Example usage for java.util List contains

Introduction

In this page you can find the example usage for java.util List contains.

Prototype

boolean contains(Object o);

Source Link

Document

Returns true if this list contains the specified element.

Usage

From source file:Main.java

public static List getDifferenceOfTwoList(List originList, List targetList) {
    List diff = new ArrayList();
    for (Iterator it = originList.iterator(); it.hasNext();) {
        Object obj = it.next();//from   w  ww  .  j  a  v  a 2s . co  m
        if (!targetList.contains(obj)) {
            diff.add(obj);
        }
    }
    return diff;
}

From source file:Main.java

public static <T> List<T> intersection(final List<T> list1, final List<T> list2) {
    final List<T> result = new ArrayList<T>();

    for (final T e : list1) {
        if (list2.contains(e)) {
            result.add(e);/*w ww .ja v  a  2  s. co  m*/
        }
    }

    return result;
}

From source file:Main.java

public static String findBestFlashModeMatch(Camera.Parameters params, String... modes) {
    String match = null;/*  w  w  w.  j a v  a2s .c om*/

    List<String> flashModes = params.getSupportedFlashModes();

    if (flashModes != null) {
        for (String mode : modes) {
            if (flashModes.contains(mode)) {
                match = mode;
                break;
            }
        }
    }

    return (match);
}

From source file:Main.java

/**
 * Adds the element parameter only if it isn't inside yet.
 *
 * @param aList/*from  w ww  . ja v  a  2  s.c om*/
 *         The {@link List} to fill.
 * @param element
 *         The element to add to the aList parameter.
 */
public static void addWhenNecessary(List aList, Object element) {
    if (aList == null) {
        aList = new ArrayList();
        aList.add(element);
        return;
    }

    if (!aList.contains(element)) {
        aList.add(element);
    }
}

From source file:ReflectionHelper.java

/**
 * Checks whether the specified class parameter is an instance of a collection class.
 *
 * @param clazz <code>Class</code> to check.
 *
 * @return <code>true</code> is <code>clazz</code> is instance of a collection class, <code>false</code> otherwise.
 *//* ww w  . ja va2  s  . c o m*/
private static boolean isIterableClass(Class<?> clazz) {
    List<Class<?>> classes = new ArrayList<Class<?>>();
    computeClassHierarchy(clazz, classes);
    return classes.contains(Iterable.class);
}

From source file:Main.java

public static List<Integer> randomChoose(int total, int selectedCount) {
    Random random = new Random();
    List<Integer> resultList = new ArrayList<Integer>();
    while (resultList.size() < selectedCount) {
        Integer randomNum = random.nextInt(total) + 1;
        if (!resultList.contains(randomNum)) {
            resultList.add(randomNum);//from   w w w  . j  av  a 2  s. co  m
        }
    }
    return resultList;
}

From source file:com.baifendian.swordfish.execserver.utils.EnvHelper.java

/**
 * //from w w  w .ja va 2  s .c om
 *
 * @param execLocalPath
 * @param proxyUser
 * @param logger
 * @throws IOException
 */
public static void workDirAndUserCreate(String execLocalPath, String proxyUser, Logger logger)
        throws IOException {
    // , 
    File execLocalPathFile = new File(execLocalPath);

    if (execLocalPathFile.exists()) {
        FileUtils.forceDelete(execLocalPathFile);
    }

    // 
    FileUtils.forceMkdir(execLocalPathFile);

    // proxyUser ?, ?
    List<String> osUserList = OsUtil.getUserList();

    // ?, 
    if (!osUserList.contains(proxyUser)) {
        String userGroup = OsUtil.getGroup();
        if (StringUtils.isNotEmpty(userGroup)) {
            logger.info("create os user:{}", proxyUser);

            String cmd = String.format("sudo useradd -g %s %s", userGroup, proxyUser);

            logger.info("exec cmd: {}", cmd);

            OsUtil.exeCmd(cmd);
        }
    }
}

From source file:Main.java

public static <T> void add(final List<T> toList, final List<T> fromList) {

    if (toList == null || fromList == null) {
        return;//from  w w  w .  ja  va  2  s.c o m
    }

    for (T t : fromList) {
        if (!toList.contains(t)) {
            toList.add(t);
        }
    }
}

From source file:com.adaptris.core.services.jdbc.JdbcBatchingDataCaptureService.java

protected static long rowsUpdated(int[] rc) throws SQLException {
    List<Integer> result = Arrays.asList(ArrayUtils.toObject(rc));
    if (result.contains(Statement.EXECUTE_FAILED)) {
        throw new SQLException("Batch Execution Failed.");
    }//  ww  w .  j av  a 2 s . co  m
    return result.stream().filter(e -> !(e == Statement.SUCCESS_NO_INFO)).mapToLong(i -> i).sum();
}

From source file:Main.java

public static <T extends Comparable<? super T>> List<List<T>> getAllCombinations(final List<T> pList,
        final int pSize) {
    assert (pSize < pList.size());
    final List<List<T>> result = new ArrayList<List<T>>();

    if (pSize == 0) {
        result.add(new ArrayList<T>());
        return result;
    }/*from ww  w  .  j  a  v a2s  .com*/

    final List<List<T>> combinations = getAllCombinations(pList, pSize - 1);
    for (final List<T> combination : combinations) {
        for (final T element : pList) {
            if (combination.contains(element)) {
                continue;
            }

            final List<T> list = new ArrayList<T>();
            list.addAll(combination);

            if (list.contains(element)) {
                continue;
            }

            list.add(element);
            Collections.sort(list);

            if (result.contains(list)) {
                continue;
            }

            result.add(list);
        }
    }

    return result;
}