Example usage for java.lang System lineSeparator

Introduction

In this page you can find the example usage for java.lang System lineSeparator.

Prototype

String lineSeparator

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Usage

From source file:com.datamelt.nifi.processors.ExecuteRuleEngine.java

/**
 * construct the content for the flow file for the rule engine details.
 * //from  w  w w  .j  a v  a  2s .c o  m
 * when the rule engine runs, it produces results per data row and business rules. with 1 data row and 10 rules you get 10 detailed results. these results are output
 * in one flow file to the details relationship.
 * 
 * @param header
 * @param headerPresent
 * @param outputType
 * @param row
 * @return
 */
private String getFlowFileRuleEngineDetailsContent(HeaderRow header, boolean headerPresent, String outputType,
        String row) {
    StringBuffer detailedFlowFileContent = new StringBuffer();

    // add the header if there is one
    if (headerPresent && header != null && header.getNumberOfFields() > 0) {
        String headerRow = header.getFieldNamesWithSeparator();
        detailedFlowFileContent.append(headerRow);

        // if the header row does not have a line separator at the end then add it
        if (!headerRow.endsWith(System.lineSeparator())) {
            detailedFlowFileContent.append(System.lineSeparator());
        }
    }

    // add the results
    detailedFlowFileContent.append(getRuleEngineDetails(outputType, row));

    return detailedFlowFileContent.toString();
}

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From source file:org.apache.hadoop.yarn.client.cli.TopCLI.java

String limitLineLength(String line, int length, boolean addNewline) {
    if (line.length() > length) {
        String tmp;// w w w .ja  va  2s . com
        if (addNewline) {
            tmp = line.substring(0, length - System.lineSeparator().length());
            tmp += System.lineSeparator();
        } else {
            tmp = line.substring(0, length);
        }
        return tmp;
    }
    return line;
}

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From source file:duthientan.mmanm.com.Main.java

private void BntOpenKeyActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_BntOpenKeyActionPerformed
    JFileChooser fileChooser = new JFileChooser();
    int returnValue = fileChooser.showOpenDialog(null);
    if (returnValue == JFileChooser.APPROVE_OPTION) {
        File selectedFile = fileChooser.getSelectedFile();
        if (isRSA) {
            key = selectedFile.getParent();
            JLKey.setText(selectedFile.getName());
            JFrame frame = new JFrame("ERROR");
            JOptionPane.showMessageDialog(frame, key);
            return;
        }//w w  w  . j  a  v  a  2s .  c  o  m
        if (selectedFile.getName().contains(".txt")) {
            JLKey.setText(selectedFile.getName());
            try {
                BufferedReader br = new BufferedReader(new FileReader(selectedFile.getPath()));
                StringBuilder sb = new StringBuilder();
                String line = br.readLine();

                while (line != null) {
                    sb.append(line);
                    sb.append(System.lineSeparator());
                    line = br.readLine();
                }
                key = sb.toString();
                JFrame frame = new JFrame("ERROR");
                JOptionPane.showMessageDialog(frame, key);
            } catch (FileNotFoundException ex) {
                Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
            } catch (IOException ex) {
                Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
            }
        } else {
            JFrame frame = new JFrame("ERROR");
            JOptionPane.showMessageDialog(frame, "Please Choice File TXT");
        }
    }
}

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From source file:org.corpus_tools.pepper.connectors.impl.MavenAccessor.java

/** this method recursively computes */
private String getDependencyPrint(DependencyNode startNode, int depth) {
    StringBuilder dep = new StringBuilder();

    // String d = "";
    for (int i = 0; i < depth; i++) {
        // d += " ";
        dep.append(" ");
    }//w  ww.j  a  va 2 s  .  com
    // d += depth == 0 ? "" : "+- ";
    dep.append((depth == 0) ? "" : "+- ");
    // d +=
    // startNode.getArtifact().toString().concat("
    // (").concat(startNode.getDependency().getScope()).concat(")");
    dep.append(startNode.getArtifact().toString().concat(" (").concat(startNode.getDependency().getScope())
            .concat(")"));
    for (DependencyNode node : startNode.getChildren()) {
        // d += System.lineSeparator().concat(getDependencyPrint(node, depth
        // + 1));
        dep.append(System.lineSeparator().concat(getDependencyPrint(node, depth + 1)));
    }
    // return d;
    return (dep.toString());
}

