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| 1 | +package util; |
| 2 | + |
| 3 | +import java.util.Arrays; |
| 4 | +import java.util.Map; |
| 5 | +import java.util.stream.Collectors; |
| 6 | + |
| 7 | +import com.google.common.base.Strings; |
| 8 | +import com.google.common.collect.Maps; |
| 9 | + |
| 10 | +public class HttpRequestUtils { |
| 11 | + /** |
| 12 | + * @param queryString은 |
| 13 | + * URL에서 ? 이후에 전달되는 field1=value1&field2=value2 형식임 |
| 14 | + * @return |
| 15 | + */ |
| 16 | + public static Map<String, String> parseQueryString(String queryString) { |
| 17 | + return parseValues(queryString, "&"); |
| 18 | + } |
| 19 | + |
| 20 | + /** |
| 21 | + * @param 쿠키 |
| 22 | + * 값은 name1=value1; name2=value2 형식임 |
| 23 | + * @return |
| 24 | + */ |
| 25 | + public static Map<String, String> parseCookies(String cookies) { |
| 26 | + return parseValues(cookies, ";"); |
| 27 | + } |
| 28 | + |
| 29 | + private static Map<String, String> parseValues(String values, String separator) { |
| 30 | + if (Strings.isNullOrEmpty(values)) { |
| 31 | + return Maps.newHashMap(); |
| 32 | + } |
| 33 | + |
| 34 | + String[] tokens = values.split(separator); |
| 35 | + return Arrays.stream(tokens).map(t -> getKeyValue(t, "=")).filter(p -> p != null) |
| 36 | + .collect(Collectors.toMap(p -> p.getKey(), p -> p.getValue())); |
| 37 | + } |
| 38 | + |
| 39 | + static Pair getKeyValue(String keyValue, String regex) { |
| 40 | + if (Strings.isNullOrEmpty(keyValue)) { |
| 41 | + return null; |
| 42 | + } |
| 43 | + |
| 44 | + String[] tokens = keyValue.split(regex); |
| 45 | + if (tokens.length != 2) { |
| 46 | + return null; |
| 47 | + } |
| 48 | + |
| 49 | + return new Pair(tokens[0], tokens[1]); |
| 50 | + } |
| 51 | + |
| 52 | + public static Pair parseHeader(String header) { |
| 53 | + return getKeyValue(header, ": "); |
| 54 | + } |
| 55 | + |
| 56 | + public static class Pair { |
| 57 | + String key; |
| 58 | + String value; |
| 59 | + |
| 60 | + Pair(String key, String value) { |
| 61 | + this.key = key.trim(); |
| 62 | + this.value = value.trim(); |
| 63 | + } |
| 64 | + |
| 65 | + public String getKey() { |
| 66 | + return key; |
| 67 | + } |
| 68 | + |
| 69 | + public String getValue() { |
| 70 | + return value; |
| 71 | + } |
| 72 | + |
| 73 | + @Override |
| 74 | + public int hashCode() { |
| 75 | + final int prime = 31; |
| 76 | + int result = 1; |
| 77 | + result = prime * result + ((key == null) ? 0 : key.hashCode()); |
| 78 | + result = prime * result + ((value == null) ? 0 : value.hashCode()); |
| 79 | + return result; |
| 80 | + } |
| 81 | + |
| 82 | + @Override |
| 83 | + public boolean equals(Object obj) { |
| 84 | + if (this == obj) |
| 85 | + return true; |
| 86 | + if (obj == null) |
| 87 | + return false; |
| 88 | + if (getClass() != obj.getClass()) |
| 89 | + return false; |
| 90 | + Pair other = (Pair) obj; |
| 91 | + if (key == null) { |
| 92 | + if (other.key != null) |
| 93 | + return false; |
| 94 | + } else if (!key.equals(other.key)) |
| 95 | + return false; |
| 96 | + if (value == null) { |
| 97 | + if (other.value != null) |
| 98 | + return false; |
| 99 | + } else if (!value.equals(other.value)) |
| 100 | + return false; |
| 101 | + return true; |
| 102 | + } |
| 103 | + |
| 104 | + @Override |
| 105 | + public String toString() { |
| 106 | + return "Pair [key=" + key + ", value=" + value + "]"; |
| 107 | + } |
| 108 | + } |
| 109 | +} |
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