X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FStringUtils.java;h=2cbbfbf8367495e6c40996af5a4f93f122300012;hb=f0fd407e5fad67185a9813c57bfc50aacaf1de6e;hp=b3456aaf38bfcde51397060fd2f30252ead5b9ec;hpb=3d0101179759ef157b088ea135423cd909512d9f;p=jalview.git diff --git a/src/jalview/util/StringUtils.java b/src/jalview/util/StringUtils.java index b3456aa..2cbbfbf 100644 --- a/src/jalview/util/StringUtils.java +++ b/src/jalview/util/StringUtils.java @@ -146,7 +146,7 @@ public class StringUtils { return null; } - List jv = new ArrayList(); + List jv = new ArrayList<>(); int cp = 0, pos, escape; boolean wasescaped = false, wasquoted = false; String lstitem = null; @@ -403,4 +403,71 @@ public class StringUtils } return s.substring(0, 1).toUpperCase() + s.substring(1).toLowerCase(); } + + /** + * A helper method that strips off any leading or trailing html and body tags. + * If no html tag is found, then also html-encodes angle bracket characters. + * + * @param text + * @return + */ + public static String stripHtmlTags(String text) + { + if (text == null) + { + return null; + } + String tmp2up = text.toUpperCase(); + int startTag = tmp2up.indexOf(""); + if (startTag > -1) + { + text = text.substring(startTag + 6); + tmp2up = tmp2up.substring(startTag + 6); + } + // is omission of "" intentional here?? + int endTag = tmp2up.indexOf(""); + if (endTag > -1) + { + text = text.substring(0, endTag); + tmp2up = tmp2up.substring(0, endTag); + } + endTag = tmp2up.indexOf(""); + if (endTag > -1) + { + text = text.substring(0, endTag); + } + + if (startTag == -1 && (text.contains("<") || text.contains(">"))) + { + text = text.replaceAll("<", "<"); + text = text.replaceAll(">", ">"); + } + return text; + } + + /** + * Answers true if the string is not empty and consists only of digits, or + * characters 'a'-'f' or 'A'-'F', else false + * + * @param s + * @return + */ + public static boolean isHexString(String s) + { + int j = s.length(); + if (j == 0) + { + return false; + } + for (int i = 0; i < j; i++) + { + int c = s.charAt(i); + if (!(c >= '0' && c <= '9') && !(c >= 'a' && c <= 'f') + && !(c >= 'A' && c <= 'F')) + { + return false; + } + } + return true; + } }