Example usage for org.springframework.hateoas Link Link

Introduction

In this page you can find the example usage for org.springframework.hateoas Link Link.

Prototype

public Link(UriTemplate template, LinkRelation rel)

Source Link

Document

Creates a new Link from the given UriTemplate and rel.

Usage

From source file:org.springframework.hateoas.hal.Jackson2HalIntegrationTest.java

/**
 * @see #137//w w  w. j  a  va  2 s  .  c  o  m
 */
@Test
public void rendersTemplate() throws Exception {

    ResourceSupport support = new ResourceSupport();
    support.add(new Link("/foo{?bar}", "search"));

    assertThat(write(support), is(LINK_TEMPLATE));
}

From source file:org.springframework.hateoas.hal.Jackson2HalIntegrationTest.java

/**
 * @see #142/*from  w  w  w  .  j  a va2s  .c o  m*/
 */
@Test
public void rendersMultipleCuries() throws Exception {

    Resources<Object> resources = new Resources<Object>(Collections.emptySet());
    resources.add(new Link("foo", "myrel"));

    CurieProvider provider = new DefaultCurieProvider("default", new UriTemplate("/doc{?rel}")) {
        @Override
        public Collection<? extends Object> getCurieInformation(Links links) {
            return Arrays.asList(new Curie("foo", "bar"), new Curie("bar", "foo"));
        }
    };

    assertThat(getCuriedObjectMapper(provider).writeValueAsString(resources), is(MULTIPLE_CURIES_DOCUMENT));
}

From source file:org.springframework.hateoas.Link.java

/**
 * Turns the current template into a {@link Link} by expanding it using the given parameters.
 *
 * @param arguments/*from   ww w. j a  v a 2s  .  c o m*/
 * @return
 */
public Link expand(Object... arguments) {
    return new Link(getUriTemplate().expand(arguments).toString(), getRel());
}

From source file:org.springframework.hateoas.Link.java

/**
 * Turns the current template into a {@link Link} by expanding it using the given parameters.
 *
 * @param arguments must not be {@literal null}.
 * @return/*from w  ww .  ja va2  s  . co  m*/
 */
public Link expand(Map<String, ? extends Object> arguments) {
    return new Link(getUriTemplate().expand(arguments).toString(), getRel());
}

From source file:org.springframework.hateoas.Link.java

/**
 * Factory method to easily create {@link Link} instances from RFC-5988 compatible {@link String} representations of a
 * link. Will return {@literal null} if an empty or {@literal null} {@link String} is given.
 *
 * @param element an RFC-5899 compatible representation of a link.
 * @throws IllegalArgumentException if a non-empty {@link String} was given that does not adhere to RFC-5899.
 * @throws IllegalArgumentException if no {@code rel} attribute could be found.
 * @return// w w  w.j a v  a  2  s. c o  m
 */
public static Link valueOf(String element) {

    if (!StringUtils.hasText(element)) {
        return null;
    }

    Pattern uriAndAttributes = Pattern.compile("<(.*)>;(.*)");
    Matcher matcher = uriAndAttributes.matcher(element);

    if (matcher.find()) {

        Map<String, String> attributes = getAttributeMap(matcher.group(2));

        if (!attributes.containsKey("rel")) {
            throw new IllegalArgumentException("Link does not provide a rel attribute!");
        }

        return new Link(matcher.group(1), attributes.get("rel"));

    } else {
        throw new IllegalArgumentException(
                String.format("Given link header %s is not RFC5988 compliant!", element));
    }
}

From source file:org.springframework.hateoas.LinkUnitTest.java

@Test
public void createsLinkFromRelAndHref() {
    Link link = new Link("foo", Link.REL_SELF);
    assertThat(link.getHref(), is("foo"));
    assertThat(link.getRel(), is(Link.REL_SELF));
}

From source file:org.springframework.hateoas.LinkUnitTest.java

@Test(expected = IllegalArgumentException.class)
public void rejectsNullRel() {
    new Link("foo", null);
}

From source file:org.springframework.hateoas.LinkUnitTest.java

@Test(expected = IllegalArgumentException.class)
public void rejectsEmptyRel() {
    new Link("foo", "");
}

From source file:org.springframework.hateoas.LinkUnitTest.java

@Test
public void sameRelAndHrefMakeSameLink() {

    Link left = new Link("foo", Link.REL_SELF);
    Link right = new Link("foo", Link.REL_SELF);

    TestUtils.assertEqualAndSameHashCode(left, right);
}

From source file:org.springframework.hateoas.LinkUnitTest.java

@Test
public void differentRelMakesDifferentLink() {

    Link left = new Link("foo", Link.REL_PREVIOUS);
    Link right = new Link("foo", Link.REL_NEXT);

    TestUtils.assertNotEqualAndDifferentHashCode(left, right);
}