/*
 * 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.skywalking.apm.plugin.jdbc;

public class PreparedStatementParameterBuilder {
    private static final String EMPTY_LIST = "[]";
    private Object[] parameters;
    private Integer maxIndex;
    private int maxLength = 0;

    public PreparedStatementParameterBuilder setParameters(Object[] parameters) {
        this.parameters = parameters;
        return this;
    }

    public PreparedStatementParameterBuilder setMaxIndex(int maxIndex) {
        this.maxIndex = maxIndex;
        return this;
    }

    public PreparedStatementParameterBuilder setMaxLength(int maxLength) {
        this.maxLength = maxLength;
        return this;
    }

    public String build() {
        if (parameters == null) {
            return EMPTY_LIST;
        }

        String parameterString = getParameterString();
        return truncate(parameterString);
    }

    private String getParameterString() {
        StringBuilder stringBuilder = new StringBuilder();
        boolean first = true;
        for (int i = 0; i < getMaxIndex(); i++) {
            Object parameter = parameters[i];
            if (!first) {
                stringBuilder.append(",");
            }
            stringBuilder.append(parameter);
            first = false;
        }
        return String.format("[%s]", stringBuilder.toString());
    }

    private int getMaxIndex() {
        int maxIdx = maxIndex != null ? maxIndex : parameters.length;
        return Math.min(maxIdx, parameters.length);
    }

    private String truncate(String parameterString) {
        if (maxLength > 0 && parameterString.length() > maxLength) {
            parameterString = parameterString.substring(0, maxLength) + "...";
        }

        return parameterString;
    }

}

@@ -1580,94 +1580,34 @@
     
-String parameterString = getParameterString();%0A        return truncate(parameterString
+return getParameterString(
 );%0A 
@@ -2006,71 +2006,320 @@
     
-%7D%0A        return String.format(%22%5B%25s%5D%22, stringBuilder.toString()
+    %0A            //  cut the string as soon as it reached the length limitation%0A            if (maxLength %3E 0 && (stringBuilder.length() + EMPTY_LIST.length()) %3E maxLength) %7B%0A                return format(stringBuilder).substring(0, maxLength) + %22...%22;%0A            %7D%0A        %7D%0A        return format(stringBuilder
 );%0A 
@@ -2508,232 +2508,108 @@
 ing 
-trunc
+form
 at
-e
 (String
- parameterString) %7B%0A        if (maxLength %3E 0 && parameterString.length() %3E maxLength) %7B%0A            parameterString = parameterString.substring(0, maxLength) + %22...%22;%0A        %7D%0A%0A        return parameter
+Builder stringBuilder) %7B%0A        return String.format(%22%5B%25s%5D%22, stringBuilder.to
 String
+())
 ;%0A  

truncate parameterString (#5396)