+package org.argeo.server;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import org.apache.commons.io.IOUtils;
+
+/** Answer to an execution of a remote service which performed changes. */
+public class ServerAnswer {
+ public final static String OK = "OK";
+ public final static String ERROR = "ERROR";
+
+ private String status = OK;
+ private String message = "";
+
+ /** Canonical constructor */
+ public ServerAnswer(String status, String message) {
+ setStatus(status);
+ if (message == null)
+ throw new ArgeoServerException("Message cannot be null");
+ this.message = message;
+ }
+
+ /** Empty constructor */
+ public ServerAnswer() {
+ }
+
+ public String getStatus() {
+ return status;
+ }
+
+ public void setStatus(String status) {
+ if (status == null || (!status.equals(OK) && !status.equals(ERROR)))
+ throw new ArgeoServerException("Bad status format: " + status);
+ this.status = status;
+ }
+
+ public String getMessage() {
+ return message;
+ }
+
+ public void setMessage(String message) {
+ this.message = message;
+ }
+
+ public Boolean isOk() {
+ return status.equals(OK);
+ }
+
+ public Boolean isError() {
+ return status.equals(ERROR);
+ }
+
+ public static ServerAnswer error(String message) {
+ return new ServerAnswer(ERROR, message);
+ }
+
+ public static ServerAnswer error(Throwable e) {
+ StringWriter writer = new StringWriter();
+ try {
+ e.printStackTrace(new PrintWriter(writer));
+ return new ServerAnswer(ERROR, writer.toString());
+ } finally {
+ IOUtils.closeQuietly(writer);
+ }
+ }
+
+ public static ServerAnswer ok(String message) {
+ return new ServerAnswer(OK, message);
+ }
+
+}