Example usage for java.lang Character isWhitespace

List of usage examples for java.lang Character isWhitespace

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Introduction

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

Prototype

public static boolean isWhitespace(int codePoint)

Source Link

Document

Determines if the specified character (Unicode code point) is white space according to Java.

Usage

From source file:com.screenslicer.common.CommonUtil.java

public static int nextTextBreak(String str, int start) {
    if (CommonUtil.isEmpty(str) || start >= str.length()) {
        return str == null ? -1 : str.length();
    }//from   ww w. ja v a 2 s . com
    int next = start;
    for (; next + 1 < str.length() && (str.charAt(next) != '.' || !Character.isWhitespace(str.charAt(next + 1)))
            && str.charAt(next) != '\n' && str.charAt(next) != '\r' && str.charAt(next) != '\f'; next++)
        ;
    return (str.charAt(next) == '\n' || str.charAt(next) == '\r' || str.charAt(next) == '\f') ? next : next + 1;
}

From source file:com.btoddb.chronicle.catchers.RestCatcherImpl.java

public boolean isJsonArray(InputStream inStream) {
    if (null == inStream) {
        return false;
    }/*from w  w  w  .ja  v a  2  s. c  om*/

    int count = 100;
    inStream.mark(count);
    int ch;
    try {
        do {
            ch = inStream.read();
        } while ('[' != ch && '{' != ch && Character.isWhitespace((char) ch) && -1 != ch && --count > 0);

        inStream.reset();
        if (0 == count) {
            Utils.logAndThrow(logger, "unrecognizable JSON, or too much whitespace before JSON doc starts");
        }
        return '[' == ch;
    } catch (IOException e) {
        Utils.logAndThrow(logger, "exception while looking for JSON in InputStream", e);
    }

    return false;
}

From source file:com.subgraph.vega.ui.httpviewer.entity.HttpEntityViewer.java

private boolean isBodyAscii(String body) {
    if (body == null || body.isEmpty())
        return false;

    final int total = (body.length() > 500) ? (500) : (body.length());
    int printable = 0;
    for (int i = 0; i < total; i++) {
        char c = body.charAt(i);
        if ((c >= 0x20 && c <= 0x7F) || Character.isWhitespace(c))
            printable += 1;/*  w w w .  j av a 2  s. c  o m*/
    }
    return ((printable * 100) / total > 90);
}

From source file:eu.lunisolar.magma.doc.FileProcessor.java

private int numberOfPrefixSpaces(String line) {

    if (line.length() == 0) {
        return Integer.MAX_VALUE;
    }//from w  ww .  j  a  v a2 s . co m
    int i = 0;
    while (i < line.length() && Character.isWhitespace(line.charAt(i))) {
        i++;
    }
    return i;
}

From source file:com.github.xbn.text.StringUtil.java

/**
   <p>Eliminate whitespace from the left side of a str_obj.</p>
        /*from w  w w  .j  a  v a  2 s .  co  m*/
   <p>The idea for this and {@code rtrim(str_toPad)} is from
   <br/> &nbsp; &nbsp; <code><a href="http://stackoverflow.com/questions/15567010/what-is-a-good-alternative-of-ltrim-and-rtrim-in-java">http://stackoverflow.com/questions/15567010/what-is-a-good-alternative-of-ltrim-and-rtrim-in-java</a></code>
   <br/>and
   <br/> &nbsp; &nbsp; <code><a href="http://www.fromdev.com/2009/07/playing-with-java-str_obj-trim-basics.html">http://www.fromdev.com/2009/07/playing-with-java-str_obj-trim-basics.html</a></code>
   <br/>(viewed 11/18/2013)</p>
        
 * @param  str_toPad  May not be {@code null}.
 * @see  #rtrim(Object) rtrim(o)
 */
public static String ltrim(Object str_toPad) {
    String s = null;
    try {
        s = str_toPad.toString();
    } catch (RuntimeException rx) {
        throw CrashIfObject.nullOrReturnCause(str_toPad, "str_toPad", null, rx);
    }
    int i = 0;
    while (i < s.length() && Character.isWhitespace(s.charAt(i))) {
        i++;
    }
    return s.substring(i);
}

