/* (non-Javadoc)
* @see com.izforge.izpack.installer.IUnpacker#run()
*/
public void run() {
addToInstances();
try {
//
// Initialisations
FileOutputStream out = null;
ArrayList<ParsableFile> parsables = new ArrayList<ParsableFile>();
ArrayList<ExecutableFile> executables = new ArrayList<ExecutableFile>();
ArrayList<UpdateCheck> updatechecks = new ArrayList<UpdateCheck>();
List packs = idata.selectedPacks;
int npacks = packs.size();
handler.startAction("Unpacking", npacks);
udata = UninstallData.getInstance();
// Custom action listener stuff --- load listeners ----
List[] customActions = getCustomActions();
// Custom action listener stuff --- beforePacks ----
informListeners(customActions, InstallerListener.BEFORE_PACKS, idata, npacks, handler);
packs = idata.selectedPacks;
npacks = packs.size();
// We unpack the selected packs
for (int i = 0; i < npacks; i++) {
// We get the pack stream
// int n = idata.allPacks.indexOf(packs.get(i));
Pack p = (Pack) packs.get(i);
// evaluate condition
if (p.hasCondition()) {
if (rules != null) {
if (!rules.isConditionTrue(p.getCondition())) {
// skip pack, condition is not fullfilled.
continue;
}
} else {
// TODO: skip pack, because condition can not be checked
}
}
// Custom action listener stuff --- beforePack ----
informListeners(
customActions, InstallerListener.BEFORE_PACK, packs.get(i), npacks, handler);
ObjectInputStream objIn = new ObjectInputStream(getPackAsStream(p.id, p.uninstall));
// We unpack the files
int nfiles = objIn.readInt();
// We get the internationalized name of the pack
final Pack pack = ((Pack) packs.get(i));
String stepname = pack.name; // the message to be passed to the
// installpanel
if (langpack != null && !(pack.id == null || "".equals(pack.id))) {
final String name = langpack.getString(pack.id);
if (name != null && !"".equals(name)) {
stepname = name;
}
}
handler.nextStep(stepname, i + 1, nfiles);
for (int j = 0; j < nfiles; j++) {
// We read the header
PackFile pf = (PackFile) objIn.readObject();
// TODO: reaction if condition can not be checked
if (pf.hasCondition() && (rules != null)) {
if (!rules.isConditionTrue(pf.getCondition())) {
if (!pf.isBackReference()) {
// skip, condition is not fulfilled
objIn.skip(pf.length());
}
continue;
}
}
if (OsConstraint.oneMatchesCurrentSystem(pf.osConstraints())) {
// We translate & build the path
String path = IoHelper.translatePath(pf.getTargetPath(), vs);
File pathFile = new File(path);
File dest = pathFile;
if (!pf.isDirectory()) {
dest = pathFile.getParentFile();
}
if (!dest.exists()) {
// If there are custom actions which would be called
// at
// creating a directory, create it recursively.
List fileListeners = customActions[customActions.length - 1];
if (fileListeners != null && fileListeners.size() > 0) {
mkDirsWithEnhancement(dest, pf, customActions);
} else
// Create it in on step.
{
if (!dest.mkdirs()) {
handler.emitError(
"Error creating directories",
"Could not create directory\n" + dest.getPath());
handler.stopAction();
this.result = false;
return;
}
}
}
if (pf.isDirectory()) {
continue;
}
// Custom action listener stuff --- beforeFile ----
informListeners(customActions, InstallerListener.BEFORE_FILE, pathFile, pf, null);
// We add the path to the log,
udata.addFile(path, pack.uninstall);
handler.progress(j, path);
// if this file exists and should not be overwritten,
// check
// what to do
if ((pathFile.exists()) && (pf.override() != PackFile.OVERRIDE_TRUE)) {
boolean overwritefile = false;
// don't overwrite file if the user said so
if (pf.override() != PackFile.OVERRIDE_FALSE) {
if (pf.override() == PackFile.OVERRIDE_TRUE) {
overwritefile = true;
} else if (pf.override() == PackFile.OVERRIDE_UPDATE) {
// check mtime of involved files
// (this is not 100% perfect, because the
// already existing file might
// still be modified but the new installed
// is just a bit newer; we would
// need the creation time of the existing
// file or record with which mtime
// it was installed...)
