Example usage for java.io StringReader close

List of usage examples for java.io StringReader close

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Introduction

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

Prototype

public void close()

Source Link

Document

Closes the stream and releases any system resources associated with it.

Usage

From source file:edu.unc.lib.dl.services.TripleStoreManagerMulgaraImpl.java

/**
 * @param query//from   w  w w  .ja  v a2s.  c o  m
 *           an ITQL command
 * @return the message returned by Mulgara
 * @throws RemoteException
 *            for communication failure
 */
public String storeCommand(String query) {
    String result = null;
    String response = this.sendTQL(query);
    if (response != null) {
        StringReader sr = new StringReader(response);
        XMLInputFactory factory = XMLInputFactory.newInstance();
        factory.setProperty(XMLInputFactory.IS_COALESCING, Boolean.TRUE);
        XMLEventReader r = null;
        try {
            boolean inMessage = false;
            StringBuffer message = new StringBuffer();
            r = factory.createXMLEventReader(sr);
            while (r.hasNext()) {
                XMLEvent e = r.nextEvent();
                if (e.isStartElement()) {
                    StartElement s = e.asStartElement();
                    if ("message".equals(s.getName().getLocalPart())) {
                        inMessage = true;
                    }
                } else if (e.isEndElement()) {
                    EndElement end = e.asEndElement();
                    if ("message".equals(end.getName().getLocalPart())) {
                        inMessage = false;
                    }
                } else if (inMessage && e.isCharacters()) {
                    message.append(e.asCharacters().getData());
                }
            }
            result = message.toString();
        } catch (XMLStreamException e) {
            e.printStackTrace();
        } finally {
            if (r != null) {
                try {
                    r.close();
                } catch (Exception ignored) {
                    log.error(ignored);
                }
            }

        }
        sr.close();
    }
    return result;
}

From source file:org.apache.geronimo.console.databasemanager.wizard.DatabasePoolPortlet.java

private ResourceAdapterParams loadConfigPropertiesByAbstractName(PortletRequest request, String rarPath,
        String abstractName) {//from   w  w w.ja  va 2s  .  c o m
    ResourceAdapterModule module = (ResourceAdapterModule) PortletManager.getManagedBean(request,
            new AbstractName(URI.create(abstractName)));
    String dd = module.getDeploymentDescriptor();
    DocumentBuilderFactory factory = XmlUtil.newDocumentBuilderFactory();
    factory.setValidating(false);
    factory.setNamespaceAware(true);
    try {
        DocumentBuilder builder = factory.newDocumentBuilder();
        final StringReader reader = new StringReader(dd);
        Document doc = builder.parse(new InputSource(reader));
        reader.close();
        Element elem = doc.getDocumentElement(); // connector
        String displayName = getFirstText(elem.getElementsByTagName("display-name"));
        String description = getFirstText(elem.getElementsByTagName("description"));
        elem = (Element) elem.getElementsByTagName("resourceadapter").item(0);
        elem = (Element) elem.getElementsByTagName("outbound-resourceadapter").item(0);
        NodeList defs = elem.getElementsByTagName("connection-definition");
        List<ConfigParam> all = new ArrayList<ConfigParam>();
        for (int i = 0; i < defs.getLength(); i++) {
            final Element def = (Element) defs.item(i);
            String iface = getFirstText(def.getElementsByTagName("connectionfactory-interface")).trim();
            if (iface.equals("javax.sql.DataSource")) {
                NodeList configs = def.getElementsByTagName("config-property");
                for (int j = 0; j < configs.getLength(); j++) {
                    Element config = (Element) configs.item(j);
                    String name = getFirstText(config.getElementsByTagName("config-property-name")).trim();
                    String type = getFirstText(config.getElementsByTagName("config-property-type")).trim();
                    String test = getFirstText(config.getElementsByTagName("config-property-value"));
                    String value = test == null ? null : test.trim();
                    test = getFirstText(config.getElementsByTagName("description"));
                    String desc = test == null ? null : test.trim();
                    all.add(new ConfigParam(name, type, desc, value));
                }
            }
        }
        return new ResourceAdapterParams(displayName, description, rarPath,
                all.toArray(new ConfigParam[all.size()]));
    } catch (Exception e) {
        log.error("Unable to read resource adapter DD", e);
        return null;
    }
}

