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:io.spring.initializr.metadata.InitializrConfiguration.java

private static boolean hasInvalidChar(String text) {
    if (!Character.isJavaIdentifierStart(text.charAt(0))) {
        return true;
    }//w  w  w  .  j av  a  2s  .c  o m
    if (text.length() > 1) {
        for (int i = 1; i < text.length(); i++) {
            if (!Character.isJavaIdentifierPart(text.charAt(i))) {
                return true;
            }
        }
    }
    return false;
}

From source file:com.aiblockchain.api.StringUtils.java

/**
 * Returns whether the given string is a valid Java class name.
 *
 * @param string the given string//from   w  w w  .jav a  2s . c om
 *
 * @return whether the given string is a valid Java class name
 */
public static boolean isJavaClassName(final String string) {
    if (string == null || string.isEmpty() || !Character.isJavaIdentifierStart(string.charAt(0))
            || string.contains("..")) {
        return false;
    }
    for (int i = 1; i < string.length(); i++) {
        final char ch = string.charAt(i);
        if (!Character.isJavaIdentifierPart(ch) && ch != '.') {
            return false;
        }
    }
    final String[] lastNameParts = string.split("\\.");
    final String lastNamePart = lastNameParts[lastNameParts.length - 1];
    return Character.isUpperCase(lastNamePart.charAt(0));
}

From source file:org.apache.sling.scripting.sightly.impl.engine.compiled.SourceIdentifier.java

/**
 * Converts the given identifier to a legal Java identifier
 *
 * @param identifier the identifier to convert
 * @return legal Java identifier corresponding to the given identifier
 *///from  w ww .  j  a v  a  2s . c  o m
public static String makeJavaIdentifier(String identifier) {
    StringBuilder modifiedIdentifier = new StringBuilder(identifier.length());
    if (!Character.isJavaIdentifierStart(identifier.charAt(0))) {
        modifiedIdentifier.append('_');
    }
    for (int i = 0; i < identifier.length(); i++) {
        char ch = identifier.charAt(i);
        if (Character.isJavaIdentifierPart(ch) && ch != '_') {
            modifiedIdentifier.append(ch);
        } else if (ch == '.') {
            modifiedIdentifier.append('_');
        } else {
            modifiedIdentifier.append(mangleChar(ch));
        }
    }
    if (isJavaKeyword(modifiedIdentifier.toString())) {
        modifiedIdentifier.append('_');
    }
    return modifiedIdentifier.toString();
}

From source file:org.apache.pluto.driver.util.PageState.java

/**
 * Returns a Pluto namespace string for the input portlet ID.
 * @param   portletId//w ww  .ja v  a 2s  . com
 * @return  namespace string for the portlet ID
 */
public String getNameSpace(String portletId) {
    StringBuffer ns = new StringBuffer("Pluto_");
    for (int ii = 0; ii < portletId.length(); ii++) {
        if (Character.isJavaIdentifierPart(portletId.charAt(ii))) {
            ns.append(portletId.charAt(ii));
        } else {
            ns.append("_");
        }
    }
    ns.append("_");
    return ns.toString();
}

From source file:org.apache.cayenne.project.upgrade.v6.XMLDataChannelDescriptorLoader_V3_0_0_1.java

/**
 * Make sure the domain name is only made up of Java-identifier-safe
 * characters./*from   ww w  .ja  v a  2s .c  o m*/
 */
protected String scrubDomainName(String name) {
    if (name == null || name.length() == 0) {
        return name;
    }

    StringBuilder buffer = new StringBuilder(name.length());

    for (int i = 0; i < name.length(); i++) {
        char c = name.charAt(i);
        if (i == 0 && !Character.isJavaIdentifierStart(c)) {
            buffer.append('_');
        } else if (i > 0 && !Character.isJavaIdentifierPart(c)) {
            buffer.append('_');
        } else {
            buffer.append(c);
        }
    }

    return buffer.toString();
}

From source file:com.nextep.designer.sqlgen.mysql.strategies.SQLAutoIndentStrategy.java

