| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.cxf.dosgi.common.util; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public final class StringPlus { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(StringPlus.class); |
| |
| private StringPlus() { |
| // never constructed |
| } |
| |
| @SuppressWarnings("rawtypes") |
| public static String[] normalize(Object object) { |
| if (object instanceof String) { |
| String s = (String)object; |
| String[] values = s.split(","); |
| List<String> list = new ArrayList<String>(); |
| for (String val : values) { |
| String actualValue = val.trim(); |
| if (!actualValue.isEmpty()) { |
| list.add(actualValue); |
| } |
| } |
| return list.toArray(new String[list.size()]); |
| } |
| |
| if (object instanceof String[]) { |
| return (String[])object; |
| } |
| |
| if (object instanceof Collection) { |
| Collection col = (Collection)object; |
| List<String> ar = new ArrayList<String>(col.size()); |
| for (Object o : col) { |
| if (o instanceof String) { |
| String s = (String)o; |
| ar.add(s); |
| } else { |
| LOG.warn("stringPlus contained non string element in list! Element was skipped"); |
| } |
| } |
| return ar.toArray(new String[ar.size()]); |
| } |
| |
| return null; |
| } |
| |
| } |