Android JSON Remove replace(String str, JSONObject replacementMap)

Description

replace

Declaration

public static String replace(String str, JSONObject replacementMap) 

Method Source Code

//package com.java2s;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.json.JSONObject;

public class Main {
    /**/*from   w  w  w. j ava  2s.  co m*/
     * Replaces {propname} matches in the string with the corresponding object.toString
     */
    private static final Pattern REPLACE_PATTERN = Pattern
            .compile("([^\\\\]|^)\\{(.+?)\\}");

    public static String replace(String str,
            Map<String, Object> replacementMap) {
        Matcher matcher = REPLACE_PATTERN.matcher(str);

        //populate the replacements map ...
        StringBuilder builder = new StringBuilder();
        int i = 0;
        while (matcher.find()) {
            Object replacement = replacementMap.get(matcher.group(2));
            builder.append(str.substring(i, matcher.start() == 0 ? 0
                    : matcher.start() + 1));
            builder.append(replacement != null ? replacement : "");
            i = matcher.end();
        }
        builder.append(str.substring(i, str.length()));

        String result = builder.toString();
        result = result.replace("\\{", "{");
        result = result.replace("\\}", "}");

        return result;
    }

    public static String replace(String str, JSONObject replacementMap) {
        Matcher matcher = REPLACE_PATTERN.matcher(str);

        //populate the replacements map ...
        StringBuilder builder = new StringBuilder();
        int i = 0;
        while (matcher.find()) {
            Object replacement = replacementMap.opt(matcher.group(2));
            builder.append(str.substring(i, matcher.start() == 0 ? 0
                    : matcher.start() + 1));
            builder.append(replacement != null ? replacement : "");
            i = matcher.end();
        }
        builder.append(str.substring(i, str.length()));

        String result = builder.toString();
        result = result.replace("\\{", "{");
        result = result.replace("\\}", "}");

        return result;
    }

    /**
     * String helper to ensure the object safely translates to a string, will not return null
     */
    public static String toString(Object o) {
        return o != null ? o.toString() : "";
    }
}

Related

1. removeJsonPoint(String json, String... points)