Java String Quote quoteForMdx(StringBuilder buf, String val)

Description

Appends a double-quoted string to a string builder.

License

Open Source License

Declaration

public static StringBuilder quoteForMdx(StringBuilder buf, String val) 

Method Source Code

//package com.java2s;
/*/* ww  w  . j  a va 2 s  . c o m*/
// This software is subject to the terms of the Eclipse Public License v1.0
// Agreement, available at the following URL:
// http://www.eclipse.org/legal/epl-v10.html.
// You must accept the terms of that agreement to use this software.
//
// Copyright (C) 2001-2005 Julian Hyde
// Copyright (C) 2005-2012 Pentaho and others
// All Rights Reserved.
*/

public class Main {
    /**
     * Appends a double-quoted string to a string builder.
     */
    public static StringBuilder quoteForMdx(StringBuilder buf, String val) {
        buf.append("\"");
        String s0 = replace(val, "\"", "\"\"");
        buf.append(s0);
        buf.append("\"");
        return buf;
    }

    /**
     * Returns a string with every occurrence of a seek string replaced with
     * another.
     */
    public static String replace(String s, String find, String replace) {
        // let's be optimistic
        int found = s.indexOf(find);
        if (found == -1) {
            return s;
        }
        StringBuilder sb = new StringBuilder(s.length() + 20);
        int start = 0;
        char[] chars = s.toCharArray();
        final int step = find.length();
        if (step == 0) {
            // Special case where find is "".
            sb.append(s);
            replace(sb, 0, find, replace);
        } else {
            for (;;) {
                sb.append(chars, start, found - start);
                if (found == s.length()) {
                    break;
                }
                sb.append(replace);
                start = found + step;
                found = s.indexOf(find, start);
                if (found == -1) {
                    found = s.length();
                }
            }
        }
        return sb.toString();
    }

    /**
     * Replaces all occurrences of a string in a buffer with another.
     *
     * @param buf String buffer to act on
     * @param start Ordinal within <code>find</code> to start searching
     * @param find String to find
     * @param replace String to replace it with
     * @return The string buffer
     */
    public static StringBuilder replace(StringBuilder buf, int start, String find, String replace) {
        // Search and replace from the end towards the start, to avoid O(n ^ 2)
        // copying if the string occurs very commonly.
        int findLength = find.length();
        if (findLength == 0) {
            // Special case where the seek string is empty.
            for (int j = buf.length(); j >= 0; --j) {
                buf.insert(j, replace);
            }
            return buf;
        }
        int k = buf.length();
        while (k > 0) {
            int i = buf.lastIndexOf(find, k);
            if (i < start) {
                break;
            }
            buf.replace(i, i + find.length(), replace);
            // Step back far enough to ensure that the beginning of the section
            // we just replaced does not cause a match.
            k = i - findLength;
        }
        return buf;
    }
}

Related

1. quoteFileName(String filename)
2. quoteForBatchScript(String arg)
3. quoteForCommandString(String s)
4. quoteForCsv(final String field)
5. quoteForHTML(String toQuote)
6. quoteForRegEx(String input)
7. quoteForXML(String from)
8. quoteHost(final String hostname)
9. quoteHtml(final String s)