Example usage for org.apache.commons.lang StringUtils join

Introduction

In this page you can find the example usage for org.apache.commons.lang StringUtils join.

Prototype

public static String join(Object[] array, String separator, int startIndex, int endIndex) 

Source Link

Document

Joins the elements of the provided array into a single String containing the provided list of elements.

Usage

From source file:de.tudarmstadt.ukp.dkpro.tc.ml.report.util.PrettyPrintUtils.java

/**
 * Pretty prints classifier name and arguments
 * /*from   w w w . j a v  a2s.c  o  m*/
 * @param classArgs
 *            a string with the classifier name as first comma separated token, followed by a
 *            list of arguments in angle brackets as provided by the discriminators.txt
 * @return a short name
 */
public static String prettyPrintClassifier(String classArgs) {
    String[] splittedArgs = classArgs.substring(1, classArgs.length() - 1).split(",");
    String classifierName = splittedArgs[0];
    String options = StringUtils.join(splittedArgs, "", 1, splittedArgs.length);
    return classifierName + options;
}

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From source file:com.twitter.distributedlog.metadata.ZkMetadataResolver.java

@Override
public DLMetadata resolve(URI uri) throws IOException {
    String dlPath = uri.getPath();
    PathUtils.validatePath(dlPath);/*  w  w w .  j a v a  2  s .  com*/
    // Normal case the dl metadata is stored in the last segment
    // so lookup last segment first.
    String[] parts = StringUtils.split(dlPath, '/');
    if (null == parts || 0 == parts.length) {
        throw new IOException("Invalid dlPath to resolve dl metadata : " + dlPath);
    }
    for (int i = parts.length; i >= 0; i--) {
        String pathToResolve = String.format("/%s", StringUtils.join(parts, '/', 0, i));
        byte[] data;
        try {
            data = zkc.get().getData(pathToResolve, false, new Stat());
        } catch (KeeperException.NoNodeException nne) {
            continue;
        } catch (KeeperException ke) {
            throw new IOException("Fail to resolve dl path : " + pathToResolve);
        } catch (InterruptedException ie) {
            throw new IOException("Interrupted when resolving dl path : " + pathToResolve);
        }
        if (null == data || data.length == 0) {
            continue;
        }
        try {
            return DLMetadata.deserialize(uri, data);
        } catch (IOException ie) {
        }
    }
    throw new IOException("No bkdl config bound under dl path : " + dlPath);
}

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