Improvement for issue #1303

Refactor OpenAPIV3Parser to make it more clear

Author: mih-kopylov

modules/swagger-parser-core/src/main/java/io/swagger/v3/parser/core/models/SwaggerParseResult.java

@@ -1,6 +1,8 @@
 package io.swagger.v3.parser.core.models;
 
 import io.swagger.v3.oas.models.OpenAPI;
+import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 
 public class SwaggerParseResult {
@@ -27,4 +29,10 @@ public OpenAPI getOpenAPI() {
     public void setOpenAPI(OpenAPI openAPI) {
         this.openAPI = openAPI;
     }
+
+    public static SwaggerParseResult ofError(String message){
+        final SwaggerParseResult result = new SwaggerParseResult();
+        result.setMessages(Collections.singletonList(message));
+        return result;
+    }
 }

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/OpenAPIV3Parser.java

@@ -0,0 +1,9 @@
+package io.swagger.v3.parser.exception;
+
+public class EncodingNotSupportedException extends RuntimeException {
+    private static final long serialVersionUID = 3686905713011188803L;
+
+    public EncodingNotSupportedException(String encoding) {
+        super(String.format("Encoding `%s` is not supported by JRE", encoding));
+    }
+}

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/exception/EncodingNotSupportedException.java

@@ -0,0 +1,12 @@
+package io.swagger.v3.parser.exception;
+
+/**
+ * Happens when it's unable to read content from file or other resource
+ */
+public class ReadContentException extends RuntimeException {
+    private static final long serialVersionUID = 4720926576862628428L;
+
+    public ReadContentException(String message, Throwable cause) {
+        super(message, cause);
+    }
+}

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/exception/ReadContentException.java

@@ -26,20 +26,21 @@
 
 public class InlineModelResolver {
     private OpenAPI openAPI;
-    private boolean skipMatches;
     static Logger LOGGER = LoggerFactory.getLogger(InlineModelResolver.class);
 
     Map<String, Schema> addedModels = new HashMap<>();
     Map<String, String> generatedSignature = new HashMap<>();
 
-    private boolean flattenComposedSchemas;
-    private boolean camelCaseFlattenNaming;
+    private final boolean flattenComposedSchemas;
+    private final boolean camelCaseFlattenNaming;
+    private final boolean skipMatches;
 
-    public InlineModelResolver(){this(false,false);}
+    public InlineModelResolver(){this(false, false, false);}
 
-    public InlineModelResolver(boolean flattenComposedSchemas, boolean camelCaseFlattenNaming) {
+    public InlineModelResolver(boolean flattenComposedSchemas, boolean camelCaseFlattenNaming, boolean skipMatches) {
         this.flattenComposedSchemas = flattenComposedSchemas;
         this.camelCaseFlattenNaming = camelCaseFlattenNaming;
+        this.skipMatches = skipMatches;
     }
 
     public void flatten(OpenAPI openAPI) {
@@ -319,7 +320,7 @@ private String resolveModelName(String title, String key) {
     }
 
     public String matchGenerated(Schema model) {
-        if (this.skipMatches) {
+        if (skipMatches) {
             return null;
         }
         String json = Json.pretty(model);
@@ -585,14 +586,6 @@ public void copyVendorExtensions(Schema source, Schema target) {
         }
     }
 
-    public boolean isSkipMatches() {
-        return skipMatches;
-    }
-
-    public void setSkipMatches(boolean skipMatches) {
-        this.skipMatches = skipMatches;
-    }
-
     private boolean isObjectSchema(Schema schema) {
         return schema instanceof ObjectSchema
                 || "object".equalsIgnoreCase(schema.getType())

modules/swagger-parser-v3/src/main/java/io/swagger/v3/parser/util/InlineModelResolver.java

@@ -1924,7 +1924,7 @@ public void readingSpecNodeShouldNotOverQuotingStringExample() throws Exception
         String yaml = Files.readFile(new File("src/test/resources/over-quoted-example.yaml"));
         JsonNode rootNode = Yaml.mapper().readValue(yaml, JsonNode.class);
         OpenAPIV3Parser parser = new OpenAPIV3Parser();
-        OpenAPI openAPI = (parser.readWithInfo(null, rootNode)).getOpenAPI();
+        OpenAPI openAPI = (parser.parseJsonNode(null, rootNode)).getOpenAPI();
 
         Map<String, Schema> definitions = openAPI.getComponents().getSchemas();
         assertEquals("NoQuotePlease", definitions.get("CustomerType").getExample());

modules/swagger-parser-v3/src/test/java/io/swagger/v3/parser/test/OpenAPIV3ParserTest.java

@@ -432,7 +432,6 @@ public void testSkipInlineMatchesFalse() {
         final OpenAPI openAPI = new OpenAPI();
 
         final InlineModelResolver inlineModelResolver = new InlineModelResolver();
-        inlineModelResolver.setSkipMatches(false);
 
         final Schema operationAlphaInAsset = new ObjectSchema();
         operationAlphaInAsset.setTitle("operationAlphaInAsset");
@@ -484,8 +483,7 @@ public void testSkipInlineMatchesFalse() {
     public void testSkipInlineMatchesTrue() {
         final OpenAPI openAPI = new OpenAPI();
 
-        final InlineModelResolver inlineModelResolver = new InlineModelResolver();
-        inlineModelResolver.setSkipMatches(true);
+        final InlineModelResolver inlineModelResolver = new InlineModelResolver(false, false, true);
 
         final Schema operationAlphaInAsset = new ObjectSchema();
         operationAlphaInAsset.setTitle("operationAlphaInAsset");