Example usage for java.io CharArrayWriter CharArrayWriter

Introduction

In this page you can find the example usage for java.io CharArrayWriter CharArrayWriter.

Prototype

public CharArrayWriter() 

Source Link

Document

Creates a new CharArrayWriter.

Usage

From source file:org.commoncrawl.util.ArcFileWriter.java

private String escapeURI(String uri, String charsetEncoding) throws IOException {

    boolean needToChange = false;

    StringBuffer out = new StringBuffer(uri.length());

    Charset charset;//  w  ww  .ja va  2 s.com

    CharArrayWriter charArrayWriter = new CharArrayWriter();

    if (charsetEncoding == null)
        throw new NullPointerException("charsetName");

    try {
        charset = Charset.forName(charsetEncoding);
    } catch (IllegalCharsetNameException e) {
        throw new UnsupportedEncodingException(charsetEncoding);
    } catch (UnsupportedCharsetException e) {
        throw new UnsupportedEncodingException(charsetEncoding);
    }

    for (int i = 0; i < uri.length();) {
        int c = (int) uri.charAt(i);
        // System.out.println("Examining character: " + c);
        if (dontNeedEncoding.get(c)) {
            out.append((char) c);
            i++;
        } else {
            // convert to external encoding before hex conversion
            do {
                charArrayWriter.write(c);
                /*
                 * If this character represents the start of a Unicode surrogate pair,
                 * then pass in two characters. It's not clear what should be done if
                 * a bytes reserved in the surrogate pairs range occurs outside of a
                 * legal surrogate pair. For now, just treat it as if it were any
                 * other character.
                 */
                if (c >= 0xD800 && c <= 0xDBFF) {
                    /*
                     * System.out.println(Integer.toHexString(c) +
                     * " is high surrogate");
                     */
                    if ((i + 1) < uri.length()) {
                        int d = (int) uri.charAt(i + 1);
                        /*
                         * System.out.println("\tExamining " + Integer.toHexString(d));
                         */
                        if (d >= 0xDC00 && d <= 0xDFFF) {
                            /*
                             * System.out.println("\t" + Integer.toHexString(d) +
                             * " is low surrogate");
                             */
                            charArrayWriter.write(d);
                            i++;
                        }
                    }
                }
                i++;
            } while (i < uri.length() && !dontNeedEncoding.get((c = (int) uri.charAt(i))));

            charArrayWriter.flush();
            String str = new String(charArrayWriter.toCharArray());
            byte[] ba = str.getBytes(charsetEncoding);
            for (int j = 0; j < ba.length; j++) {
                out.append('%');
                char ch = Character.forDigit((ba[j] >> 4) & 0xF, 16);
                // converting to use uppercase letter as part of
                // the hex value if ch is a letter.
                if (Character.isLetter(ch)) {
                    ch -= caseDiff;
                }
                out.append(ch);
                ch = Character.forDigit(ba[j] & 0xF, 16);
                if (Character.isLetter(ch)) {
                    ch -= caseDiff;
                }
                out.append(ch);
            }
            charArrayWriter.reset();
            needToChange = true;
        }
    }

    return (needToChange ? out.toString() : uri);
}

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From source file:org.apache.struts2.jasper.JspC.java

private void initWebXml() {
    try {/*  w ww .j a v a2s.  c om*/
        if (webxmlLevel >= INC_WEBXML) {
            File fmapings = new File(webxmlFile);
            mapout = new FileWriter(fmapings);
            servletout = new CharArrayWriter();
            mappingout = new CharArrayWriter();
        } else {
            mapout = null;
            servletout = null;
            mappingout = null;
        }
        if (webxmlLevel >= ALL_WEBXML) {
            mapout.write(Localizer.getMessage("jspc.webxml.header"));
            mapout.flush();
        } else if ((webxmlLevel >= INC_WEBXML)) {
            mapout.write(Localizer.getMessage("jspc.webinc.header"));
            mapout.flush();
        }
    } catch (IOException ioe) {
        mapout = null;
        servletout = null;
        mappingout = null;
    }
}

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From source file:org.apache.jasper.JspC.java

private void initWebXml() {
    try {//www.j  a v a2  s  . c  om
        if (webxmlLevel >= INC_WEBXML) {
            File fmapings = new File(webxmlFile);
            mapout = new FileWriter(fmapings);
            servletout = new CharArrayWriter();
            mappingout = new CharArrayWriter();
        } else {
            mapout = null;
            servletout = null;
            mappingout = null;
        }
        if (webxmlLevel >= ALL_WEBXML) {
            mapout.write(Localizer.getMessage("jspc.webxml.header"));
            mapout.flush();
        } else if ((webxmlLevel >= INC_WEBXML) && !addWebXmlMappings) {
            mapout.write(Localizer.getMessage("jspc.webinc.header"));
            mapout.flush();
        }
    } catch (IOException ioe) {
        mapout = null;
        servletout = null;
        mappingout = null;
    }
}

---

From source file:com.tomagoyaky.jdwp.IOUtils.java

/**
 * Gets the contents of an <code>InputStream</code> as a character array
 * using the specified character encoding.
 * <p/>//from  ww w. j av  a 2  s .  co m
 * This method buffers the input internally, so there is no need to use a
 * <code>BufferedInputStream</code>.
 *
 * @param is the <code>InputStream</code> to read from
 * @param encoding the encoding to use, null means platform default
 * @return the requested character array
 * @throws NullPointerException if the input is null
 * @throws IOException          if an I/O error occurs
 * @since 2.3
 */
public static char[] toCharArray(final InputStream is, final Charset encoding) throws IOException {
    final CharArrayWriter output = new CharArrayWriter();
    copy(is, output, encoding);
    return output.toCharArray();
}

