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:org.zht.framework.util.ZBeanUtil.java

@SuppressWarnings({ "rawtypes", "unchecked" })
public static List<?> removeDuplicateWithOrder(List list) {
    if (list == null || list.size() == 0) {
        return list;
    }//from   w w w .  j ava  2s  . c  o  m
    List newList = new ArrayList();
    for (Object object : list) {
        if (!newList.contains(object)) {
            newList.add(object);
        }
    }
    return newList;
}

From source file:de.knurt.fam.core.util.mvc.validator.JmValidationUtils.java

/**
 * Reject the given field if it's empty or is one of the given wrong values
 * /*from   ww w. j a v a2s  . com*/
 * @param errors
 *            the Errors instance to register errors on
 * @param field
 *            the field name to check
 * @param errorCode
 *            error code, interpretable as message key
 * @param errorArgs
 *            the error arguments, for argument binding via MessageFormat
 *            (can be null)
 * @param defaultMessage
 *            fallback default message
 * @param wrongValues
 *            list of values that are rejected
 */
public static void rejectIfEmptyOrOneOfValues(Errors errors, String field, String errorCode, Object[] errorArgs,
        String defaultMessage, List<String> wrongValues) {
    Object value = errors.getFieldValue(field);
    if (value == null || wrongValues.contains(value.toString())) {
        errors.rejectValue(field, errorCode, errorArgs, defaultMessage);
    }
}

From source file:org.zht.framework.util.ZBeanUtil.java

@SuppressWarnings({ "rawtypes", "unchecked" })
public static Object[] removeDuplicateWithOrder(Object[] array) {
    if (array == null || array.length == 0) {
        return array;
    }/*w  w  w  . j  a va  2 s.  c o  m*/
    List newList = new ArrayList();
    for (Object object : array) {
        if (!newList.contains(object)) {
            newList.add(object);
        }
    }
    Class elementType = array.getClass().getComponentType();
    Object[] newArray = (Object[]) java.lang.reflect.Array.newInstance(elementType, 0);
    array = newList.toArray(newArray);
    return array;
}

From source file:controllers.group.GroupMsgApp.java

/**
 * ???/*w w  w .  j av  a  2s .  c o m*/
 * @return
 * @throws IOException 
 */
@Transactional
public static Result agreeInvit() throws IOException {
    User currentUser = User.getFromSession(session());
    ObjectNodeResult result = new ObjectNodeResult();
    Long groupId = new Long(request().getQueryString("groupId"));
    Long messageId = new Long(request().getQueryString("messageId"));
    Group group = Group.queryGroupById(groupId);
    if (group == null)
        return ok(result.errorkey("group.error.nofound").getObjectNode());
    if (group.getType() != null && group.getType() == Group.Type.NORMAL) { // ??
        User recevierUser = User.findById(group.owner.userId);
        List<User> userList = Group.queryUserListOfGroup(groupId); // ?
        if (!userList.contains(currentUser)) { // ?
            ChatService.appendMemberToGroup(groupId, currentUser.id);
            MessageService.pushMsgInvitAgree(currentUser, recevierUser, group);
            MessageService.handlerMessage(messageId);
        } else {
            MessageService.handlerMessage(messageId);
            return ok(result.error("?.").getObjectNode());
        }

    }
    return ok(result.getObjectNode());
}

From source file:Main.java

public static Iterator getElementsByTagNames(Element element, String[] tags) {
    List<Element> children = new ArrayList<Element>();
    if (element != null && tags != null) {
        List tagList = Arrays.asList(tags);
        NodeList nodes = element.getChildNodes();
        for (int i = 0; i < nodes.getLength(); i++) {
            Node child = nodes.item(i);
            if (child.getNodeType() == Node.ELEMENT_NODE && tagList.contains(((Element) child).getTagName())) {
                children.add((Element) child);
            }//from  w ww.  j a v a  2s .c  o m
        }
    }
    return children.iterator();
}

From source file:Main.java

/**
 * Add all given objects to given target list. No duplicates will be added. The contains() method of the given
 * target list will be used to determine whether or not an object is already in the list.
 * @param target the collection to which to objects will be added
 * @param objects the objects to add/*from w  w w .ja v a 2s.  co  m*/
 * @return whether or not the target collection changed
 */
public static <T> boolean addAllNoDuplicates(List<T> target, T... objects) {
    if (objects == null || objects.length == 0) {
        return false;
    } else {
        boolean changed = false;
        for (int i = 0; i < objects.length; i++) {
            if (!target.contains(objects[i])) {
                target.add(objects[i]);
                changed = true;
            }
        }
        return changed;
    }
}

From source file:com.tlabs.eve.api.EveRequest.java

protected static final long[] filter(long[] ids) {
    List<Long> l = new ArrayList<Long>(ids.length);
    for (Long id : ids) {
        if (!l.contains(id)) {
            l.add(id);//from w  w w .  ja  va  2  s  .c o m
        }
    }
    Long[] fck = l.toArray(new Long[l.size()]);
    long[] r = new long[fck.length];
    for (int i = 0; i < fck.length; i++) {
        r[i] = fck[i];
    }
    return r;
}

From source file:com.tlabs.eve.api.EveRequest.java

protected static final long[] filter(Long[] ids) {
    List<Long> l = new ArrayList<Long>(ids.length);
    for (Long id : ids) {
        if (!l.contains(id)) {
            l.add(id);//from ww w .j  a  v  a2s. c o  m
        }
    }
    Long[] fck = l.toArray(new Long[l.size()]);
    long[] r = new long[fck.length];
    for (int i = 0; i < fck.length; i++) {
        r[i] = fck[i].longValue();
    }
    return r;
}

From source file:Main.java

/**
 * Compares two lists. Caution: Lists can hold same values multiple times.
 * //from w  ww .j  ava 2 s  .  c  om
 * @param list1
 * @param list2
 * @return -1 if no common elements or any of lists are empty/null.
 *          0 if two lists have the same contents.
 *          x (x>0) if there are x elements in common. 
 */

public static int compareLists(List<? extends Object> list1, List<? extends Object> list2) {
    if (null == list1 || null == list2 || list1.isEmpty() || list2.isEmpty()) {
        return -1;
    }

    int count = 0;

    for (Object o : list1) {
        if (list2.contains(o))
            count++;
    }

    return count;

}

From source file:com.tlabs.eve.api.EveRequest.java

protected static final String[] filter(String[] names) {
    List<String> l = new ArrayList<String>(names.length);
    for (String s : names) {
        if (!l.contains(s)) {
            l.add(s);//from w  w w .j a  v a  2s. c  om
        }
    }
    return l.toArray(new String[l.size()]);
}