66 File dir = new File(baseDir);
67 if (dir.exists()) {
68 return dir;
69 } else {
70 SAXParseException e = new SAXParseException(
71 Messages.BASEDIR_DOESNT_EXIST.format(dir.getAbsolutePath()),
72 getLocator());
73 errorHandler.error(e);
74 throw e; // we can't recover from this error
75 }
76 }
77
78 /**
79 * This takes the include list provided by the user in the config file
80 * It converts the user values to {@link Pattern}
81 * @param includeContent
82 * The include list specified by the user
83 * @return
84 * A list of regular expression patterns {@link Pattern}
85 */
86 public List<Pattern> getIncludePatterns(List includeContent ) {
87 List<Pattern> includeRegexList = new ArrayList<Pattern>();
88 for (int i = 0 ; i < includeContent.size(); i ++){
89 String includes = (String)includeContent.get(i);
90 String regex = convertToRegex(includes);
91 Pattern pattern = Pattern.compile(regex);
92 includeRegexList.add(pattern);
93 }
94 return includeRegexList;
95 }
96
97
98 /**
99 * This takes the exclude list provided by the user in the config file
100 * It converts the user values to {@link Pattern}
101 * @param excludeContent
102 * The exclude list specified by the user
103 * @return
104 * A list of regular expression patterns {@link Pattern}
105 */
106 public List getExcludePatterns(List excludeContent ) {
107 List excludeRegexList = new ArrayList();
108 for (int i = 0 ; i < excludeContent.size(); i ++){
109 String excludes = (String)excludeContent.get(i);
110 String regex = convertToRegex(excludes);
111 Pattern pattern = Pattern.compile(regex);
112 excludeRegexList.add(pattern);
113 }
114 return excludeRegexList;
115 }
116
117
118 /**
119 * This will tokenize the pattern and convert it into a regular expression
120 * @param pattern
121 */
122 private String convertToRegex(String pattern) {
123 StringBuilder regex = new StringBuilder();
124 char nc = ' ';
125 if (pattern.length() >0 ) {
126
127 for ( int i = 0 ; i < pattern.length(); i ++ ) {
128 char c = pattern.charAt(i);
129 int j = i;
130 nc = ' ';
131 if ((j+1) != pattern.length()) {
132 nc = pattern.charAt(j+1);
133 }
134 //escape single '.'
135 if ((c=='.') && ( nc !='.')){
136 regex.append('\\');
137 regex.append('.');
138 //do not allow patterns like a..b
139 } else if ((c=='.') && ( nc =='.')){
140 continue;
141 // "**" gets replaced by ".*"
142 } else if ((c=='*') && (nc == '*')) {
143 regex.append(".*");
144 break;
145 //'*' replaced by anything but '.' i.e [^\\.]+
146 } else if (c=='*') {
147 regex.append("[^\\.]+");
148 continue;
149 //'?' replaced by anything but '.' i.e [^\\.]
150 } else if (c=='?') {
151 regex.append("[^\\.]");
152 //else leave the chars as they occur in the pattern
153 } else
154 regex.append(c);
155 }
156
157 }
158
159 return regex.toString();
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66 File dir = new File(baseDir);
67 if (dir.exists()) {
68 return dir;
69 } else {
70 SAXParseException e = new SAXParseException(
71 Messages.BASEDIR_DOESNT_EXIST.format(dir.getAbsolutePath()),
72 getLocator());
73 errorHandler.error(e);
74 throw e; // we can't recover from this error
75 }
76 }
77
78 /**
79 * This takes the include list provided by the user in the config file
80 * It converts the user values to {@link Pattern}
81 * @param includeContent
82 * The include list specified by the user
83 * @return
84 * A list of regular expression patterns {@link Pattern}
85 */
86 public List<Pattern> getIncludePatterns(List<String> includeContent ) {
87 List<Pattern> includeRegexList = new ArrayList<Pattern>();
88 for (String includes : includeContent) {
89 String regex = convertToRegex(includes);
90 Pattern pattern = Pattern.compile(regex);
91 includeRegexList.add(pattern);
92 }
93 return includeRegexList;
94 }
95
96
97 /**
98 * This takes the exclude list provided by the user in the config file
99 * It converts the user values to {@link Pattern}
100 * @param excludeContent
101 * The exclude list specified by the user
102 * @return
103 * A list of regular expression patterns {@link Pattern}
104 */
105 public List getExcludePatterns(List<String> excludeContent ) {
106 List<Pattern> excludeRegexList = new ArrayList<Pattern>();
107 for (String excludes : excludeContent) {
108 String regex = convertToRegex(excludes);
109 Pattern pattern = Pattern.compile(regex);
110 excludeRegexList.add(pattern);
111 }
112 return excludeRegexList;
113 }
114
115
116 /**
117 * This will tokenize the pattern and convert it into a regular expression
118 * @param pattern
119 */
120 private String convertToRegex(String pattern) {
121 StringBuilder regex = new StringBuilder();
122 char nc = ' ';
123 if (pattern.length() >0 ) {
124
125 for ( int i = 0 ; i < pattern.length(); i ++ ) {
126 char c = pattern.charAt(i);
127 nc = ' ';
128 if ((i +1) != pattern.length()) {
129 nc = pattern.charAt(i +1);
130 }
131 //escape single '.'
132 if (c == '.' && nc != '.'){
133 regex.append('\\');
134 regex.append('.');
135 //do not allow patterns like a..b
136 } else if (c == '.'){
137 continue;
138 // "**" gets replaced by ".*"
139 } else if ((c=='*') && (nc == '*')) {
140 regex.append(".*");
141 break;
142 //'*' replaced by anything but '.' i.e [^\\.]+
143 } else if (c=='*') {
144 regex.append("[^\\.]+");
145 continue;
146 //'?' replaced by anything but '.' i.e [^\\.]
147 } else if (c=='?') {
148 regex.append("[^\\.]");
149 //else leave the chars as they occur in the pattern
150 } else
151 regex.append(c);
152 }
153
154 }
155
156 return regex.toString();
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