---

From source file:com.datamelt.nifi.processors.ExecuteRuleEngine.java

/**
 * when the ruleengine ran, a collection of results is available - if the rules passed or failed, how many failed, how many groups failed,
 * how many actions failed, a message,  etc.
 * // w  w w  .j a v  a  2  s .co m
 * for a given row of CSV data this method produces one row per business rule. each row will contain information about the rule execution.
 * 
 * @param outputType      the output type configured in the configuration
 * @param content         a row of CSV data
 * @return               the original row multiplied with the number of rules
 */
private String getRuleEngineDetails(String outputType, String content) {
    StringBuffer row = new StringBuffer();

    // loop over all groups
    for (int f = 0; f < ruleEngine.getGroups().size(); f++) {
        // get a rulegroup
        RuleGroup group = ruleEngine.getGroups().get(f);

        try {
            // loop over all subgroups of the group
            for (int g = 0; g < group.getSubGroups().size(); g++) {
                RuleSubGroup subgroup = group.getSubGroups().get(g);
                // get the execution results of the subgroup
                ArrayList<RuleExecutionResult> results = subgroup.getExecutionCollection().getResults();
                // loop over all results
                for (int h = 0; h < results.size(); h++) {
                    // one result of one rule execution
                    RuleExecutionResult result = results.get(h);
                    // the corresponding rule that was executed
                    XmlRule rule = result.getRule();

                    // check if rulegroup and rule are according to the output type settings
                    // otherwise we don't need to output the data
                    if (outputType.equals(OUTPUT_TYPE_ALL_GROUPS_ALL_RULES)
                            || (outputType.equals(OUTPUT_TYPE_FAILED_GROUPS_FAILED_RULES)
                                    && group.getFailed() == 1 && rule.getFailed() == 1)
                            || (outputType.equals(OUTPUT_TYPE_FAILED_GROUPS_PASSED_RULES)
                                    && group.getFailed() == 1 && rule.getFailed() == 0)
                            || outputType.equals(OUTPUT_TYPE_FAILED_GROUPS_ALL_RULES) && group.getFailed() == 1
                            || (outputType.equals(OUTPUT_TYPE_PASSED_GROUPS_FAILED_RULES)
                                    && group.getFailed() == 0 && rule.getFailed() == 1)
                            || (outputType.equals(OUTPUT_TYPE_PASSED_GROUPS_PASSED_RULES)
                                    && group.getFailed() == 0 && rule.getFailed() == 0)
                            || (outputType.equals(OUTPUT_TYPE_PASSED_GROUPS_ALL_RULES)
                                    && group.getFailed() == 0)) {
                        // append the content 
                        row.append(content);
                        // add a separator
                        row.append(separator);

                        // append information about the ruleengine execution to each flow file
                        // so that the rulegroup, subgroup and rule can be identified
                        row.append(group.getId());
                        row.append(separator);

                        row.append(group.getFailed());
                        row.append(separator);

                        row.append(subgroup.getId());
                        row.append(separator);

                        row.append(subgroup.getFailed());
                        row.append(separator);

                        row.append(subgroup.getLogicalOperatorSubGroupAsString());
                        row.append(separator);

                        row.append(subgroup.getLogicalOperatorRulesAsString());
                        row.append(separator);

                        row.append(rule.getId());
                        row.append(separator);

                        row.append(rule.getFailed());
                        row.append(separator);

                        // append the resulting ruleengine message of the rule execution
                        row.append(result.getMessage());

                        // add line separator except last line
                        if (h < results.size() - 1) {
                            row.append(System.lineSeparator());
                        }
                    }
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    return row.toString();
}

---

From source file:org.apache.hadoop.hive.metastore.MetaStoreUtils.java

private static String getAllThreadStacksAsString() {
    Map<Thread, StackTraceElement[]> threadStacks = Thread.getAllStackTraces();
    StringBuilder sb = new StringBuilder();
    for (Map.Entry<Thread, StackTraceElement[]> entry : threadStacks.entrySet()) {
        Thread t = entry.getKey();
        sb.append(System.lineSeparator());
        sb.append("Name: ").append(t.getName()).append(" State: ").append(t.getState());
        addStackString(entry.getValue(), sb);
    }//from  w  ww .  j a  va2  s. com
    return sb.toString();
}