From source file:org.jamwiki.db.CacheQueryHandler.java

/**
 *
 *//*  w ww .  j av  a 2 s.  c  om*/
@Override
public void insertTopicVersions(List<TopicVersion> topicVersions) {
    Connection conn = null;
    PreparedStatement stmt = null;
    ResultSet rs = null;
    boolean useBatch = (topicVersions.size() > 1);
    try {
        conn = DatabaseConnection.getConnection();
        if (!this.autoIncrementPrimaryKeys()) {
            stmt = conn.prepareStatement(STATEMENT_INSERT_TOPIC_VERSION);
        } else if (useBatch) {
            // generated keys don't work in batch mode
            stmt = conn.prepareStatement(STATEMENT_INSERT_TOPIC_VERSION_AUTO_INCREMENT);
        } else {
            stmt = conn.prepareStatement(STATEMENT_INSERT_TOPIC_VERSION_AUTO_INCREMENT,
                    Statement.RETURN_GENERATED_KEYS);
        }
        int topicVersionId = -1;
        if (!this.autoIncrementPrimaryKeys() || useBatch) {
            // manually retrieve next topic version id when using batch
            // mode or when the database doesn't support generated keys.
            topicVersionId = DatabaseConnection.executeSequenceQuery(STATEMENT_SELECT_TOPIC_VERSION_SEQUENCE);
        }
        for (TopicVersion topicVersion : topicVersions) {
            if (!this.autoIncrementPrimaryKeys() || useBatch) {
                // FIXME - if two threads update the database simultaneously then
                // it is possible that this code could set the topic version ID
                // to a value that is different from what the database ends up
                // using.
                topicVersion.setTopicVersionId(topicVersionId++);
            }
            StringReader sr = null;
            try {
                int index = 1;
                stmt.setInt(index++, topicVersion.getTopicVersionId());
                if (topicVersion.getEditDate() == null) {
                    topicVersion.setEditDate(new Timestamp(System.currentTimeMillis()));
                }
                stmt.setInt(index++, topicVersion.getTopicId());
                stmt.setString(index++, topicVersion.getEditComment());
                //pass the content into a stream to be passed to Cach
                sr = new StringReader(topicVersion.getVersionContent());
                stmt.setCharacterStream(index++, sr, topicVersion.getVersionContent().length());
                if (topicVersion.getAuthorId() == null) {
                    stmt.setNull(index++, Types.INTEGER);
                } else {
                    stmt.setInt(index++, topicVersion.getAuthorId());
                }
                stmt.setInt(index++, topicVersion.getEditType());
                stmt.setString(index++, topicVersion.getAuthorDisplay());
                stmt.setTimestamp(index++, topicVersion.getEditDate());
                if (topicVersion.getPreviousTopicVersionId() == null) {
                    stmt.setNull(index++, Types.INTEGER);
                } else {
                    stmt.setInt(index++, topicVersion.getPreviousTopicVersionId());
                }
                stmt.setInt(index++, topicVersion.getCharactersChanged());
                stmt.setString(index++, topicVersion.getVersionParamString());
            } finally {
                if (sr != null) {
                    sr.close();
                }
            }
            if (useBatch) {
                stmt.addBatch();
            } else {
                stmt.executeUpdate();
            }
            if (this.autoIncrementPrimaryKeys() && !useBatch) {
                rs = stmt.getGeneratedKeys();
                if (!rs.next()) {
                    throw new SQLException("Unable to determine auto-generated ID for database record");
                }
                topicVersion.setTopicVersionId(rs.getInt(1));
            }
        }
        if (useBatch) {
            stmt.executeBatch();
        }
    } catch (SQLException e) {
        throw new UncategorizedSQLException("insertTopicVersions", null, e);
    } finally {
        DatabaseConnection.closeConnection(conn, stmt, rs);
    }
}

From source file:org.pentaho.big.data.kettle.plugins.sqoop.SqoopUtils.java

/**
 * Parse a string into arguments as if it were provided on the command line.
 *
 * @param commandLineString//w w  w. jav  a2s . c  o m
 *          A command line string, e.g. "sqoop import --table test --connect jdbc:mysql://bogus/bogus"
 * @param variableSpace
 *          Context for resolving variable names. If {@code null}, no variable resolution we happen.
 * @param ignoreSqoopCommand
 *          If set, the first "sqoop <tool>" arguments will be ignored, e.g. "sqoop import" or "sqoop export".
 * @return List of parsed arguments
 * @throws IOException
 *           when the command line could not be parsed
 */
public static List<String> parseCommandLine(String commandLineString, VariableSpace variableSpace,
        boolean ignoreSqoopCommand) throws IOException {
    List<String> args = new ArrayList<String>();
    StringReader reader = new StringReader(commandLineString);
    try {
        StreamTokenizer tokenizer = new StreamTokenizer(reader);
        // Treat a dash as an ordinary character so it gets included in the token
        tokenizer.ordinaryChar('-');
        tokenizer.ordinaryChar('.');
        tokenizer.ordinaryChars('0', '9');
        // Treat all characters as word characters so nothing is parsed out
        tokenizer.wordChars('\u0000', '\uFFFF');

