Add U.objectBuilder().

Author: javadev

.travis.yml

@@ -22,5 +22,4 @@ before_script:
 after_success:
   - codecov
   - python <(curl -s https://raw.githubusercontent.com/TouK/sputnik-ci/master/sputnik-ci.py)
-  - test $TRAVIS_BRANCH = "master" 
-    mvn sonar:sonar -Dsonar.projectKey=javadev_underscore-java -Dsonar.organization=javadev-github -Dsonar.host.url=https://sonarcloud.io -Dsonar.login=$SONAR_LOGIN
+  - mvn sonar:sonar -Dsonar.projectKey=javadev_underscore-java -Dsonar.organization=javadev-github -Dsonar.host.url=https://sonarcloud.io -Dsonar.login=$SONAR_LOGIN

src/main/java/com/github/underscore/lodash/U.java

@@ -2251,4 +2251,54 @@ private static Object makeObjectSelfClose(Object value) {
         return result;
     }
 
+    public static Builder objectBuilder() {
+        return new U.Builder();
+    }
+
+    public static class Builder {
+        private final Map<String, Object> data;
+        public Builder() {
+            data = newLinkedHashMap();
+        }
+
+        public Builder add(final String key, final Object value) {
+            data.put(key, value);
+            return this;
+        }
+
+        public Builder add(final Object value) {
+            data.put(String.valueOf(data.size()), value);
+            return this;
+        }
+
+        public Builder add(final Builder builder) {
+            data.putAll(builder.data);
+            return this;
+        }
+
+        @SuppressWarnings("unchecked")
+        public Map<String, Object> build() {
+            return (Map<String, Object>) ((LinkedHashMap) data).clone();
+        }
+
+        public String toXml() {
+            return Xml.toXml(data);
+        }
+
+        public static Builder fromXml(final String xml) {
+            final Builder builder = new Builder();
+            builder.data.putAll(fromXmlMap(xml));
+            return builder;
+        }
+
+        public String toJson() {
+            return Xml.toXml(data);
+        }
+
+        public static Builder fromJson(final String json) {
+            final Builder builder = new Builder();
+            builder.data.putAll(fromJsonMap(json));
+            return builder;
+        }
+    }
 }

src/test/java/com/github/underscore/lodash/LodashTest.java

@@ -754,6 +754,18 @@ public void removeMinusesAndConvertNumbers() {
         assertEquals("{list=[[]]}", result10.toString());
     }
 
+
+    @Test
+    public void objectBuilder() {
+        U.Builder builder = U.objectBuilder().add("1", "2").add("2");
+        builder.add(builder);
+        builder.toJson();
+        U.Builder.fromJson("{}");
+        builder.toXml();
+        U.Builder.fromXml("<a/>");
+        assertEquals("{1=2}", builder.build().toString());
+    }
+
     @SuppressWarnings("unchecked")
     @Test
     public void main() {
@@ -1021,6 +1033,7 @@ public void sqlru1() {
 
     @Test
     public void sqlru2() {
+        // https://www.sql.ru/forum/1321326/kolichestvo-naydennyh-slov-v-stroke
         assertEquals(2, U.countBy(U.words("Маша ищет Мишу а Миша ищет Машу")).get("ищет").intValue());
     }
 }