style: optimised delegator

webcal/src/main/java/com/onixbyte/icalendar/property/parameter/Delegator.java

@@ -17,9 +17,13 @@
 
 package com.onixbyte.icalendar.property.parameter;
 
+import com.onixbyte.icalendar.datatype.CalendarUserAddress;
 import com.onixbyte.icalendar.property.CalendarResolvable;
 
 import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Supplier;
 
 /**
  * Delegator
@@ -30,35 +34,58 @@ public final class Delegator implements PropertyParameter {
 
     private static final String PROPERTY_NAME = "DELEGATED-FROM";
 
-    private URI calendarUserAddress;
+    private List<CalendarUserAddress> value;
 
-    private Delegator() {
+    private Delegator(List<CalendarUserAddress> value) {
+        this.value = value;
     }
 
-    private Delegator setCalendarUserAddress(String calendarUserAddress) {
+    public static Builder builder() {
-        this.calendarUserAddress = URI.create(calendarUserAddress);
+        return new Builder();
-        return this;
     }
 
-    private Delegator setCalendarUserAddress(URI calendarUserAddress) {
+    public static class Builder {
-        this.calendarUserAddress = calendarUserAddress;
+        private List<CalendarUserAddress> value;
-        return this;
-    }
 
-    private static Delegator initialiseInstance() {
+        private Builder() {
-        return new Delegator();
+            value = new ArrayList<>();
-    }
+        }
 
-    public static Delegator createInstance(String calendarUserAddress) {
+        public Builder addDelegator(CalendarUserAddress delegator) {
-        return initialiseInstance().setCalendarUserAddress(calendarUserAddress);
+            value.add(delegator);
-    }
+            return this;
+        }
 
-    public static Delegator createInstance(URI calendarUserAddress) {
+        public Builder addDelegator(String delegator) {
-        return initialiseInstance().setCalendarUserAddress(calendarUserAddress);
+            value.add(new CalendarUserAddress(delegator));
+            return this;
+        }
+
+        public Builder addDelegator(URI delegator) {
+            value.add(new CalendarUserAddress(delegator));
+            return this;
+        }
+
+        public Builder addDelegators(List<CalendarUserAddress> delegators) {
+            value.addAll(delegators);
+            return this;
+        }
+
+        public Builder addDelegators(Supplier<List<CalendarUserAddress>> delegators) {
+            value.addAll(delegators.get());
+            return this;
+        }
+
+        public Delegator build() {
+            return new Delegator(value);
+        }
     }
 
     @Override
     public String resolve() {
-        return PROPERTY_NAME + "=\"" + calendarUserAddress + "\"";
+        return PROPERTY_NAME + "=\"" + String.join(",", value
+                .stream()
+                .map((_value) -> "\"" + _value + "\"")
+                .toList()) + "\"";
     }
 }

webcal/src/test/java/com/onixbyte/icalendar/test/DelegateeTest.java

@@ -1,125 +0,0 @@
-/*
- * Copyright (C) 2024-2024 OnixByte.
- *
- * Licensed 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 com.onixbyte.icalendar.test;
-
-import com.onixbyte.icalendar.datatype.CalendarUserAddress;
-import com.onixbyte.icalendar.property.parameter.Delegatee;
-import lombok.extern.slf4j.Slf4j;
-import org.junit.jupiter.api.Test;
-
-import java.net.URI;
-import java.util.List;
-import java.util.stream.Stream;
-
-@Slf4j
-public class DelegateeTest {
-
-    @Test
-    void testAddStringDelegatee() {
-        var delegatee = Delegatee.builder()
-                .addDelegatee("mailto:user01@example.onixbyte.com")
-                .build()
-                .resolve();
-        log.info("#testAddStringDelegatee {}", delegatee);
-    }
-
-    @Test
-    void testAddUriDelegatee() {
-        var delegatee = Delegatee.builder()
-                .addDelegatee(URI.create("mailto:user01@example.onixbyte.com"))
-                .build()
-                .resolve();
-        log.info("#testAddUriDelegatee {}", delegatee);
-    }
-
-    @Test
-    void testAddCauDelegateeWithStringConstructor() {
-        var delegatee = Delegatee.builder()
-                .addDelegatee(new CalendarUserAddress("mailto:user01@example.onixbyte.com"))
-                .build()
-                .resolve();
-        log.info("#testAddCauDelegateeWithStringConstructor {}", delegatee);
-    }
-
-    @Test
-    void testAddCauDelegateeWithUriConstructor() {
-        var delegatee = Delegatee.builder()
-                .addDelegatee(new CalendarUserAddress(URI.create("mailto:user01@example.onixbyte.com")))
-                .build()
-                .resolve();
-        log.info("#testAddCauDelegateeWithUriConstructor {}", delegatee);
-    }
-
-    @Test
-    void testAddDelegateeSeparately() {
-        var delegatee = Delegatee.builder()
-                .addDelegatee(new CalendarUserAddress(URI.create("mailto:user01@example.onixbyte.com")))
-                .addDelegatee(URI.create("mailto:user02@example.onixbyte.com"))
-                .addDelegatee("mailto:user03@example.onixbyte.com")
-                .build()
-                .resolve();
-        log.info("#testAddDelegateeSeparately {}", delegatee);
-    }
-
-    @Test
-    void testAddDelegateeSeparatelyWithIncorrectUri() {
-        try {
-            var delegatee = Delegatee.builder()
-                    .addDelegatee(new CalendarUserAddress(URI.create("mailto:user01@example.onixbyte.com")))
-                    .addDelegatee(URI.create("mailto:user02@example.onixbyte.com"))
-                    .addDelegatee("https://example.onixbyte.com")
-                    .build()
-                    .resolve();
-            log.info("#testAddDelegateeSeparatelyWithIncorrectUri {}", delegatee);
-        } catch (IllegalArgumentException iae) {
-            log.error("#testAddDelegateeSeparatelyWithIncorrectUri {}", iae.getMessage());
-        }
-    }
-
-    @Test
-    void testAddDelegateesWithCau() {
-        try {
-            var delegatee = Delegatee.builder()
-                    .addDelegatees(List.of(
-                            new CalendarUserAddress("mailto:user01@example.onixbyte.com"),
-                            new CalendarUserAddress("mailto:user02@example.onixbyte.com")
-                    ))
-                    .build()
-                    .resolve();
-            log.info("#testAddDelegateesWithCau {}", delegatee);
-        } catch (IllegalArgumentException iae) {
-            log.error("#testAddDelegateesWithCau {}", iae.getMessage());
-        }
-    }
-
-    @Test
-    void testAddDelegateesWithSupplier() {
-        try {
-            var delegatee = Delegatee.builder()
-                    .addDelegatees(() -> Stream.of("mailto:user01@example.onixbyte.com", "mailto:user02@example.onixbyte.com")
-                            .map(CalendarUserAddress::new)
-                            .toList())
-                    .build()
-                    .resolve();
-            log.info("#testAddDelegateesWithSupplier {}", delegatee);
-        } catch (IllegalArgumentException iae) {
-            log.error("#testAddDelegateesWithSupplier {}", iae.getMessage());
-        }
-    }
-
-}