisualvm /usr/lib/jvm/jdk1.8//bin/jvisualvm
jdk xjc /usr/lib/jvm/jdk1.8/bin/xjc
jdk jinfo /usr/lib/jvm/jdk1.8/bin/jinfo
jdk schemagen /usr/lib/jvm/jdk1.8/bin/schemagen
jdk jdb /usr/lib/jvm/jdk1.8/bin/jdb
jdk java-rmi.cgi /usr/lib/jvm/jdk1.8/bin/java-rmi.cgi
jdk wsimport /usr/lib/jvm/jdk1.8/bin/wsimport
jdk jarsigner /usr/lib/jvm/jdk1.8/bin/jarsigner
jdk jmap /usr/lib/jvm/jdk1.8/bin/jmap
jdk serialver /usr/lib/jvm/jdk1.8/bin/serialver
jdk jcmd /usr/lib/jvm/jdk1.8/bin/jcmd
jdk native2ascii /usr/lib/jvm/jdk1.8/bin/native2ascii
jdk jstatd /usr/lib/jvm/jdk1.8/bin/jstatd
jdk javac /usr/lib/jvm/jdk1.8/bin/javac
jdk jstack /usr/lib/jvm/jdk1.8/bin/jstack
jdk wsgen /usr/lib/jvm/jdk1.8/bin/wsgen
jdk jmc.ini /usr/lib/jvm/jdk1.8/bin/jmc.ini
jdk idlj /usr/lib/jvm/jdk1.8/bin/idlj
jdk javah /usr/lib/jvm/jdk1.8/bin/javah
jdk jmc /usr/lib/jvm/jdk1.8/bin/jmc
jdk javafxpackager /usr/lib/jvm/jdk1.8/bin/javafxpackager
jdk javapackager /usr/lib/jvm/jdk1.8/bin/javapackager
jdk jsadebugd /usr/lib/jvm/jdk1.8/bin/jsadebugd
jdk jps /usr/lib/jvm/jdk1.8/bin/jps
jdk jrunscript /usr/lib/jvm/jdk1.8/bin/jrunscript
jdk jhat /usr/lib/jvm/jdk1.8/bin/jhat
jdk javap /usr/lib/jvm/jdk1.8/bin/javap
jdk jdeps /usr/lib/jvm/jdk1.8/bin/jdeps
jdk jstat /usr/lib/jvm/jdk1.8/bin/jstat
jdk appletviewer /usr/lib/jvm/jdk1.8/bin/appletviewer
jdk extcheck /usr/lib/jvm/jdk1.8/bin/extcheck
jdk javadoc /usr/lib/jvm/jdk1.8/bin/javadoc
jdk jar /usr/lib/jvm/jdk1.8/bin/jar
jdk jconsole /usr/lib/jvm/jdk1.8/bin/jconsole
Raw
alternatives.java
import java.io.Closeable;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;
/** @see <a href="https://gist.github.com/olagache/a2eff8b2bbc95e03280b#file-configgeneration-groovy">https://gist.github.com/olagache/a2eff8b2bbc95e03280b#file-configgeneration-groovy</a> */
public class alternatives {
private static final Scanner in = new Scanner(System.in);
public static void main(final String... args) throws IOException {
try {
final alternatives ga;
switch (args.length) {
case 2:
final File file = new File(args[0]).getCanonicalFile();
ga = new alternatives(file, file, Integer.parseInt(args[1]));
break;
case 3:
ga = new alternatives(new File(args[0]).getCanonicalFile(), new File(args[1]).getAbsoluteFile(), Integer.parseInt(args[2]));
break;
default:
System.out.println("Usage: java " + alternatives.class.getName() + " JDK_HOME [JDK_LINK] PRIORITY");
return;
}
ga.validate();
ga.generate();
}
finally {
in.close();
}
}
private final File jdkHome; // /usr/lib/jvm/jdk1.7.0_75
private final File jdkLink; // /usr/lib/jvm/java-7-oracle
private final int priority; // 1071
private alternatives(final File jdkHome, final File jdkLink, final int priority) {
this.jdkHome = jdkHome;
this.jdkLink = jdkLink;
this.priority = priority;
}
private void validate() throws IOException {
if (!jdkHome.isDirectory()) {
System.out.println("E: The directory '" + jdkHome.getPath() + "' does not exist.");
System.exit(2);
}
final File javaBinary = new File(jdkHome.getPath() + "/bin/java");
if (!javaBinary.exists() || javaBinary.isDirectory()) {
System.out.println("E: The directory '" + jdkHome.getPath() + "' is not a JDK Root. Java executable was not found.");
System.exit(3);
}
if (jdkHome.getPath().indexOf(' ') != -1) {
