org.glassfish.jersey.message.internal.JerseyLink Maven / Gradle / Ivy
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package org.glassfish.jersey.message.internal;
import java.net.URI;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.ws.rs.core.Link;
import javax.ws.rs.core.UriBuilder;
import org.glassfish.jersey.uri.UriTemplate;
import org.glassfish.jersey.uri.internal.JerseyUriBuilder;
/**
* Jersey implementation of {@link javax.ws.rs.core.Link JAX-RS Link} contract.
*
* @author Marek Potociar (marek.potociar at oracle.com)
*/
public final class JerseyLink extends javax.ws.rs.core.Link {
/**
* Underlying builder for link's URI.
*/
private final URI uri;
/**
* A map for all the link parameters such as "rel", "type", etc.
*/
private final Map params;
/**
* Jersey implementation of {@link javax.ws.rs.core.Link.Builder JAX-RS Link.Builder} contract.
*/
public static class Builder implements javax.ws.rs.core.Link.Builder {
/**
* Underlying builder for link's URI.
*/
private UriBuilder uriBuilder = new JerseyUriBuilder();
/**
* Base URI for resolution of a link URI (if relative).
*/
private URI baseUri = null;
/**
* A map for all the link parameters such as "rel", "type", etc.
*/
private Map params = new HashMap();
@Override
public Builder link(javax.ws.rs.core.Link link) {
uriBuilder.uri(link.getUri());
params.clear();
params.putAll(link.getParams());
return this;
}
@Override
public Builder link(String link) {
LinkProvider.initBuilder(this, link);
return this;
}
@Override
public Builder uri(URI uri) {
this.uriBuilder = UriBuilder.fromUri(uri);
return this;
}
@Override
public Builder uri(String uri) {
this.uriBuilder = UriBuilder.fromUri(uri);
return this;
}
@Override
public Builder uriBuilder(UriBuilder uriBuilder) {
this.uriBuilder = UriBuilder.fromUri(uriBuilder.toTemplate());
return this;
}
@Override
public Link.Builder baseUri(URI uri) {
this.baseUri = uri;
return this;
}
@Override
public Link.Builder baseUri(String uri) {
this.baseUri = URI.create(uri);
return this;
}
@Override
public Builder rel(String rel) {
final String rels = params.get(REL);
param(REL, rels == null ? rel : rels + " " + rel);
return this;
}
@Override
public Builder title(String title) {
param(TITLE, title);
return this;
}
@Override
public Builder type(String type) {
param(TYPE, type);
return this;
}
@Override
public Builder param(String name, String value) {
if (name == null || value == null) {
throw new IllegalArgumentException("Link parameter name or value is null");
}
params.put(name, value);
return this;
}
@Override
public JerseyLink build(Object... values) {
final URI linkUri = resolveLinkUri(values);
return new JerseyLink(linkUri, Collections.unmodifiableMap(new HashMap(params)));
}
@Override
public Link buildRelativized(URI uri, Object... values) {
final URI linkUri = UriTemplate.relativize(uri, resolveLinkUri(values));
return new JerseyLink(linkUri, Collections.unmodifiableMap(new HashMap(params)));
}
private URI resolveLinkUri(Object[] values) {
final URI linkUri = uriBuilder.build(values);
if (baseUri == null || linkUri.isAbsolute()) {
return UriTemplate.normalize(linkUri);
}
return UriTemplate.resolve(baseUri, linkUri);
}
}
private JerseyLink(URI uri, Map params) {
this.uri = uri;
this.params = params;
}
@Override
public URI getUri() {
return uri;
}
@Override
public UriBuilder getUriBuilder() {
return new JerseyUriBuilder().uri(uri);
}
@Override
public String getRel() {
return params.get(REL);
}
@Override
public List getRels() {
final String rels = params.get(REL);
return rels == null ? Collections.emptyList() : Arrays.asList(rels.split(" +"));
}
@Override
public String getTitle() {
return params.get(TITLE);
}
@Override
public String getType() {
return params.get(TYPE);
}
@Override
public Map getParams() {
return params;
}
@Override
public String toString() {
return LinkProvider.stringfy(this);
}
@Override
public boolean equals(Object other) {
if (this == other) {
return true;
}
if (other instanceof Link) {
final Link otherLink = (Link) other;
return uri.equals(otherLink.getUri()) && params.equals(otherLink.getParams());
}
return false;
}
@Override
public int hashCode() {
int hash = 3;
hash = 89 * hash + (this.uri != null ? this.uri.hashCode() : 0);
hash = 89 * hash + (this.params != null ? this.params.hashCode() : 0);
return hash;
}
}