Example usage for java.io CharArrayWriter toString

List of usage examples for java.io CharArrayWriter toString

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Introduction

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

Prototype

public String toString()

Source Link

Document

Converts input data to a string.

Usage

From source file:onl.area51.httpd.action.Response.java

static Response create(Request request) {
    class State {

        private final String tag;
        private final boolean disableMini;
        private boolean body;

        public State(String tag, boolean disableMini) {
            this.tag = tag;
            this.disableMini = disableMini;
        }/*from   w  w w .jav a  2 s.co m*/

        @Override
        public String toString() {
            return tag;
        }

    }

    CharArrayWriter writer = new CharArrayWriter();

    return new Response() {
        private ContentType contentType = ContentType.TEXT_HTML;

        private Deque<State> deque = new ArrayDeque<>();
        private State state;

        @Override
        public Response exec(Action a) throws IOException, HttpException {
            if (a != null) {
                // Ensure we have finished the current tag
                startBody();

                // Now preserve the stack & start a new one.
                // This means one action cannot affect the state of this one
                final Deque<State> orig = deque;
                deque = new ArrayDeque<>();
                try {
                    a.apply(request);
                } finally {
                    endAll();
                    deque = orig;
                }
            }
            return this;
        }

        @Override
        public Response setContentType(ContentType contentType) {
            this.contentType = contentType;
            return this;
        }

        @Override
        public HttpEntity getEntity() throws IOException {
            while (!deque.isEmpty()) {
                end();
            }
            return new StringEntity(writer.toString(), contentType);
        }

        private void startBody() {
            if (state != null && !state.body) {
                state.body = true;
                writer.append('>');
            }
        }

        private void tagOnly() {
            if (state == null || state.body) {
                throw new IllegalStateException("Not in tag");
            }
        }

        @Override
        public Response write(CharSequence seq, int s, int e) throws IOException {
            startBody();
            writer.append(seq, s, e);
            return this;
        }

        @Override
        public Response write(char[] v, int s, int l) throws IOException {
            startBody();
            writer.write(v, s, l);
            return this;
        }

        @Override
        public Response write(char v) throws IOException {
            startBody();
            writer.write(v);
            return this;
        }

        @Override
        public Response begin(String t, boolean disableMini) throws IOException {
            startBody();

            if (state != null) {
                deque.addLast(state);
            }

            state = new State(t, disableMini);

            writer.append('<');
            writer.write(state.tag);
            return this;
        }

        @Override
        public Response end() throws IOException {
            if (state == null) {
                throw new IllegalStateException("end() called outside of tag");
            }

            // elements like script mustn't be minified, i.e. <script/> is invalid must be <script></script>
            if (state.disableMini) {
                startBody();
            }

            if (state.body) {
                writer.append('<');
                writer.append('/');
                writer.append(state.tag);
                writer.append('>');
            } else {
                writer.append('/');
                writer.append('>');
            }

            state = deque.pollLast();

            return this;
        }

        @Override
        public Response endAll() throws IOException {
            while (!deque.isEmpty()) {
                end();
            }
            return this;
        }

        @Override
        public Response attr(String n, CharSequence seq) throws IOException {
            tagOnly();
            writer.append(' ');
            writer.append(n);
            writer.append('=');
            writer.append('"');
            writer.append(seq);
            writer.append('"');
            return this;
        }

        @Override
        public Response attr(String n, CharSequence seq, int s, int e) throws IOException {
            tagOnly();
            writer.append(' ');
            writer.append(n);
            writer.append('=');
            writer.append('"');
            writer.append(seq, s, e);
            writer.append('"');
            return this;
        }

        @Override
        public Response attr(String n, char[] v) throws IOException {
            tagOnly();
            writer.append(' ');
            writer.append(n);
            writer.append('=');
            writer.append('"');
            writer.write(v);
            writer.append('"');
            return this;
        }