From source file:crow.util.Util.java

/**
 * ?//from   w  w  w .ja  va 2s  . c o m
 * <ul>
 * <li>Util.isEmpty(null) = true</li>
 * <li>Util.isEmpty("") = true</li>
 * <li>Util.isEmpty("   ") = true</li>
 * <li>Util.isEmpty("abc") = false</li>
 * </ul>
 * 
 * @param value
 *            
 * @return true/false
 */
public static boolean isEmpty(String value) {
    int strLen;
    if (value == null || (strLen = value.length()) == 0) {
        return true;
    }
    for (int i = 0; i < strLen; i++) {
        if ((Character.isWhitespace(value.charAt(i)) == false)) {
            return false;
        }
    }
    return true;
}

From source file:io.jsonwebtoken.impl.DefaultJwtParser.java

@Override
public boolean isSigned(String jwt) {

    if (jwt == null) {
        return false;
    }/*from w w  w  . j ava  2  s .  co  m*/

    int delimiterCount = 0;

    for (int i = 0; i < jwt.length(); i++) {
        char c = jwt.charAt(i);

        if (delimiterCount == 2) {
            return !Character.isWhitespace(c) && c != SEPARATOR_CHAR;
        }

        if (c == SEPARATOR_CHAR) {
            delimiterCount++;
        }
    }

    return false;
}

From source file:net.pandoragames.far.ui.swing.component.UndoHistory.java

/**
 * Adds an UndoableEdit object (undo) to the list of undoable modifications. 
 * @param anEdit to be added to the undo history
 *//* www  . j a  va2  s. c om*/
public boolean addEdit(UndoableEdit anEdit) {
    cutBranch();
    if (logger.isTraceEnabled()) {
        logger.trace("ADD:" + stringValue(anEdit));
    }
    UNDOTYPE undoType = UNDOTYPE.OTHER;
    if (anEdit instanceof AbstractDocument.DefaultDocumentEvent) {
        AbstractDocument.DefaultDocumentEvent event = (AbstractDocument.DefaultDocumentEvent) anEdit;
        if (event.getType() == DocumentEvent.EventType.REMOVE) {
            undoType = UNDOTYPE.REMOVE;
        } else if (event.getType() == DocumentEvent.EventType.INSERT) {
            String change = stringValue(anEdit);
            if ((change.length() == 1) && (Character.isWhitespace(change.charAt(0)))) {
                undoType = UNDOTYPE.WHITESPACE;
            } else {
                undoType = UNDOTYPE.INSERT;
            }
        } else if (event.getType() == DocumentEvent.EventType.CHANGE) {
            undoType = UNDOTYPE.CHANGE;
        }
    }
    if (UNDOTYPE.OTHER.equals(undoType)) {
        addIt(anEdit, undoType);
    } else if (lastWrittenUndo.equals(undoType)) {
        // an UndoRun has already been created
        undoList.get(index - 1).addEdit(anEdit);
    } else {
        addIt(anEdit, undoType);
    }
    lastWrittenUndo = undoType;
    transientRecords = 0;
    validateDOActions();
    validateShotActions();
    return false;
}

From source file:ca.simplegames.micro.utils.StringUtils.java

/**
 * Trim <i>all</i> whitespace from the given String:
 * leading, trailing, and inbetween characters.
 *
 * @param str the String to check/*from   w ww  .  j  av a  2  s.co  m*/
 * @return the trimmed String
 * @see java.lang.Character#isWhitespace
 */
public static String trimAllWhitespace(String str) {
    if (!hasLength(str)) {
        return str;
    }
    StringBuffer buf = new StringBuffer(str);
    int index = 0;
    while (buf.length() > index) {
        if (Character.isWhitespace(buf.charAt(index))) {
            buf.deleteCharAt(index);
        } else {
            index++;
        }
    }
    return buf.toString();
}

From source file:org.apache.uima.ruta.resource.TreeWordList.java

/**
 * Add a new String into the TreeWordList
 * /*  w ww .jav a2 s. c om*/
 * @param s
 *          The String to add
 */
public void addWord(String s) {
    // Create Nodes from all chars of the strings besides the last one
    TextNode pointer = root;
    for (Character each : s.toCharArray()) {
        if (dictRemoveWS && Character.isWhitespace(each)) {
            continue;
        }
        TextNode childNode = pointer.getChildNode(each);
        if (childNode == null) {
            childNode = new TextNode(each, false);
            pointer.addChild(childNode);
        }
        pointer = childNode;
    }
    pointer.setWordEnd(s.length() > 0);
}