Java, adds code samples to schema docs (#320)

* Adds code storing type to example

* Adds code samples to schema docs

* Moves schema doc code sample into helper template

* Updates schema docs

* Updates code sample indentation

* Removes code samples from inherited schemas

* Uses newline break for custom list and map classes

* Adds array items to schema code sample

* Adds required properties to map example

* Updates petstore java docs

* Samples regen

Author: spacether

samples/client/3_0_3_unit_test/java/docs/components/schemas/AdditionalpropertiesAllowsASchemaWhichShouldValidate.md

@@ -18,6 +18,31 @@ public static class AdditionalpropertiesAllowsASchemaWhichShouldValidate1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
+### Code Sample
+```
+import org.openapijsonschematools.client.configurations.JsonSchemaKeywordFlags;
+import org.openapijsonschematools.client.configurations.SchemaConfiguration;
+import org.openapijsonschematools.client.exceptions.ValidationException;
+import org.openapijsonschematools.client.schemas.MapMaker;
+import org.openapijsonschematools.client.schemas.validation.FrozenList;
+import org.openapijsonschematools.client.schemas.validation.FrozenMap;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.AbstractMap;
+
+static final SchemaConfiguration configuration = new SchemaConfiguration(JsonSchemaKeywordFlags.ofNone());
+
+// Map validation
+AdditionalpropertiesAllowsASchemaWhichShouldValidate.AdditionalpropertiesAllowsASchemaWhichShouldValidateMap validatedPayload =
+    AdditionalpropertiesAllowsASchemaWhichShouldValidate.AdditionalpropertiesAllowsASchemaWhichShouldValidate1.validate(
+    MapMaker.makeMap(
+    ),
+    configuration
+);
+```
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |

samples/client/3_0_3_unit_test/java/docs/components/schemas/AdditionalpropertiesAreAllowedByDefault.md

@@ -17,6 +17,7 @@ public static class AdditionalpropertiesAreAllowedByDefault1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |

samples/client/3_0_3_unit_test/java/docs/components/schemas/AdditionalpropertiesCanExistByItself.md

@@ -16,6 +16,31 @@ public static class AdditionalpropertiesCanExistByItself1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
+### Code Sample
+```
+import org.openapijsonschematools.client.configurations.JsonSchemaKeywordFlags;
+import org.openapijsonschematools.client.configurations.SchemaConfiguration;
+import org.openapijsonschematools.client.exceptions.ValidationException;
+import org.openapijsonschematools.client.schemas.MapMaker;
+import org.openapijsonschematools.client.schemas.validation.FrozenList;
+import org.openapijsonschematools.client.schemas.validation.FrozenMap;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.AbstractMap;
+
+static final SchemaConfiguration configuration = new SchemaConfiguration(JsonSchemaKeywordFlags.ofNone());
+
+// Map validation
+AdditionalpropertiesCanExistByItself.AdditionalpropertiesCanExistByItselfMap validatedPayload =
+    AdditionalpropertiesCanExistByItself.AdditionalpropertiesCanExistByItself1.validate(
+    MapMaker.makeMap(
+    ),
+    configuration
+);
+```
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |

samples/client/3_0_3_unit_test/java/docs/components/schemas/AdditionalpropertiesShouldNotLookInApplicators.md

@@ -19,6 +19,7 @@ public static class AdditionalpropertiesShouldNotLookInApplicators1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -62,6 +63,7 @@ public static class Schema0<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |

samples/client/3_0_3_unit_test/java/docs/components/schemas/Allof.md

@@ -20,6 +20,7 @@ public static class Allof1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -43,6 +44,7 @@ public static class Schema1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -98,6 +100,7 @@ public static class Schema0<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |

samples/client/3_0_3_unit_test/java/docs/components/schemas/AllofCombinedWithAnyofOneof.md

@@ -17,6 +17,7 @@ public static class AllofCombinedWithAnyofOneof1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -40,6 +41,7 @@ public static class Schema0<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -63,6 +65,7 @@ public static class Schema01<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -86,6 +89,7 @@ public static class Schema02<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |

samples/client/3_0_3_unit_test/java/docs/components/schemas/AllofSimpleTypes.md

@@ -16,6 +16,7 @@ public static class AllofSimpleTypes1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -39,6 +40,7 @@ public static class Schema1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -62,6 +64,7 @@ public static class Schema0<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |

samples/client/3_0_3_unit_test/java/docs/components/schemas/AllofWithBaseSchema.md

@@ -22,6 +22,7 @@ public static class AllofWithBaseSchema1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -77,6 +78,7 @@ public static class Schema1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |
@@ -132,6 +134,7 @@ public static class Schema0<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |

samples/client/3_0_3_unit_test/java/docs/components/schemas/AllofWithOneEmptySchema.md

@@ -15,6 +15,7 @@ public static class AllofWithOneEmptySchema1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |

samples/client/3_0_3_unit_test/java/docs/components/schemas/AllofWithTheFirstEmptySchema.md

@@ -16,6 +16,7 @@ public static class AllofWithTheFirstEmptySchema1<br>
 extends JsonSchema
 
 A schema class that validates payloads
+
 ### Field Summary
 | Modifier and Type | Field and Description |
 | ----------------- | ---------------------- |