/**
 * Retrieves the last word immediately before the specified
 * offset in the document. Any space will be ignored.
 * //w ww  .ja  v  a 2 s  .  co m
 * @param document document to look into
 * @param offset offset to start the search from.
 * @return the last word.
 */
private String getLastWord(IDocument doc, int offset) {
    if (doc == null || offset > doc.getLength())
        return "";

    int length = 0;
    try {
        boolean wordStarted = false;
        while (--offset >= 0
                && (!wordStarted || wordStarted && Character.isJavaIdentifierPart(doc.getChar(offset)))) {
            // We continue on spaces
            if (' ' == doc.getChar(offset)) {
                continue;
            } else if (!wordStarted) {
                wordStarted = true;
            }
            length++;
        }

        return doc.get(offset + 1, length);
    } catch (BadLocationException e) {
        log.debug("Error while retrieving completion prefix: BadLocation.");
        return "";
    }
}

From source file:org.ops4j.ramler.generator.Names.java

/**
 * Get enum field name from value/* www  . j av  a 2  s.  c om*/
 *
 * @param value
 *            string to be checked
 * @return a {@link java.lang.String} object.
 */
public static boolean canBeEnumConstantName(final String value) {
    boolean res = !value.isEmpty();
    for (int i = 0; i < value.length(); i++) {
        char c = value.charAt(i);
        if (i == 0) {
            res &= Character.isJavaIdentifierStart(c);
        } else {
            res &= Character.isJavaIdentifierPart(c);
        }
        if (!res) {
            break;
        }
    }
    return res;
}

From source file:JavaScriptCompressor.java

/**
 * Adds an identifier to output./*from w  ww  .  j  av  a2s  . c om*/
 */
private void renderIdentifier() {
    if (!contentAppendedAfterLastIdentifier)
        append(SPACE);
    append(ch);
    nextChar();
    while (Character.isJavaIdentifierPart(ch)) {
        append(ch);
        nextChar();
    }
    contentAppendedAfterLastIdentifier = false;
}

From source file:com.cloudera.sqoop.orm.ClassWriter.java

/**
 * Given some character that can't be in an identifier,
 * try to map it to a string that can.//from w w  w. ja  va 2  s  .  c o  m
 *
 * @param c a character that can't be in a Java identifier
 * @return a string of characters that can, or null if there's
 * no good translation.
 */
static String getIdentifierStrForChar(char c) {
    if (Character.isJavaIdentifierPart(c)) {
        return "" + c;
    } else if (Character.isWhitespace(c)) {
        // Eliminate whitespace.
        return null;
    } else {
        // All other characters map to underscore.
        return "_";
    }
}

From source file:JavaFileGenerator.java

private String substitute(String text) throws IOException {
    int startPos;

    if ((startPos = text.indexOf("${")) == -1) {
        return text;
    }//www. j a va 2  s  .c  o  m

    // Find matching "}".
    int braceDepth = 1;
    int endPos = startPos + 2;

    while (endPos < text.length() && braceDepth > 0) {
        if (text.charAt(endPos) == '{')
            braceDepth++;
        else if (text.charAt(endPos) == '}')
            braceDepth--;

        endPos++;
    }

    if (braceDepth != 0)
        throw new IOException("Mismatched \"{}\" in template string: " + text);

    final String variableExpression = text.substring(startPos + 2, endPos - 1);

    // Find the end of the variable name
    String value = null;

    for (int i = 0; i < variableExpression.length(); i++) {
        char ch = variableExpression.charAt(i);

        if (ch == ':' && i < variableExpression.length() - 1 && variableExpression.charAt(i + 1) == '-') {
            value = substituteWithDefault(variableExpression.substring(0, i),
                    variableExpression.substring(i + 2));
            break;
        } else if (ch == '?') {
            value = substituteWithConditional(variableExpression.substring(0, i),
                    variableExpression.substring(i + 1));
            break;
        } else if (ch != '_' && !Character.isJavaIdentifierPart(ch)) {
            throw new IOException("Invalid variable in " + text);
        }
    }

    if (value == null) {
        value = substituteWithDefault(variableExpression, "");
    }

    return text.substring(0, startPos) + value + text.substring(endPos);
}