Example usage for java.lang Character isJavaIdentifierPart

Introduction

In this page you can find the example usage for java.lang Character isJavaIdentifierPart.

Prototype

public static boolean isJavaIdentifierPart(int codePoint) 

Source Link

Document

Determines if the character (Unicode code point) may be part of a Java identifier as other than the first character.

Usage

From source file:cc.recommenders.names.VmTypeName.java

/**
 * @see #get(String)//from ww w . j  av a  2s  .  com
 */
protected VmTypeName(final String vmTypeName) {
    ensureIsNotNull(vmTypeName);
    ensureIsFalse(vmTypeName.length() == 0, "empty size for type name not permitted");
    if (vmTypeName.length() == 1) {
        switch (vmTypeName.charAt(0)) {
        case 'B':
        case 'C':
        case 'D':
        case 'F':
        case 'I':
        case 'J':
        case 'S':
        case 'V':
        case 'Z':
            break;
        default:
            throwUnreachable("Invalid type name: " + vmTypeName);
        }
    } else {
        switch (vmTypeName.charAt(0)) {
        case '[':
        case 'L':
            break;
        default:
            throwUnreachable("Invalid type name: " + vmTypeName);
        }
    }

    int off = 0;
    while (off < vmTypeName.length()) {
        final char c = vmTypeName.charAt(off);
        if (c == '[' || c == '/' || c == '-'/* as in 'package-info.class' */ || c == '<' || c == '>'
                || Character.isJavaIdentifierPart(c)) {
            off++;
            continue;
        }
        throwIllegalArgumentException("Cannot parse '%s' as vm type name.", vmTypeName);
        break;
    }
    identifier = vmTypeName;
}

---

From source file:cc.recommenders.names.CoReTypeName.java

/**
 * @see #get(String)/*from   w  w w . ja v  a  2  s  .co  m*/
 */
protected CoReTypeName(final String vmTypeName) {
    ensureIsNotNull(vmTypeName);
    ensureIsFalse(vmTypeName.length() == 0, "empty size for type name not permitted");
    if (vmTypeName.length() == 1) {
        switch (vmTypeName.charAt(0)) {
        case 'B':
        case 'C':
        case 'D':
        case 'F':
        case 'I':
        case 'J':
        case 'S':
        case 'V':
        case 'Z':
            break;
        default:
            throwUnreachable("Invalid type name: " + vmTypeName);
        }
    } else {
        switch (vmTypeName.charAt(0)) {
        case '[':
        case 'L':
            break;
        default:
            throwUnreachable("Invalid type name: " + vmTypeName);
        }
    }

    int off = 0;
    while (off < vmTypeName.length()) {
        final char c = vmTypeName.charAt(off);
        if (c == '[' || c == '/' || c == '-'/* as in 'package-info.class' */ || c == '<' || c == '>'
                || Character.isJavaIdentifierPart(c)) {
            off++;
            continue;
        }
        throwIllegalArgumentException("Cannot parse '%s' as vm type name.", vmTypeName);
        break;
    }
    identifier = vmTypeName;
}

---

From source file:org.eclipse.recommenders.utils.names.VmTypeName.java

/**
 * @see #get(String)/*from   w w w  .  j a va2s.co m*/
 */
@Testing("Outside of tests, VmTypeNames should be canonicalized through VmTypeName#get(String)")
protected VmTypeName(final String vmTypeName) {
    ensureIsNotNull(vmTypeName);
    ensureIsFalse(vmTypeName.length() == 0, "empty size for type name not permitted");
    if (vmTypeName.length() == 1) {
        switch (vmTypeName.charAt(0)) {
        case 'B':
        case 'C':
        case 'D':
        case 'F':
        case 'I':
        case 'J':
        case 'S':
        case 'V':
        case 'Z':
            break;
        default:
            throwUnreachable("Invalid type name: " + vmTypeName);
        }
    } else {
        switch (vmTypeName.charAt(0)) {
        case '[':
        case 'L':
            break;
        default:
            throwUnreachable("Invalid type name: " + vmTypeName);
        }
    }

    int off = 0;
    while (off < vmTypeName.length()) {
        final char c = vmTypeName.charAt(off);
        if (c == '[' || c == '/' || c == '-'/* as in 'package-info.class' */ || c == '<' || c == '>'
                || Character.isJavaIdentifierPart(c)) {
            off++;
            continue;
        }
        throwIllegalArgumentException("Cannot parse '%s' as vm type name.", vmTypeName);
        break;
    }
    identifier = vmTypeName;
}

---

From source file:com.enonic.cms.core.portal.PrettyPathNameCreator.java

public static boolean isValidChar(char ch) {
    for (char unsafe : REMOVE_CHARS) {
        if (ch == unsafe) {
            return false;
        }/*w w  w  . j av a 2s . c  om*/
    }

    if (Character.isJavaIdentifierPart(ch)) {
        return true;
    }

    for (char other : ADDITIONAL_ALLOWED_CHARS) {
        if (ch == other) {
            return true;
        }
    }

    return false;
}

---

From source file:com.wavemaker.common.util.StringUtils.java

public static String toJavaIdentifier(String s, char replacementChar) {

    if (ObjectUtils.isNullOrEmpty(s)) {
        throw new IllegalArgumentException("input cannot be null or empty");
    }// w w  w .ja  v  a 2 s .  co m

