/**
* Creates DirectoryValidator to ensure directories read from user (if any - default otherwise)
* settings via keys:
*
* <ul>
* <li>{@link DeploymentConfiguration#KEY_USER_CACHE_DIR}
* <li>{@link DeploymentConfiguration#KEY_USER_PERSISTENCE_CACHE_DIR}
* <li>{@link DeploymentConfiguration#KEY_SYSTEM_CACHE_DIR}
* <li>{@link DeploymentConfiguration#KEY_USER_LOG_DIR}
* <li>{@link DeploymentConfiguration#KEY_USER_TMP_DIR}
* <li>{@link DeploymentConfiguration#KEY_USER_LOCKS_DIR}
* </ul>
*/
public DirectoryValidator() {
dirsToCheck = new ArrayList<File>(6);
DeploymentConfiguration dc = JNLPRuntime.getConfiguration();
String[] keys =
new String[] {
DeploymentConfiguration.KEY_USER_CACHE_DIR,
DeploymentConfiguration.KEY_USER_PERSISTENCE_CACHE_DIR,
DeploymentConfiguration.KEY_SYSTEM_CACHE_DIR,
DeploymentConfiguration.KEY_USER_LOG_DIR,
DeploymentConfiguration.KEY_USER_TMP_DIR,
DeploymentConfiguration.KEY_USER_LOCKS_DIR
};
for (String key : keys) {
String value = dc.getProperty(key);
if (value == null) {
OutputController.getLogger()
.log(
OutputController.Level.MESSAGE_DEBUG,
"WARNING: key " + key + " has no value, setting to default value");
value = Defaults.getDefaults().get(key).getValue();
}
if (value == null) {
if (JNLPRuntime.isDebug()) {
OutputController.getLogger()
.log(
OutputController.Level.MESSAGE_DEBUG,
"WARNING: key " + key + " has no value, skipping");
}
continue;
}
File f = new File(value);
dirsToCheck.add(f);
}
}
/**
* This method is package private for testing purposes only.
*
* <p>This method verify that directory exists, is directory, file and directory can be created,
* file can be written into, and subdirectory can be written into.
*
* <p>Some steps may looks like redundant, but some permission settings really alow to create file
* but not directory and vice versa. Also some settings can allow to create file or directory
* which can not be written into. (eg ACL or network disks)
*/
static DirectoryCheckResult testDir(File f, boolean verbose, boolean testSubdir) {
DirectoryCheckResult result = new DirectoryCheckResult(f);
if (!f.exists()) {
if (verbose) {
OutputController.getLogger()
.log(OutputController.Level.ERROR_ALL, DirectoryCheckResult.notExistsMessage(f));
}
result.exists = false;
}
if (!f.isDirectory()) {
if (verbose) {
OutputController.getLogger()
.log(OutputController.Level.ERROR_ALL, DirectoryCheckResult.notDirMessage(f));
}
result.isDir = false;
}
File testFile = null;
boolean correctPermissions = true;
try {
testFile = File.createTempFile("maindir", "check", f);
if (!testFile.exists()) {
correctPermissions = false;
}
try {
FileUtils.saveFile("ww", testFile);
String s = FileUtils.loadFileAsString(testFile);
if (!s.trim().equals("ww")) {
correctPermissions = false;
}
} catch (Exception ex) {
if (JNLPRuntime.isDebug()) {
ex.printStackTrace();
}
correctPermissions = false;
}
File[] canList = f.listFiles();
if (canList == null || canList.length == 0) {
correctPermissions = false;
}
testFile.delete();
if (testFile.exists()) {
correctPermissions = false;
} else {
boolean created = testFile.mkdir();
if (!created) {
correctPermissions = false;
}
if (testFile.exists()) {
if (testSubdir) {
DirectoryCheckResult subdirResult = testDir(testFile, verbose, false);
if (subdirResult.getFailures() != 0) {
result.subDir = subdirResult;
correctPermissions = false;
}
testFile.delete();
if (testFile.exists()) {
correctPermissions = false;
}
}
} else {
correctPermissions = false;
}
}
} catch (Exception ex) {
if (JNLPRuntime.isDebug()) {
ex.printStackTrace();
}
correctPermissions = false;
} finally {
if (testFile != null && testFile.exists()) {
testFile.delete();
}
}
if (!correctPermissions) {
if (verbose) {
OutputController.getLogger()
.log(OutputController.Level.ERROR_ALL, DirectoryCheckResult.wrongPermissionsMessage(f));
}
result.correctPermissions = false;
}
return result;
}