feat(QTDI-2215):deserialize a json to a Schema instance

component-server-parent/component-server-model/pom.xml

@@ -76,4 +76,4 @@
       </plugin>
     </plugins>
   </build>
-</project>
+</project>

component-server-parent/component-server-model/src/main/java/org/talend/sdk/component/server/front/model/Entry.java

@@ -0,0 +1,107 @@
+/**
+ * Copyright (C) 2006-2025 Talend Inc. - www.talend.com
+ *
+ * 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 org.talend.sdk.component.server.front.model;
+
+import java.beans.ConstructorProperties;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import lombok.Data;
+
+@Data
+public final class Entry {
+
+    private final String name;
+
+    private final String rawName;
+
+    private final Schema.Type type;
+
+    private final boolean nullable;
+
+    private final boolean metadata;
+
+    private final boolean errorCapable;
+
+    private final boolean valid;
+
+    private final Schema elementSchema;
+
+    private final String comment;
+
+    private final Map<String, String> props = new LinkedHashMap<>(0);
+
+    private final Object defaultValue;
+
+    @ConstructorProperties({ "name", "rawName", "type", "nullable", "metadata", "errorCapable",
+            "valid", "elementSchema", "comment", "props", "defaultValue" })
+    // Checkstyle off to let have 11 parameters to this constructor (normally 10 max)
+    // CHECKSTYLE:OFF
+    public Entry(
+            final String name,
+            final String rawName,
+            final Schema.Type type,
+            final boolean nullable,
+            final boolean metadata,
+            final boolean errorCapable,
+            final boolean valid,
+            final Schema elementSchema,
+            final String comment,
+            final Map<String, String> props,
+            final Object defaultValue) {
+        // CHECKSTYLE:ON
+        this.name = name;
+        this.rawName = rawName;
+        this.type = type;
+        this.nullable = nullable;
+        this.metadata = metadata;
+        this.errorCapable = errorCapable;
+        this.valid = valid;
+        this.elementSchema = elementSchema;
+        this.comment = comment;
+        this.props.putAll(props);
+        this.defaultValue = defaultValue;
+    }
+
+    private Object getInternalDefaultValue() {
+        return defaultValue;
+    }
+
+    @SuppressWarnings("unchecked")
+    public <T> T getDefaultValue() {
+        if (defaultValue == null) {
+            return null;
+        }
+
+        return switch (this.getType()) {
+            case INT -> (T) ((Integer) ((Number) this.getInternalDefaultValue()).intValue());
+            case LONG -> (T) ((Long) ((Number) this.getInternalDefaultValue()).longValue());
+            case FLOAT -> (T) ((Float) ((Number) this.getInternalDefaultValue()).floatValue());
+            case DOUBLE -> (T) ((Double) ((Number) this.getInternalDefaultValue()).doubleValue());
+            default -> (T) this.getInternalDefaultValue();
+        };
+
+    }
+
+    public String getOriginalFieldName() {
+        return rawName != null ? rawName : name;
+    }
+
+    public String getProp(final String key) {
+        return this.props.get(key);
+    }
+
+}

component-server-parent/component-server-model/src/main/java/org/talend/sdk/component/server/front/model/Schema.java

@@ -0,0 +1,101 @@
+/**
+ * Copyright (C) 2006-2025 Talend Inc. - www.talend.com
+ *
+ * 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 org.talend.sdk.component.server.front.model;
+
+import java.beans.ConstructorProperties;
+import java.math.BigDecimal;
+import java.time.temporal.Temporal;
+import java.util.Collection;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+
+import lombok.Data;
+
+@Data
+public final class Schema {
+
+    private final Type type;
+
+    private final Schema elementSchema;
+
+    private final List<Entry> entries;
+
+    private final List<Entry> metadata;
+
+    private final Map<String, String> props;
+
+    @ConstructorProperties({ "type", "elementSchema", "entries", "metadata", "props" })
+    public Schema(
+            final Type type,
+            final Schema elementSchema,
+            final List<Entry> entries,
+            final List<Entry> metadata,
+            final Map<String, String> props) {
+        this.type = type;
+        this.elementSchema = elementSchema;
+        this.entries = entries;
+        this.metadata = metadata;
+        this.props = props;
+    }
+
+    public String getProp(final String key) {
+        return this.props.get(key);
+    }
+
+    public enum Type {
+
+        RECORD(new Class<?>[] { Record.class }),
+        ARRAY(new Class<?>[] { Collection.class }),
+        STRING(new Class<?>[] { String.class, Object.class }),
+        BYTES(new Class<?>[] { byte[].class, Byte[].class }),
+        INT(new Class<?>[] { Integer.class }),
+        LONG(new Class<?>[] { Long.class }),
+        FLOAT(new Class<?>[] { Float.class }),
+        DOUBLE(new Class<?>[] { Double.class }),
+        BOOLEAN(new Class<?>[] { Boolean.class }),
+        DATETIME(new Class<?>[] { Long.class, Date.class, Temporal.class }),
+        DECIMAL(new Class<?>[] { BigDecimal.class });
+
+        /**
+         * All compatibles Java classes
+         */
+        private final Class<?>[] classes;
+
+        Type(final Class<?>[] classes) {
+            this.classes = classes;
+        }
+
+        /**
+         * Check if input can be affected to an entry of this type.
+         *
+         * @param input : object.
+         *
+         * @return true if input is null or ok.
+         */
+        public boolean isCompatible(final Object input) {
+            if (input == null) {
+                return true;
+            }
+            for (final Class<?> clazz : classes) {
+                if (clazz.isInstance(input)) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}

component-server-parent/component-server/pom.xml

@@ -63,11 +63,6 @@
       <artifactId>component-runtime-design-extension</artifactId>
       <version>${project.version}</version>
     </dependency>
-    <dependency>
-      <groupId>org.talend.sdk.component</groupId>
-      <artifactId>component-server-api</artifactId>
-      <version>${project.version}</version>
-    </dependency>
     <dependency>
       <groupId>org.talend.sdk.component</groupId>
       <artifactId>vault-client</artifactId>
@@ -191,13 +186,23 @@
       <version>${project.version}</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.talend.sdk.component</groupId>
+      <artifactId>component-server-api</artifactId>
+      <version>${project.version}</version>
+    </dependency>
     <dependency>
       <groupId>org.talend.sdk.component</groupId>
       <artifactId>component-form-core</artifactId>
       <version>${project.version}</version>
       <scope>test</scope>
     </dependency>
-
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-databind</artifactId>
+      <version>${jackson.version}</version>
+      <scope>test</scope>
+    </dependency>
   </dependencies>
 
   <build>
@@ -493,4 +498,4 @@
       </build>
     </profile>
   </profiles>
-</project>
+</project>