Example usage for org.apache.commons.lang CharUtils isAsciiAlpha

Introduction

In this page you can find the example usage for org.apache.commons.lang CharUtils isAsciiAlpha.

Prototype

public static boolean isAsciiAlpha(char ch) 

Source Link

Document

Checks whether the character is ASCII 7 bit alphabetic.

Usage

From source file:com.infosupport.ellison.core.archive.ApplicationArchive.java

/**
 * Checks whether the path is relative.//from  ww w .  j  av  a  2  s.  co m
 * <p/>
 * {@link java.io.File#isAbsolute()} is not very testable, as its behavior is dependent upon the environment in
 * which the application is run.
 *
 * @param path
 *     the path to check
 *
 * @return false if:<ul> <li>the path starts with a slash ('/')</li> <li>the path starts with one backslash
 *         ('\')</li> <li>the path contains a directory component consisting of only two dots ('/../')</li> <li>the
 *         path starts with a windows drive letter ('C:\\')</li> </ul>
 */
private static boolean isPathRelative(String path) {
    boolean isNotRelative = false;
    File pathFile = new File(path);
    String absolutePath = pathFile.getAbsolutePath();
    String canonicalPath = null;
    try {
        canonicalPath = pathFile.getCanonicalPath();
    } catch (IOException e) {
        LOGGER.info(String.format("Error canonicalizing path '%s'", path), e);
        // Assume the path parameter is not canonical, meaning it might be unsafe.
        return false;
    }
    isNotRelative = path.startsWith("/");
    isNotRelative = isNotRelative || path.startsWith("\\");
    isNotRelative = isNotRelative || !canonicalPath.equals(absolutePath);
    isNotRelative = isNotRelative
            || (CharUtils.isAsciiAlpha(path.charAt(0)) && path.substring(1).startsWith(":\\"));

    return !isNotRelative;
}

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From source file:org.apache.openjpa.lib.identifier.IdentifierRule.java

/**
 * SQL identifier rules://from www. j a v a 2 s .  co m
 * 1) Can be up to 128 characters long
 * 2) Must begin with a letter
 * 3) Can contain letters, digits, and underscores
 * 4) Can't contain spaces or special characters such as #, $, &, %, or 
 *    punctuation.
 * 5) Can't be reserved words
 */
public boolean requiresDelimiters(String identifier) {

    // Do not delimit single valued wildcards or "?" or names that have method-type
    // signatures (ex. getValue()).  These are considered special values in OpenJPA
    // and should not be delimited.
    if (_wildcard.equals(identifier) || "?".equals(identifier) || identifier.endsWith("()")) {
        return false;
    }

    if (getMustDelimit()) {
        return true;
    }

    // Assert identifier begins with a letter
    char[] chars = identifier.toCharArray();
    if (isMustBeginWithLetter()) {
        if (!CharUtils.isAsciiAlpha(chars[0])) {
            return true;
        }
    }

    // Iterate through chars, asserting delimiting rules 
    for (char ch : chars) {
        if (isOnlyLettersDigitsUnderscores()) {
            if (!CharUtils.isAsciiAlphanumeric(ch) && !(ch == UNDERSCORE)) {
                return true;
            }
        }
        // Look for special characters
        if (StringUtils.contains(getSpecialCharacters(), ch)) {
            return true;
        }
    }
    // Finally, look for reserved words
    if (getDelimitReservedWords()) {
        if (isReservedWord(identifier)) {
            return true;
        }
    }
    return false;
}

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From source file:org.beangle.struts2.action.DispatchAction.java

protected String getTextInternal(String msgKey, Object... args) {
    if (null == msgKey)
        return null;
    if (CharUtils.isAsciiAlpha(msgKey.charAt(0)) && msgKey.indexOf('.') > 0) {
        if (args.length > 0)
            return getText(msgKey, Arrays.asList(args));
        else// w w w.  ja v  a 2 s  .c  om
            return getText(msgKey);
    } else {
        return msgKey;
    }
}

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From source file:org.beangle.struts2.view.component.UIBean.java

protected String getText(String text, String defaultText) {
    if (StringUtils.isEmpty(text))
        return defaultText;
    if (!CharUtils.isAsciiAlpha(text.charAt(0)))
        return defaultText;
    if (-1 == text.indexOf('.') || -1 < text.indexOf(' ')) {
        return defaultText;
    } else {/*from   w ww.ja v a 2 s . co m*/
        return TextProviderHelper.getText(text, defaultText, Collections.emptyList(), stack, false);
    }
}

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From source file:org.rapidcontext.core.data.XmlSerializer.java

/**
 * Writes an XML tag name.//from  www  . ja v a2 s .  c  om
 *
 * @param id             the tag name (identifier)
 * @param buffer         the string buffer to append into
 */
private static void tagName(String id, StringBuilder buffer) {
    for (int i = 0; i < id.length(); i++) {
        char c = id.charAt(i);
        if (i == 0 && !CharUtils.isAsciiAlpha(c)) {
            c = '_';
        } else if (!CharUtils.isAsciiAlphanumeric(c)) {
            c = '_';
        }
        buffer.append(c);
    }
}

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From source file:org.richfaces.tests.metamer.model.treeAdaptor.KeyConverter.java

public Object getAsObject(FacesContext context, UIComponent component, String value) {
    List<RecursiveNode> list = RichTreeModelRecursiveAdaptorBean.getRootNodesStatically();
    RecursiveNode recursive = null;/*from w w w . ja v  a  2  s.  c o m*/
    ModelNode model = null;

    char alpha = ' ';
    for (int i = 0; i < value.length(); i++) {
        char ch = value.charAt(i);
        if (CharUtils.isAsciiAlpha(ch)) {
            alpha = ch;
            switch (alpha) {
            case 'M':
                model = recursive.getModel();
                break;
            default:
            }
        }
        if (CharUtils.isAsciiNumeric(ch)) {
            int num = CharUtils.toIntValue(ch);
            switch (alpha) {
            case 'R':
                recursive = list.get(num);
                list = recursive.getRecursiveList();
                break;

            case 'K':
                for (ModelNodeImpl.K key : model.getMap().keySet()) {
                    if (key.number == num) {
                        return key;
                    }
                }
                throw new IllegalStateException();
            default:
            }
        }
    }

    if (Strings.isNullOrEmpty(value)) {
        return null;
    }

    return null;
}

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