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package com.sun.enterprise.config.serverbeans.validation.tests;
import java.util.*;
import com.sun.enterprise.util.LocalStringManagerImpl;
import com.sun.enterprise.config.serverbeans.validation.StringManagerHelper;
import com.sun.enterprise.config.serverbeans.validation.Result;
import com.sun.enterprise.admin.util.QuotedStringTokenizer;
public class JvmOptionsTest {
private static LocalStringManagerImpl smh =
StringManagerHelper.getLocalStringsManager();
private static final JvmOptionsTest instance = new JvmOptionsTest();
private JvmOptionsTest() {
}
public static void validateJvmOptions(String[] jvmOptions, Result result) {
try {
instance.checkForNullOptions(jvmOptions);
Set optionsSet = instance.tokenizeJvmOptions(jvmOptions);
instance.checkBeginWithDash(optionsSet);
instance.checkQuotes(optionsSet);
}
catch (Exception e) {
result.failed(e.getMessage());
}
}
private void checkForNullOptions(String[] options)
throws InvalidJvmOptionsException
{
if (null == options) {
throw new InvalidJvmOptionsException(getNullJvmOptionMsg());
}
for (int i = 0; i < options.length; i++) {
if (null == options[i]) {
throw new InvalidJvmOptionsException(getNullJvmOptionMsg());
}
}
}
private void checkBeginWithDash(Set options)
throws InvalidJvmOptionsException
{
List invalidOptions = new ArrayList();
Iterator it = options.iterator();
while (it.hasNext()) {
String option = it.next().toString();
if (!option.startsWith("-") &&
!(option.startsWith("\"-") && option.endsWith("\"")) )
{
invalidOptions.add(option);
}
}
if (invalidOptions.size() > 0) {
throw new InvalidJvmOptionsException(
getInvalidJvmOptionMsg(invalidOptions.toString()));
}
}
private void checkQuotes(Set options) throws InvalidJvmOptionsException
{
List invalidOptions = new ArrayList();
final Iterator it = options.iterator();
while (it.hasNext()) {
String option = it.next().toString();
if (!checkQuotes(option)) {
invalidOptions.add(option);
}
}
if (invalidOptions.size() > 0) {
throw new InvalidJvmOptionsException(
getIncorrectQuotesMsg(invalidOptions.toString()));
}
}
private boolean checkQuotes(String option)
{
int length = option.length();
int numQuotes = 0;
int index = 0;
while (index < length &&
(index = option.indexOf('\"', index)) != -1)
{
numQuotes++;
index++;
}
return ((numQuotes % 2) == 0);
}
private Set tokenizeJvmOptions(String[] options) {
final Set optionsSet = new LinkedHashSet();
final String DELIM = " \t";
for (int i = 0; i < options.length; i++) {
QuotedStringTokenizer strTok = new QuotedStringTokenizer(
options[i], DELIM);
while (strTok.hasMoreTokens()) {
optionsSet.add(strTok.nextToken());
}
}
return Collections.unmodifiableSet(optionsSet);
}
private String getNullJvmOptionMsg() {
return smh.getLocalString(getClass().getName() + ".nullJvmOption",
"Null Jvm option", new Object[0]);
}
private String getInvalidJvmOptionMsg(String invalidOptions) {
return smh.getLocalString(getClass().getName() + ".invalidJvmOption",
"{0} - Invalid Jvm option. Option must begin with -",
new Object[] {invalidOptions});
}
private String getIncorrectQuotesMsg(String invalidOptions) {
return smh.getLocalString(getClass().getName() + ".incorrectQuotesInJvmOption",
"{0} - Invalid Jvm option. Check quotes",
new Object[] {invalidOptions});
}
private static final class InvalidJvmOptionsException extends Exception {
InvalidJvmOptionsException(String msg) {
super(msg);
}
}
}