System.out.println("E: The path '" + jdkHome.getPath() + "' must not contain whitespace.");
System.exit(4);
}
if (!jdkLink.exists()) {
System.out.println("E: The symbolic link '" + jdkLink.getPath() + "' does not exist.");
System.exit(5);
}
if (jdkLink.getPath().indexOf(' ') != -1) {
System.out.println("E: The path '" + jdkLink.getPath() + "' must not contain whitespace.");
System.exit(6);
}
if (!jdkLink.getCanonicalFile().equals(jdkHome)) {
System.out.println("E: The directory '" + jdkHome.getPath() + "' is not referenced by the symbolic link '" + jdkLink.getPath() + "'.");
System.exit(7);
}
}
private static Set<File> getBinaries(final String basePath) {
final Set<File> binaries = new TreeSet<File>();
for (final String path : new String[] { basePath + "/bin", basePath + "/lib" }) {
final File directory = new File(path);
if (directory.isDirectory()) {
for (final File file : directory.listFiles()) {
if (file.isFile() && file.canExecute() && file.getName().indexOf('.') == -1) {
binaries.add(file);
}
}
}
}
return binaries;
}
private static Iterable<File> getJreBinaries(final File basePath) {
return getBinaries(basePath.getPath() + "/jre");
}
private static Iterable<File> getRootBinaries(final File basePath) {
return getBinaries(basePath.getPath());
}
private Iterable<File> getAllManFiles() {
final File manDir = new File(jdkHome.getPath() + "/man");
if (!manDir.isDirectory()) {
return Collections.emptySet();
}
final Collection<File> allManFiles = new TreeSet<File>();
for (final File manSubDir : manDir.listFiles()) {
if (manSubDir.isDirectory() && manSubDir.getName().startsWith("man")) {
for (final File manFile : manSubDir.listFiles()) {
if (manFile.isFile()) {
allManFiles.add(manFile);
}
}
}
}
return allManFiles;
}
private static Iterable<File> getManFiles(final String binaryName, final Iterable<File> allManFiles) {
final Collection<File> manFiles = new TreeSet<File>();
for (final File manFile : allManFiles) {
if (manFile.getName().startsWith(binaryName + '.')) {
manFiles.add(manFile);
}
}
return manFiles;
}
private static boolean checkFiles(final File... files) {
for (final File file : files) {
if (file.exists()) {
System.out.printf("File '%s' already exists. Overwrite? [y/N] ", file);
if (!in.hasNextLine() || !in.nextLine().trim().toUpperCase().startsWith("Y")) {
return false;
}
}
}
return true;
}
private static boolean isJreOnly(final Iterable<File> rootBinaries) {
for (final File file : rootBinaries) {
if ("javac".equals(file.getName())) {
return false;
}
}
return true;
}
private static void closeQuietly(final Closeable... closeables) {
if (closeables != null) {
for (final Closeable closeable : closeables) {
if (closeable != null) {
try {
closeable.close();
}
catch (final IOException e) {/* Ignore */}
}
}
}
}
private void generate() throws IOException {
final File jif = new File('.' + jdkLink.getName() + ".jinfo");
final File iaf = new File("install-alternatives.sh");
final File raf = new File("remove-alternatives.sh");
if (!checkFiles(jif, iaf, raf)) {
System.out.println("Abort.");
return;
}
FileWriter jifw = null, iafw = null, rafw = null;
PrintWriter jipw = null, iapw = null, rapw = null;
try {
jifw = new FileWriter(jif);
jipw = new PrintWriter(jifw);
