1 files changed, 129 insertions, 0 deletions
diff --git a/src/org/traccar/api/ResponseBuilder.java b/src/org/traccar/api/ResponseBuilder.java
new file mode 100644
index 000000000..195cb1923
--- /dev/null
+++ b/src/org/traccar/api/ResponseBuilder.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2015 Anton Tananaev (anton.tananaev@gmail.com)
+ *
+ * Licensed 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.traccar.api;
+
+import java.io.Serializable;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.logging.Logger;
+import javax.ws.rs.core.Response;
+
+public final class ResponseBuilder implements Serializable {
+
+    private static final long serialVersionUID = -2348334499023022836L;
+
+    private static final String WWW_AUTHENTICATE = "WWW-Authenticate";
+    private static final String BASIC_REALM = "Basic realm=\"api\"";
+    private static final String ERROR = "error";
+
+    private ResponseBuilder() {
+    }
+
+    public static Response ok() {
+        return Response.status(Response.Status.OK).build();
+    }
+
+    public static <T> Response ok(T entity) {
+        return Response.status(Response.Status.OK).entity(entity).build();
+    }
+
+    public static <T> Response ok(Collection<T> entities) {
+        return Response.ok(entities).build();
+    }
+
+    public static Response created() {
+        return Response.status(Response.Status.CREATED).build();
+    }
+
+    public static <T> Response created(T entity) {
+        return Response.status(Response.Status.CREATED).entity(entity).build();
+    }
+
+    public static Response accepted() {
+        return Response.status(Response.Status.ACCEPTED).build();
+    }
+
+    public static <T> Response accepted(T entity) {
+        return Response.status(Response.Status.ACCEPTED).entity(entity).build();
+    }
+
+    public static Response deleted() {
+        return Response.status(Response.Status.NO_CONTENT).build();
+    }
+
+    public static Response notModified() {
+        return Response.status(Response.Status.NOT_MODIFIED).build();
+    }
+
+    public static Response badRequest() {
+        return Response.status(Response.Status.BAD_REQUEST).build();
+    }
+
+    public static Response badRequest(Exception e) {
+        return Response.status(Response.Status.BAD_REQUEST).entity(getError(e)).build();
+    }
+
+    public static Response unauthorized() {
+        return Response.status(Response.Status.UNAUTHORIZED).header(WWW_AUTHENTICATE, BASIC_REALM).build();
+    }
+
+    public static Response forbidden() {
+        return Response.status(Response.Status.FORBIDDEN).entity(getError(Response.Status.FORBIDDEN.name())).build();
+    }
+
+    public static Response notFound() {
+        return Response.status(Response.Status.NOT_FOUND).build();
+    }
+
+    public static Response timeout() {
+        return Response.status(Response.Status.REQUEST_TIMEOUT).build();
+    }
+
+    public static Response conflict() {
+        return Response.status(Response.Status.CONFLICT).build();
+    }
+
+    public static Response conflict(Exception e) {
+        return Response.status(Response.Status.CONFLICT).entity(getError(e)).build();
+    }
+
+    public static Response notImplemented() {
+        return Response.status(Response.Status.NOT_IMPLEMENTED).build();
+    }
+
+    public static Response redirect(String uri) {
+        try {
+            return Response.seeOther(new URI(uri)).build();
+        } catch (URISyntaxException e) {
+            Logger.getAnonymousLogger().warning(e.getMessage());
+            return null;
+        }
+    }
+
+    private static Map<String, String> getError(Exception e) {
+        return getError(e.getMessage());
+    }
+
+    private static Map<String, String> getError(String message) {
+        Map<String, String> error = new HashMap<>();
+        error.put(ERROR, message);
+        return error;
+    }
+
+}