        @Override
        public Response attr(String n, char[] v, int s, int l) throws IOException {
            tagOnly();
            writer.append(' ');
            writer.append(n);
            writer.append('=');
            writer.append('"');
            writer.write(v, s, l);
            writer.append('"');
            return this;
        }

    };
}

From source file:com.alvermont.terraj.stargen.ui.SystemFrame.java

private void detailsMenuItemActionPerformed(java.awt.event.ActionEvent evt)//GEN-FIRST:event_detailsMenuItemActionPerformed
{//GEN-HEADEREND:event_detailsMenuItemActionPerformed

    try {/*from   ww w  .ja  v a2 s. c  o  m*/
        Configuration cfg = new Configuration();
        // Specify the data source where the template files come from.
        cfg.setClassForTemplateLoading(TemplateTest.class, "/com/alvermont/terraj/stargen/templates/");

        // Specify how templates will see the data model. This is an advanced topic...
        // but just use this:
        cfg.setObjectWrapper(new DefaultObjectWrapper());

        DetailsFromTemplate dft = new DetailsFromTemplate();

        List<PlanetDetailsPanel> panels = new ArrayList<PlanetDetailsPanel>();

        // first the star

        Template temp = cfg.getTemplate("starmain_html.ftl");

        CharArrayWriter out = new CharArrayWriter();

        dft.processTemplate(temp, star, out);
        out.flush();

        BufferedImage image = UIUtils.getImage("Sun");

        image = UIUtils.scaleImage(image, 32, 64);

        PlanetDetailsPanel panel = new PlanetDetailsPanel(image, "Star", out.toString());

        panel.setName("Star");

        panels.add(panel);

        // now do the planets

        temp = cfg.getTemplate("planetmain_html.ftl");

        for (Planet planet : this.planets) {
            out = new CharArrayWriter();

            dft.processTemplate(temp, planet, this.star, out);
            out.flush();

            image = UIUtils.getImage(planet.getType().getPrintText(planet.getType()));

            image = UIUtils.scaleImage(image, 64, 64);

            panel = new PlanetDetailsPanel(image, planet.getType().getPrintText(planet.getType()),
                    out.toString());

            panel.setName("#" + planet.getNumber());

            panels.add(panel);
        }

        DetailsFrame details = new DetailsFrame(this.star, this.planets, panels);

        details.setVisible(true);
    } catch (Exception ex) {
        log.error("Error getting details from template", ex);

        JOptionPane.showMessageDialog(this, "Error: " + ex.getMessage() + "\nCheck log file for full details",
                "Template Error", JOptionPane.ERROR_MESSAGE);
    }

}

From source file:org.pentaho.platform.engine.services.MessageFormatter.java

public void formatExceptionMessage(String mimeType, ActionSequenceException exception,
        StringBuffer messageBuffer) {
    if ("text/html".equals(mimeType)) { //$NON-NLS-1$
        String templateFile = null;
        String templatePath = "system/ui/templates/viewActionErrorTemplate.html"; //$NON-NLS-1$
        try {/*from w ww  .jav  a 2s . c  om*/
            byte[] bytes = IOUtils
                    .toByteArray(ActionSequenceResource.getInputStream(templatePath, LocaleHelper.getLocale()));
            templateFile = new String(bytes, LocaleHelper.getSystemEncoding());
        } catch (IOException e) {
            messageBuffer.append(Messages.getInstance()
                    .getErrorString("MessageFormatter.RESPONSE_ERROR_HEADING", templatePath)); //$NON-NLS-1$
            e.printStackTrace();
        }

        // NOTE: StringUtils.replace is used here instead of String.replaceAll because since the latter uses regex,
        // the
        // replacment
        // text can cause exceptions if '$' or other special characters are present. We cannot guarantee that the
        // replacement
        // text does not have these characters, so a non-regex replacer was used.

