com.mangofactory.swagger.readers.OperationParameterRequestConditionReader Maven / Gradle / Ivy

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This project integrates swagger with the Spring Web MVC framework

There is a newer version: 1.0.2

package com.mangofactory.swagger.readers;

import com.google.common.base.Objects;
import com.google.common.base.Predicate;
import com.mangofactory.swagger.readers.operation.RequestMappingReader;
import com.mangofactory.swagger.scanners.RequestMappingContext;
import com.wordnik.swagger.model.AllowableListValues;
import com.wordnik.swagger.model.Parameter;
import org.springframework.web.servlet.mvc.condition.NameValueExpression;
import org.springframework.web.servlet.mvc.condition.ParamsRequestCondition;

import java.util.List;

import static com.google.common.collect.Iterables.*;
import static com.google.common.collect.Lists.*;
import static com.mangofactory.swagger.ScalaUtils.*;
import static scala.collection.JavaConversions.*;

public class OperationParameterRequestConditionReader implements RequestMappingReader {
  @Override
  public void execute(RequestMappingContext context) {
    ParamsRequestCondition paramsCondition = context.getRequestMappingInfo().getParamsCondition();
    List parameters = (List) context.get("parameters");
    for (NameValueExpression expression : paramsCondition.getExpressions()) {
      if (expression.isNegated() || any(nullToEmptyList(parameters),
              withName(expression.getName()))) {
        continue;
      }
      Parameter parameter = new Parameter(
              expression.getName(),
              toOption(null),
              toOption(expression.getValue()),
              true,
              false,
              "string",
              new AllowableListValues(collectionAsScalaIterable(newArrayList(expression.getValue())).toList(),
                      "string"),
              "query",
              toOption("")
      );

      parameters.add(parameter);
    }
  }

  private Iterable nullToEmptyList(List parameters) {
    if (parameters == null) {
      return newArrayList();
    }
    return parameters;
  }

  private Predicate withName(final String name) {
    return new Predicate() {
      @Override
      public boolean apply(Parameter input) {
        return Objects.equal(input.name(), name);
      }
    };
  }
}