All Downloads are FREE. Search and download functionalities are using the official Maven repository.
  • Log In
  • Register

    • info.archinnov.achilles.internal.helper.LoggerHelper Maven / Gradle / Ivy

    There is a newer version: 6.1.0
    Show newest version
    /*
 * Copyright (C) 2012-2014 DuyHai DOAN
 *
 *  Licensed 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 info.archinnov.achilles.internal.helper;

import static java.lang.Math.min;
import java.lang.reflect.Field;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import com.datastax.driver.core.utils.Bytes;
import com.google.common.base.Function;

public abstract class LoggerHelper {
    public static final int HEX_STRING_LOG_LIMIT = 16;
    public static Function, String> fqcnToStringFn = new Function, String>() {
		@Override
		public String apply(Class clazz) {
			return clazz.getCanonicalName();
		}
	};
	public static Function fieldToStringFn = new Function() {
		@Override
		public String apply(Field field) {
			return field.getName();
		}
	};

    public static List replaceByteBuffersByHexString(Object... values) {
        ArrayList boundValues = new ArrayList<>(Arrays.asList(values));

        for (int valuePos = 0; valuePos < boundValues.size(); valuePos++) {
            Object boundValue = boundValues.get(valuePos);
            if (boundValue instanceof ByteBuffer) {
                ByteBuffer bbBoundedValue = (ByteBuffer) boundValue;
                byte[] firstBytes = new byte[min(bbBoundedValue.remaining(), HEX_STRING_LOG_LIMIT)];
                bbBoundedValue.get(firstBytes).rewind();
                boundValues.set(valuePos, toHexString(firstBytes, bbBoundedValue.remaining()));
            } else if (boundValue instanceof byte[]) {
                byte[] baBoundedValue = (byte[]) boundValue;
                byte[] firstBytes = baBoundedValue.length > HEX_STRING_LOG_LIMIT ? Arrays.copyOfRange(baBoundedValue, 0, HEX_STRING_LOG_LIMIT) : baBoundedValue;
                boundValues.set(valuePos, toHexString(firstBytes, baBoundedValue.length));
            }
        }
        return boundValues;
    }

    private static String toHexString(byte[] firstBytes, int originalLength) {
        return Bytes.toHexString(firstBytes) + more(originalLength);
    }

    private static String more(int length) {
        return ((length > HEX_STRING_LOG_LIMIT) ? String.format("... (%d)", length) : "");
    }
}
    
    
    
    

    




    
    
    © 2015 - 2025 Weber Informatics LLC | Privacy Policy