Java String Slice slice(String contents, int CONTENT_COLUMN_SIZE)

Description

Database column is limited to fixed length.

License

Apache License

Declaration

public static String[] slice(String contents, int CONTENT_COLUMN_SIZE) 

Method Source Code

//package com.java2s;
/*/*from w w w. j a  v a 2 s  .co m*/
* Copyright 2008 original author or authors.
 *
 * 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.
 */

public class Main {
    /**
     * Database column is limited to fixed length. We want to store more than that size,
     * so we split the content into multi lines.
     */
    public static String[] slice(String contents, int CONTENT_COLUMN_SIZE) {
        int columnCount = contents.length() / CONTENT_COLUMN_SIZE;
        String[] contentArray = new String[columnCount + 1];

        int beginIndex = 0;
        int endIndex = 0;
        for (int i = 0; i <= columnCount; i++) {
            if (beginIndex + CONTENT_COLUMN_SIZE < contents.length()) {
                endIndex = beginIndex + CONTENT_COLUMN_SIZE;
            } else {
                endIndex = beginIndex + contents.length() - (CONTENT_COLUMN_SIZE * i);
            }

            contentArray[i] = contents.substring(beginIndex, endIndex);
            beginIndex += CONTENT_COLUMN_SIZE;
        }
        return contentArray;
    }
}

Related

1. slice(int theNum, String[] theStringArray)
2. slice(String input, int index, int length)
3. slice(String line)
4. slice(String value, int beginOffset, int endOffset, boolean trim)
5. sliceAndMatch(String fstring, String rstring)