Example usage for java.io Writer toString

Introduction

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

Prototype

public String toString() 

Source Link

Document

Returns a string representation of the object.

Usage

From source file:org.datavec.api.transform.ui.HtmlSequencePlotting.java

/**
 * Create a HTML file with plots for the given sequence.
 *
 * @param title    Title of the page//from w ww . j  a v a  2  s  . c o  m
 * @param schema   Schema for the data
 * @param sequence Sequence to plot
 * @return HTML file as a string
 */
public static String createHtmlSequencePlots(String title, Schema schema, List<List<Writable>> sequence)
        throws Exception {
    Configuration cfg = new Configuration(new Version(2, 3, 23));

    // Where do we load the templates from:
    cfg.setClassForTemplateLoading(HtmlSequencePlotting.class, "/templates/");

    // Some other recommended settings:
    cfg.setIncompatibleImprovements(new Version(2, 3, 23));
    cfg.setDefaultEncoding("UTF-8");
    cfg.setLocale(Locale.US);
    cfg.setTemplateExceptionHandler(TemplateExceptionHandler.RETHROW_HANDLER);

    Map<String, Object> input = new HashMap<>();
    input.put("pagetitle", title);

    ObjectMapper ret = new ObjectMapper();
    ret.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    ret.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
    ret.configure(MapperFeature.SORT_PROPERTIES_ALPHABETICALLY, true);
    ret.enable(SerializationFeature.INDENT_OUTPUT);

    List<DivObject> divs = new ArrayList<>();
    List<String> divNames = new ArrayList<>();

    //First: create table for schema
    int n = schema.numColumns();
    String[][] table = new String[n / 2 + n % 2][6]; //Number, name, type; 2 columns

    List<ColumnMetaData> meta = schema.getColumnMetaData();
    for (int i = 0; i < meta.size(); i++) {
        int o = i % 2;
        table[i / 2][o * 3] = String.valueOf(i);
        table[i / 2][o * 3 + 1] = meta.get(i).getName();
        table[i / 2][o * 3 + 2] = meta.get(i).getColumnType().toString();
    }

    for (int i = 0; i < table.length; i++) {
        for (int j = 0; j < table[i].length; j++) {
            if (table[i][j] == null) {
                table[i][j] = "";
            }
        }
    }

    RenderableComponentTable rct = new RenderableComponentTable.Builder().table(table)
            .header("#", "Name", "Type", "#", "Name", "Type").backgroundColor("#FFFFFF").headerColor("#CCCCCC")
            .colWidthsPercent(8, 30, 12, 8, 30, 12).border(1).padLeftPx(4).padRightPx(4).build();
    divs.add(new DivObject("tablesource", ret.writeValueAsString(rct)));

    //Create the plots
    double[] x = new double[sequence.size()];
    for (int i = 0; i < x.length; i++) {
        x[i] = i;
    }

    for (int i = 0; i < n; i++) {
        double[] lineData;
        switch (meta.get(i).getColumnType()) {
        case Integer:
        case Long:
        case Double:
        case Float:
        case Time:
            lineData = new double[sequence.size()];
            for (int j = 0; j < lineData.length; j++) {
                lineData[j] = sequence.get(j).get(i).toDouble();
            }
            break;
        case Categorical:
            //This is a quick-and-dirty way to plot categorical variables as a line chart
            List<String> stateNames = ((CategoricalMetaData) meta.get(i)).getStateNames();
            lineData = new double[sequence.size()];
            for (int j = 0; j < lineData.length; j++) {
                String state = sequence.get(j).get(i).toString();
                int idx = stateNames.indexOf(state);
                lineData[j] = idx;
            }
            break;
        case Bytes:
        case String:
        case Boolean:
        default:
            //Skip
            continue;
        }

        String name = meta.get(i).getName();

        String chartTitle = "Column: \"" + name + "\" - Column Type: " + meta.get(i).getColumnType();
        if (meta.get(i).getColumnType() == ColumnType.Categorical) {
            List<String> stateNames = ((CategoricalMetaData) meta.get(i)).getStateNames();
            StringBuilder sb = new StringBuilder(chartTitle);
            sb.append(" - (");
            for (int j = 0; j < stateNames.size(); j++) {
                if (j > 0) {
                    sb.append(", ");
                }
                sb.append(j).append("=").append(stateNames.get(j));
            }
            sb.append(")");
            chartTitle = sb.toString();
        }

        RenderableComponentLineChart lc = new RenderableComponentLineChart.Builder().title(chartTitle)
                .addSeries(name, x, lineData).build();

        String divname = "plot_" + i;

        divs.add(new DivObject(divname, ret.writeValueAsString(lc)));
        divNames.add(divname);
    }

    input.put("divs", divs);
    input.put("divnames", divNames);

    //Current date/time, UTC
    DateTimeFormatter formatter = DateTimeFormat.forPattern("YYYY-MM-dd HH:mm:ss zzz")
            .withZone(DateTimeZone.UTC);
    long currTime = System.currentTimeMillis();
    String dateTime = formatter.print(currTime);
    input.put("datetime", dateTime);

    Template template = cfg.getTemplate("sequenceplot.ftl");

    //Process template to String
    Writer stringWriter = new StringWriter();
    template.process(input, stringWriter);

    return stringWriter.toString();
}

---

From source file:Main.java

static public String convertStreamToString(InputStream is) throws IOException {
    if (is != null) {
        Writer writer = new StringWriter();
        char[] buffer = new char[1024];
        try {/*from w w w.  j  av  a  2 s.  c  o  m*/
            Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } finally {
            is.close();
        }
        return writer.toString();
    } else {
        return "";
    }
}

