want to access the parsed and un-converted yaml

Author: hauner

src/main/groovy/com/github/hauner/openapi/spring/generatr/MappingReader.groovy

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2020 the original authors
+ *
+ * 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.github.hauner.openapi.spring.generatr
+
+import com.fasterxml.jackson.databind.DeserializationFeature
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.databind.PropertyNamingStrategy
+import com.fasterxml.jackson.databind.module.SimpleModule
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory
+import com.github.hauner.openapi.spring.generatr.mapping.Mapping
+import com.github.hauner.openapi.spring.generatr.mapping.Parameter
+import com.github.hauner.openapi.spring.generatr.mapping.ParameterDeserializer
+
+import java.util.regex.Pattern
+
+/**
+ *  Reader for mapping yaml.
+ *
+ *  @author Martin Hauner
+ */
+class MappingReader {
+    private Pattern GENERIC_INLINE = ~/(.+?)<(.+?)>/
+
+    Mapping read (String typeMappings) {
+        if (typeMappings == null || typeMappings.empty) {
+            return null
+        }
+
+        String mapping = typeMappings
+        if (isFileName (typeMappings)) {
+            mapping = new File (typeMappings).text
+        }
+
+        def mapper = createYamlParser ()
+
+        mapper.readValue (mapping, Mapping)
+    }
+
+    private ObjectMapper createYamlParser () {
+        SimpleModule module = new SimpleModule ()
+        module.addDeserializer (Parameter, new ParameterDeserializer ())
+
+        new ObjectMapper (new YAMLFactory ())
+            .configure (DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false)
+            .setPropertyNamingStrategy (PropertyNamingStrategy.KEBAB_CASE)
+            .registerModule (module)
+    }
+
+    private boolean isFileName (String name) {
+        name.endsWith ('.yaml') || name.endsWith ('.yml')
+    }
+
+}

src/test/groovy/com/github/hauner/openapi/spring/generatr/MappingReaderSpec.groovy

@@ -0,0 +1,79 @@
+/*
+ * Copyright 2020 the original authors
+ *
+ * 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.github.hauner.openapi.spring.generatr
+
+import org.junit.Rule
+import org.junit.rules.TemporaryFolder
+import spock.lang.Specification
+
+class MappingReaderSpec extends Specification {
+
+    @Rule
+    TemporaryFolder folder
+
+    void "ignores empty type mapping" () {
+        when:
+        def reader = new MappingReader()
+        def mapping = reader.read (yaml)
+
+        then:
+        mapping == null
+
+        where:
+        yaml << [null, ""]
+    }
+
+    void "reads mapping from file" () {
+        def yaml = """\
+openapi-generatr-spring: v1.0
+    
+map:
+  types:
+    - from: array
+      to: java.util.Collection
+"""
+
+        def yamlFile = folder.newFile ("openapi-generatr-spring.yaml")
+        yamlFile.text = yaml
+
+        when:
+        def reader = new MappingReader()
+        def mapping = reader.read (yamlFile.absolutePath)
+
+        then:
+        mapping
+    }
+
+    void "reads mapping from string" () {
+        def yaml = """\
+openapi-generatr-spring: v1.0
+    
+map:
+  types:
+    - from: array
+      to: java.util.Collection
+"""
+
+        when:
+        def reader = new MappingReader()
+        def mapping = reader.read (yaml)
+
+        then:
+        mapping
+    }
+
+}

src/test/groovy/com/github/hauner/openapi/spring/generatr/TypeMappingReaderSpec.groovy

@@ -27,42 +27,6 @@ import spock.lang.Specification
 
 class TypeMappingReaderSpec extends Specification {
 
-    @Rule
-    TemporaryFolder folder
-
-    void "ignores empty type mapping" () {
-        when:
-        def reader = new TypeMappingReader()
-        def mappings = reader.read (yaml)
-
-        then:
-        mappings == []
-
-        where:
-        yaml << [null, ""]
-    }
-
-    void "reads mapping from file" () {
-        def yaml = """\
-openapi-generatr-spring: v1.0
-    
-map:
-  types:
-    - from: array
-      to: java.util.Collection
-"""
-
-        def yamlFile = folder.newFile ("openapi-generatr-spring.yaml")
-        yamlFile.text = yaml
-
-        when:
-        def reader = new TypeMappingReader()
-        def mappings = reader.read (yamlFile.absolutePath)
-
-        then:
-        mappings.size () == 1
-    }
-
     void "reads global type mapping" () {
         String yaml = """\
 openapi-generatr-spring: v1.0