        // TODO: there is a bit of extraneous String object creation here. If performance becomes an issue, there are
        // more
        // efficient
        // ways of doing mass replacements of text, such as using StringBuilder.replace

        // %ERROR_HEADING%
        templateFile = StringUtils.replace(templateFile, "%ERROR_HEADING%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_ERROR_HEADING")); //$NON-NLS-1$

        // %EXCEPTION_MSG%
        templateFile = StringUtils.replace(templateFile, "%EXCEPTION_MSG%", //$NON-NLS-1$
                StringEscapeUtils.escapeHtml(exception.getMessage() == null ? "" : exception.getMessage())); //$NON-NLS-1$
        templateFile = StringUtils.replace(templateFile, "%EXCEPTION_MSG_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_MSG_LABEL")); //$NON-NLS-1$

        // %EXCEPTION_TIME%
        templateFile = StringUtils.replace(templateFile, "%EXCEPTION_TIME%", //$NON-NLS-1$
                StringEscapeUtils.escapeHtml(dateFormat.format(exception.getDate())));
        templateFile = StringUtils.replace(templateFile, "%EXCEPTION_TIME_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_TIME_LABEL")); //$NON-NLS-1$

        // %EXCEPTION_TYPE%
        templateFile = StringUtils.replace(templateFile, "%EXCEPTION_TYPE%", //$NON-NLS-1$
                StringEscapeUtils.escapeHtml(exception.getClass().getSimpleName()));
        templateFile = StringUtils.replace(templateFile, "%EXCEPTION_TYPE_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_TYPE_LABEL")); //$NON-NLS-1$

        // %SESSION_ID%
        templateFile = StringUtils.replace(templateFile, "%SESSION_ID%", StringEscapeUtils.escapeHtml(exception //$NON-NLS-1$
                .getSessionId() == null ? "" : exception.getSessionId())); //$NON-NLS-1$
        templateFile = StringUtils.replace(templateFile, "%SESSION_ID_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_SESSION_ID_LABEL")); //$NON-NLS-1$

        // %INSTANCE_ID%
        templateFile = StringUtils.replace(templateFile, "%INSTANCE_ID%", StringEscapeUtils.escapeHtml(exception //$NON-NLS-1$
                .getInstanceId() == null ? "" : exception.getInstanceId())); //$NON-NLS-1$
        templateFile = StringUtils.replace(templateFile, "%INSTANCE_ID_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_INSTANCE_ID_LABEL")); //$NON-NLS-1$

        // %ACTION_SEQUENCE%
        templateFile = StringUtils.replace(templateFile, "%ACTION_SEQUENCE%", //$NON-NLS-1$
                StringEscapeUtils.escapeHtml(exception.getActionSequenceName() == null ? "" : exception.getActionSequenceName())); //$NON-NLS-1$
        templateFile = StringUtils.replace(templateFile, "%ACTION_SEQUENCE_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_ACTION_SEQUENCE_LABEL")); //$NON-NLS-1$

        // %ACTION_SEQUENCE_EXECUTION_STACK%
        CharArrayWriter charWriter = new CharArrayWriter();
        PrintWriter printWriter = new PrintWriter(charWriter);
        exception.printActionExecutionStack(printWriter);
        templateFile = StringUtils.replace(templateFile, "%ACTION_SEQUENCE_EXECUTION_STACK%", //$NON-NLS-1$
                StringEscapeUtils.escapeHtml(charWriter.toString()));
        templateFile = StringUtils.replace(templateFile, "%ACTION_SEQUENCE_EXECUTION_STACK_LABEL%", //$NON-NLS-1$
                Messages.getInstance().getString(
                                "MessageFormatter.RESPONSE_EXCEPTION_ACTION_SEQUENCE_EXECUTION_STACK_LABEL")); //$NON-NLS-1$

        // %ACTION_CLASS%
        templateFile = StringUtils.replace(templateFile, "%ACTION_CLASS%", //$NON-NLS-1$
                StringEscapeUtils.escapeHtml(exception.getActionClass() == null ? "" : exception.getActionClass())); //$NON-NLS-1$
        templateFile = StringUtils.replace(templateFile, "%ACTION_CLASS_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_ACTION_CLASS_LABEL")); //$NON-NLS-1$