        // Re-add whitespace characters
        tokenizer.whitespaceChars(0, ' ');

        // Use " and ' as quote characters
        tokenizer.quoteChar('"');
        tokenizer.quoteChar('\'');

        // Flag to indicate if the next token needs to be skipped (used to control skipping of the first two arguments,
        // e.g. "sqoop <tool>")
        boolean skipToken = false;
        // Add all non-null string values tokenized from the string to the argument list
        while (tokenizer.nextToken() != StreamTokenizer.TT_EOF) {
            if (tokenizer.sval != null) {
                String s = tokenizer.sval;
                if (variableSpace != null) {
                    s = variableSpace.environmentSubstitute(s);
                }
                if (ignoreSqoopCommand && args.isEmpty()) {
                    // If we encounter "sqoop <name>" we should skip the first two arguments so we can support copy/paste of
                    // arguments directly
                    // from a working command line
                    if ("sqoop".equals(s)) {
                        skipToken = true;
                        continue; // skip this one and the next
                    } else if (skipToken) {
                        ignoreSqoopCommand = false; // Don't attempt to ignore any more commands
                        // Skip this token too, reset the flag so we no longer skip any tokens, and continue parsing
                        skipToken = false;
                        continue;
                    }
                }

                if (s.startsWith(ARG_D)) {
                    handleCustomOption(args, s, tokenizer, variableSpace);
                    continue;
                }
                args.add(escapeEscapeSequences(s));
            }
        }
    } finally {
        reader.close();
    }
    return args;
}

From source file:jp.terasoluna.fw.web.taglib.StringFormatterTagBase.java

/**
 * ^O]Jn?\bh?B/*  w w w . ja v a 2s  .c  om*/
 *
 * @return ???w
 * @throws JspException ^O]G?[
 */
@Override
public int doStartTag() throws JspException {

    Object value = this.value;
    if (value == null) {
        // bean???Av?beanbNAbv
        // ???A^?[
        if (ignore) {
            if (TagUtil.lookup(pageContext, name, scope) == null) {
                return SKIP_BODY; // ?o
            }
        }

        // v?v?peBlbNAbv
        value = TagUtil.lookup(pageContext, name, property, scope);
        if (value == null) {
            return SKIP_BODY; // ?o
        }
    }

    // tH?[}bg
    String output = doFormat(value.toString());

    if (id != null) {
        // idw?AXNveBO?p
        // y?[WXR?[vZbg?B
        pageContext.setAttribute(id, output);
    } else {
        // idw?Av?peBlC^vg
        // ?BK?tB^?B
        if (filter) {
            output = TagUtil.filter(output);
        }

        // pXy?[X&nbsp;u
        StringReader sr = null;
        BufferedReader br = null;
        String line = null;
        try {
            sr = new StringReader(output);
            br = new BufferedReader(sr);
            StringBuilder sbuf = new StringBuilder();
            StringBuilder strBuf = new StringBuilder();
            int index = 0;
            while ((line = br.readLine()) != null) {
                // pXy?[X&nbsp;u
                if (replaceSpToNbsp && !"".equals(line)) {
                    strBuf.setLength(0);
                    char ch = line.charAt(0);
                    int i = 0;
                    for (i = 0; i < line.length(); i++) {
                        ch = line.charAt(i);
                        // pXy?[X???A"&nbsp;"?B
                        if (ch == ' ') {
                            strBuf.append("&nbsp;");
                        } else {
                            strBuf.append(ch);
                        }
                    }
                    line = strBuf.toString();
                }
                sbuf.append(line);
                ++index;
            }
            output = sbuf.toString();
        } catch (IOException e) {
            if (log.isWarnEnabled()) {
                log.warn("StringReader IO error : " + e);
            }
        } finally {
            if (sr != null) {
                sr.close();
            }
            try {
                if (br != null) {
                    br.close();
                }
            } catch (IOException e1) {
                if (log.isWarnEnabled()) {
                    log.warn("StringReader close error : " + e1);
                }
            }
        }