iafw = new FileWriter(iaf);
iapw = new PrintWriter(iafw);
rafw = new FileWriter(raf);
rapw = new PrintWriter(rafw);
jipw.printf("name=%s", jdkHome.getName()).println();
if (!jdkHome.getName().equals(jdkLink.getName())) {
jipw.printf("alias=%s", jdkLink.getName()).println();
}
jipw.printf("priority=%d", priority).println();
jipw.println("section=non-free");
jipw.println();
iapw.println("#!/bin/sh");
rapw.println("#!/bin/sh");
// mkdirs for shared manuals
final Iterable<File> allManFiles = getAllManFiles();
final Collection<String> manShareDirs = new TreeSet<String>();
for (final File mf : allManFiles) {
manShareDirs.add("/usr/share" + new File(mf.getPath().substring(mf.getPath().lastIndexOf("/man/"))).getParent());
}
for (final String msd : manShareDirs) {
iapw.println("mkdir -p " + msd);
}
// update-alternatives for explicit JRE binaries
final Collection<String> jreBinaries = new HashSet<String>();
for (final File it : getJreBinaries(jdkHome)) {
if (!jreBinaries.contains(it.getName())) {
jipw.printf("jre %s %s", it.getName(), it.getPath()).println();
iapw.printf("update-alternatives --install /usr/bin/%s %s %s %d", it.getName(), it.getName(), it.getPath(), priority);
for (final File mf : getManFiles(it.getName(), allManFiles)) {
iapw.printf(" --slave /usr/share%s %s %s", mf.getPath().substring(mf.getPath().lastIndexOf("/man/")), mf.getName(), mf.getPath());
}
iapw.println();
rapw.printf("update-alternatives --remove %s %s", it.getName(), it.getPath()).println();
jreBinaries.add(it.getName());
}
}
// update-alternatives for root binaries
final Iterable<File> rootBinaries = getRootBinaries(jdkHome);
final boolean jreOnly = isJreOnly(rootBinaries);
for (final File it : rootBinaries) {
if (!jreBinaries.contains(it.getName())) {
jipw.printf("%s %s %s", jreOnly ? "jre" : "jdk", it.getName(), it.getPath()).println();
iapw.printf("update-alternatives --install /usr/bin/%s %s %s %d", it.getName(), it.getName(), it.getPath(), priority);
for (final File mf : getManFiles(it.getName(), allManFiles)) {
iapw.printf(" --slave /usr/share%s %s %s", mf.getPath().substring(mf.getPath().lastIndexOf("/man/")), mf.getName(), mf.getPath());
}
iapw.println();
rapw.printf("update-alternatives --remove %s %s", it.getName(), it.getPath()).println();
}
}
}
finally {
closeQuietly(rapw, rafw, iapw, iafw, jipw, jifw);
}
System.out.println("Created file '" + jif + "'.");
if (iaf.setExecutable(true)) {
System.out.println("Created executable file '" + iaf + "'.");
}
else {
System.out.println("Created file '" + iaf + "'.");
}
if (raf.setExecutable(true)) {
System.out.println("Created executable file '" + raf + "'.");
}
else {
System.out.println("Created file '" + raf + "'.");
}
}
}
Raw
alternatives.sh
update-alternatives --install /usr/bin/servertool servertool /usr/lib/jvm/jdk1.8/jre/bin/servertool 1820
update-alternatives --install /usr/bin/keytool keytool /usr/lib/jvm/jdk1.8/jre/bin/keytool 1820
update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.8/jre/bin/java 1820
update-alternatives --install /usr/bin/jcontrol jcontrol /usr/lib/jvm/jdk1.8/jre/bin/jcontrol 1820
update-alternatives --install /usr/bin/rmid rmid /usr/lib/jvm/jdk1.8/jre/bin/rmid 1820
