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(Collection<?> collection, String separator) 

Source Link

Document

Joins the elements of the provided Collection into a single String containing the provided elements.

Usage

From source file:com.fengduo.bee.commons.core.lang.ArrayUtils.java

public static void main(String[] args) {
    String[] s = { "zxc", null, "msunmss", "" };
    s = ArrayUtils.replaceNullElement(s, new IHandle<String>() {

        @Override//from   w w  w  .jav  a2 s  .c o  m
        public boolean isNull(String obj) {
            return obj == null || StringUtils.isEmpty((String) obj);
        }

        @Override
        public String init(Class<String> clazz) {
            if (clazz.equals(String.class)) {
                return (String) new String("wu");
            }
            try {
                return clazz.newInstance();
            } catch (InstantiationException e) {
                System.out.println(e.getMessage());
            } catch (IllegalAccessException e) {
                System.out.println(e.getMessage());
            }
            System.out.println("replaceNullElement: init error");
            return null;
        }
    });
    System.out.println(StringUtils.join(s, ";"));

    String[] a = removeBlankElement(new String[] { "1", null, "2", "", "3" });
    for (int i = 0, j = a.length; i < j; i++) {
        System.out.println(a[i]);
    }

    String[] t = null;
    System.out.println("Orignal:" + org.apache.commons.lang.ArrayUtils.toString(t, "NULL"));
    System.out.println("shift:" + org.apache.commons.lang.ArrayUtils.toString(shift(t, "a"), "NULL"));
    System.out.println("unshift:" + org.apache.commons.lang.ArrayUtils.toString(unshift(t, "a"), "NULL"));
    System.out.println("add(-1):" + org.apache.commons.lang.ArrayUtils.toString(add(t, -1, "a"), "NULL"));
    System.out.println("add(0):" + org.apache.commons.lang.ArrayUtils.toString(add(t, 0, "a"), "NULL"));
    System.out.println("add(length):" + org.apache.commons.lang.ArrayUtils.toString(add(t, 0, "a"), "NULL"));
    System.out.println("add(length+1):" + org.apache.commons.lang.ArrayUtils.toString(add(t, 1, "a"), "NULL"));
    t = new String[] { "1", null, "2", "", "3" };
    System.out.println("Orignal:" + org.apache.commons.lang.ArrayUtils.toString(t, "NULL"));
    System.out.println("shift:" + org.apache.commons.lang.ArrayUtils.toString(shift(t, "a"), "NULL"));
    System.out.println("unshift:" + org.apache.commons.lang.ArrayUtils.toString(unshift(t, "a"), "NULL"));
    System.out.println("add(-1):" + org.apache.commons.lang.ArrayUtils.toString(add(t, -1, "a"), "NULL"));
    System.out.println("add(0):" + org.apache.commons.lang.ArrayUtils.toString(add(t, 0, "a"), "NULL"));
    System.out.println("add(length):" + org.apache.commons.lang.ArrayUtils.toString(add(t, 0, "a"), "NULL"));
    System.out.println("add(length+1):" + org.apache.commons.lang.ArrayUtils.toString(add(t, 1, "a"), "NULL"));
}

---

From source file:com.thinkbiganalytics.spark.datavalidator.Validator.java

public static void main(String[] args) {
    log.info("Running Spark Validator with the following command line args (comma separated):"
            + StringUtils.join(args, ","));

    // Check how many arguments were passed in
    if (args.length < 4) {
        System.out.println("Proper Usage is: <targetDatabase> <entity> <partition> <path-to-policy-file>");
        System.out.println(/*w w w .  j a  va 2s.c  om*/
                "You can optionally add: --hiveConf hive.setting=value --hiveConf hive.other.setting=value");
        System.out.println("You can optionally add: --storageLevel rdd_persistence_level_value");
        System.out.println("You can optionally add: --numPartitions number_of_rdd_partitions");
        System.out.println("You provided " + args.length + " args which are (comma separated): "
                + StringUtils.join(args, ","));
        System.exit(1);
    }
    try {
        ApplicationContext ctx = new AnnotationConfigApplicationContext("com.thinkbiganalytics.spark");
        Validator app = ctx.getBean(Validator.class);
        app.setArguments(args[0], args[1], args[2], args[3]);
        app.addParameters(parseRemainingParameters(args, 4));
        app.doValidate();
    } catch (Exception e) {
        System.out.println(e);
    }
}

