Example usage for java.io StringReader StringReader

List of usage examples for java.io StringReader StringReader

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Introduction

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

Prototype

public StringReader(String s)

Source Link

Document

Creates a new string reader.

Usage

From source file:Main.java

/**
 * @param xmlString/*from   w w  w.  j  ava  2s . co m*/
 * @return
 * @throws IOException
 * @throws SAXException
 * @throws ParserConfigurationException
 */
public synchronized static Document parse(String xmlString)
        throws IOException, SAXException, ParserConfigurationException {
    StringReader reader = new StringReader(xmlString);
    InputSource inputSource = new InputSource(reader);
    return getDocumentBuilder().parse(inputSource);
}

From source file:Main.java

public static Document StringToXML(String xmlString) {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

    DocumentBuilder builder = null;
    Document document = null;//w w  w. j a  v  a2  s .  c o  m
    try {
        builder = factory.newDocumentBuilder();
    } catch (ParserConfigurationException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    try {
        document = builder.parse(new InputSource(new StringReader(xmlString)));
    } catch (SAXException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    return document;
}

From source file:Main.java

public static String prettyPrintXML(String source) {
    try {/* w w w .j  a va 2s . co  m*/
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        TransformerFactory tff = TransformerFactory.newInstance();
        Transformer tf;
        tf = tff.newTransformer();
        tf.setOutputProperty(OutputKeys.INDENT, "yes");
        tf.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
        StreamResult result = new StreamResult(baos);
        tf.transform(new StreamSource(new StringReader(source)), result);
        return new String(baos.toByteArray());
    } catch (Exception e) {
        return source;
    }
}

From source file:Utils.java

public static String toHtml(String string) {
    if (StringUtils.isNullOrEmpty(string))
        return "<html><body></body></html>";

    BufferedReader st = new BufferedReader(new StringReader(string));
    StringBuffer buf = new StringBuffer("<html><body>");

    try {//from  w  w  w. ja  v a  2 s. c  o m
        String str = st.readLine();

        while (str != null) {
            if (str.equalsIgnoreCase("<br/>")) {
                str = "<br>";
            }

            buf.append(str);

            if (!str.equalsIgnoreCase("<br>")) {
                buf.append("<br>");
            }

            str = st.readLine();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }

    buf.append("</body></html>");
    string = buf.toString();
    return string;
}

From source file:Main.java

/**
 * Pretty format a given XML document/*from   w  ww.  j  a v a2 s .  co m*/
 *
 * @param strInput
 *            Valid XML document (No validity check yet!)
 * @param nIndent
 *            Indent
 * @return Formatted XML document
 * @throws Exception
 *             in error case
 */
public static String prettyFormat(String strInput, int nIndent) throws Exception {
    try {
        Source xmlInput = new StreamSource(new StringReader(strInput));
        StringWriter stringWriter = new StringWriter();
        StreamResult xmlOutput = new StreamResult(stringWriter);
        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        transformerFactory.setAttribute("indent-number", nIndent);
        Transformer transformer = transformerFactory.newTransformer();
        transformer.setOutputProperty(OutputKeys.INDENT, "yes");
        transformer.setOutputProperty(OutputKeys.METHOD, "xml");
        transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", String.valueOf(nIndent));
        transformer.transform(xmlInput, xmlOutput);
        return xmlOutput.getWriter().toString();
    } catch (Exception e) {
        //            Logger.XMLEval.logState("Pretty formatting: " + e.getMessage(), LogLevel.Error);
        throw e;
    }
}

From source file:Main.java

public static Document doc(String xml) {
    DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder documentBuilder = null;
    try {//from  w  w w . j a  v a 2 s .  c  om
        documentBuilder = documentBuilderFactory.newDocumentBuilder();
    } catch (ParserConfigurationException e) {
        throw new RuntimeException(e);
    }
    Document doc = null;
    try {
        doc = documentBuilder.parse(new InputSource(new StringReader(xml)));
    } catch (SAXException e) {
        throw new RuntimeException(e);
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
    return doc;
}