        TagUtil.write(pageContext, output);
    }

    return SKIP_BODY;
}

From source file:edu.unc.lib.dl.util.TripleStoreQueryServiceMulgaraImpl.java

private List<Element> getQuerySolutions(String response) {
    List<Element> result = null;
    Document r = null;/*w  w w  .  j  av  a  2 s. co  m*/
    StringReader sr = null;
    try {
        sr = new StringReader(response);
        r = new SAXBuilder().build(sr);
        result = r.getRootElement().getChild("query", JDOMNamespaceUtil.MULGARA_TQL_NS).getChildren("solution",
                JDOMNamespaceUtil.MULGARA_TQL_NS);
        return result;
    } catch (IOException e) {
        log.error(response);
        throw new RuntimeException("IOException reading Mulgara answer string.", e);
    } catch (JDOMException e) {
        log.error(response);
        throw new RuntimeException("Unexpected error parsing Mulgara answer.", e);
    } finally {
        if (sr != null) {
            sr.close();
        }
    }
}

From source file:JiraWebClient.java

protected void handleErrorMessage(HttpMethodBase method) throws JiraException {
    try {//  www .  ja  v a  2 s  . c  o  m
        String response = method.getResponseBodyAsString();
        // TODO consider logging the error

        if (method.getStatusCode() == HttpStatus.SC_SERVICE_UNAVAILABLE) {
            throw new JiraRemoteException("JIRA system error", null); //$NON-NLS-1$
        }

        if (response == null) {
            throw new JiraRemoteMessageException("Error making JIRA request: " + method.getStatusCode(), ""); //$NON-NLS-1$ //$NON-NLS-2$
        }

        StringReader reader = new StringReader(response);
        try {
            StringBuilder msg = new StringBuilder();
            HtmlStreamTokenizer tokenizer = new HtmlStreamTokenizer(reader, null);
            for (Token token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer
                    .nextToken()) {
                if (token.getType() == Token.TAG) {
                    HtmlTag tag = (HtmlTag) token.getValue();

                    String classValue = tag.getAttribute("class"); //$NON-NLS-1$
                    if (classValue != null) {
                        if (tag.getTagType() == Tag.DIV) {
                            if (classValue.startsWith("infoBox") || classValue.startsWith("errorArea") //$NON-NLS-1$ //$NON-NLS-2$
                                    || classValue.contains("error")) { //$NON-NLS-1$
                                throw new JiraRemoteMessageException(getContent(tokenizer, Tag.DIV));
                            }
                        } else if (tag.getTagType() == Tag.SPAN) {
                            if (classValue.startsWith("errMsg")) { //$NON-NLS-1$
                                msg.append(getContent(tokenizer, Tag.SPAN));
                            }
                        }
                    }
                }
            }
            if (msg.length() == 0) {
                throw new JiraRemoteMessageException(response);
            } else {
                throw new JiraRemoteMessageException(msg.toString());
            }
        } catch (ParseException e) {
            throw new JiraRemoteMessageException("Error parsing JIRA response: " + method.getStatusCode(), ""); //$NON-NLS-1$ //$NON-NLS-2$
        } finally {
            reader.close();
        }
    } catch (IOException e) {
        throw new JiraException(e);
    }
}

From source file:org.eclipse.mylyn.internal.jira.core.service.web.JiraWebClient.java

protected void handleErrorMessage(HttpMethodBase method) throws JiraException {
    try {/* www .j a  va  2 s .c  o m*/
        String response = method.getResponseBodyAsString();
        // TODO consider logging the error

        if (method.getStatusCode() == HttpStatus.SC_SERVICE_UNAVAILABLE) {
            throw new JiraRemoteException("JIRA system error", null); //$NON-NLS-1$
        }

        if (response == null) {
            throw new JiraRemoteMessageException("Error making JIRA request: " + method.getStatusCode(), ""); //$NON-NLS-1$ //$NON-NLS-2$
        }

        StringReader reader = new StringReader(response);
        try {
            StringBuilder msg = new StringBuilder();
            HtmlStreamTokenizer tokenizer = new HtmlStreamTokenizer(reader, null);
            for (Token token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer
                    .nextToken()) {
                if (token.getType() == Token.TAG) {
                    HtmlTag tag = (HtmlTag) token.getValue();

