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// Portions Copyright [2019] Payara Foundation and/or affiliates
/*
* ListManager.java
*
* Created on March 30, 2004, 9:01 PM
*/
package com.sun.enterprise.backup;
import com.sun.enterprise.universal.i18n.LocalStringsImpl;
import com.sun.enterprise.util.ColumnFormatter;
import com.sun.enterprise.util.io.FileUtils;
import java.io.File;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.List;
import java.util.TreeSet;
/**
*
* This class is responsible for returning information about backups.
* It opens each backup zip file and examines the properties file for the
* information that was stored when the backup was performed.
* It returns all this information to CLI as a String.
*
* @author bnevins
*/
public class ListManager extends BackupRestoreManager
{
/** Creates an instance of ListManager.
* The superclass will call init() so it is
* possible for Exceptions to be thrown.
* @param req The BackupRequest instance with required information.
* @throws BackupException if there is a fatal error with the
* BackupRequest object.
* @throws BackupWarningException if there is a non-fatal error with the
* BackupRequest object.
*/
public ListManager(BackupRequest req)
throws BackupException, BackupWarningException {
super(req);
}
/**
* Find all backup zip files in a domain and return a String
* summarizing information about the backup.
* The summary is shorter if the "terse" option is true.
* @return a String summary
* @throws BackupException if there is a fatal error
*/
public String list() throws BackupException {
StringBuilder sb = new StringBuilder();
String headings[] = { BACKUP, USER, DATE, FILENAME };
List badPropsList = null;
ColumnFormatter cf = null;
boolean itemInRow = false;
TreeSetstatusSet = new TreeSet(new FileNameComparator());
// If a backup config was not provided then look for all zips
// including those in the backup config directories.
// If a backup config was provided then only look for zips in
// that backup config directory.
findZips(request.backupConfig == null);
badPropsList = new ArrayList();
// it is GUARANTEED that the length > 0
for(int i = 0; i < zips.length; i++) {
Status status = new Status();
if (!status.loadProps(zips[i]))
badPropsList.add(Integer.valueOf(i));
else {
//XXX: if (request.terse) How indicate no headers?
statusSet.add(status);
itemInRow = true;
}
}
if (itemInRow) {
for (Status status : statusSet) {
if (request.verbose) {
File f = null;
try {
f = new File(status.getBackupPath());
} catch (NullPointerException e) {
}
if (f != null) {
sb.append(status.read(f, request.terse));
sb.append("\n\n");
}
} else {
String filename = status.getFileName();
if (cf == null) {
cf = new ColumnFormatter(headings);
}
if (filename == null)
filename = strings.get("backup-list.unavailable");
cf.addRow(new Object[] {
status.getBackupConfigName(),
status.getUserName(),
status.getTimeStamp(),
filename
});
}
}
}
if (cf != null)
sb.append(cf.toString());
// If no items in the row and we are not in terse mode indicate
// there was nothing to list.
if (!itemInRow && !request.terse)
sb.append("\n" + strings.get("backup-list.nothing"));
// List any zips that had bad props.
if (badPropsList != null && !badPropsList.isEmpty()) {
sb.append("\n\n");
sb.append(strings.get("backup-list.bad-props"));
for (Integer iInt : badPropsList) {
sb.append("\n");
sb.append(zips[iInt.intValue()]);
}
}
return sb.toString();
}
/**
* Finish initializing the BackupRequest object.
* note: this method is called by the super class...
* @throws BackupException for fatal errors
* @throws BackupWarningException for non-fatal errors - these are errors
* where we can not continue execution.
*/
void init() throws BackupException, BackupWarningException {
super.init();
if(!FileUtils.safeIsDirectory(request.domainDir))
throw new BackupException("backup-res.NoDomainDir",
request.domainDir);
// It's a warning to not exist...
if(!FileUtils.safeIsDirectory(getBackupDirectory(request)))
throw new BackupWarningException("backup-res.NoBackupDir",
getBackupDirectory(request));
}
/** Look through the backups directory/subdirectories and assemble
* a list of all backup files found.
*
* @param subdirs If true search the first level subdirectories too
* @throws BackupWarningException if there are no backup zip files
*/
private void findZips(boolean subdirs) throws BackupWarningException {
File[] dirs;
File[] files;
ListzipList = new ArrayList();
files = getBackupDirectory(request).listFiles(new ZipFilenameFilter());
if (subdirs) {
for (int i = 0; files != null && i < files.length; i++) {
zipList.add(files[i]);
}
// Get the list of directories
dirs = getBackupDirectory(request).listFiles(new DirectoryFilter());
// For each directory we find in the domain's backup dir...
for(int i = 0; dirs != null && i < dirs.length; i++) {
files = dirs[i].listFiles(new ZipFilenameFilter());
// Add the files with a zip extension to the List
for (int j = 0; files != null && j < files.length; j++) {
zipList.add(files[j]);
}
}
if (zipList.size() > 0)
zips = zipList.toArray(new File[zipList.size()]);
} else
zips = files;
if(zips == null || zips.length <= 0)
throw new BackupWarningException("backup-res.NoBackupFiles",
getBackupDirectory(request));
}
/*
* When camparing the Status in order to order the list output
* we first sort by backup-config and then by file name.
*/
static private class FileNameComparator implements Comparator,
Serializable {
public int compare(Status s1, Status s2) {
if (s1.getBackupConfigName().equals(s2.getBackupConfigName())) {
return compareFiles(s1.getFileName(), s2.getFileName());
}
return s1.getBackupConfigName().compareTo(s2.getBackupConfigName());
}
private int compareFiles(String f1, String f2) {
int f1Num, f2Num;
if (f1 == null)
f1 = strings.get("backup-list.unavailable");
if (f2 == null)
f2 = strings.get("backup-list.unavailable");
f1 = f1.substring(f1.lastIndexOf("_v")+2, f1.length() - 4);
try {
f1Num = Integer.parseInt(f1);
} catch(Exception e) {
f1Num = -1;
}
f2 = f2.substring(f2.lastIndexOf("_v")+2, f2.length() - 4);
try {
f2Num = Integer.parseInt(f2);
} catch(Exception e) {
f2Num = -1;
}
return f1Num - f2Num;
}
}
private static final LocalStringsImpl strings =
new LocalStringsImpl(ListManager.class);
File[] zips;
// These are column headings so they are not localized
private static final String BACKUP = "CONFIG";
private static final String USER = "USER";
private static final String DATE = "BACKUP-DATE";
private static final String FILENAME = "FILENAME";
}