    String unquoted = unquote(s);
    if (unquoted.length() > 0) {
        s = unquoted;
    }

    // although '$' is ok, it causes issues with type generation
    // because of inner class confusion
    s = s.replace("$", "");

    if (s.length() == 0) {
        s = "" + replacementChar;
    }

    StringBuilder rtn = new StringBuilder();

    if (JAVA_KEYWORDS.contains(s.toLowerCase()) || !Character.isJavaIdentifierStart(s.charAt(0))) {
        rtn.append(replacementChar);
    }

    if (s.length() == 1) {
        if (rtn.length() > 0) {
            return rtn.toString();
        } else {
            return s;
        }
    }

    for (int i = 0; i < s.length(); i++) {
        char c = s.charAt(i);
        if (!Character.isJavaIdentifierPart(c)) {
            c = replacementChar;
        }
        rtn.append(c);
    }

    return rtn.toString();
}

---

From source file:com.kstenschke.shifter.utils.UtilsTextual.java

/**
 * Get word at caret offset out of given text
 *
 * @param   text           The full text
 * @param   cursorOffset   Character offset of caret
 * @return                 The extracted word or null
 *//*from  w  w w. ja  va2s . c o m*/
public static String getWordAtOffset(CharSequence text, int cursorOffset) {
    if (text.length() == 0 || cursorOffset >= text.length())
        return null;

    if (cursorOffset > 0 && !Character.isJavaIdentifierPart(text.charAt(cursorOffset))
            && Character.isJavaIdentifierPart(text.charAt(cursorOffset - 1))) {
        cursorOffset--;
    }

    if (Character.isJavaIdentifierPart(text.charAt(cursorOffset))) {
        int start = cursorOffset;
        int end = cursorOffset;

        while (start > 0 && Character.isJavaIdentifierPart(text.charAt(start - 1))) {
            start--;
        }

        while (end < text.length() && Character.isJavaIdentifierPart(text.charAt(end))) {
            end++;
        }

        return text.subSequence(start, end).toString();
    }

    return null;
}

---

From source file:com.jaspersoft.ireport.designer.data.fieldsproviders.ejbql.EJBQLFieldsReader.java

/**
* Takes a name and returns the same if it is a Java identifier;
* else it substitutes the illegal characters so that it can be an identifier
*
* @param name//from  w ww  .j a  va  2 s.  c o m
*/
public static String getLiteral(String name) {
    if (isValidLiteral(name)) {
        return name;
    }

    StringBuffer buffer = new StringBuffer(name.length() + 5);

    char[] literalChars = new char[name.length()];
    name.getChars(0, literalChars.length, literalChars, 0);

    for (int i = 0; i < literalChars.length; i++) {
        if (i == 0 && !Character.isJavaIdentifierStart(literalChars[i])) {
            buffer.append((int) literalChars[i]);
        } else if (i != 0 && !Character.isJavaIdentifierPart(literalChars[i])) {
            buffer.append((int) literalChars[i]);
        } else {
            buffer.append(literalChars[i]);
        }
    }

    return buffer.toString();
}

---

From source file:com.caocao.util.StringUtils.java

/**
 * Returns true if s is a legal Java identifier.<p>
 * <a href="http://www.exampledepot.com/egs/java.lang/IsJavaId.html">more info.</a>
 *//*from w w  w  .  j a v a2 s . c  o m*/
public static boolean isJavaIdentifier(String s) {
    if (s.length() == 0 || !Character.isJavaIdentifierStart(s.charAt(0))) {
        return false;
    }
    for (int i = 1; i < s.length(); i++) {
        if (!Character.isJavaIdentifierPart(s.charAt(i))) {
            return false;
        }
    }
    return true;
}

---

From source file:PackageUtils.java

private static String removeIllegalIdentifierChars(String token) {
    StringBuffer newToken = new StringBuffer();
    for (int i = 0; i < token.length(); i++) {
        char c = token.charAt(i);

        if (i == 0 && !Character.isJavaIdentifierStart(c)) {
            // prefix an '_' if the first char is illegal
            newToken.append("_" + c);
        } else if (!Character.isJavaIdentifierPart(c)) {
            // replace the char with an '_' if it is illegal
            newToken.append('_');
        } else {//from w w w  .  ja v a2  s .c  o  m
            // add the legal char
            newToken.append(c);
        }
    }
    return newToken.toString();
}

---

From source file:com.salesforce.ide.ui.editors.internal.apex.completions.ApexCompletionUtils.java

public String getPrefix(ITextViewer viewer, int offset) throws BadLocationException {
    IDocument doc = viewer.getDocument();
    if (doc == null || offset > doc.getLength())
        return null;

    int length = 0;
    while (--offset >= 0) {
        char currentChar = doc.getChar(offset);
        if (Character.isJavaIdentifierPart(currentChar) || currentChar == FULLY_QUALIFIED_NAME_SEPARATOR_CHAR) {
            length++;//from   w ww.  ja v a  2  s.c o m
        } else {
            break;
        }
    }

    return doc.get(offset + 1, length);
}

---

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