| /* |
| * 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.johnzon.core; |
| |
| import javax.json.JsonArray; |
| import javax.json.JsonObject; |
| import javax.json.JsonString; |
| import java.io.Serializable; |
| |
| final class JsonStringImpl implements JsonString, Serializable { |
| private final String value; |
| private String escape; |
| private transient Integer hashCode = null; |
| |
| |
| JsonStringImpl(final String value) { |
| if(value == null) { |
| throw new NullPointerException("value must not be null"); |
| } |
| |
| this.value = value; |
| } |
| |
| @Override |
| public String getString() { |
| return value; |
| } |
| |
| @Override |
| public CharSequence getChars() { |
| return value; |
| } |
| |
| @Override |
| public ValueType getValueType() { |
| return ValueType.STRING; |
| } |
| |
| @Override |
| public String toString() { |
| String s = escape; |
| if (s == null) { |
| s = JsonChars.QUOTE_CHAR+Strings.escape(value)+JsonChars.QUOTE_CHAR; |
| escape=s; |
| } |
| return s; |
| } |
| |
| @Override |
| public int hashCode() { |
| Integer h = hashCode; |
| if (h == null) { |
| h = value.hashCode(); |
| hashCode=h; |
| } |
| return h; |
| } |
| |
| @Override |
| public boolean equals(final Object obj) { |
| return JsonString.class.isInstance(obj) && JsonString.class.cast(obj).getString().equals(value); |
| } |
| |
| @Override |
| public JsonObject asJsonObject() { |
| return JsonObject.class.cast(this); |
| } |
| |
| @Override |
| public JsonArray asJsonArray() { |
| return JsonArray.class.cast(this); |
| } |
| } |