                    String classValue = tag.getAttribute("class"); //$NON-NLS-1$
                    if (classValue != null) {
                        if (tag.getTagType() == Tag.DIV) {
                            if (classValue.startsWith("infoBox")) { //$NON-NLS-1$
                                throw new JiraRemoteMessageException(getContent(tokenizer, Tag.DIV));
                            } else if (classValue.startsWith("errorArea")) { //$NON-NLS-1$
                                throw new JiraRemoteMessageException(getContent(tokenizer, Tag.DIV));
                            }
                        } else if (tag.getTagType() == Tag.SPAN) {
                            if (classValue.startsWith("errMsg")) { //$NON-NLS-1$
                                msg.append(getContent(tokenizer, Tag.SPAN));
                            }
                        }
                    }
                }
            }
            if (msg.length() == 0) {
                throw new JiraRemoteMessageException(response);
            } else {
                throw new JiraRemoteMessageException(msg.toString());
            }
        } catch (ParseException e) {
            throw new JiraRemoteMessageException("Error parsing JIRA response: " + method.getStatusCode(), ""); //$NON-NLS-1$ //$NON-NLS-2$
        } finally {
            reader.close();
        }
    } catch (IOException e) {
        throw new JiraException(e);
    }
}

From source file:com.celements.sajson.Parser.java

public void parse(String jsonExpression) throws JsonParseException, IOException {
    StringReader jsonReader = new StringReader(jsonExpression);
    try {/*from  w  w w  . j ava  2 s.  com*/
        parser = factory.createJsonParser(jsonReader);
        workerStack.clear();
        JsonToken nextToken = parser.nextToken();
        lexParser.initEvent();
        while (parser.hasCurrentToken()) {
            switch (nextToken) {
            case VALUE_TRUE:
            case VALUE_FALSE:
                boolean boolValue = parser.getBooleanValue();
                lastValue = Boolean.toString(boolValue);
                lexParser.booleanEvent(boolValue);
                impliciteCloseProperty();
                break;
            case VALUE_STRING:
                lastValue = parser.getText();
                lexParser.stringEvent(lastValue);
                impliciteCloseProperty();
                break;
            case START_ARRAY:
                checkIllegalStackState(ECommand.DICTIONARY_COMMAND, nextToken);
                workerStack.push(ECommand.ARRAY_COMMAND);
                lexParser.openArrayEvent();
                break;
            case END_ARRAY:
                checkStackState(ECommand.ARRAY_COMMAND);
                lexParser.closeArrayEvent();
                workerStack.pop();
                impliciteCloseProperty();
                break;
            case START_OBJECT:
                checkIllegalStackState(ECommand.DICTIONARY_COMMAND, nextToken);
                workerStack.push(ECommand.DICTIONARY_COMMAND);
                lexParser.openDictionaryEvent();
                break;
            case END_OBJECT:
                checkStackState(ECommand.DICTIONARY_COMMAND);
                lexParser.closeDictionaryEvent();
                workerStack.pop();
                impliciteCloseProperty();
                break;
            case FIELD_NAME:
                checkStackState(ECommand.DICTIONARY_COMMAND);
                workerStack.push(ECommand.PROPERTY_COMMAND);
                lastKey = parser.getText();
                lexParser.openPropertyEvent(lastKey);
                break;
            default:
                LOGGER.warn("unkown token [" + nextToken + "] lastKey [" + lastKey + "] lastValue [" + lastValue
                        + "].");
                break;
            }
            nextToken = parser.nextToken();
        }
        lexParser.finishEvent();
    } finally {
        jsonReader.close();
    }
}

From source file:com.amalto.workbench.utils.Util.java

/**
 * Returns and XSDSchema Object from an xsd
 * //from w  w w.  j ava  2  s . com
 * @param schema
 * @return
 * @throws Exception
 */
public static XSDSchema getXSDSchema(String schema) throws Exception {
    DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance();
    documentBuilderFactory.setNamespaceAware(true);
    documentBuilderFactory.setValidating(false);
    StringReader reader = new StringReader(schema);
    InputSource source = new InputSource(new StringReader(schema));
    DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder();
    Document document = documentBuilder.parse(source);
    XSDSchema xsdSchema = null;

    xsdSchema = XSDSchemaImpl.createSchema(document.getDocumentElement());
    reader.close();
    return xsdSchema;
}