StringUtil.java

/*
 * Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * 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.wso2.siddhi.service.api;

@javax.annotation.Generated(value = "io.swagger.codegen.languages.JavaMSF4JServerCodegen", date =
        "2017-03-15T08:56:59.657Z")
public class StringUtil {
    /**
     * Check if the given array contains the given value (with case-insensitive comparison).
     *
     * @param array The array
     * @param value The value to search
     * @return true if the array contains the value
     */
    public static boolean containsIgnoreCase(String[] array, String value) {
        for (String str : array) {
            if (value == null && str == null) {
                return true;
            }
            if (value != null && value.equalsIgnoreCase(str)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Join an array of strings with the given separator.
     * <p>
     * Note: This might be replaced by utility method from commons-lang or guava someday
     * if one of those libraries is added as dependency.
     * </p>
     *
     * @param array     The array of strings
     * @param separator The separator
     * @return the resulting string
     */
    public static String join(String[] array, String separator) {
        int len = array.length;
        if (len == 0) {
            return "";
        }

        StringBuilder out = new StringBuilder();
        out.append(array[0]);
        for (int i = 1; i < len; i++) {
            out.append(separator).append(array[i]);
        }
        return out.toString();
    }
}