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1
23
24 package com.sun.enterprise.config.serverbeans.validation.tests;
25
26 import java.util.*;
27 import com.sun.enterprise.util.LocalStringManagerImpl;
28 import com.sun.enterprise.config.serverbeans.validation.StringManagerHelper;
29 import com.sun.enterprise.config.serverbeans.validation.Result;
30
31 import com.sun.enterprise.admin.util.QuotedStringTokenizer;
32
33 public class JvmOptionsTest {
34
35 private static LocalStringManagerImpl smh =
36 StringManagerHelper.getLocalStringsManager();
37
38 private static final JvmOptionsTest instance = new JvmOptionsTest();
39
40 private JvmOptionsTest() {
41 }
42
43 public static void validateJvmOptions(String  [] jvmOptions, Result result) {
44 try {
45 instance.checkForNullOptions(jvmOptions);
46 Set optionsSet = instance.tokenizeJvmOptions(jvmOptions);
47 instance.checkBeginWithDash(optionsSet);
48 instance.checkQuotes(optionsSet);
49 }
50 catch (Exception e) {
51 result.failed(e.getMessage());
52 }
53 }
54
55 private void checkForNullOptions(String [] options)
56 throws InvalidJvmOptionsException
57 {
58 if (null == options) {
59 throw new InvalidJvmOptionsException(getNullJvmOptionMsg());
60 }
61 for (int i = 0; i < options.length; i++) {
62 if (null == options[i]) {
63 throw new InvalidJvmOptionsException(getNullJvmOptionMsg());
64 }
65 }
66 }
67
68 private void checkBeginWithDash(Set options)
69 throws InvalidJvmOptionsException
70 {
71 List invalidOptions = new ArrayList();
72 Iterator it = options.iterator();
73 while (it.hasNext()) {
74 String option = it.next().toString();
75 if (!option.startsWith("-") &&
76 !(option.startsWith("\"-") && option.endsWith("\"")) )
77 {
78 invalidOptions.add(option);
79 }
80 }
81 if (invalidOptions.size() > 0) {
82 throw new InvalidJvmOptionsException(
83 getInvalidJvmOptionMsg(invalidOptions.toString()));
84 }
85 }
86
87 private void checkQuotes(Set options) throws InvalidJvmOptionsException
88 {
89 List invalidOptions = new ArrayList();
90 final Iterator it = options.iterator();
91 while (it.hasNext()) {
92 String option = it.next().toString();
93 if (!checkQuotes(option)) {
94 invalidOptions.add(option);
95 }
96 }
97 if (invalidOptions.size() > 0) {
98 throw new InvalidJvmOptionsException(
99 getIncorrectQuotesMsg(invalidOptions.toString()));
100 }
101 }
102
103 private boolean checkQuotes(String option)
104 {
105 int length = option.length();
106 int numQuotes = 0;
107 int index = 0;
108
109 while (index < length &&
110 (index = option.indexOf('\"', index)) != -1)
111 {
112 numQuotes++;
113 index++;
114 }
115 return ((numQuotes % 2) == 0);
116 }
117
118 private Set tokenizeJvmOptions(String [] options) {
119 final Set optionsSet = new LinkedHashSet();
120 final String DELIM = " \t";
121 for (int i = 0; i < options.length; i++) {
122 QuotedStringTokenizer strTok = new QuotedStringTokenizer(
123 options[i], DELIM);
124 while (strTok.hasMoreTokens()) {
125 optionsSet.add(strTok.nextToken());
126 }
127 }
128 return Collections.unmodifiableSet(optionsSet);
129 }
130
131 private String getNullJvmOptionMsg() {
132 return smh.getLocalString(getClass().getName() + ".nullJvmOption",
133 "Null Jvm option", new Object [0]);
134 }
135
136 private String getInvalidJvmOptionMsg(String invalidOptions) {
137 return smh.getLocalString(getClass().getName() + ".invalidJvmOption",
138 "{0} - Invalid Jvm option. Option must begin with -",
139 new Object [] {invalidOptions});
140 }
141
142 private String getIncorrectQuotesMsg(String invalidOptions) {
143 return smh.getLocalString(getClass().getName() + ".incorrectQuotesInJvmOption",
144 "{0} - Invalid Jvm option. Check quotes",
145 new Object [] {invalidOptions});
146 }
147
148 private static final class InvalidJvmOptionsException extends Exception {
149 InvalidJvmOptionsException(String msg) {
150 super(msg);
151 }
152 }
153 }
154
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