update-alternatives --install /usr/bin/ControlPanel ControlPanel /usr/lib/jvm/jdk1.8/jre/bin/ControlPanel 1820
update-alternatives --install /usr/bin/rmiregistry rmiregistry /usr/lib/jvm/jdk1.8/jre/bin/rmiregistry 1820
update-alternatives --install /usr/bin/orbd orbd /usr/lib/jvm/jdk1.8/jre/bin/orbd 1820
update-alternatives --install /usr/bin/jjs jjs /usr/lib/jvm/jdk1.8/jre/bin/jjs 1820
update-alternatives --install /usr/bin/pack200 pack200 /usr/lib/jvm/jdk1.8/jre/bin/pack200 1820
update-alternatives --install /usr/bin/tnameserv tnameserv /usr/lib/jvm/jdk1.8/jre/bin/tnameserv 1820
update-alternatives --install /usr/bin/unpack200 unpack200 /usr/lib/jvm/jdk1.8/jre/bin/unpack200 1820
update-alternatives --install /usr/bin/policytool policytool /usr/lib/jvm/jdk1.8/jre/bin/policytool 1820
update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.8/jre/bin/javaws 1820
update-alternatives --install /usr/bin/rmic rmic /usr/lib/jvm/jdk1.8/bin/rmic 1820
update-alternatives --install /usr/bin/jvisualvm jvisualvm /usr/lib/jvm/jdk1.8/bin/jvisualvm 1820
update-alternatives --install /usr/bin/xjc xjc /usr/lib/jvm/jdk1.8/bin/xjc 1820
update-alternatives --install /usr/bin/jinfo jinfo /usr/lib/jvm/jdk1.8/bin/jinfo 1820
update-alternatives --install /usr/bin/schemagen schemagen /usr/lib/jvm/jdk1.8/bin/schemagen 1820
update-alternatives --install /usr/bin/jdb jdb /usr/lib/jvm/jdk1.8/bin/jdb 1820
update-alternatives --install /usr/bin/java-rmi.cgi java-rmi.cgi /usr/lib/jvm/jdk1.8/bin/java-rmi.cgi 1820
update-alternatives --install /usr/bin/wsimport wsimport /usr/lib/jvm/jdk1.8/bin/wsimport 1820
update-alternatives --install /usr/bin/jarsigner jarsigner /usr/lib/jvm/jdk1.8/bin/jarsigner 1820
update-alternatives --install /usr/bin/jmap jmap /usr/lib/jvm/jdk1.8/bin/jmap 1820
update-alternatives --install /usr/bin/serialver serialver /usr/lib/jvm/jdk1.8/bin/serialver 1820
update-alternatives --install /usr/bin/jcmd jcmd /usr/lib/jvm/jdk1.8/bin/jcmd 1820
update-alternatives --install /usr/bin/native2ascii native2ascii /usr/lib/jvm/jdk1.8/bin/native2ascii 1820
update-alternatives --install /usr/bin/jstatd jstatd /usr/lib/jvm/jdk1.8/bin/jstatd 1820
update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8/bin/javac 1820
update-alternatives --install /usr/bin/jstack jstack /usr/lib/jvm/jdk1.8/bin/jstack 1820
update-alternatives --install /usr/bin/wsgen wsgen /usr/lib/jvm/jdk1.8/bin/wsgen 1820
update-alternatives --install /usr/bin/jmc.ini jmc.ini /usr/lib/jvm/jdk1.8/bin/jmc.ini 1820
update-alternatives --install /usr/bin/idlj idlj /usr/lib/jvm/jdk1.8/bin/idlj 1820
update-alternatives --install /usr/bin/javah javah /usr/lib/jvm/jdk1.8/bin/javah 1820
update-alternatives --install /usr/bin/jmc jmc /usr/lib/jvm/jdk1.8/bin/jmc 1820
update-alternatives --install /usr/bin/javafxpackager javafxpackager /usr/lib/jvm/jdk1.8/bin/javafxpackager 1820
update-alternatives --install /usr/bin/javapackager javapackager /usr/lib/jvm/jdk1.8/bin/javapackager 1820
update-alternatives --install /usr/bin/jsadebugd jsadebugd /usr/lib/jvm/jdk1.8/bin/jsadebugd 1820
update-alternatives --install /usr/bin/jps jps /usr/lib/jvm/jdk1.8/bin/jps 1820
update-alternatives --install /usr/bin/jrunscript jrunscript /usr/lib/jvm/jdk1.8/bin/jrunscript 1820