overwritefile = (pathFile.lastModified() < pf.lastModified());
} else {
int def_choice = -1;
if (pf.override() == PackFile.OVERRIDE_ASK_FALSE) {
def_choice = AbstractUIHandler.ANSWER_NO;
}
if (pf.override() == PackFile.OVERRIDE_ASK_TRUE) {
def_choice = AbstractUIHandler.ANSWER_YES;
}
int answer =
handler.askQuestion(
idata.langpack.getString("InstallPanel.overwrite.title")
+ " - "
+ pathFile.getName(),
idata.langpack.getString("InstallPanel.overwrite.question")
+ pathFile.getAbsolutePath(),
AbstractUIHandler.CHOICES_YES_NO,
def_choice);
overwritefile = (answer == AbstractUIHandler.ANSWER_YES);
}
}
if (!overwritefile) {
if (!pf.isBackReference() && !((Pack) packs.get(i)).loose) {
objIn.skip(pf.length());
}
continue;
}
}
// We copy the file
InputStream pis = objIn;
if (pf.isBackReference()) {
InputStream is = getPackAsStream(pf.previousPackId, pack.uninstall);
pis = new ObjectInputStream(is);
// must wrap for blockdata use by objectstream
// (otherwise strange result)
// skip on underlaying stream (for some reason not
// possible on ObjectStream)
is.skip(pf.offsetInPreviousPack - 4);
// but the stream header is now already read (== 4
// bytes)
} else if (((Pack) packs.get(i)).loose) {
/* Old way of doing the job by using the (absolute) sourcepath.
* Since this is very likely to fail and does not confirm to the documentation,
* prefer using relative path's
pis = new FileInputStream(pf.sourcePath);
*/
File resolvedFile = new File(getAbsolutInstallSource(), pf.getRelativeSourcePath());
if (!resolvedFile.exists()) {
// try alternative destination - the current working directory
// user.dir is likely (depends on launcher type) the current directory of the
// executable or jar-file...
final File userDir = new File(System.getProperty("user.dir"));
resolvedFile = new File(userDir, pf.getRelativeSourcePath());
}
if (resolvedFile.exists()) {
pis = new FileInputStream(resolvedFile);
// may have a different length & last modified than we had at compiletime, therefore
// we have to build a new PackFile for the copy process...
pf =
new PackFile(
resolvedFile.getParentFile(),
resolvedFile,
pf.getTargetPath(),
pf.osConstraints(),
pf.override(),
pf.getAdditionals());
} else {
// file not found
// issue a warning (logging api pending)
// since this file was loosely bundled, we continue with the installation.
System.out.println(
"Could not find loosely bundled file: " + pf.getRelativeSourcePath());
out.close();
continue;
}
}
if (pf.isPack200Jar()) {
int key = objIn.readInt();
InputStream pack200Input =
Unpacker.class.getResourceAsStream("/packs/pack200-" + key);
Pack200.Unpacker unpacker = getPack200Unpacker();
java.util.jar.JarOutputStream jarOut =
new java.util.jar.JarOutputStream(new FileOutputStream(pathFile));
unpacker.unpack(pack200Input, jarOut);
jarOut.close();
} else {
out = new FileOutputStream(pathFile);
byte[] buffer = new byte[5120];
long bytesCopied = 0;
while (bytesCopied < pf.length()) {
if (performInterrupted()) { // Interrupt was initiated; perform it.
out.close();
if (pis != objIn) {
pis.close();
}
return;
}
int maxBytes = (int) Math.min(pf.length() - bytesCopied, buffer.length);
int bytesInBuffer = pis.read(buffer, 0, maxBytes);
if (bytesInBuffer == -1) {
throw new IOException("Unexpected end of stream (installer corrupted?)");
}
out.write(buffer, 0, bytesInBuffer);
bytesCopied += bytesInBuffer;
}
out.close();
}
if (pis != objIn) {
pis.close();
}
// Set file modification time if specified
if (pf.lastModified() >= 0) {
pathFile.setLastModified(pf.lastModified());
}
// Custom action listener stuff --- afterFile ----
informListeners(customActions, InstallerListener.AFTER_FILE, pathFile, pf, null);
} else {
if (!pf.isBackReference()) {
objIn.skip(pf.length());
}
}
}
// Load information about parsable files
int numParsables = objIn.readInt();
for (int k = 0; k < numParsables; k++) {
ParsableFile pf = (ParsableFile) objIn.readObject();
if (pf.hasCondition() && (rules != null)) {
if (!rules.isConditionTrue(pf.getCondition())) {
// skip, condition is not fulfilled
continue;
}
}
pf.path = IoHelper.translatePath(pf.path, vs);
parsables.add(pf);
}
// Load information about executable files
int numExecutables = objIn.readInt();
for (int k = 0; k < numExecutables; k++) {
ExecutableFile ef = (ExecutableFile) objIn.readObject();
if (ef.hasCondition() && (rules != null)) {
if (!rules.isConditionTrue(ef.getCondition())) {
// skip, condition is false
continue;
}
}
ef.path = IoHelper.translatePath(ef.path, vs);
if (null != ef.argList && !ef.argList.isEmpty()) {
String arg = null;
for (int j = 0; j < ef.argList.size(); j++) {
arg = ef.argList.get(j);
arg = IoHelper.translatePath(arg, vs);
ef.argList.set(j, arg);
}
}
executables.add(ef);
if (ef.executionStage == ExecutableFile.UNINSTALL) {
udata.addExecutable(ef);
}
}
// Custom action listener stuff --- uninstall data ----
handleAdditionalUninstallData(udata, customActions);
// Load information about updatechecks
int numUpdateChecks = objIn.readInt();
for (int k = 0; k < numUpdateChecks; k++) {
UpdateCheck uc = (UpdateCheck) objIn.readObject();
updatechecks.add(uc);
}
objIn.close();
if (performInterrupted()) { // Interrupt was initiated; perform it.
