Java String Repeat repeat(String str, int repeat)

Description

repeat

License

Apache License

Declaration

private static String repeat(String str, int repeat) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.util.ArrayList;
import java.util.List;

public class Main {
    private static String repeat(String str, int repeat) {
        StringBuilder buffer = new StringBuilder(repeat * str.length());

        for (int i = 0; i < repeat; i++) {
            buffer.append(str);//from w  ww. j  a v  a2 s . c o  m
        }

        return buffer.toString();
    }

    private void append(StringBuilder sb, String description, int indent) {
        for (String line : toLines(description, indent, 2, 100)) {
            sb.append(line).append('\n');
        }
    }

    private static List<String> toLines(String text, int indent,
            int indentSize, int lineLength) {
        List<String> lines = new ArrayList<String>();

        String ind = repeat("\t", indent);

        String[] plainLines = text.split("(\r\n)|(\r)|(\n)");

        for (String plainLine : plainLines) {
            toLines(lines, ind + plainLine, indentSize, lineLength);
        }

        return lines;
    }

    private static void toLines(List<String> lines, String line,
            int indentSize, int lineLength) {
        int lineIndent = getIndentLevel(line);
        StringBuilder buf = new StringBuilder(256);

        String[] tokens = line.split(" +");

        for (String token : tokens) {
            if (buf.length() > 0) {
                if (buf.length() + token.length() >= lineLength) {
                    lines.add(buf.toString());
                    buf.setLength(0);
                    buf.append(repeat(" ", lineIndent * indentSize));
                } else {
                    buf.append(' ');
                }
            }

            for (int j = 0; j < token.length(); j++) {
                char c = token.charAt(j);
                if (c == '\t') {
                    buf.append(repeat(" ", indentSize - buf.length()
                            % indentSize));
                } else if (c == '\u00A0') {
                    buf.append(' ');
                } else {
                    buf.append(c);
                }
            }
        }
        lines.add(buf.toString());
    }

    private static int getIndentLevel(String line) {
        int level = 0;
        for (int i = 0; i < line.length() && line.charAt(i) == '\t'; i++) {
            level++;
        }
        for (int i = level + 1; i <= level + 4 && i < line.length(); i++) {
            if (line.charAt(i) == '\t') {
                level++;
                break;
            }
        }
        return level;
    }
}

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2. repeat(String s, int times)
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6. repeat(String str, int repeat)
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9. repeat(String string, int times)