geronimo-servlet_3.1_spec/src/main/java/javax/servlet/http/HttpUtils.java [78:110]:
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    static public Hashtable<String, String[]> parseQueryString(String s) {

        String valArray[];

        if (s == null) {
            throw new IllegalArgumentException();
        }
        Hashtable<String, String[]> ht = new Hashtable<String, String[]>();
        StringBuffer sb = new StringBuffer();
        StringTokenizer st = new StringTokenizer(s, "&");
        while (st.hasMoreTokens()) {
            String pair = st.nextToken();
            int pos = pair.indexOf('=');
            if (pos == -1) {
                // XXX
                // should give more detail about the illegal argument
                throw new IllegalArgumentException();
            }
            String key = parseName(pair.substring(0, pos), sb);
            String val = parseName(pair.substring(pos + 1, pair.length()), sb);
            if (ht.containsKey(key)) {
                String oldVals[] = ht.get(key);
                valArray = new String[oldVals.length + 1];
                System.arraycopy(oldVals, 0, valArray, 0, oldVals.length);
                valArray[oldVals.length] = val;
            } else {
                valArray = new String[1];
                valArray[0] = val;
            }
            ht.put(key, valArray);
        }
        return ht;
    }
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geronimo-servlet_3.0_spec/src/main/java/javax/servlet/http/HttpUtils.java [78:110]:
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    static public Hashtable<String, String[]> parseQueryString(String s) {

        String valArray[];

        if (s == null) {
            throw new IllegalArgumentException();
        }
        Hashtable<String, String[]> ht = new Hashtable<String, String[]>();
        StringBuffer sb = new StringBuffer();
        StringTokenizer st = new StringTokenizer(s, "&");
        while (st.hasMoreTokens()) {
            String pair = st.nextToken();
            int pos = pair.indexOf('=');
            if (pos == -1) {
                // XXX
                // should give more detail about the illegal argument
                throw new IllegalArgumentException();
            }
            String key = parseName(pair.substring(0, pos), sb);
            String val = parseName(pair.substring(pos + 1, pair.length()), sb);
            if (ht.containsKey(key)) {
                String oldVals[] = ht.get(key);
                valArray = new String[oldVals.length + 1];
                System.arraycopy(oldVals, 0, valArray, 0, oldVals.length);
                valArray[oldVals.length] = val;
            } else {
                valArray = new String[1];
                valArray[0] = val;
            }
            ht.put(key, valArray);
        }
        return ht;
    }
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