org.apache.pulsar.admin.cli.utils.CmdUtils Maven / Gradle / Ivy
/**
* 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.pulsar.admin.cli.utils;
import com.beust.jcommander.ParameterException;
import com.fasterxml.jackson.databind.exc.InvalidFormatException;
import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
import java.io.File;
import java.io.IOException;
import org.apache.pulsar.common.util.ObjectMapperFactory;
public class CmdUtils {
public static T loadConfig(String file, Class clazz) throws IOException {
try {
return ObjectMapperFactory.getThreadLocalYaml().readValue(new File(file), clazz);
} catch (Exception ex) {
if (ex instanceof UnrecognizedPropertyException) {
UnrecognizedPropertyException unrecognizedPropertyException = (UnrecognizedPropertyException) ex;
String exceptionMessage = String.format("Failed to parse config file %s. "
+ "Invalid field '%s' on line: %d column: %d. Valid fields are %s",
file,
unrecognizedPropertyException.getPath().get(0).getFieldName(),
unrecognizedPropertyException.getLocation().getLineNr(),
unrecognizedPropertyException.getLocation().getColumnNr(),
unrecognizedPropertyException.getKnownPropertyIds());
throw new ParameterException(exceptionMessage);
} else if (ex instanceof InvalidFormatException) {
InvalidFormatException invalidFormatException = (InvalidFormatException) ex;
String exceptionMessage = String.format("Failed to parse config file %s. %s on line: %d column: %d",
file,
invalidFormatException.getOriginalMessage(),
invalidFormatException.getLocation().getLineNr(),
invalidFormatException.getLocation().getColumnNr());
throw new ParameterException(exceptionMessage);
} else {
throw new ParameterException(ex.getMessage());
}
}
}
}
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