---

From source file:edu.indiana.d2i.sloan.internal.CreateVMSimulator.java

public static void main(String[] args) {
    CreateVMSimulator simulator = new CreateVMSimulator();

    CommandLineParser parser = new PosixParser();

    try {/*from  www  . j  a v  a2s  .  c  om*/
        CommandLine line = simulator.parseCommandLine(parser, args);

        String imagePath = line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.IMAGE_PATH));
        int vcpu = Integer.parseInt(line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VCPU)));
        int mem = Integer.parseInt(line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.MEM)));

        if (!HypervisorCmdSimulator.resourceExist(imagePath)) {
            logger.error(String.format("Cannot find requested image: %s", imagePath));
            System.exit(ERROR_CODE.get(ERROR_STATE.IMAGE_NOT_EXIST));
        }

        if (!hasEnoughCPUs(vcpu)) {
            logger.error(String.format("Don't have enough cpus, requested %d", vcpu));
            System.exit(ERROR_CODE.get(ERROR_STATE.NOT_ENOUGH_CPU));
        }

        if (!hasEnoughMem(mem)) {
            logger.error(String.format("Don't have enough memory, requested %d", mem));
            System.exit(ERROR_CODE.get(ERROR_STATE.NOT_ENOUGH_MEM));
        }

        String wdir = line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.WORKING_DIR));

        if (HypervisorCmdSimulator.resourceExist(wdir)) {
            logger.error(String.format("Working directory %s already exists ", wdir));
            System.exit(ERROR_CODE.get(ERROR_STATE.VM_ALREADY_EXIST));
        }

        // copy VM image to working directory
        File imageFile = new File(imagePath);
        FileUtils.copyFile(imageFile, new File(HypervisorCmdSimulator.cleanPath(wdir) + imageFile.getName()));

        // write state as property file so that we can query later
        Properties prop = new Properties();

        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.IMAGE_PATH), imagePath);
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VCPU), String.valueOf(vcpu));
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.MEM), String.valueOf(mem));
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.WORKING_DIR), wdir);
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VNC_PORT),
                line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VNC_PORT)));
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.SSH_PORT),
                line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.SSH_PORT)));
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.LOGIN_USERNAME),
                line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.LOGIN_USERNAME)));
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.LOGIN_PASSWD),
                line.getOptionValue(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.LOGIN_PASSWD)));

        // write VM state as shutdown
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_STATE), VMState.SHUTDOWN.toString());
        // write VM mode as undefined
        prop.put(CMD_FLAG_VALUE.get(CMD_FLAG_KEY.VM_MODE), VMMode.NOT_DEFINED.toString());

        prop.store(
                new FileOutputStream(new File(
                        HypervisorCmdSimulator.cleanPath(wdir) + HypervisorCmdSimulator.VM_INFO_FILE_NAME)),
                "");

        // do other related settings
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            logger.error(e.getMessage());
        }

        // success
        System.exit(0);

    } catch (ParseException e) {
        logger.error(String.format("Cannot parse input arguments: %s%n, expected:%n%s",
                StringUtils.join(args, " "), simulator.getUsage(100, "", 5, 5, "")));

        System.exit(ERROR_CODE.get(ERROR_STATE.INVALID_INPUT_ARGS));
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
        System.exit(ERROR_CODE.get(ERROR_STATE.IO_ERR));
    }
}

