/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.juneau.oapi;

import java.lang.annotation.*;
import java.nio.charset.*;
import java.util.*;
import java.util.concurrent.*;

import org.apache.juneau.*;
import org.apache.juneau.annotation.*;
import org.apache.juneau.httppart.*;
import org.apache.juneau.internal.*;
import org.apache.juneau.uon.*;
import org.apache.juneau.utils.*;

/**
 * OpenAPI part parser.
 *
 * <h5 class='section'>Notes:</h5><ul>
 *    <li class='note'>This class is thread safe and reusable.
 * </ul>
 *
 * <h5 class='section'>See Also:</h5><ul>
 *    <li class='link'><a class="doclink" href="https://juneau.apache.org/docs/topics/OpenApiBasics">OpenApi Basics</a>

 * </ul>
 */
public class OpenApiParser extends UonParser implements OpenApiMetaProvider {

   //-------------------------------------------------------------------------------------------------------------------
   // Static
   //-------------------------------------------------------------------------------------------------------------------

   /** Reusable instance of {@link OpenApiParser}. */
   public static final OpenApiParser DEFAULT = new OpenApiParser(create());

   /**
    * Creates a new builder for this object.
    *
    * @return A new builder.
    */
   public static Builder create() {
      return new Builder();
   }

   //-------------------------------------------------------------------------------------------------------------------
   // Builder
   //-------------------------------------------------------------------------------------------------------------------

   /**
    * Builder class.
    */
   public static class Builder extends UonParser.Builder {

      private static final Cache<HashKey,OpenApiParser> CACHE = Cache.of(HashKey.class, OpenApiParser.class).build();

      HttpPartFormat format;
      HttpPartCollectionFormat collectionFormat;

      /**
       * Constructor, default settings.
       */
      protected Builder() {
         consumes("text/openapi");
         format = HttpPartFormat.NO_FORMAT;
         collectionFormat = HttpPartCollectionFormat.NO_COLLECTION_FORMAT;
      }

      /**
       * Copy constructor.
       *
       * @param copyFrom The bean to copy from.
       */
      protected Builder(OpenApiParser copyFrom) {
         super(copyFrom);
         format = copyFrom.format;
         collectionFormat = copyFrom.collectionFormat;
      }

      /**
       * Copy constructor.
       *
       * @param copyFrom The builder to copy from.
       */
      protected Builder(Builder copyFrom) {
         super(copyFrom);
         format = copyFrom.format;
         collectionFormat = copyFrom.collectionFormat;
      }

      @Override /* Context.Builder */
      public Builder copy() {
         return new Builder(this);
      }

      @Override /* Context.Builder */
      public OpenApiParser build() {
         return cache(CACHE).build(OpenApiParser.class);
      }

      @Override /* Context.Builder */
      public HashKey hashKey() {
         return HashKey.of(
            super.hashKey(),
            format,
            collectionFormat
         );
      }

      //-----------------------------------------------------------------------------------------------------------------
      // Properties
      //-----------------------------------------------------------------------------------------------------------------

      /**
       * <i><l>OpenApiCommon</l> configuration property:&emsp;</i>  Default format for HTTP parts.
       *
       * <p>
       * Specifies the format to use for HTTP parts when not otherwise specified via {@link org.apache.juneau.annotation.Schema#format()}.
       *
       * <h5 class='section'>Example:</h5>
       * <p class='bjava'>
       *    <jc>// Create a plain-text parser.</jc>
       *    OpenApiParser <jv>parser1</jv> = OpenApiParser
       *       .<jsm>create</jsm>()
       *       .build();
       *
       *    <jc>// Create a UON parser.</jc>
       *    OpenApiParser <jv>parser2</jv> = OpenApiParser
       *       .<jsm>create</jsm>()
       *       .format(<jsf>UON</jsf>)
       *       .build();
       *
       *    <jc>// Parse a plain-text string.</jc>
       *    String <jv>value1</jv> = <jv>parser1</jv>.parse(<js>"foo bar"</js>);
       *
       *    <jc>// Parse a UON string.</jc>
       *    String <jv>value2</jv> = <jv>parser1</jv>.parse(<js>"'foo bar'"</js>);
       * </p>
       *
       * <ul class='values javatree'>
       *    <li class='jc'>{@link org.apache.juneau.httppart.HttpPartFormat}
       *    <ul>
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#UON UON} - UON notation (e.g. <js>"'foo bar'"</js>).
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#INT32 INT32} - Signed 32 bits.
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#INT64 INT64} - Signed 64 bits.
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#FLOAT FLOAT} - 32-bit floating point number.
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#DOUBLE DOUBLE} - 64-bit floating point number.
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#BYTE BYTE} - BASE-64 encoded characters.
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#BINARY BINARY} - Hexadecimal encoded octets (e.g. <js>"00FF"</js>).
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#BINARY_SPACED BINARY_SPACED} - Spaced-separated hexadecimal encoded octets (e.g. <js>"00 FF"</js>).
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#DATE DATE} - An <a href='http://xml2rfc.ietf.org/public/rfc/html/rfc3339.html#anchor14'>RFC3339 full-date</a>.
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#DATE_TIME DATE_TIME} - An <a href='http://xml2rfc.ietf.org/public/rfc/html/rfc3339.html#anchor14'>RFC3339 date-time</a>.
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#PASSWORD PASSWORD} - Used to hint UIs the input needs to be obscured.
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartFormat#NO_FORMAT NO_FORMAT} - (default) Not specified.
       *    </ul>
       * </ul>
       *
       * @param value The new value for this property.
       * @return This object.
       */
      public Builder format(HttpPartFormat value) {
         format = value;
         return this;
      }