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From source file:com.silentcircle.silenttext.application.SilentTextApplication.java

public CharSequence getFullJIDForUsername(CharSequence username) {
    CharArrayWriter out = new CharArrayWriter();
    boolean shouldAppend = true;
    for (int i = 0; i < username.length(); i++) {
        char c = username.charAt(i);
        out.append(username.charAt(i));/*from  w  w  w.  j  av a 2s .  c o  m*/
        if (c == '@') {
            shouldAppend = false;
        }
    }
    if (shouldAppend) {
        out.append('@');
        out.append(getDomain());
    }
    return CharBuffer.wrap(out.toCharArray());
}

---

From source file:com.google.acre.script.HostEnv.java

/**
 *  This implies an internal problem in acreboot.js, since it should
 *  be handling any user errors./*from  w w  w.j  a  v a 2 s . co  m*/
 */
private void reportDisaster(String message, Throwable exc) {
    // we hit a java exception.  all
    // bare java exception should have been trapped
    // and hidden by now, so this is a serious internal
    // error.

    try {
        syslog(ERROR, "hostenv.internal.error", "Internal error in script boot: " + message);

        startErrorPage();
        signalAcreError(message);

        CharArrayWriter cw = new CharArrayWriter();
        PrintWriter pw = new PrintWriter(cw);
        exc.printStackTrace(pw);
        if (null != exc.getCause()) {
            pw.write("Caused by:\n");
            pw.write(exc.getCause().getMessage() + "\n");
            exc.getCause().printStackTrace(pw);
        }
        pw.flush();
        String excdump = cw.toString();
        syslog(ERROR, "hostenv.internal.error.msg", "ACRE INTERNAL ERROR: \n" + excdump);

        write("ACRE INTERNAL ERROR -- Please Report to irc://irc.freenode.net/#freebase\n");
        write("Request Id: " + req._metaweb_tid + "\n\n");
        write(excdump + "\n");
    } catch (Throwable e) {
        syslog(ERROR, "hostenv.internal.error.fatal", "Dispatch: Acre Last chance error, giving up" + exc);
        syslog(ERROR, "hostenv.internal.error.fatal.failed_on", "Failed reporting the error above" + e);

        // XXX this should be replaced with an exception class that is unique to this case
        // and will never be caught.
        throw new AcreInternalError("Failed while reporting a disaster", e);
    }
}

---

From source file:org.opensingular.internal.lib.commons.xml.MElement.java

/**
 * Gera o XML to elemento conforme o funcionamento do mtodo printTabulado
 * (utilizar preferencialment printTabulado). Existe como convenincia
 * quando no houver um PrintWriter ou PrintStream disponvel.
 *
 * @return o XML com um tag por linha e alinhado conforme o nvel
 *//* w w w  . j  a  v  a  2 s  .c o  m*/
@Override
public String toString() {
    CharArrayWriter writer = new CharArrayWriter();
    PrintWriter out = new PrintWriter(writer);
    printTabulado(out);
    out.flush();
    return writer.toString();
}

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From source file:com.stratelia.silverpeas.silvertrace.SilverTrace.java

/**
 * Format the trace message for the Error and Fatal specific case
 *   //from  w  ww.  j av a  2  s.co  m
 * @param module
 * @param classe
 * @param messageID
 * @param extraInfos
 * @param ex
 * @return the built message
 */
static protected String formatErrorAndFatalMessage(String module, String classe, String messageID,
        String extraInfos, Throwable ex) {
    String extraParams;
    if (ex != null) {
        CharArrayWriter buffer = new CharArrayWriter();
        ex.printStackTrace(new PrintWriter(buffer));
        if (StringUtil.isDefined(extraInfos)) {
            extraParams = extraInfos + ", EXCEPTION : " + buffer.toString();
        } else {
            extraParams = "EXCEPTION : " + buffer.toString();
        }
    } else {
        extraParams = extraInfos;
    }
    return formatTraceMessage(module, classe, messageID, traceMessages.getMsgString(messageID), extraParams);
}

---

From source file:org.opensingular.internal.lib.commons.xml.MElement.java

/**
 * Gera o XML do elemento conforme o funcionamento do mtodo print (utilizar
 * preferencialment printTabulado). Existe como convenincia quando no
 * houver um PrintWriter ou PrintStream disponvel.
 *
 * @return a String que feito parse, retorna o mesmo conteudo
 *///from ww w  .j  ava  2 s.c o m
public final String toStringExato() {
    CharArrayWriter writer = new CharArrayWriter();
    PrintWriter out = new PrintWriter(writer);
    print(out, true, true);
    out.flush();
    return writer.toString();
}

---

From source file:org.opensingular.internal.lib.commons.xml.MElement.java

/**
 * Gera o XML do elemento conforme o funcionamento do mtodo print (utilizar
 * preferencialment printTabulado). Existe como convenincia quando no
 * houver um PrintWriter ou PrintStream disponvel.
 *
 * @param printHeader Indica se ser adiciona o identificado inicial de
 *                    arquivo XML. Se for false, no ser possvel fazer parse do
 *                    resultado sem a adio de informaes complementares.
 * @return a String que feito parse, retorna o mesmo conteudo
 *///www  .jav a 2  s .  c o m
public final String toStringExato(boolean printHeader) {
    CharArrayWriter writer = new CharArrayWriter();
    PrintWriter out = new PrintWriter(writer);
    print(out, printHeader, true);
    out.flush();
    return writer.toString();
}

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