return;
}
// Custom action listener stuff --- afterPack ----
informListeners(customActions, InstallerListener.AFTER_PACK, packs.get(i), i, handler);
}
// We use the scripts parser
ScriptParser parser = new ScriptParser(parsables, vs);
parser.parseFiles();
if (performInterrupted()) { // Interrupt was initiated; perform it.
return;
}
// We use the file executor
FileExecutor executor = new FileExecutor(executables);
if (executor.executeFiles(ExecutableFile.POSTINSTALL, handler) != 0) {
handler.emitError("File execution failed", "The installation was not completed");
this.result = false;
}
if (performInterrupted()) { // Interrupt was initiated; perform it.
return;
}
// We put the uninstaller (it's not yet complete...)
putUninstaller();
// update checks _after_ uninstaller was put, so we don't delete it
performUpdateChecks(updatechecks);
if (performInterrupted()) { // Interrupt was initiated; perform it.
return;
}
// Custom action listener stuff --- afterPacks ----
informListeners(customActions, InstallerListener.AFTER_PACKS, idata, handler, null);
if (performInterrupted()) { // Interrupt was initiated; perform it.
return;
}
// write installation information
writeInstallationInformation();
// The end :-)
handler.stopAction();
} catch (Exception err) {
// TODO: finer grained error handling with useful error messages
handler.stopAction();
if ("Installation cancelled".equals(err.getMessage())) {
handler.emitNotification("Installation cancelled");
} else {
handler.emitError("An error occured", err.getMessage());
err.printStackTrace();
}
this.result = false;
Housekeeper.getInstance().shutDown(4);
} finally {
removeFromInstances();
}
}
/**
* Returns a stream to a pack, location depending on if it's web based.
*
* @param uninstall true if pack must be uninstalled
* @return The stream or null if it could not be found.
* @throws Exception Description of the Exception
*/
private InputStream getPackAsStream(String packid, boolean uninstall) throws Exception {
InputStream in = null;
String webDirURL = idata.info.getWebDirURL();
packid = "-" + packid;
if (webDirURL == null) // local
{
in = Unpacker.class.getResourceAsStream("/packs/pack" + packid);
} else
// web based
{
// TODO: Look first in same directory as primary jar
// This may include prompting for changing of media
// TODO: download and cache them all before starting copy process
// See compiler.Packager#getJarOutputStream for the counterpart
String baseName = idata.info.getInstallerBase();
String packURL = webDirURL + "/" + baseName + ".pack" + packid + ".jar";
String tf =
IoHelper.translatePath(idata.info.getUninstallerPath() + Unpacker.tempSubPath, vs);
String tempfile;
try {
tempfile = WebRepositoryAccessor.getCachedUrl(packURL, tf);
udata.addFile(tempfile, uninstall);
} catch (Exception e) {
if ("Cancelled".equals(e.getMessage())) {
throw new InstallerException("Installation cancelled", e);
} else {
throw new InstallerException("Installation failed", e);
}
}
URL url = new URL("jar:" + tempfile + "!/packs/pack" + packid);
// URL url = new URL("jar:" + packURL + "!/packs/pack" + packid);
// JarURLConnection jarConnection = (JarURLConnection)
// url.openConnection();
// TODO: what happens when using an automated installer?
in = new WebAccessor(null).openInputStream(url);
// TODO: Fails miserably when pack jars are not found, so this is
// temporary
if (in == null) {
throw new InstallerException(
url.toString() + " not available", new FileNotFoundException(url.toString()));
}
}
if (in != null && idata.info.getPackDecoderClassName() != null) {
Class<Object> decoder = (Class<Object>) Class.forName(idata.info.getPackDecoderClassName());
Class[] paramsClasses = new Class[1];
paramsClasses[0] = Class.forName("java.io.InputStream");
Constructor<Object> constructor = decoder.getDeclaredConstructor(paramsClasses);
// Our first used decoder input stream (bzip2) reads byte for byte from
// the source. Therefore we put a buffering stream between it and the
// source.
InputStream buffer = new BufferedInputStream(in);
Object[] params = {buffer};
Object instance = null;
instance = constructor.newInstance(params);
if (!InputStream.class.isInstance(instance)) {
throw new InstallerException(
"'"
+ idata.info.getPackDecoderClassName()
+ "' must be derived from "
+ InputStream.class.toString());
}
in = (InputStream) instance;
}
return in;
}