/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.viewer.restfulobjects.applib;
import javax.ws.rs.core.MediaType;
import org.apache.isis.viewer.restfulobjects.applib.client.ClientRequestConfigurer;
import org.apache.isis.viewer.restfulobjects.applib.client.RestfulRequest;
import org.apache.isis.viewer.restfulobjects.applib.client.RestfulResponse;
import org.codehaus.jackson.JsonNode;
import org.codehaus.jackson.node.JsonNodeFactory;
import org.codehaus.jackson.node.ObjectNode;
import org.jboss.resteasy.client.ClientExecutor;
public final class LinkRepresentation extends JsonRepresentation {
public LinkRepresentation() {
this(new ObjectNode(JsonNodeFactory.instance));
withMethod(RestfulHttpMethod.GET);
}
public LinkRepresentation(final JsonNode jsonNode) {
super(jsonNode);
}
public String getRel() {
return asObjectNode().path("rel").getTextValue();
}
public LinkRepresentation withRel(final String rel) {
asObjectNode().put("rel", rel);
return this;
}
public LinkRepresentation withRel(Rel rel) {
return withRel(rel.getName());
}
public String getHref() {
return asObjectNode().path("href").getTextValue();
}
public LinkRepresentation withHref(final String href) {
asObjectNode().put("href", href);
return this;
}
public JsonRepresentation getValue() {
return getRepresentation("value");
}
public String getTitle() {
return getString("title");
}
public LinkRepresentation withTitle(final String title) {
asObjectNode().put("title", title);
return this;
}
public RestfulHttpMethod getHttpMethod() {
final String methodStr = asObjectNode().path("method").getTextValue();
return RestfulHttpMethod.valueOf(methodStr);
}
public MediaType getType() {
final String typeStr = asObjectNode().path("type").getTextValue();
if (typeStr == null) {
return MediaType.APPLICATION_JSON_TYPE;
}
return MediaType.valueOf(typeStr);
}
public LinkRepresentation withMethod(final RestfulHttpMethod httpMethod) {
asObjectNode().put("method", httpMethod.name());
return this;
}
/**
* Returns the "arguments" json-property of the link (a map).
*
* <p>
* If there is no "arguments" node, then as a convenience will
* return an empty map.
*
* @return
*/
public JsonRepresentation getArguments() {
final JsonNode arguments = asObjectNode().get("arguments");
if (arguments == null || arguments.isNull()) {
return JsonRepresentation.newMap();
}
return new JsonRepresentation(arguments);
}
public <T> RestfulResponse<JsonRepresentation> follow(final ClientExecutor executor) throws Exception {
return follow(executor, null);
}
public <T extends JsonRepresentation> RestfulResponse<T> follow(final ClientExecutor executor, final JsonRepresentation requestArgs) throws Exception {
final ClientRequestConfigurer clientRequestConfigurer = ClientRequestConfigurer.create(executor, getHref());
clientRequestConfigurer.accept(MediaType.APPLICATION_JSON_TYPE);
clientRequestConfigurer.setHttpMethod(getHttpMethod());
clientRequestConfigurer.configureArgs(requestArgs);
final RestfulRequest restfulRequest = new RestfulRequest(clientRequestConfigurer);
return restfulRequest.executeT();
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((getHref() == null) ? 0 : getHref().hashCode());
result = prime * result + ((getHttpMethod() == null) ? 0 : getHttpMethod().hashCode());
return result;
}
@Override
public boolean equals(final Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final LinkRepresentation other = (LinkRepresentation) obj;
if (getHref() == null) {
if (other.getHref() != null) {
return false;
}
} else if (!getHref().equals(other.getHref())) {
return false;
}
if (getHttpMethod() != other.getHttpMethod()) {
return false;
}
return true;
}
@Override
public String toString() {
return "Link [rel=" + getRel() + ", href=" + getHref() + ", method=" + getHttpMethod() + ", type=" + getType() + "]";
}
}