From source file:com.atomiton.watermanagement.ngo.util.WaterMgmtNGOUtility.java

public static String getXMLElementValue(String tagName, String xmlString) {
    try {/*from   w  ww  .  j  a v  a  2s  . c  o m*/
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = factory.newDocumentBuilder();
        Document document = builder.parse(new InputSource(new StringReader(xmlString)));
        Element rootElement = document.getDocumentElement();
        String rootElementTagName = rootElement.getTagName();
        if (rootElementTagName.equalsIgnoreCase(tagName)) {
            return rootElement.getTextContent();
        } else {
            NodeList list = rootElement.getElementsByTagName(tagName);
            if (list != null && list.getLength() > 0) {
                NodeList subList = list.item(0).getChildNodes();
                if (subList != null && subList.getLength() > 0) {
                    return subList.item(0).getNodeValue();
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

/**
 * Helper program: Transforms a String to a XML Document.
 *
 * @param InputXMLString the input xml string
 * @return parsed document/* ww w .  j a v a  2  s .  co  m*/
 * @throws javax.xml.parsers.ParserConfigurationException the parser configuration exception
 * @throws java.io.IOException                            Signals that an I/O exception has occurred.
 */
public static Document String2Doc(String InputXMLString) {
    try {
        DocumentBuilder builder = getDocumentBuilder();
        InputSource is = new InputSource(new StringReader(InputXMLString));
        is.setEncoding("UTF-8");
        return builder.parse(is);
    } catch (Exception e) {
        System.out.println("cannot parse following content\\n\\n" + InputXMLString);
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static Document toDocument(String xml, boolean namespaceAware, boolean ignoreDtd) throws Exception {
    Reader input = new StringReader(xml);
    InputSource is = new InputSource(input);
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(namespaceAware);

    // ignore dtd files
    if (ignoreDtd) {
        dbf.setValidating(false);//from w  w w. j a v a  2  s .  c  o m
        dbf.setFeature("http://xml.org/sax/features/namespaces", false);
        dbf.setFeature("http://xml.org/sax/features/validation", false);
        dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
        dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
    }

    DocumentBuilder db = dbf.newDocumentBuilder();
    db.setErrorHandler(new ErrorHandler() {
        public void warning(SAXParseException exception) throws SAXException {
            throw exception;

        }

        public void fatalError(SAXParseException exception) throws SAXException {
            throw exception;
        }

        public void error(SAXParseException exception) throws SAXException {
            throw exception;
        }
    });
    return db.parse(is);
}

From source file:Main.java

/**
 * Takes a single line command as a string and breaks it up in tokens
 * acceptable for the java.lang.ProcessBuilder.ProcessBuilder
 * @param command Complete command as a single string
 * @return Array of strings that are acceptable tokens for ProcessBuilder
 * @throws Exception //from  w  ww .  java 2 s .  com
 */
static public List<String> breakUpCommand(String command) throws Exception {
    try {
        List<String> commandTokens = new Vector<String>();

        StringBuilder currentToken = null;
        boolean isTokenQuoted = false;
        StringReader sr = new StringReader(command);
        int b = sr.read();
        while (b >= 0) {
            char c = (char) b;

            if (null == currentToken) {
                // At token is not in progress

                // Skipping spaces
                if (' ' == c || '\t' == c) {

                } else if ('"' == c) {
                    // Starting a quoted token
                    currentToken = new StringBuilder();
                    //currentToken.append(c);
                    isTokenQuoted = true;
                } else {
                    // Starting a non-quoted token
                    currentToken = new StringBuilder();
                    currentToken.append(c);
                    isTokenQuoted = false;
                }

            } else if (isTokenQuoted) {
                // A quoted token is in progress. It ends with a quote
                if ('"' == c) {
                    //currentToken.append(c);
                    String token = currentToken.toString();
                    currentToken = null;
                    commandTokens.add(token);

                } else {
                    // Continuation
                    currentToken.append(c);
                }

            } else {
                // A non-quoted token is in progress. It ends with a space
                if (' ' == c || '\t' == c) {
                    String token = currentToken.toString();
                    currentToken = null;
                    commandTokens.add(token);

                } else {
                    // Continuation
                    currentToken.append(c);
                }
            }

            b = sr.read();
        }

        if (null != currentToken) {
            String token = currentToken.toString();
            commandTokens.add(token);
        }

        return commandTokens;

    } catch (IOException e) {
        throw new Exception("Error while breaking up command into tokens: " + command, e);
    }
}