Example usage for java.lang CharSequence charAt

List of usage examples for java.lang CharSequence charAt

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Introduction

In this page you can find the example usage for java.lang CharSequence charAt.

Prototype

char charAt(int index);

Source Link

Document

Returns the char value at the specified index.

Usage

From source file:com.mirth.connect.plugins.datatypes.hl7v2.XMLEncodedHL7Handler.java

@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
    logger.trace("ending element: " + localName);
    inElement = false;//from   w w w .j  ava  2  s .  c o  m

    String[] localNameArray = StringUtils.split(localName, ID_DELIMETER);

    /*
     * Once we see the closing of MSH.1 or MSH.2 tags, we know that the separator characters
     * have been added to the output buffer, so we can grab them and set the local variables.
     */
    if ((localNameArray.length == 1) && (localNameArray[0].equals(ER7Reader.MESSAGE_ROOT_ID))) {
        return;
    } else if (localNameArray.length == 2) {
        if (isHeaderSegment(localNameArray[0])) {
            if ((localNameArray[1].length() == 1) && (localNameArray[1].charAt(0) == '1')) {
                fieldSeparator = String.valueOf(output.charAt(output.length() - 1));
                return;
            } else if ((localNameArray[1].length() == 1) && (localNameArray[1].charAt(0) == '2')) {
                CharSequence separators = output.subSequence(4, output.length());
                componentSeparator = String.valueOf(separators.charAt(0));
                repetitionSeparator = String.valueOf(separators.charAt(1));
                escapeCharacter = separators.length() > 2 ? String.valueOf(separators.charAt(2)) : "";
                subcomponentSeparator = separators.length() > 3 ? String.valueOf(separators.charAt(3)) : "";
            }
        }
    }

    int currentDelimeterCount = localNameArray.length - 1;

    /*
     * We don't want to have tailing separators, so once we get to the last element of a nested
     * level, we delete the last character.
     */
    if (currentDelimeterCount > previousDelimeterCount) {
        previousDelimeterCount = currentDelimeterCount;
    } else if (currentDelimeterCount < previousDelimeterCount && previousDelimiterLength > 0) {
        output.deleteCharAt(output.length() - 1);
        previousDelimeterCount = currentDelimeterCount;
    }

    /*
     * The number of periods in the element tells us the level. So, MSH is at level 0, MSH.3 is
     * at level 1, MSH.3.1 at level 2, and so on. We can use this to determine which seperator
     * to append once the element is closed.
     * 
     * MIRTH-2078: Only add the last character if the root delimiter is 0 (HL7Message) or the
     * current element level is deeper than the root level. This only pertains to partial XML
     * messages where the root is a field or component.
     */
    if (rootLevel == 0 || currentDelimeterCount >= rootLevel) {
        switch (currentDelimeterCount) {
        case 0:
            output.append(segmentSeparator);
            break;
        case 1:
            output.append(fieldSeparator);
            break;
        case 2:
            output.append(componentSeparator);
            previousDelimiterLength = componentSeparator.length();
            break;
        case 3:
            output.append(subcomponentSeparator);
            previousDelimiterLength = subcomponentSeparator.length();
            break;
        default:
            break;
        }
    }
}

From source file:com.lm.im_huanxin.ui.widget.KJChatKeyboard.java

/**
 * =?= ??????1//from  w w  w . j  a v  a  2 s.c  o  m
 *
 * @param c
 * @return
 */
private long calculateLength(CharSequence c) {
    double len = 0;
    for (int i = 0; i < c.length(); i++) {
        int tmp = (int) c.charAt(i);
        if (tmp > 0 && tmp < 127) {
            len += 0.5;
        } else {
            len++;
        }
    }
    return Math.round(len);
}

From source file:jef.tools.ArrayUtils.java

/**
 * CharSequence????char/*w ww .  java  2 s.co m*/
 * ?CharBuffer,StringBuilder,StringbufferIterator???
 * 
 * @param e
 * @return
 */
public static Iterable<Character> toIterable(final CharSequence e) {
    return new Iterable<Character>() {
        public Iterator<Character> iterator() {
            return new Iterator<Character>() {
                int n = 0;

                public boolean hasNext() {
                    return n < e.length();
                }

                public Character next() {
                    return e.charAt(n++);
                }

                public void remove() {
                    throw new UnsupportedOperationException();
                }
            };
        }
    };
}

From source file:netbeanstypescript.TSCodeCompletion.java

@Override
public String getPrefix(ParserResult info, int caretOffset, boolean upToOffset) {
    CharSequence seq = info.getSnapshot().getText();
    int i = caretOffset, j = i;
    while (i > 0 && Character.isJavaIdentifierPart(seq.charAt(i - 1))) {
        i--;//from  w w  w  .  j a v  a  2s.  c o  m
    }
    while (!upToOffset && j < seq.length() && Character.isJavaIdentifierPart(seq.charAt(j))) {
        j++;
    }
    return seq.subSequence(i, j).toString();
}

From source file:br.msf.commons.util.CharSequenceUtils.java

public static char firstChar(final CharSequence sequence) {
    ArgumentUtils.rejectIfNull(sequence);
    return sequence.charAt(0);
}

From source file:br.msf.commons.util.CharSequenceUtils.java

public static char lastChar(final CharSequence sequence) {
    ArgumentUtils.rejectIfNull(sequence);
    return sequence.charAt(length(sequence));
}

From source file:com.mirth.connect.model.converters.XMLEncodedHL7Handler.java

@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
    logger.trace("ending element: " + localName);
    inElement = false;/*from w  w w  . j a v a 2s  . c o m*/

