Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.util.Pair;
import java.io.UnsupportedEncodingException;

import java.net.URLEncoder;

import java.util.List;

public class Main {
    private static final String PARAMETER_SEPARATOR = "&";
    private static final String NAME_VALUE_SEPARATOR = "=";

    /**
     * Returns a String that is suitable for use as an <code>application/x-www-form-urlencoded</code>
     * list of parameters in an HTTP PUT or HTTP POST.
     *
     * @param parameters  The parameters to include.
     * @param encoding The encoding to use.
     */
    public static String format(final List<Pair<String, String>> parameters, final String encoding) {
        final StringBuilder result = new StringBuilder();
        for (final Pair<String, String> parameter : parameters) {
            final String encodedName = encode(parameter.first, encoding);
            final String value = parameter.second;
            final String encodedValue = value != null ? encode(value, encoding) : "";
            if (result.length() > 0)
                result.append(PARAMETER_SEPARATOR);
            result.append(encodedName);
            result.append(NAME_VALUE_SEPARATOR);
            result.append(encodedValue);
        }
        return result.toString();
    }

    private static String encode(final String content, final String encoding) {
        try {
            return URLEncoder.encode(content, encoding != null ? encoding : "UTF-8");
        } catch (UnsupportedEncodingException problem) {
            throw new IllegalArgumentException(problem);
        }
    }
}