001/* 002 * oauth2-oidc-sdk 003 * 004 * Copyright 2012-2016, Connect2id Ltd and contributors. 005 * 006 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use 007 * this file except in compliance with the License. You may obtain a copy of the 008 * License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software distributed 013 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR 014 * CONDITIONS OF ANY KIND, either express or implied. See the License for the 015 * specific language governing permissions and limitations under the License. 016 */ 017 018package com.nimbusds.openid.connect.sdk.federation.policy.operations; 019 020 021import java.util.Collections; 022import java.util.LinkedList; 023import java.util.List; 024 025import com.nimbusds.oauth2.sdk.ParseException; 026import com.nimbusds.oauth2.sdk.util.JSONUtils; 027import com.nimbusds.openid.connect.sdk.federation.policy.language.*; 028 029 030/** 031 * Add (add) operation. 032 * 033 * <p>Example policy: 034 * 035 * <pre> 036 * "contacts" : { "add" : "[email protected]" } 037 * </pre> 038 * 039 * <p>Input: 040 * 041 * <pre> 042 * "contacts" : "[email protected]" 043 * </pre> 044 * 045 * <p>Result: 046 * 047 * <pre> 048 * "contacts" : [ "[email protected]", "[email protected]" ] 049 * </pre> 050 * 051 * <p>Related specifications: 052 * 053 * <ul> 054 * <li>OpenID Connect Federation 1.0, section 4.1.4. 055 * </ul> 056 */ 057public class AddOperation extends AbstractSetBasedOperation implements StringConfiguration, StringListOperation { 058 059 060 public static final OperationName NAME = new OperationName("add"); 061 062 063 @Override 064 public OperationName getOperationName() { 065 return NAME; 066 } 067 068 069 @Override 070 public void configure(final String parameter) { 071 configure(Collections.singletonList(parameter)); 072 } 073 074 075 @Override 076 public void parseConfiguration(final Object jsonEntity) throws ParseException { 077 078 if (jsonEntity instanceof String) { 079 configure(JSONUtils.toString(jsonEntity)); 080 } else { 081 // String list 082 super.parseConfiguration(jsonEntity); 083 } 084 } 085 086 087 @Override 088 public String getStringConfiguration() { 089 return getStringListConfiguration().get(0); 090 } 091 092 093 @Override 094 public PolicyOperation merge(final PolicyOperation other) 095 throws PolicyViolationException { 096 097 AddOperation otherTyped = Utils.castForMerge(other, AddOperation.class); 098 099 List<String> combined = new LinkedList<>(); 100 combined.addAll(getStringListConfiguration()); 101 combined.addAll(otherTyped.getStringListConfiguration()); 102 103 AddOperation mergedPolicy = new AddOperation(); 104 mergedPolicy.configure(combined); 105 return mergedPolicy; 106 } 107 108 109 @Override 110 public List<String> apply(final List<String> value) { 111 112 if (setConfig == null) { 113 throw new IllegalStateException("The policy is not initialized"); 114 } 115 116 if (value == null) { 117 return Collections.unmodifiableList(new LinkedList<>(setConfig)); 118 } 119 120 List<String> result = new LinkedList<>(value); 121 result.addAll(setConfig); 122 return result; 123 } 124}