A utility class that provides utility methods to work with arrays for GWT. : Utility « GWT « Java






A utility class that provides utility methods to work with arrays for GWT.

   
/*
 * Copyright 2002-2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

//package org.gwtoolbox.commons.util.client;

/**
 * A utility class that provides utility methods to work with arrays.
 *
 * @author Uri Boness
 */
public class ArrayUtils {

    /**
     * Returns whether the given array contains the given object.
     *
     * @param object The object to search for.
     * @param array The array to search in.
     * @return <code>true</code> if the array contains the given object, <code>false</code> otherwise.
     */
    public static boolean contains(Object object, Object[] array) {
        for (int i=0; i<array.length; i++) {
            if (object.equals(array[i])) {
                return true;
            }
        }
        return false;
    }

    /**
     * Returns whether the given string array contains the given string while ignoring the case.
     *
     * @param string The string to search for.
     * @param array The array to search in.
     * @return <code>true</code> if the array contains the given string, <code>false</code> otherwise.
     */
    public static boolean containsIgnoreCase(String string, String[] array) {
        for (int i=0; i<array.length; i++) {
            if (string.equalsIgnoreCase(array[i])) {
                return true;
            }
        }
        return false;
    }

    /**
     * Returns whether the given object i a javascript array.
     *
     * @param object The object to be checked.
     * @return <code>true</code> if the given object is a javascript array, <code>false</code> otherwise.
     */
    public native static boolean isArray(Object object) /*-{
        return object instanceof Array;
    }-*/;

    /**
     * Returns the i'th item in the given javascript array.
     *
     * @param array The given javascript array.
     * @param i The index of the item to be returned.
     * @return The item in the i'th position in the given array.
     */
    public native static Object get(Object array, int i) /*-{
        return array[i];
    }-*/;

    /**
     * Returns the length of the given javascript array.
     *
     * @param array The given javascript array.
     * @return The length of the given array.
     */
    public native static int getLength(Object array) /*-{
        return array.length;
    }-*/;

}
/*
 * Copyright 2002-2008 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

//package org.gwtoolbox.commons.util.client;

/**
 * A utility class that provides utility methods to work with arrays.
 *
 * @author Uri Boness
 */
public class ArrayUtils {

    /**
     * Returns whether the given array contains the given object.
     *
     * @param object The object to search for.
     * @param array The array to search in.
     * @return <code>true</code> if the array contains the given object, <code>false</code> otherwise.
     */
    public static boolean contains(Object object, Object[] array) {
        for (int i=0; i<array.length; i++) {
            if (object.equals(array[i])) {
                return true;
            }
        }
        return false;
    }

    /**
     * Returns whether the given string array contains the given string while ignoring the case.
     *
     * @param string The string to search for.
     * @param array The array to search in.
     * @return <code>true</code> if the array contains the given string, <code>false</code> otherwise.
     */
    public static boolean containsIgnoreCase(String string, String[] array) {
        for (int i=0; i<array.length; i++) {
            if (string.equalsIgnoreCase(array[i])) {
                return true;
            }
        }
        return false;
    }

    /**
     * Returns whether the given object i a javascript array.
     *
     * @param object The object to be checked.
     * @return <code>true</code> if the given object is a javascript array, <code>false</code> otherwise.
     */
    public native static boolean isArray(Object object) /*-{
        return object instanceof Array;
    }-*/;

    /**
     * Returns the i'th item in the given javascript array.
     *
     * @param array The given javascript array.
     * @param i The index of the item to be returned.
     * @return The item in the i'th position in the given array.
     */
    public native static Object get(Object array, int i) /*-{
        return array[i];
    }-*/;

    /**
     * Returns the length of the given javascript array.
     *
     * @param array The given javascript array.
     * @return The length of the given array.
     */
    public native static int getLength(Object array) /*-{
        return array.length;
    }-*/;

}

   
    
    
  








Related examples in the same category

1.Use reflection to generate the async interface from the Service interface as per GWT standard
2.Array Utils for client side GWT
3.A simple number formatting/ parsing class
4.GWT window utility
5.Implement java.util.regex.Pattern with Javascript RegExp object
6.GWT color class
7.DOM related helper methods (Smart GWT)
8.Formatting functions for GWT client side (Ext GWT)
9.Helper class to decode and encode objects to and from Json (Ext GWT)
10.String util for GWT client side (Smart GWT)
11.GWT DOM util
12.Replace string for GWT
13.GWT style util
14.gwt DateTimeFormat
15.Date compare util for GWT
16.GWT DOM utility functions for use when programmatically constructing a UI.
17.Generate a faster string comparison than String.equals() for web mode code.
18.Js Array Util