update-alternatives --install /usr/bin/jhat jhat /usr/lib/jvm/jdk1.8/bin/jhat 1820
update-alternatives --install /usr/bin/javap javap /usr/lib/jvm/jdk1.8/bin/javap 1820
update-alternatives --install /usr/bin/jdeps jdeps /usr/lib/jvm/jdk1.8/bin/jdeps 1820
update-alternatives --install /usr/bin/jstat jstat /usr/lib/jvm/jdk1.8/bin/jstat 1820
update-alternatives --install /usr/bin/appletviewer appletviewer /usr/lib/jvm/jdk1.8/bin/appletviewer 1820
update-alternatives --install /usr/bin/extcheck extcheck /usr/lib/jvm/jdk1.8/bin/extcheck 1820
update-alternatives --install /usr/bin/javadoc javadoc /usr/lib/jvm/jdk1.8/bin/javadoc 1820
update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.8/bin/jar 1820
update-alternatives --install /usr/bin/jconsole jconsole /usr/lib/jvm/jdk1.8/bin/jconsole 1820
update-alternatives --install /usr/lib/xulrunner-addons/plugins/libjavaplugin.so xulrunner-1.9-javaplugin.so /usr/lib/jvm/jdk1.8/jre/lib/amd64/libnpjp2.so 1820
update-alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so mozilla-javaplugin.so /usr/lib/jvm/jdk1.8/jre/lib/amd64/libnpjp2.so 1820
Raw
configGeneration.groovy
/* ============================ */
/* Update this properties first */
/* ============================ */
JDK_HOME = '/usr/lib/jvm/java-8-oracle-amd64'
JDK_LINK = '/usr/lib/jvm/jdk1.8'
PRIORITY = 1820
/* ============================ */
def parentDirectory = new File(JDK_HOME).parent
def jdkName = new File(JDK_HOME).name
def linkName = new File(JDK_LINK).name
private List<String> getBinaries(String path) {
def binaries = new File(path)
if(!binaries.exists() || !binaries.directory) {
return null
}
def binaryFiles = []
binaries.eachFile() { file ->
if(file.isFile() && file.canExecute()) {
binaryFiles << file.name
}
}
binaryFiles
}
def getJreBinaries() {
return getBinaries("${JDK_HOME}/jre/bin")
}
def getJdkBinaries() {
return getBinaries("${JDK_HOME}/bin")
}
if(! new File(JDK_HOME).exists()) {
println "JDK_HOME not found in ${JDK_HOME}"
return
}
if(!new File(JDK_LINK).exists()) {
println "Create symbolic link before : ${JDK_LINK}"
return
}
def jinfoFile = new File(".${linkName}.jinfo")
def alternativesFile = new File("alternatives.sh")
def ln = System.getProperty('line.separator')
if(jinfoFile.exists()) {
jinfoFile.delete()
}
if(alternativesFile.exists()) {
alternativesFile.delete()
}
jinfoFile << "alias=${linkName}$ln"
jinfoFile << "section=non-free$ln"
jreBinaries.each() {
jinfoFile << "jre ${it} ${JDK_LINK}/jre/bin/${it}$ln"
alternativesFile << "update-alternatives --install /usr/bin/${it} ${it} ${JDK_LINK}/jre/bin/${it} ${PRIORITY}$ln"
}
def subJdk = jdkBinaries.findAll { !jreBinaries.contains(it)}
subJdk.each() {
jinfoFile << "jdk ${it} ${JDK_LINK}/bin/${it}$ln"
alternativesFile << "update-alternatives --install /usr/bin/${it} ${it} ${JDK_LINK}/bin/${it} ${PRIORITY}$ln"
}
alternativesFile << "update-alternatives --install /usr/lib/xulrunner-addons/plugins/libjavaplugin.so xulrunner-1.9-javaplugin.so ${JDK_LINK}/jre/lib/amd64/libnpjp2.so ${PRIORITY}$ln"
alternativesFile << "update-alternatives --install /usr/lib/mozilla/plugins/libjavaplugin.so mozilla-javaplugin.so ${JDK_LINK}/jre/lib/amd64/libnpjp2.so ${PRIORITY}$ln"
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