diff options
Diffstat (limited to 'app-c/appc/appc-common/src/main/java/org/openecomp/appc/util/MessageFormatter.java')
-rw-r--r-- | app-c/appc/appc-common/src/main/java/org/openecomp/appc/util/MessageFormatter.java | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/app-c/appc/appc-common/src/main/java/org/openecomp/appc/util/MessageFormatter.java b/app-c/appc/appc-common/src/main/java/org/openecomp/appc/util/MessageFormatter.java new file mode 100644 index 000000000..39c9a67e3 --- /dev/null +++ b/app-c/appc/appc-common/src/main/java/org/openecomp/appc/util/MessageFormatter.java @@ -0,0 +1,83 @@ +/*- + * ============LICENSE_START======================================================= + * openECOMP : APP-C + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. 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. + * ============LICENSE_END========================================================= + */ + +package org.openecomp.appc.util; + +import org.apache.commons.lang3.StringUtils; + +import java.util.*; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + + +public class MessageFormatter { + private final static String paramNameRegexGroupName = "paramName"; + private final static String paramRegex = "\\$\\{(?<paramName>[^}$]+)\\}"; //start with ${ and after there is one or more characters that are not $ and not } and ended with } + + + public static String format(String messageTemplate, Map<String,Object> params) { + if (StringUtils.isEmpty(messageTemplate)) + return ""; + if (params == null || params.isEmpty()) + return messageTemplate; + + String formattedMessage = messageTemplate; + if (formattedMessage.contains("$")) { + for (Map.Entry<String, Object> entry : params.entrySet()) { + formattedMessage = formattedMessage.replaceAll("\\$\\{" + entry.getKey() + "\\}", String.valueOf(entry.getValue())); + } +/* } else { + StringBuilder builder = new StringBuilder(formattedMessage); + builder.append("; output params: ["); + for (Map.Entry<String, Object> entry : params.entrySet()) { + builder.append(entry.getKey()).append(":").append(String.valueOf(entry.getValue())).append("; "); + } + builder.append("]"); + formattedMessage = builder.toString();*/ + } + + return formattedMessage; + } + + public static List<String> getParamsNamesList(String messageTemplate) { + List<String> paramsNames = null; + if(!StringUtils.isEmpty(messageTemplate)){ + paramsNames = new ArrayList<String>(); + Matcher m = Pattern.compile(paramRegex).matcher(messageTemplate); + while (m.find()) { + String paramName = m.group(paramNameRegexGroupName); + paramsNames.add(paramName); + } + } + return paramsNames; + } + public static Set<String> getParamsNamesSet(String messageTemplate) { + List<String> paramsNamesList = getParamsNamesList(messageTemplate); + Set<String> paramsNamesSet = null; + if(paramsNamesList != null && !paramsNamesList.isEmpty()){ + paramsNamesSet = new HashSet<String>(); + for(String paramName : paramsNamesList){ + paramsNamesSet.add(paramName); + } + } + return paramsNamesSet; + } +} |