---

From source file:de.codesourcery.springmass.springmass.SimulationParamsBuilder.java

public static void main(String[] args) {
    final List<SimulationParameter> parameters = new SimulationParamsBuilder().getParameters();
    System.out.println(StringUtils.join(parameters, "\n"));
}

---

From source file:com.hortonworks.historian.model.HistorianModelGenerator.java

public static void main(String[] args) throws Exception {
    HistorianModelGenerator HistorianDataModelGenerator = new HistorianModelGenerator();
    System.out.println("HistorianDataModelAsJSON = " + HistorianDataModelGenerator.getModelAsJson());

    TypesDef typesDef = HistorianDataModelGenerator.getTypesDef();
    for (EnumTypeDefinition enumType : typesDef.enumTypesAsJavaList()) {
        System.out.println(String.format("%s(%s) - values %s", enumType.name, EnumType.class.getSimpleName(),
                Arrays.toString(enumType.enumValues)));
    }/*from w  ww  .j av a  2 s .co  m*/
    for (StructTypeDefinition structType : typesDef.structTypesAsJavaList()) {
        System.out.println(String.format("%s(%s) - attributes %s", structType.typeName,
                StructType.class.getSimpleName(), Arrays.toString(structType.attributeDefinitions)));
    }
    for (HierarchicalTypeDefinition<ClassType> classType : typesDef.classTypesAsJavaList()) {
        System.out.println(String.format("%s(%s) - super types [%s] - attributes %s", classType.typeName,
                ClassType.class.getSimpleName(), StringUtils.join(classType.superTypes, ","),
                Arrays.toString(classType.attributeDefinitions)));
    }
    for (HierarchicalTypeDefinition<TraitType> traitType : typesDef.traitTypesAsJavaList()) {
        System.out.println(String.format("%s(%s) - %s", traitType.typeName, TraitType.class.getSimpleName(),
                Arrays.toString(traitType.attributeDefinitions)));
    }
}

---

From source file:com.ewcms.publication.freemarker.directive.UriFormat.java

/**
 * ??????/*from ww w  . jav  a  2  s .  c o  m*/
 * 
 * @param path
 * @return
 */
public static String formatChannelPath(String path) {
    String[] s = StringUtils.split(path, "/");
    return StringUtils.join(s, "/");
}

---

From source file:mongodb.MongoUtils.java

public static Object getValue(Document doc, String attribut) {
    if (!attribut.contains("."))
        return doc.get(attribut);
    else {/*from w ww  .ja  v a 2 s .  c  o  m*/
        //System.out.println("Attribut a splitter : ["+attribut+"]");
        String[] parties = attribut.split("\\.");
        Document nested = (Document) doc.get(parties[0]);

        return getValue(nested, StringUtils.join(Arrays.copyOfRange(parties, 1, parties.length), "."));
    }
}

---

From source file:com.linkedin.pinot.common.utils.StringUtil.java

public static String join(String seperator, String... keys) {
    return StringUtils.join(keys, seperator);
}

---

From source file:gov.nih.nci.caintegrator.application.util.CSVUtil.java

public static void renderCSV(HttpServletResponse response, List<List> csv) {
    PrintWriter out = null;//from www .  ja  v a  2 s .c  om

    long randomness = System.currentTimeMillis();
    response.setContentType("application/csv");
    response.setHeader("Content-Disposition", "attachment; filename=report_" + randomness + ".csv");

    try {
        for (List row : csv) {

            out = response.getWriter();
            out.write(StringUtils.join(row.toArray(), ",") + "\r\n");
            out.flush();
        }
    } catch (Exception e) {
        out.write("error generating report");
    }
}

---

From source file:com.ms.commons.log.LoggerHelper.java

private static String leftpad(int level, String msg) {
    String prefix = StringUtils.repeat("\t", level);
    String[] lines = StringUtils.split(msg, newline);
    for (int i = 0; i < lines.length; i++) {
        lines[i] = prefix + lines[i];/*  w  w w . j a  va 2s  . c  o  m*/
    }
    return StringUtils.join(lines, newline);
}

---

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