void parseHeader()

in google-http-client/src/main/java/com/google/api/client/http/HttpHeaders.java [1129:1174]
39 lines of code
8 McCabe index (conditional complexity)

  void parseHeader(String headerName, String headerValue, ParseHeaderState state) {
    List<Type> context = state.context;
    ClassInfo classInfo = state.classInfo;
    ArrayValueMap arrayValueMap = state.arrayValueMap;
    StringBuilder logger = state.logger;

    if (logger != null) {
      logger.append(headerName + ": " + headerValue).append(StringUtils.LINE_SEPARATOR);
    }
    // use field information if available
    FieldInfo fieldInfo = classInfo.getFieldInfo(headerName);
    if (fieldInfo != null) {
      Type type = Data.resolveWildcardTypeOrTypeVariable(context, fieldInfo.getGenericType());
      // type is now class, parameterized type, or generic array type
      if (Types.isArray(type)) {
        // array that can handle repeating values
        Class<?> rawArrayComponentType =
            Types.getRawArrayComponentType(context, Types.getArrayComponentType(type));
        arrayValueMap.put(fieldInfo.getField(), rawArrayComponentType,
            parseValue(rawArrayComponentType, context, headerValue));
      } else if (Types.isAssignableToOrFrom(
          Types.getRawArrayComponentType(context, type), Iterable.class)) {
        // iterable that can handle repeating values
        @SuppressWarnings("unchecked")
        Collection<Object> collection = (Collection<Object>) fieldInfo.getValue(this);
        if (collection == null) {
          collection = Data.newCollectionInstance(type);
          fieldInfo.setValue(this, collection);
        }
        Type subFieldType = type == Object.class ? null : Types.getIterableParameter(type);
        collection.add(parseValue(subFieldType, context, headerValue));
      } else {
        // parse value based on field type
        fieldInfo.setValue(this, parseValue(type, context, headerValue));
      }
    } else {
      // store header values in an array list
      @SuppressWarnings("unchecked")
      ArrayList<String> listValue = (ArrayList<String>) this.get(headerName);
      if (listValue == null) {
        listValue = new ArrayList<String>();
        this.set(headerName, listValue);
      }
      listValue.add(headerValue);
    }
  }