      /**
       * <i><l>OpenApiCommon</l> configuration property:&emsp;</i>  Default collection format for HTTP parts.
       *
       * <p>
       * Specifies the collection format to use for HTTP parts when not otherwise specified via {@link org.apache.juneau.annotation.Schema#collectionFormat()}.
       *
       * <h5 class='section'>Example:</h5>
       * <p class='bjava'>
       *    <jc>// Create a parser using CSV for collections.</jc>
       *    OpenApiParser <jv>parser1</jv> = OpenApiParser
       *       .<jsm>create</jsm>()
       *       .collectionFormat(<jsf>CSV</jsf>)
       *       .build();
       *
       *    <jc>// Create a serializer using UON for collections.</jc>
       *    OpenApiParser <jv>parser2</jv> = OpenApiParser
       *       .<jsm>create</jsm>()
       *       .collectionFormat(<jsf>UON</jsf>)
       *       .build();
       *
       *    <jc>// Parse CSV.</jc>
       *    JsonList <jv>list1</jv> = <jv>parser1</jv>.parse(<js>"foo=bar,baz=qux\,true\,123"</js>, JsonList.<jk>class</jk>)
       *
       *    <jc>// Parse UON.</jc>
       *    JsonList <jv>list2</jv> = <jv>parser2</jv>.parse(<js>"(foo=bar,baz=@(qux,true,123))"</js>, JsonList.<jk>class</jk>)
       * </p>
       *
       * <ul class='values javatree'>
       *    <li class='jc'>{@link org.apache.juneau.httppart.HttpPartFormat}
       *    <ul>
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartCollectionFormat#CSV CSV} - (default) Comma-separated values (e.g. <js>"foo,bar"</js>).
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartCollectionFormat#SSV SSV} - Space-separated values (e.g. <js>"foo bar"</js>).
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartCollectionFormat#TSV TSV} - Tab-separated values (e.g. <js>"foo\tbar"</js>).
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartCollectionFormat#PIPES PIPES} - Pipe-separated values (e.g. <js>"foo|bar"</js>).
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartCollectionFormat#MULTI MULTI} - Corresponds to multiple parameter instances instead of multiple values for a single instance (e.g. <js>"foo=bar&amp;foo=baz"</js>).
       *       <li class='jf'>{@link org.apache.juneau.httppart.HttpPartCollectionFormat#UONC UONC} - UON collection notation (e.g. <js>"@(foo,bar)"</js>).
       *    </ul>
       * </ul>
       *
       * @param value The new value for this property.
       * @return This object.
       */
      public Builder collectionFormat(HttpPartCollectionFormat value) {
         collectionFormat = value;
         return this;
      }
      @Override /* Overridden from Builder */
      public Builder annotations(Annotation...values) {
         super.annotations(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder apply(AnnotationWorkList work) {
         super.apply(work);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder applyAnnotations(Object...from) {
         super.applyAnnotations(from);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder applyAnnotations(Class<?>...from) {
         super.applyAnnotations(from);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder cache(Cache<HashKey,? extends org.apache.juneau.Context> value) {
         super.cache(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder debug() {
         super.debug();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder debug(boolean value) {
         super.debug(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder impl(Context value) {
         super.impl(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder type(Class<? extends org.apache.juneau.Context> value) {
         super.type(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanClassVisibility(Visibility value) {
         super.beanClassVisibility(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanConstructorVisibility(Visibility value) {
         super.beanConstructorVisibility(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanContext(BeanContext value) {
         super.beanContext(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanContext(BeanContext.Builder value) {
         super.beanContext(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanDictionary(java.lang.Class<?>...values) {
         super.beanDictionary(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanFieldVisibility(Visibility value) {
         super.beanFieldVisibility(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanInterceptor(Class<?> on, Class<? extends org.apache.juneau.swap.BeanInterceptor<?>> value) {
         super.beanInterceptor(on, value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanMapPutReturnsOldValue() {
         super.beanMapPutReturnsOldValue();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanMethodVisibility(Visibility value) {
         super.beanMethodVisibility(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanProperties(Map<String,Object> values) {
         super.beanProperties(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanProperties(Class<?> beanClass, String properties) {
         super.beanProperties(beanClass, properties);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanProperties(String beanClassName, String properties) {
         super.beanProperties(beanClassName, properties);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanPropertiesExcludes(Map<String,Object> values) {
         super.beanPropertiesExcludes(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanPropertiesExcludes(Class<?> beanClass, String properties) {
         super.beanPropertiesExcludes(beanClass, properties);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanPropertiesExcludes(String beanClassName, String properties) {
         super.beanPropertiesExcludes(beanClassName, properties);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanPropertiesReadOnly(Map<String,Object> values) {
         super.beanPropertiesReadOnly(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanPropertiesReadOnly(Class<?> beanClass, String properties) {
         super.beanPropertiesReadOnly(beanClass, properties);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanPropertiesReadOnly(String beanClassName, String properties) {
         super.beanPropertiesReadOnly(beanClassName, properties);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanPropertiesWriteOnly(Map<String,Object> values) {
         super.beanPropertiesWriteOnly(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanPropertiesWriteOnly(Class<?> beanClass, String properties) {
         super.beanPropertiesWriteOnly(beanClass, properties);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beanPropertiesWriteOnly(String beanClassName, String properties) {
         super.beanPropertiesWriteOnly(beanClassName, properties);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beansRequireDefaultConstructor() {
         super.beansRequireDefaultConstructor();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beansRequireSerializable() {
         super.beansRequireSerializable();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder beansRequireSettersForGetters() {
         super.beansRequireSettersForGetters();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder dictionaryOn(Class<?> on, java.lang.Class<?>...values) {
         super.dictionaryOn(on, values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder disableBeansRequireSomeProperties() {
         super.disableBeansRequireSomeProperties();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder disableIgnoreMissingSetters() {
         super.disableIgnoreMissingSetters();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder disableIgnoreTransientFields() {
         super.disableIgnoreTransientFields();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder disableIgnoreUnknownNullBeanProperties() {
         super.disableIgnoreUnknownNullBeanProperties();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder disableInterfaceProxies() {
         super.disableInterfaceProxies();
         return this;
      }