    String[] localNameArray = StringUtils.split(localName, ID_DELIMETER);

    /*
     * Once we see the closing of MSH.1 or MSH.2 tags, we know that the
     * separator characters have been added to the output buffer, so we can
     * grab them and set the local variables.
     */
    if ((localNameArray.length == 1) && (localNameArray[0].equals(ER7Reader.MESSAGE_ROOT_ID))) {
        return;
    } else if (localNameArray.length == 2) {
        if (isHeaderSegment(localNameArray[0])) {
            if ((localNameArray[1].length() == 1) && (localNameArray[1].charAt(0) == '1')) {
                fieldSeparator = String.valueOf(output.charAt(output.length() - 1));
                return;
            } else if ((localNameArray[1].length() == 1) && (localNameArray[1].charAt(0) == '2')) {
                CharSequence separators = output.subSequence(output.length() - 4, output.length());
                componentSeparator = String.valueOf(separators.charAt(0));
                repetitionSeparator = String.valueOf(separators.charAt(1));
                escapeCharacter = String.valueOf(separators.charAt(2));
                subcomponentSeparator = String.valueOf(separators.charAt(3));
            }
        }
    }

    int currentDelimeterCount = localNameArray.length - 1;

    /*
     * We don't want to have tailing separators, so once we get to the last
     * element of a nested level, we delete the last character.
     */
    if (currentDelimeterCount > previousDelimeterCount) {
        previousDelimeterCount = currentDelimeterCount;
    } else if (currentDelimeterCount < previousDelimeterCount) {
        output.deleteCharAt(output.length() - 1);
        previousDelimeterCount = currentDelimeterCount;
    }

    /*
     * The number of periods in the element tells us the level. So, MSH is
     * at level 0, MSH.3 is at level 1, MSH.3.1 at level 2, and so on. We
     * can use this to determine which seperator to append once the element
     * is closed.
     * 
     * MIRTH-2078: Only add the last character if the root delimiter is 0
     * (HL7Message) or the current element level is deeper than the root
     * level. This only pertains to partial XML messages where the root is a
     * field or component.
     */
    if (rootLevel == 0 || currentDelimeterCount >= rootLevel) {
        switch (currentDelimeterCount) {
        case 0:
            output.append(segmentSeparator);
            break;
        case 1:
            output.append(fieldSeparator);
            break;
        case 2:
            output.append(componentSeparator);
            break;
        case 3:
            output.append(subcomponentSeparator);
            break;
        default:
            break;
        }
    }
}

From source file:netbeanstypescript.TSStructureScanner.java

@Override
public Map<String, List<OffsetRange>> folds(ParserResult pr) {
    Object arr = TSService.call("getFolds", pr.getSnapshot().getSource().getFileObject());
    if (arr == null) {
        return Collections.emptyMap();
    }/* w  w w.j  a v  a  2s. com*/
    List<OffsetRange> ranges = new ArrayList<>();
    CharSequence text = pr.getSnapshot().getText();
    for (JSONObject span : (List<JSONObject>) arr) {
        int start = ((Number) span.get("start")).intValue();
        int end = ((Number) span.get("end")).intValue();
        if (text.charAt(start) == '/') {
            // ts.OutliningElementsCollector creates folds for sequences of multiple //-comments
            // preceding a declaration, but this can prevent NetBeans's <editor-fold> directives
            // from working. Remove all lines up to and including the last such directive.
            int startDelta = 0;
            for (Matcher m = editorFolds.matcher(text.subSequence(start, end)); m.find();) {
                startDelta = m.end();
            }
            start += startDelta;
            // There may be only a single line left - for consistency, don't fold it
            if (text.subSequence(start, end).toString().indexOf('\n') < 0) {
                continue;
            }
        }
        ranges.add(new OffsetRange(start, end));
    }
    return Collections.singletonMap("codeblocks", ranges);
}

From source file:org.greencheek.utils.environment.propertyplaceholder.resolver.value.VariablePlaceholderValueResolver.java

/**
 * Taken from Spring StringUtils (org.springframework.util.StringUtils;)
 *
 * Test whether the given string matches the given substring
 * at the given index.//from  w  w  w.  j a  v  a 2  s .co m
 * @param str the original string (or StringBuilder)
 * @param index the index in the original string to start matching against
 * @param substring the substring to match at the given index
 */
public boolean substringMatch(CharSequence str, int index, CharSequence substring) {
    for (int j = 0; j < substring.length(); j++) {
        int i = index + j;
        if (i >= str.length() || str.charAt(i) != substring.charAt(j)) {
            return false;
        }
    }
    return true;
}

From source file:dk.teachus.backend.test.CreateMysqlTestDatabase.java

private List<String> parseSqlIntoSingleStatements(CharSequence sql) {
    List<String> statements = new ArrayList<String>();

    StringBuilder statement = new StringBuilder();
    boolean escape = false;
    boolean quote = false;
    for (int n = 0; n < sql.length(); n++) {
        char currentChar = sql.charAt(n);

        switch (currentChar) {
        case '"':
        case '`':
        case '\'':
            if (escape == false) {
                quote = quote == false;//from   w ww. j  a  v  a 2s.c  o m
            }
            escape = false;
            statement.append(currentChar);
            break;
        case '\\':
            escape = escape == false;
            statement.append(currentChar);
            break;
        case ';':
            if (quote == false) {
                statements.add(statement.toString());
                statement = new StringBuilder();
            }
            break;
        default:
            statement.append(currentChar);
        }
    }

    String sqlStatement = statement.toString();
    sqlStatement = sqlStatement.trim();

    if (sqlStatement.length() > 0) {
        statements.add(sqlStatement);
    }

    return statements;
}