/*
* The MIT License
*
* Copyright (c) 2011, CloudBees, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson.util;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.kohsuke.stapler.HttpResponse;
import org.kohsuke.stapler.StaplerRequest;
import org.kohsuke.stapler.StaplerResponse;
import javax.annotation.Nonnull;
import javax.servlet.ServletException;
import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.Map;
/**
* Various {@link HttpResponse} implementations.
*
* <p>
* This class extends from Stapler so that we can move implementations from here to Stapler periodically.
*
* @author Kohsuke Kawaguchi
*/
public class HttpResponses extends org.kohsuke.stapler.HttpResponses {
public static HttpResponse staticResource(File f) throws IOException {
return staticResource(f.toURI().toURL());
}
/**
* Create an empty "ok" response.
*
* @since 2.0
*/
public static HttpResponse okJSON() {
return new JSONObjectResponse();
}
/**
* Create a response containing the supplied "data".
* @param data The data.
*
* @since 2.0
*/
public static HttpResponse okJSON(@Nonnull JSONObject data) {
return new JSONObjectResponse(data);
}
/**
* Create a response containing the supplied "data".
* @param data The data.
*
* @since 2.0
*/
public static HttpResponse okJSON(@Nonnull JSONArray data) {
return new JSONObjectResponse(data);
}
/**
* Create a response containing the supplied "data".
* @param data The data.
*
* @since 2.0
*/
public static HttpResponse okJSON(@Nonnull Map<?,?> data) {
return new JSONObjectResponse(data);
}
/**
* Set the response as an error response.
* @param message The error "message" set on the response.
* @return {@link this} object.
*
* @since 2.0
*/
public static HttpResponse errorJSON(@Nonnull String message) {
return new JSONObjectResponse().error(message);
}
/**
* {@link net.sf.json.JSONObject} response.
*
* @author <a href="mailto:tom.fennelly@gmail.com">tom.fennelly@gmail.com</a>
*/
static class JSONObjectResponse implements HttpResponse {
private static final Charset UTF8 = Charset.forName("UTF-8");
private final JSONObject jsonObject;
/**
* Create an empty "ok" response.
*/
JSONObjectResponse() {
this.jsonObject = new JSONObject();
status("ok");
}
/**
* Create a response containing the supplied "data".
* @param data The data.
*/
JSONObjectResponse(@Nonnull JSONObject data) {
this();
this.jsonObject.put("data", data);
}
/**
* Create a response containing the supplied "data".
* @param data The data.
*/
JSONObjectResponse(@Nonnull JSONArray data) {
this();
this.jsonObject.put("data", data);
}
/**
* Create a response containing the supplied "data".
* @param data The data.
*/
JSONObjectResponse(@Nonnull Map<?,?> data) {
this();
this.jsonObject.put("data", JSONObject.fromObject(data));
}
/**
* Set the response as an error response.
* @param message The error "message" set on the response.
* @return {@link this} object.
*/
@Nonnull JSONObjectResponse error(@Nonnull String message) {
status("error");
this.jsonObject.put("message", message);
return this;
}
/**
* Get the JSON response object.
* @return The JSON response object.
*/
@Nonnull JSONObject getJsonObject() {
return jsonObject;
}
private @Nonnull JSONObjectResponse status(@Nonnull String status) {
this.jsonObject.put("status", status);
return this;
}
/**
* {@inheritDoc}
*/
@Override
public void generateResponse(StaplerRequest req, StaplerResponse rsp, Object node) throws IOException, ServletException {
byte[] bytes = jsonObject.toString().getBytes(UTF8);
rsp.setContentType("application/json; charset=UTF-8");
rsp.setContentLength(bytes.length);
rsp.getOutputStream().write(bytes);
}
}
}