      @Override /* Overridden from Builder */
      public <T> Builder example(Class<T> pojoClass, T o) {
         super.example(pojoClass, o);
         return this;
      }

      @Override /* Overridden from Builder */
      public <T> Builder example(Class<T> pojoClass, String json) {
         super.example(pojoClass, json);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder findFluentSetters() {
         super.findFluentSetters();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder findFluentSetters(Class<?> on) {
         super.findFluentSetters(on);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder ignoreInvocationExceptionsOnGetters() {
         super.ignoreInvocationExceptionsOnGetters();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder ignoreInvocationExceptionsOnSetters() {
         super.ignoreInvocationExceptionsOnSetters();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder ignoreUnknownBeanProperties() {
         super.ignoreUnknownBeanProperties();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder ignoreUnknownEnumValues() {
         super.ignoreUnknownEnumValues();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder implClass(Class<?> interfaceClass, Class<?> implClass) {
         super.implClass(interfaceClass, implClass);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder implClasses(Map<Class<?>,Class<?>> values) {
         super.implClasses(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder interfaceClass(Class<?> on, Class<?> value) {
         super.interfaceClass(on, value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder interfaces(java.lang.Class<?>...value) {
         super.interfaces(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder locale(Locale value) {
         super.locale(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder mediaType(MediaType value) {
         super.mediaType(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder notBeanClasses(java.lang.Class<?>...values) {
         super.notBeanClasses(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder notBeanPackages(String...values) {
         super.notBeanPackages(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder propertyNamer(Class<? extends org.apache.juneau.PropertyNamer> value) {
         super.propertyNamer(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder propertyNamer(Class<?> on, Class<? extends org.apache.juneau.PropertyNamer> value) {
         super.propertyNamer(on, value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder sortProperties() {
         super.sortProperties();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder sortProperties(java.lang.Class<?>...on) {
         super.sortProperties(on);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder stopClass(Class<?> on, Class<?> value) {
         super.stopClass(on, value);
         return this;
      }

      @Override /* Overridden from Builder */
      public <T, S> Builder swap(Class<T> normalClass, Class<S> swappedClass, ThrowingFunction<T,S> swapFunction) {
         super.swap(normalClass, swappedClass, swapFunction);
         return this;
      }

