[CONF] Apache Wicket > How to write JSON response

[confluence]

How to write JSON response Page edited by Cameron McKay Comment: Original JSON wasn't valid, added the WebPage class and constructor to make it clearer Changes (16) ... ... getRequestCycle().setRequestTarget(new IRequestTarget() { public class JsonWebPage extends WebPage { @Override public void detach(RequestCycle requestCycle) { // nothing to do here } public JsonWebPage(PageParameters pageParameters) { getRequestCycle().setRequestTarget(new IRequestTarget() { @Override @Override public void respond(RequestCycle detach(RequestCycle requestCycle) { // Add JSON script to the response // Nothing to do here. requestCycle.getResponse().write("{myJSON:'myValue'}"); } @Override public void respond(RequestCycle requestCycle) { // Add JSON-encoded string to the response. requestCycle.getResponse().write("{\"jsonKey\":\"jsonValue\"}"); } }); } }); } ... {code} NOTE: You DO NOT need to manually write JSON response, there are libraries like [http://json-lib.sourceforge.net/] available that will allow you to convert an object hierarchy to something more useful in terms of JSON rather easily. For details, check the documentation at: [http://json-lib.sourceforge.net/usage.html]. Another library for JSON processing/generation is [jackson|http://jackson.codehaus.org/]. Another library for JSON processing/generation is [jackson|http://jackson.codehaus.org/]. Full Content In your WebPage... ... public class JsonWebPage extends WebPage { public JsonWebPage(PageParameters pageParameters) { getRequestCycle().setRequestTarget(new IRequestTarget() { @Override public void detach(RequestCycle requestCycle) { // Nothing to do here. } @Override public void respond(RequestCycle requestCycle) { // Add JSON-encoded string to the response. requestCycle.getResponse().write("{\"jsonKey\":\"jsonValue\"}"); } }); } } ... NOTE: You DO NOT need to manually write JSON response, there are libraries like http://json-lib.sourceforge.net/ available that will allow you to convert an object hierarchy to something more useful in terms of JSON rather easily. For details, check the documentation at: http://json-lib.sourceforge.net/usage.html. Another library for JSON processing/generation is jackson. Change Notification Preferences View Online | View Changes | Add Comment