| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.domain; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | import org.jclouds.util.Patterns; |
| 24 | |
| 25 | /** |
| 26 | * |
| 27 | * As String is final, using a different marker to imply this is a json object |
| 28 | * |
| 29 | * @author Adrian Cole |
| 30 | * @see <a href="http://code.google.com/p/google-gson/issues/detail?id=326"/> |
| 31 | */ |
| 32 | public class JsonBall implements java.io.Serializable, Comparable<String>, CharSequence { |
| 33 | |
| 34 | private static final long serialVersionUID = -8168997021767065199L; |
| 35 | private final String value; |
| 36 | |
| 37 | @Override |
| 38 | public boolean equals(Object obj) { |
| 39 | if (this == obj) |
| 40 | return true; |
| 41 | if (obj == null) |
| 42 | return false; |
| 43 | if (getClass() != obj.getClass()) |
| 44 | return false; |
| 45 | JsonBall other = (JsonBall) obj; |
| 46 | if (value == null) { |
| 47 | if (other.value != null) |
| 48 | return false; |
| 49 | } else if (!value.equals(other.value)) |
| 50 | return false; |
| 51 | return true; |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public int hashCode() { |
| 56 | final int prime = 31; |
| 57 | int result = 1; |
| 58 | result = prime * result + ((value == null) ? 0 : value.hashCode()); |
| 59 | return result; |
| 60 | } |
| 61 | |
| 62 | @Override |
| 63 | public String toString() { |
| 64 | return value; |
| 65 | } |
| 66 | |
| 67 | public JsonBall(double value) { |
| 68 | this.value = value + ""; |
| 69 | } |
| 70 | |
| 71 | public JsonBall(int value) { |
| 72 | this.value = value + ""; |
| 73 | } |
| 74 | |
| 75 | public JsonBall(long value) { |
| 76 | this.value = value + ""; |
| 77 | } |
| 78 | |
| 79 | public JsonBall(String value) { |
| 80 | this.value = quoteStringIfNotNumber(checkNotNull(value, "value")); |
| 81 | } |
| 82 | |
| 83 | static String quoteStringIfNotNumber(String in) { |
| 84 | if (Patterns.JSON_STRING_PATTERN.matcher(in).find() && !Patterns.JSON_NUMBER_PATTERN.matcher(in).find()) { |
| 85 | return "\"" + in + "\""; |
| 86 | } |
| 87 | return in; |
| 88 | } |
| 89 | |
| 90 | @Override |
| 91 | public char charAt(int index) { |
| 92 | return value.charAt(index); |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public int length() { |
| 97 | return value.length(); |
| 98 | } |
| 99 | |
| 100 | @Override |
| 101 | public CharSequence subSequence(int start, int end) { |
| 102 | return value.subSequence(start, end); |
| 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public int compareTo(String o) { |
| 107 | return value.compareTo(o); |
| 108 | } |
| 109 | |
| 110 | } |