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Fix handling of URI query params (#38)
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2 files changed

+78
-7
lines changed

2 files changed

+78
-7
lines changed

‎src/main/java/com/nordstrom/common/uri/UriUtils.java‎

Lines changed: 28 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -3,6 +3,10 @@
33
import java.net.URI;
44
import java.net.URISyntaxException;
55
import java.net.URL;
6+
import java.net.URLEncoder;
7+
import java.nio.charset.StandardCharsets;
8+
import java.util.stream.Collectors;
9+
import java.util.stream.IntStream;
610

711
public class UriUtils {
812

@@ -16,11 +20,11 @@ private UriUtils() {
1620
* and specified path string.
1721
*
1822
* @param context context URL
19-
* @param path path component
20-
* @return URI for the specified path within the provided context
23+
* @param pathAndParams path component and query parameters
24+
* @return URI for the specified path and parameters within the provided context
2125
*/
22-
public static URI uriForPath(final URL context, final String path) {
23-
return makeBasicURI(context.getProtocol(), context.getHost(), context.getPort(), path);
26+
public static URI uriForPath(final URL context, final String... pathAndParams) {
27+
return makeBasicURI(context.getProtocol(), context.getHost(), context.getPort(), pathAndParams);
2428
}
2529

2630
/**
@@ -29,12 +33,29 @@ public static URI uriForPath(final URL context, final String path) {
2933
* @param scheme scheme name
3034
* @param host host name
3135
* @param port port number
32-
* @param path path
36+
* @param pathAndParams path and query parameters
3337
* @return assembled basic URI
3438
*/
35-
public static URI makeBasicURI(final String scheme, final String host, final int port, final String path) {
39+
public static URI makeBasicURI(final String scheme, final String host, final int port,
40+
final String... pathAndParams) {
3641
try {
37-
return new URI(scheme, null, host, port, path, null, null);
42+
String path = (pathAndParams.length > 0) ? pathAndParams[0] : null;
43+
String query = null;
44+
if (pathAndParams.length > 1) {
45+
query = IntStream.range(1, pathAndParams.length).mapToObj(i -> {
46+
try {
47+
String param = pathAndParams[i];
48+
int index = param.indexOf("=");
49+
if (index == -1) return URLEncoder.encode(param, StandardCharsets.UTF_8.toString());
50+
String key = URLEncoder.encode(param.substring(0, index), StandardCharsets.UTF_8.toString());
51+
String val = URLEncoder.encode(param.substring(index + 1), StandardCharsets.UTF_8.toString());
52+
return key + "=" + val;
53+
} catch (Exception e) {
54+
throw new IllegalArgumentException(e.getMessage(), e);
55+
}
56+
}).collect(Collectors.joining("&"));
57+
}
58+
return new URI(scheme, null, host, port, path, query, null);
3859
} catch (URISyntaxException e) {
3960
throw new IllegalArgumentException(e.getMessage(), e);
4061
}

‎src/test/java/com/nordstrom/common/uri/UriUtilsTest.java‎

Lines changed: 50 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,19 @@
1010

1111
public class UriUtilsTest {
1212

13+
@Test
14+
public void testUriWithoutPath() throws MalformedURLException {
15+
URL context = URI.create("http://user:pswd@host.com:80/context/path?id=123#frag").toURL();
16+
URI pathURI = UriUtils.uriForPath(context);
17+
assertEquals(pathURI.getScheme(), "http", "Scheme mismatch");
18+
assertEquals(pathURI.getUserInfo(), null, "User info mismatch");
19+
assertEquals(pathURI.getHost(), "host.com", "Host mismatch");
20+
assertEquals(pathURI.getPort(), 80, "Post mismatch");
21+
assertEquals(pathURI.getPath(), "", "Path mismatch");
22+
assertEquals(pathURI.getQuery(), null, "Query mismatch");
23+
assertEquals(pathURI.getFragment(), null, "Fragment mismatch");
24+
}
25+
1326
@Test
1427
public void testUriForPath() throws MalformedURLException {
1528
URL context = URI.create("http://user:pswd@host.com:80/context/path?id=123#frag").toURL();
@@ -23,8 +36,33 @@ public void testUriForPath() throws MalformedURLException {
2336
assertEquals(pathURI.getFragment(), null, "Fragment mismatch");
2437
}
2538

39+
@Test
40+
public void testUriForPathAndParams() throws MalformedURLException {
41+
URL context = URI.create("http://user:pswd@host.com:80/context/path?id=123#frag").toURL();
42+
URI pathURI = UriUtils.uriForPath(context, "/target", "id=321", "q=fresh & clean");
43+
assertEquals(pathURI.getScheme(), "http", "Scheme mismatch");
44+
assertEquals(pathURI.getUserInfo(), null, "User info mismatch");
45+
assertEquals(pathURI.getHost(), "host.com", "Host mismatch");
46+
assertEquals(pathURI.getPort(), 80, "Post mismatch");
47+
assertEquals(pathURI.getPath(), "/target", "Path mismatch");
48+
assertEquals(pathURI.getQuery(), "id=321&q=fresh+%26+clean", "Query mismatch");
49+
assertEquals(pathURI.getFragment(), null, "Fragment mismatch");
50+
}
51+
2652
@Test
2753
public void testMakeBasicURI() {
54+
URI basicURI = UriUtils.makeBasicURI("http", "host.com", 80);
55+
assertEquals(basicURI.getScheme(), "http", "Scheme mismatch");
56+
assertEquals(basicURI.getUserInfo(), null, "User info mismatch");
57+
assertEquals(basicURI.getHost(), "host.com", "Host mismatch");
58+
assertEquals(basicURI.getPort(), 80, "Post mismatch");
59+
assertEquals(basicURI.getPath(), "", "Path mismatch");
60+
assertEquals(basicURI.getQuery(), null, "Query mismatch");
61+
assertEquals(basicURI.getFragment(), null, "Fragment mismatch");
62+
}
63+
64+
@Test
65+
public void testMakeBasicURIWithPath() {
2866
URI basicURI = UriUtils.makeBasicURI("http", "host.com", 80, "/target");
2967
assertEquals(basicURI.getScheme(), "http", "Scheme mismatch");
3068
assertEquals(basicURI.getUserInfo(), null, "User info mismatch");
@@ -34,4 +72,16 @@ public void testMakeBasicURI() {
3472
assertEquals(basicURI.getQuery(), null, "Query mismatch");
3573
assertEquals(basicURI.getFragment(), null, "Fragment mismatch");
3674
}
75+
76+
@Test
77+
public void testMakeBasicURIWithPathAndParams() {
78+
URI basicURI = UriUtils.makeBasicURI("http", "host.com", 80, "/target", "id=123", "q=fresh & clean");
79+
assertEquals(basicURI.getScheme(), "http", "Scheme mismatch");
80+
assertEquals(basicURI.getUserInfo(), null, "User info mismatch");
81+
assertEquals(basicURI.getHost(), "host.com", "Host mismatch");
82+
assertEquals(basicURI.getPort(), 80, "Post mismatch");
83+
assertEquals(basicURI.getPath(), "/target", "Path mismatch");
84+
assertEquals(basicURI.getQuery(), "id=123&q=fresh+%26+clean", "Query mismatch");
85+
assertEquals(basicURI.getFragment(), null, "Fragment mismatch");
86+
}
3787
}

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