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Copy pathGraphQL.java
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76 lines (58 loc) · 2.6 KB
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package graphql;
import graphql.execution.Execution;
import graphql.execution.ExecutionResult;
import graphql.language.Document;
import graphql.parser.Parser;
import graphql.schema.GraphQLSchema;
import graphql.validation.ValidationError;
import graphql.validation.ValidationErrorType;
import graphql.validation.Validator;
import org.antlr.v4.runtime.RecognitionException;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import static graphql.Assert.assertNotNull;
public class GraphQL {
private final GraphQLSchema graphQLSchema;
private final ExecutorService executorService;
public GraphQL(GraphQLSchema graphQLSchema) {
this(graphQLSchema, null);
}
public GraphQL(GraphQLSchema graphQLSchema, ExecutorService executorService) {
this.graphQLSchema = graphQLSchema;
this.executorService = executorService;
}
public ExecutionResult execute(String requestString) {
return execute(requestString, null);
}
public ExecutionResult execute(String requestString, Object context) {
return execute(requestString, context, Collections.<String, Object>emptyMap());
}
public ExecutionResult execute(String requestString, String operationName, Object context) {
return execute(requestString, operationName, context, Collections.<String, Object>emptyMap());
}
public ExecutionResult execute(String requestString, Object context, Map<String, Object> arguments) {
return execute(requestString, null, context, arguments);
}
public ExecutionResult execute(String requestString, String operationName, Object context, Map<String, Object> arguments) {
assertNotNull(arguments, "arguments can't be null");
Parser parser = new Parser();
Document document;
try {
document = parser.parseDocument(requestString);
} catch (RecognitionException e) {
ValidationError validationError = new ValidationError(ValidationErrorType.InvalidSyntax);
return new ExecutionResult(Arrays.asList(validationError));
}
Validator validator = new Validator();
List<ValidationError> validationErrors = validator.validateDocument(graphQLSchema, document);
if (validationErrors.size() > 0) {
ExecutionResult result = new ExecutionResult(validationErrors);
return result;
}
Execution execution = new Execution(executorService);
return execution.execute(graphQLSchema, context, document, operationName, arguments);
}
}