| /** |
| * Copyright 2010 The Apache Software Foundation |
| * |
| * 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.hadoop.hbase.util; |
| |
| /** |
| * Utility for Strings. |
| */ |
| public class Strings { |
| public final static String DEFAULT_SEPARATOR = "="; |
| public final static String DEFAULT_KEYVALUE_SEPARATOR = ", "; |
| |
| /** |
| * Append to a StringBuilder a key/value. |
| * Uses default separators. |
| * @param sb StringBuilder to use |
| * @param key Key to append. |
| * @param value Value to append. |
| * @return Passed <code>sb</code> populated with key/value. |
| */ |
| public static StringBuilder appendKeyValue(final StringBuilder sb, |
| final String key, final Object value) { |
| return appendKeyValue(sb, key, value, DEFAULT_SEPARATOR, |
| DEFAULT_KEYVALUE_SEPARATOR); |
| } |
| |
| /** |
| * Append to a StringBuilder a key/value. |
| * Uses default separators. |
| * @param sb StringBuilder to use |
| * @param key Key to append. |
| * @param value Value to append. |
| * @param separator Value to use between key and value. |
| * @param keyValueSeparator Value to use between key/value sets. |
| * @return Passed <code>sb</code> populated with key/value. |
| */ |
| public static StringBuilder appendKeyValue(final StringBuilder sb, |
| final String key, final Object value, final String separator, |
| final String keyValueSeparator) { |
| if (sb.length() > 0) { |
| sb.append(keyValueSeparator); |
| } |
| return sb.append(key).append(separator).append(value); |
| } |
| } |