com.hp.octane.integrations.utils.SdkStringUtils Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of integrations-sdk Show documentation
There is a newer version: 2.24.3.5
/*
 *     Copyright 2017 EntIT Software LLC, a Micro Focus company, L.P.
 *     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 com.hp.octane.integrations.utils;

import java.time.Instant;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;

public class SdkStringUtils {

    public static String strip(String str, String stripChars) {
        if (isEmpty(str)) {
            return str;
        } else {
            return stripEnd(stripStart(str, stripChars), stripChars);
        }
    }

    public static String stripStart(String str, String stripChars) {
        int strLen;
        if (str != null && (strLen = str.length()) != 0) {
            int start = 0;
            if (stripChars == null) {
                while (start != strLen && Character.isWhitespace(str.charAt(start))) {
                    ++start;
                }
            } else {
                if (stripChars.length() == 0) {
                    return str;
                }

                while (start != strLen && stripChars.indexOf(str.charAt(start)) != -1) {
                    ++start;
                }
            }

            return str.substring(start);
        } else {
            return str;
        }
    }

    public static String stripEnd(String str, String stripChars) {
        int end;
        if (str != null && (end = str.length()) != 0) {
            if (stripChars == null) {
                while (end != 0 && Character.isWhitespace(str.charAt(end - 1))) {
                    --end;
                }
            } else {
                if (stripChars.length() == 0) {
                    return str;
                }

                while (end != 0 && stripChars.indexOf(str.charAt(end - 1)) != -1) {
                    --end;
                }
            }

            return str.substring(0, end);
        } else {
            return str;
        }
    }

    public static boolean isEmpty(String str) {
        return str == null || str.length() == 0;
    }

    public static boolean isNotEmpty(String str) {
        return !isEmpty(str);
    }

    public static String join(Collection collection, String separator) {
        if (collection == null) {
            return null;
        }

        StringBuffer buffer = new StringBuffer();

        for (Iterator iterator = collection.iterator(); iterator.hasNext(); buffer.append(iterator.next().toString())) {
            if (buffer.length() != 0) {
                buffer.append(separator);
            }
        }

        return buffer.toString();
    }

    public static String join(String[] collection, String separator) {
        return join(Arrays.asList(collection), separator);
    }

    public static boolean equals(String str1, String str2) {
        return str1 == null ? str2 == null : str1.equals(str2);
    }

    public static boolean equalsIgnoreCase(String str1, String str2) {
        return str1 == null ? str2 == null : str1.equalsIgnoreCase(str2);
    }

}