      @Override /* Overridden from Builder */
      public <T, S> Builder swap(Class<T> normalClass, Class<S> swappedClass, ThrowingFunction<T,S> swapFunction, ThrowingFunction<S,T> unswapFunction) {
         super.swap(normalClass, swappedClass, swapFunction, unswapFunction);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder swaps(Object...values) {
         super.swaps(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder swaps(Class<?>...values) {
         super.swaps(values);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder timeZone(TimeZone value) {
         super.timeZone(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder typeName(Class<?> on, String value) {
         super.typeName(on, value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder typePropertyName(String value) {
         super.typePropertyName(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder typePropertyName(Class<?> on, String value) {
         super.typePropertyName(on, value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder useEnumNames() {
         super.useEnumNames();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder useJavaBeanIntrospector() {
         super.useJavaBeanIntrospector();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder autoCloseStreams() {
         super.autoCloseStreams();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder autoCloseStreams(boolean value) {
         super.autoCloseStreams(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder consumes(String value) {
         super.consumes(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder debugOutputLines(int value) {
         super.debugOutputLines(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder listener(Class<? extends org.apache.juneau.parser.ParserListener> value) {
         super.listener(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder strict() {
         super.strict();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder strict(boolean value) {
         super.strict(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder trimStrings() {
         super.trimStrings();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder trimStrings(boolean value) {
         super.trimStrings(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder unbuffered() {
         super.unbuffered();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder unbuffered(boolean value) {
         super.unbuffered(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder fileCharset(Charset value) {
         super.fileCharset(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder streamCharset(Charset value) {
         super.streamCharset(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder decoding() {
         super.decoding();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder decoding(boolean value) {
         super.decoding(value);
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder validateEnd() {
         super.validateEnd();
         return this;
      }

      @Override /* Overridden from Builder */
      public Builder validateEnd(boolean value) {
         super.validateEnd(value);
         return this;
      }
   }

   //-------------------------------------------------------------------------------------------------------------------
   // Instance
   //-------------------------------------------------------------------------------------------------------------------

   final HttpPartFormat format;
   final HttpPartCollectionFormat collectionFormat;

   private final Map<ClassMeta<?>,OpenApiClassMeta> openApiClassMetas = new ConcurrentHashMap<>();
   private final Map<BeanPropertyMeta,OpenApiBeanPropertyMeta> openApiBeanPropertyMetas = new ConcurrentHashMap<>();

   /**
    * Constructor.
    *
    * @param builder The builder for this object.
    */
   public OpenApiParser(Builder builder) {
      super(builder);
      format = builder.format;
      collectionFormat = builder.collectionFormat;
   }

   @Override /* Context */
   public Builder copy() {
      return new Builder(this);
   }

   @Override /* Context */
   public OpenApiParserSession.Builder createSession() {
      return OpenApiParserSession.create(this);
   }

   @Override /* Context */
   public OpenApiParserSession getSession() {
      return createSession().build();
   }

   @Override /* HttpPartParser */
   public OpenApiParserSession getPartSession() {
      return OpenApiParserSession.create(this).build();
   }

   //-----------------------------------------------------------------------------------------------------------------
   // Extended metadata
   //-----------------------------------------------------------------------------------------------------------------

   @Override /* OpenApiMetaProvider */
   public OpenApiClassMeta getOpenApiClassMeta(ClassMeta<?> cm) {
      OpenApiClassMeta m = openApiClassMetas.get(cm);
      if (m == null) {
         m = new OpenApiClassMeta(cm, this);
         openApiClassMetas.put(cm, m);
      }
      return m;
   }

   @Override /* OpenApiMetaProvider */
   public OpenApiBeanPropertyMeta getOpenApiBeanPropertyMeta(BeanPropertyMeta bpm) {
      if (bpm == null)
         return OpenApiBeanPropertyMeta.DEFAULT;
      OpenApiBeanPropertyMeta m = openApiBeanPropertyMetas.get(bpm);
      if (m == null) {
         m = new OpenApiBeanPropertyMeta(bpm.getDelegateFor(), this);
         openApiBeanPropertyMetas.put(bpm, m);
      }
      return m;
   }

   //-----------------------------------------------------------------------------------------------------------------
   // Properties
   //-----------------------------------------------------------------------------------------------------------------

   /**
    * Returns the default format to use when not otherwise specified via {@link Schema#format()}
    *
    * @return The default format to use when not otherwise specified via {@link Schema#format()}
    */
   protected final HttpPartFormat getFormat() {
      return format;
   }

   /**
    * Returns the default collection format to use when not otherwise specified via {@link Schema#collectionFormat()}
    *
    * @return The default collection format to use when not otherwise specified via {@link Schema#collectionFormat()}
    */
   protected final HttpPartCollectionFormat getCollectionFormat() {
      return collectionFormat;
   }
}