org.graylog.plugins.pipelineprocessor.parser.errors.InvalidFunctionArgument Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Graylog, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* .
*/
package org.graylog.plugins.pipelineprocessor.parser.errors;
import com.fasterxml.jackson.annotation.JsonProperty;
import org.graylog.plugins.pipelineprocessor.ast.exceptions.PrecomputeFailure;
import org.graylog.plugins.pipelineprocessor.ast.functions.Function;
import org.graylog.plugins.pipelineprocessor.ast.functions.ParameterDescriptor;
import org.graylog.plugins.pipelineprocessor.parser.RuleLangParser;
public class InvalidFunctionArgument extends ParseError {
private final Function function;
private final PrecomputeFailure failure;
public InvalidFunctionArgument(RuleLangParser.FunctionCallContext ctx,
Function function,
PrecomputeFailure failure) {
super("invalid_function_argument", ctx);
this.function = function;
this.failure = failure;
}
@JsonProperty("reason")
@Override
public String toString() {
int paramPosition = 1;
for (ParameterDescriptor descriptor : function.descriptor().params()) {
if (descriptor.name().equals(failure.getArgumentName())) {
break;
}
paramPosition++;
}
return "Unable to pre-compute value for " + ordinal(paramPosition) + " argument " + failure.getArgumentName() + " in call to function " + function.descriptor().name() + ": " + failure.getCause().getMessage();
}
private static String ordinal(int i) {
String[] suffixes = new String[]{"th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"};
switch (i % 100) {
case 11:
case 12:
case 13:
return i + "th";
default:
return i + suffixes[i % 10];
}
}
}