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Diffstat (limited to 'service/src/main/java/org/onap/vfc/nfvo/multivimproxy/common/util/StringUtil.java')
| -rw-r--r-- | service/src/main/java/org/onap/vfc/nfvo/multivimproxy/common/util/StringUtil.java | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/common/util/StringUtil.java b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/common/util/StringUtil.java new file mode 100644 index 0000000..3692d46 --- /dev/null +++ b/service/src/main/java/org/onap/vfc/nfvo/multivimproxy/common/util/StringUtil.java @@ -0,0 +1,209 @@ +/* + * Copyright 2016 Huawei Technologies Co., Ltd. + * + * 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.onap.vfc.nfvo.multivimproxy.common.util; + +import java.math.BigDecimal; +import java.text.DecimalFormat; + +import org.apache.commons.lang.StringUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * + * String Utility Class.<br> + * <p> + * </p> + * + * @author + * @version VFC 1.0 Sep 10, 2016 + */ +public final class StringUtil { + + private static final Logger LOGGER = LoggerFactory.getLogger(StringUtil.class); + + private StringUtil() { + } + + /** + * + * Check whether thestring is valid.<br> + * + * @param str + * @return + * @since VFC 1.0 + */ + public static boolean isValidString(String str) { + if(null == str || str.isEmpty()) { + return false; + } + return true; + } + + /** + * + * Check whether the value is larger than zero.<br> + * + * @param strs + * @return + * @since VFC 1.0 + */ + public static boolean isAnyLargeThanZero(String... strs) { + for(String str : strs) { + if(!StringUtils.isEmpty(str) && Float.parseFloat(str) > 0) { + LOGGER.info("isAnyLargeThanZero : {} is > 0", str); + return true; + } + } + return false; + } + + /** + * + * Check whether the value is Integer.<br> + * + * @param strs + * @return + * @since VFC 1.0 + */ + public static boolean isInteger(String... strs) { + try { + for(String str : strs) { + if(!StringUtils.isEmpty(str) && Integer.parseInt(str) < 0) { + return false; + } + } + } catch(NumberFormatException e) { + return false; + } + return true; + } + + /** + * + * Check whether the input is Numeric.<br> + * + * @param strs + * @return + * @since VFC 1.0 + */ + public static boolean isNumeric(String... strs) { + try { + for(String str : strs) { + if(!StringUtils.isEmpty(str) && Float.parseFloat(str) < 0) { + return false; + } + } + } catch(NumberFormatException e) { + return false; + } + return true; + } + + /** + * + * Compare zero by float.<br> + * + * @param tatol + * @param used + * @param drTotal + * @return + * @since VFC 1.0 + */ + public static boolean compareZeroByFloat(String tatol, String used, String drTotal) { + Float ftotal = (float)0; + Float fused = (float)0; + Float fdrTotal = (float)0; + if(!StringUtils.isEmpty(tatol)) { + ftotal = new Float(tatol); + } + if(!StringUtils.isEmpty(used)) { + fused = new Float(used); + } + if(!StringUtils.isEmpty(drTotal)) { + fdrTotal = new Float(drTotal); + } + if(ftotal < fused + fdrTotal) { + return false; + } + + return true; + } + + /** + * + * Compare zero by integer.<br> + * + * @param tatol + * @param used + * @param drTotal + * @return + * @since VFC 1.0 + */ + public static boolean compareZeroByInteger(String tatol, String used, String drTotal) { + Integer ftotal = 0; + Integer fused = 0; + Integer fdrTotal = 0; + if(!StringUtils.isEmpty(tatol)) { + ftotal = Integer.valueOf(tatol); + } + if(!StringUtils.isEmpty(used)) { + fused = Integer.valueOf(used); + } + if(!StringUtils.isEmpty(drTotal)) { + fdrTotal = Integer.valueOf(drTotal); + } + if(ftotal < fused + fdrTotal) { + return false; + } + return true; + } + + /** + * + * Number format.<br> + * + * @param data + * @return + * @since VFC 1.0 + */ + public static String numFormat(String data) { + if(null != data && !("".equals(data))) { + BigDecimal var = new BigDecimal(data); + DecimalFormat formatWithoutFraction = new DecimalFormat("############"); + DecimalFormat formatWithFraction = new DecimalFormat("############.############"); + if(new BigDecimal(var.intValue()).compareTo(var) == 0) { + return formatWithoutFraction.format(var); + } + return formatWithFraction.format(var); + } + return null; + } + + /** + * + * <br> + * + * @param inputStr + * @return + * @since VFC 1.0 + */ + public static boolean checkXss(String inputStr) { + return inputStr.matches("[A-Za-z0-9_.']+"); + } + +} |