---

From source file:org.apache.hadoop.hive.metastore.MetaStoreUtils.java

private static void addStackString(StackTraceElement[] stackElems, StringBuilder sb) {
    sb.append(System.lineSeparator());
    for (StackTraceElement stackElem : stackElems) {
        sb.append(stackElem).append(System.lineSeparator());
    }//from   ww  w.  j a  va2  s .c  o m
}

---

From source file:ezbake.services.provenance.graph.GraphDb.java

public void updatePurge(ezbake.base.thrift.EzSecurityToken securityToken, long purgeId,
        Set<Long> completelyPurged, String note, boolean resolved) throws ProvenancePurgeIdNotFoundException,
        ProvenanceDocumentNotInPurgeException, org.apache.thrift.TException {

    validateGraphDb();//from   w w  w  .  jav a  2  s  .co m

    try {
        FramedGraph<TitanGraph> framedGraph = getFramedGraph();

        // check if vertex exists
        Iterator<PurgeEvent> it = framedGraph.query().has(PurgeEvent.PurgeId, purgeId)
                .vertices(PurgeEvent.class).iterator();
        if (!it.hasNext()) {
            this.graph.rollback();
            throw new ProvenancePurgeIdNotFoundException(
                    String.format("Purge Event with id %d not found", purgeId));
        }

        PurgeEvent event = it.next();

        if (!event.getPurgeDocumentIds().containsAll(completelyPurged)) {
            this.graph.rollback();
            throw new ProvenanceDocumentNotInPurgeException(
                    "Document not found in PurgeEvent vertex's PurgeDocumentIds");
        }

        // combine the existing completed set with the new one
        Set<Long> complelted = event.getCompletelyPurgedDocumentIds();
        complelted.addAll(completelyPurged);
        event.setCompletelyPurgedDocumentIds(complelted);
        event.setResolved(resolved);

        // format description as
        // description \n\nNote: <timestamp> <applicationId> <userPrincipal>\n note
        if (StringUtils.isNotEmpty(note)) {
            StringBuilder sb = new StringBuilder();
            String description = event.getDescription();
            if (StringUtils.isNotEmpty(description)) {
                sb.append(description);
                sb.append(System.lineSeparator());
                sb.append(System.lineSeparator());
            }
            sb.append("Note: ");
            sb.append(Utils.getCurrentDate().toString());
            sb.append(" ");
            sb.append(Utils.getApplication(securityToken));
            sb.append(" ");
            sb.append(Utils.getUser(securityToken));
            sb.append(System.lineSeparator());
            sb.append(note);

            event.setDescription(sb.toString());
        }
        this.graph.commit();

    } catch (TitanException ex) {
        this.graph.rollback();
        throw new TException(ex);
    }
}

---

From source file:org.apache.openaz.xacml.admin.components.PolicyWorkspace.java

protected void renamePolicyFile(File sourceFile, File dest, File parent) {
    try {//w w w .  java  2 s  .  c  o  m
        if (sourceFile.renameTo(dest)) {
            this.treeContainer.setParent(sourceFile, parent);
            this.treeContainer.updateItem(parent);
        }
    } catch (Exception e) {
        String error = "Failed to rename " + sourceFile + " to: " + dest + System.lineSeparator()
                + e.getLocalizedMessage();
        logger.error(error);
        AdminNotification.error(error);
    }
}

---

From source file:org.apache.pulsar.io.PulsarFunctionE2ETest.java

public static String getPrometheusMetrics(int metricsPort) throws IOException {
    StringBuilder result = new StringBuilder();
    URL url = new URL(
            String.format("http://%s:%s/metrics", InetAddress.getLocalHost().getHostAddress(), metricsPort));
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("GET");
    BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    String line;//from w  w w.  j  a va2 s .c  o m
    while ((line = rd.readLine()) != null) {
        result.append(line + System.lineSeparator());
    }
    rd.close();
    return result.toString();
}

---

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