        // %ACTION_DESC%
        templateFile = StringUtils.replace(templateFile, "%ACTION_DESC%", StringEscapeUtils.escapeHtml(exception //$NON-NLS-1$
                .getStepDescription() == null ? "" : exception.getStepDescription())); //$NON-NLS-1$
        templateFile = StringUtils.replace(templateFile, "%ACTION_DESC_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_ACTION_DESC_LABEL")); //$NON-NLS-1$

        // %STEP_NUM%
        templateFile = StringUtils.replace(templateFile, "%STEP_NUM%", StringEscapeUtils.escapeHtml(exception //$NON-NLS-1$
                .getStepNumber() == null
                        ? Messages.getInstance().getString("MessageFormatter.EXCEPTION_FIELD_NOT_APPLICABLE") //$NON-NLS-1$
                        : exception.getStepNumber().toString()));
        templateFile = StringUtils.replace(templateFile, "%STEP_NUM_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_STEP_NUM_LABEL")); //$NON-NLS-1$

        // %STEP_NUM%
        templateFile = StringUtils.replace(templateFile, "%LOOP_INDEX%", StringEscapeUtils.escapeHtml(exception //$NON-NLS-1$
                .getLoopIndex() == null
                        ? Messages.getInstance().getString("MessageFormatter.EXCEPTION_FIELD_NOT_APPLICABLE") //$NON-NLS-1$
                        : exception.getLoopIndex().toString()));
        templateFile = StringUtils.replace(templateFile, "%LOOP_INDEX_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_LOOP_INDEX_LABEL")); //$NON-NLS-1$

        // %STACK_TRACE%
        charWriter = new CharArrayWriter();
        printWriter = new PrintWriter(charWriter);
        exception.printStackTrace(printWriter);
        templateFile = StringUtils.replace(templateFile, "%STACK_TRACE%", //$NON-NLS-1$
                StringEscapeUtils.escapeHtml(charWriter.toString()));
        templateFile = StringUtils.replace(templateFile, "%STACK_TRACE_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_STACK_TRACE_LABEL")); //$NON-NLS-1$

        // %EXCEPTION_MESSAGES%
        Stack<String> causes = new Stack<String>();
        buildCauses(causes, exception);
        charWriter = new CharArrayWriter();
        printWriter = new PrintWriter(charWriter);
        while (!causes.empty()) {
            printWriter.println(causes.pop());
        }
        templateFile = StringUtils.replace(templateFile, "%EXCEPTION_MESSAGES%", //$NON-NLS-1$
                StringEscapeUtils.escapeHtml(charWriter.toString()));
        templateFile = StringUtils.replace(templateFile, "%EXCEPTION_MESSAGES_LABEL%", Messages.getInstance() //$NON-NLS-1$
                .getString("MessageFormatter.RESPONSE_EXCEPTION_MESSAGES_LABEL")); //$NON-NLS-1$

        // %SERVER_INFO% (if available)
        if (PentahoSystem.getObjectFactory().objectDefined(IVersionHelper.class.getSimpleName())) {
            IVersionHelper versionHelper = PentahoSystem.get(IVersionHelper.class);
            templateFile = StringUtils.replace(templateFile, "%SERVER_INFO%", Messages.getInstance().getString( //$NON-NLS-1$
                    "MessageFormatter.USER_SERVER_VERSION", //$NON-NLS-1$
                    versionHelper.getVersionInformation(PentahoSystem.class)));
        }

        messageBuffer.append(templateFile);
    }
}

From source file:org.apache.catalina.logger.LoggerBase.java

/**
 * Writes an explanatory message and a stack trace for a given
 * <code>Throwable</code> exception to the servlet log file.  The name
 * and type of the servlet log file is specific to the servlet container,
 * usually an event log.  This message will be logged unconditionally.
 *
 * @param msg A <code>String</code> that describes the error or
 *  exception//www  .  j av a2  s .co m
 * @param throwable The <code>Throwable</code> error or exception
 */
public void log(String msg, Throwable throwable) {