---

From source file:Main.java

public static String streamToString(InputStream is) throws IOException {
    if (is != null) {
        Writer writer = new StringWriter();

        char[] buffer = new char[1024];
        try {//from   ww  w .  j  av a 2 s. c  o m
            Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } finally {
            is.close();
        }
        return writer.toString();
    } else {
        return "";
    }
}

---

From source file:ca.mudar.parkcatcher.io.LocalExecutor.java

/**
 * Loads the JSON text resource with the given ID and returns the JSON
 * content.//from w w  w .  j av  a 2  s.  c  o m
 */
public static String loadResourceJson(Context context, int resource) throws IOException {
    InputStream is = context.getResources().openRawResource(resource);
    Writer writer = new StringWriter();
    char[] buffer = new char[1024];
    try {
        Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }
    } finally {
        is.close();
    }

    return writer.toString();
}

---

From source file:com.sinet.gage.dlap.utils.XMLUtils.java

/**
 * @param String/*from www  . j a  v  a 2 s. com*/
 * @param String
 * @return String
 */
public static String parseXML(String xml, String rootElementName) {
    try {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setValidating(false);
        DocumentBuilder db;
        db = dbf.newDocumentBuilder();
        Document newDoc = db.parse(new ByteArrayInputStream(xml.getBytes()));

        Element element = (Element) newDoc.getElementsByTagName(rootElementName).item(0);
        // Imports a node from another document to this document,
        // without altering
        Document newDoc2 = db.newDocument();
        // or removing the source node from the original document
        Node copiedNode = newDoc2.importNode(element, true);
        // Adds the node to the end of the list of children of this node
        newDoc2.appendChild(copiedNode);

        Transformer tf = TransformerFactory.newInstance().newTransformer();
        tf.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
        tf.setOutputProperty(OutputKeys.INDENT, "yes");

        Writer out = new StringWriter();

        tf.transform(new DOMSource(newDoc2), new StreamResult(out));

        return out.toString();
    } catch (TransformerException | ParserConfigurationException | SAXException | IOException e) {
        LOGGER.error("Exception in parsing xml from response: ", e);
    }
    return "";
}

---

From source file:org.carewebframework.ui.test.CommonTest.java

/**
 * Reads text from the specified resource on the classpath.
 * //from w  w w.  j  a  v a2 s.com
 * @param resourceName Name of the resource.
 * @return Text read from the resource.
 * @throws IOException IO exception.
 */
public static String getTextFromResource(String resourceName) throws IOException {
    Resource resource = desktopContext.getResource("classpath:" + resourceName);
    InputStream is = resource.getInputStream();
    Writer writer = new StringWriter();
    char[] buffer = new char[1024];

    try {
        Reader reader = new BufferedReader(new InputStreamReader(is, StrUtil.CHARSET));
        int n;
        while ((n = reader.read(buffer)) != -1) {
            writer.write(buffer, 0, n);
        }
    } finally {
        is.close();
    }
    return writer.toString();
}

---

From source file:Main.java

public static String convertStreamToString(InputStream inputStream) throws IOException {
    if (inputStream != null) {
        Writer writer = new StringWriter();

        char[] buffer = new char[1024];
        try {//from ww w. j a  v  a2 s .  c  o m
            Reader reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"), 1024);
            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }
        } finally {
            inputStream.close();
        }
        return writer.toString();
    } else {
        return "";
    }
}

---

From source file:org.noerp.webtools.print.FoPrintServerEvents.java

public static byte[] getXslFo(DispatchContext dctx, String screen, Map<String, Object> parameters)
        throws GeneralException {
    // run as the system user
    GenericValue system = null;//from   www  .j a  va2 s.  co m
    try {
        system = dctx.getDelegator().findOne("UserLogin", false, "userLoginId", "system");
    } catch (GenericEntityException e) {
        throw new GeneralException(e.getMessage(), e);
    }
    parameters.put("userLogin", system);
    if (!parameters.containsKey("locale")) {
        parameters.put("locale", Locale.getDefault());
    }

    // render and obtain the XSL-FO
    Writer writer = new StringWriter();
    try {
        ScreenRenderer screens = new ScreenRenderer(writer, null, htmlScreenRenderer);
        screens.populateContextForService(dctx, parameters);
        screens.render(screen);
    } catch (Throwable t) {
        throw new GeneralException("Problems rendering FOP XSL-FO", t);
    }
    return writer.toString().getBytes();
}

---

From source file:com.swordlord.gozer.file.GozerFileLoader.java

public static String convertInputStreamToString(InputStream is) {
    String strReturn = "";

    if (is != null) {
        Writer writer = new StringWriter();

        char[] buffer = new char[1024];
        try {/*from  w  w  w. ja v  a  2  s  .  co m*/
            Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));

            int n;
            while ((n = reader.read(buffer)) != -1) {
                writer.write(buffer, 0, n);
            }

            reader.close();
            strReturn = writer.toString();
            writer.close();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {

        }
    }

    return strReturn;
}

---

From source file:gov.nih.nci.cacisweb.util.CaCISUtil.java

/**
 * Return the string equivalent of the stack trace
 * //from ww  w.  j  a  v a 2s. c o m
 * @param arg0
 * @return
 */
public static String getStackTrace(Throwable arg0) {
    final Writer result = new StringWriter();
    final PrintWriter printWriter = new PrintWriter(result);
    arg0.printStackTrace(printWriter);
    return result.toString();
}

---

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