001package org.hl7.fhir.dstu2.model; 002 003/* 004 Copyright (c) 2011+, HL7, Inc. 005 All rights reserved. 006 007 Redistribution and use in source and binary forms, with or without modification, 008 are permitted provided that the following conditions are met: 009 010 * Redistributions of source code must retain the above copyright notice, this 011 list of conditions and the following disclaimer. 012 * Redistributions in binary form must reproduce the above copyright notice, 013 this list of conditions and the following disclaimer in the documentation 014 and/or other materials provided with the distribution. 015 * Neither the name of HL7 nor the names of its contributors may be used to 016 endorse or promote products derived from this software without specific 017 prior written permission. 018 019 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 020 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 021 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 022 IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 023 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 024 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 025 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 026 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 027 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 028 POSSIBILITY OF SUCH DAMAGE. 029 030 */ 031 032import org.apache.commons.lang3.StringUtils; 033import ca.uhn.fhir.model.api.annotation.DatatypeDef; 034 035/** 036 * Primitive type "string" in FHIR - any sequence of unicode characters less 037 * than 1MB in length 038 */ 039@DatatypeDef(name = "string") 040public class StringType extends PrimitiveType<String> { 041 042 private static final long serialVersionUID = 3L; 043 044 /** 045 * Create a new String 046 */ 047 public StringType() { 048 super(); 049 } 050 051 /** 052 * Create a new String 053 */ 054 public StringType(String theValue) { 055 setValue(theValue); 056 } 057 058 /** 059 * Returns the value of this StringType, or an empty string ("") if the value is 060 * <code>null</code>. This method is provided as a convenience to users of this 061 * API. 062 */ 063 public String getValueNotNull() { 064 return StringUtils.defaultString(getValue()); 065 } 066 067 /** 068 * Returns the value of this string, or <code>null</code> if no value is present 069 */ 070 @Override 071 public String toString() { 072 return getValue(); 073 } 074 075 @Override 076 protected String parse(String theValue) { 077 return theValue; 078 } 079 080 @Override 081 protected String encode(String theValue) { 082 return theValue; 083 } 084 085 @Override 086 public StringType copy() { 087 return new StringType(getValue()); 088 } 089 090 public String fhirType() { 091 return "string"; 092 } 093 094}