    CharArrayWriter buf = new CharArrayWriter();
    PrintWriter writer = new PrintWriter(buf);
    writer.println(msg);
    throwable.printStackTrace(writer);
    Throwable rootCause = null;
    if (throwable instanceof LifecycleException)
        rootCause = ((LifecycleException) throwable).getThrowable();
    else if (throwable instanceof ServletException)
        rootCause = ((ServletException) throwable).getRootCause();
    if (rootCause != null) {
        writer.println("----- Root Cause -----");
        rootCause.printStackTrace(writer);
    }
    log(buf.toString());

}

From source file:jp.co.atware.solr.geta.GETAssocComponent.java

/**
 * GETAssoc??????//from   w  w  w.  ja  v a2  s  .c  o  m
 * 
 * @param params
 * @param queryValue
 * @param queryType
 * @return
 * @throws FactoryConfigurationError
 * @throws IOException
 */
protected String convertRequest(SolrParams params, String queryValue, QueryType queryType)
        throws FactoryConfigurationError, IOException {

    String req;
    try {
        CharArrayWriter output = new CharArrayWriter();
        XMLStreamWriter xml = XMLOutputFactory.newInstance().createXMLStreamWriter(output);
        xml.writeStartDocument();
        xml.writeStartElement("gss");
        if (config.settings.gss3version != null) {
            xml.writeAttribute("version", config.settings.gss3version);
        }
        xml.writeStartElement("assoc");
        String target = params.get(PARAM_TARGET, config.defaults.target);
        if (target != null) {
            xml.writeAttribute("target", target);
        }
        convertRequestWriteStage1Param(xml, params);
        convertRequestWriteStage2Param(xml, params);

        convReqWriteQuery(xml, params, queryValue, queryType);

        xml.writeEndElement();
        xml.writeEndElement();
        xml.writeEndDocument();
        xml.close();
        req = output.toString();
    } catch (XMLStreamException e) {
        throw new IOException(e);
    }
    LOG.debug(req);
    return req;
}

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
 *//* ww  w. ja va 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();
}

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
 *//* w  w w.  ja v a 2s.co 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:grails.plugin.freemarker.TagLibToDirectiveAndFunction.java

@SuppressWarnings("serial")
@Override/*from w w  w  .  j a v a 2  s.c om*/
public Object exec(@SuppressWarnings("rawtypes") List arguments) throws TemplateModelException {
    if (log.isDebugEnabled()) {
        log.debug("exec(): @" + namespace + "." + tagName);
    }
    try {
        CharArrayWriter writer = new CharArrayWriter();
        tagInstance.invokeMethod("pushOut", writer);

        Object args = null;
        Object body = null;
        if (arguments != null) {
            if (arguments.size() > 0) {
                args = arguments.get(0);
            }
            if (arguments.size() > 1) {
                body = arguments.get(1);
            }
        }

        Object result = null;
        args = args != null ? unwrapParams((TemplateHashModelEx) args, true)
                : unwrapParams(Collections.EMPTY_MAP, true);

        if (tagInstance.getMaximumNumberOfParameters() == 1) {
            result = tagInstance.call(args);
        } else {
            Closure bodyClosure = EMPTY_BODY;

            if (body != null || hasReturnValue) {
                final Object fBody = body;
                bodyClosure = new Closure(this) {
                    @SuppressWarnings("unused")
                    public Object doCall(Object it) throws IOException, TemplateException {
                        return fBody;
                    }
                };
            }

            result = tagInstance.call(new Object[] { args, bodyClosure });
            if (result == null) {
                // writer.flush();
                result = writer.toString();
            }
        }

        return result;
    } catch (RuntimeException e) {
        throw new TemplateModelException(e);
    } finally {
        tagInstance.invokeMethod("popOut", null);
    }
}

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
 *//*from ww w .  j  a v  a  2  s  .  co 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();
}

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./*  w ww. j  a  va  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);
    }
}