Example usage for org.apache.hadoop.util StringUtils unEscapeString

Introduction

In this page you can find the example usage for org.apache.hadoop.util StringUtils unEscapeString.

Prototype

public static String unEscapeString(String str, char escapeChar, char[] charsToEscape)

Source Link

Usage

From source file:com.chinamobile.bcbsp.bspcontroller.Counters.java

License:Apache License

/**
 * Unescapes all the delimiters for counters i.e {,[,(,),],}
 * @param string//www  .  jav  a2s . com
 *        counter record to unescape
 * @return unescaped counter record.
 */
private static String unescape(String string) {
    return StringUtils.unEscapeString(string, StringUtils.ESCAPE_CHAR, charsToEscape);
}

From source file:org.apache.ambari.log4j.hadoop.mapreduce.jobhistory.MapReduceJobHistoryUpdater.java

License:Apache License

public static WorkflowContext buildWorkflowContext(JobSubmittedEvent historyEvent) {
    String workflowId = historyEvent.getWorkflowId().replace("\\", "");
    if (workflowId.isEmpty())
        return generateWorkflowContext(historyEvent);
    String workflowName = historyEvent.getWorkflowName().replace("\\", "");
    String workflowNodeName = historyEvent.getWorkflowNodeName().replace("\\", "");
    String workflowAdjacencies = StringUtils.unEscapeString(historyEvent.getWorkflowAdjacencies(),
            StringUtils.ESCAPE_CHAR, new char[] { '"', '=', '.' });
    WorkflowContext context = new WorkflowContext();
    context.setWorkflowId(workflowId);//w ww .j ava 2 s  .com
    context.setWorkflowName(workflowName);
    context.setWorkflowEntityName(workflowNodeName);
    WorkflowDag dag = new WorkflowDag();
    Matcher matcher = adjPattern.matcher(workflowAdjacencies);

    while (matcher.find()) {
        WorkflowDagEntry dagEntry = new WorkflowDagEntry();
        dagEntry.setSource(matcher.group(1).replace("\\", ""));
        String[] values = StringUtils.getStrings(matcher.group(2).replace("\\", ""));
        if (values != null) {
            for (String target : values) {
                dagEntry.addTarget(target);
            }
        }
        dag.addEntry(dagEntry);
    }
    if (dag.getEntries().isEmpty()) {
        WorkflowDagEntry wfDagEntry = new WorkflowDagEntry();
        wfDagEntry.setSource(workflowNodeName);
        dag.addEntry(wfDagEntry);
    }
    context.setWorkflowDag(dag);
    return context;
}

From source file:org.apache.hama.bsp.Counters.java

License:Apache License

private static String unescape(String string) {
    return StringUtils.unEscapeString(string, StringUtils.ESCAPE_CHAR, charsToEscape);
}