demo-widget-iframe/src/main/java/com/fr/plugin/form/widget/URLUtils.java

package com.fr.plugin.form.widget;

import com.fr.third.org.apache.http.NameValuePair;
import com.fr.third.org.apache.http.message.BasicNameValuePair;
import com.fr.third.org.apache.http.message.ParserCursor;
import com.fr.third.org.apache.http.message.TokenParser;
import com.fr.third.org.apache.http.util.Args;
import com.fr.third.org.apache.http.util.CharArrayBuffer;

import java.util.ArrayList;
import java.util.BitSet;
import java.util.Collections;
import java.util.List;

/**
 * 参照{@link com.fr.third.org.apache.http.client.utils.URLEncodedUtils}
 * 的代码，但是不进行解码操作，传入的 url 可以是未编码的
 *
 * @see com.fr.third.org.apache.http.client.utils.URLEncodedUtils
 */
@SuppressWarnings("ALL")
public class URLUtils {

    public static List<NameValuePair> parse(String s) {
        if (s == null) {
            return Collections.emptyList();
        } else {
            CharArrayBuffer buffer = new CharArrayBuffer(s.length());
            buffer.append(s);
            return parse(buffer, '&', ';');
        }
    }

    public static List<NameValuePair> parse(String s, char... separators) {
        if (s == null) {
            return Collections.emptyList();
        } else {
            CharArrayBuffer buffer = new CharArrayBuffer(s.length());
            buffer.append(s);
            return parse(buffer, separators);
        }
    }

    public static List<NameValuePair> parse(CharArrayBuffer buf, char... separators) {
        Args.notNull(buf, "Char array buffer");
        TokenParser tokenParser = TokenParser.INSTANCE;
        BitSet delimSet = new BitSet();
        int var6 = separators.length;

        for (int var7 = 0; var7 < var6; ++var7) {
            char separator = separators[var7];
            delimSet.set(separator);
        }

        ParserCursor cursor = new ParserCursor(0, buf.length());
        ArrayList<NameValuePair> list = new ArrayList<NameValuePair>();

        while (!cursor.atEnd()) {
            delimSet.set(61);
            String name = tokenParser.parseToken(buf, cursor, delimSet);
            String value = null;
            if (!cursor.atEnd()) {
                int delim = buf.charAt(cursor.getPos());
                cursor.updatePos(cursor.getPos() + 1);
                if (delim == '=') {
                    delimSet.clear(61);
                    value = tokenParser.parseValue(buf, cursor, delimSet);
                    if (!cursor.atEnd()) {
                        cursor.updatePos(cursor.getPos() + 1);
                    }
                }
            }

            if (!name.isEmpty()) {
                list.add(new BasicNameValuePair(name, value));
            }
        }

        return list;
    }
}