org.jboss.as.console.client.shared.dispatch.impl.DMRHandler Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of switchyard-console-as7-core
Show all versions of switchyard-console-as7-core
Bundles the core AS7 console as a GWT module. Includes minor customizations to support extensions.
/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public License,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.console.client.shared.dispatch.impl;
import com.allen_sauer.gwt.log.client.Log;
import com.google.gwt.http.client.Request;
import com.google.gwt.http.client.RequestBuilder;
import com.google.gwt.http.client.RequestCallback;
import com.google.gwt.http.client.RequestException;
import com.google.gwt.http.client.Response;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.inject.Inject;
import org.jboss.as.console.client.core.BootstrapContext;
import org.jboss.as.console.client.core.UIConstants;
import org.jboss.as.console.client.shared.dispatch.ActionHandler;
import org.jboss.as.console.client.shared.dispatch.DispatchRequest;
import org.jboss.as.console.client.shared.dispatch.InvocationMetrics;
import org.jboss.dmr.client.ModelNode;
/**
* @author Heiko Braun
* @date 3/17/11
*/
public class DMRHandler implements ActionHandler {
private static final String HEADER_CONTENT_TYPE = "Content-Type";
private static final String HEADER_ACCEPT = "Accept";
private static final String DMR_ENCODED = "application/dmr-encoded";
private static final String HEADER_CONNECTION = "Connection";
private static final String KEEP_ALIVE = "Keep-Alive";
private final RequestBuilder requestBuilder;
private boolean trackInvocations = false; //!GWT.isScript(); TODO
private InvocationMetrics metrics;
private UIConstants constants;
@Inject
public DMRHandler(BootstrapContext bootstrap, InvocationMetrics metrics, UIConstants constants) {
this.metrics = metrics;
this.constants = constants;
requestBuilder = new RequestBuilder(
RequestBuilder.POST,
bootstrap.getProperty(BootstrapContext.DOMAIN_API)
);
requestBuilder.setHeader(HEADER_ACCEPT, DMR_ENCODED);
requestBuilder.setHeader(HEADER_CONTENT_TYPE, DMR_ENCODED);
requestBuilder.setHeader(HEADER_CONNECTION, KEEP_ALIVE);
}
@Override
public DispatchRequest execute(DMRAction action, final AsyncCallback resultCallback) {
assert action.getOperation()!=null;
final ModelNode operation = action.getOperation();
if(trackInvocations)
{
metrics.addInvocation(operation);
}
Request requestHandle = executeRequest(resultCallback, operation);
return new DispatchRequestHandle(requestHandle);
}
private Request executeRequest(final AsyncCallback resultCallback, final ModelNode operation) {
Request requestHandle = null;
try {
requestHandle = requestBuilder.sendRequest(operation.toBase64String(), new RequestCallback() {
@Override
public void onResponseReceived(Request request, Response response) {
int statusCode = response.getStatusCode();
if(200== statusCode)
{
resultCallback.onSuccess(
new DMRResponse(
response.getText(),
response.getHeader(HEADER_CONTENT_TYPE)
)
);
}
else if(401 == statusCode || 0 == statusCode)
{
Log.error("Authentication required. Could not execute "+operation.toString());
}
else if(307 == statusCode)
{
String location = response.getHeader("Location");
Log.error("Redirect '"+location+"'. Could not execute "+operation.toString());
redirect(location);
}
else
{
StringBuilder sb = new StringBuilder();
sb.append(constants.common_error_unexpectedHttpResponse()).append(": ").append(statusCode);
sb.append("\n\n");
sb.append("Request\n");
sb.append(operation.toString());
sb.append("\n\nResponse\n\n");
sb.append(response.getStatusText()).append("\n");
String payload = response.getText().equals("") ? constants.common_error_detailsMissing() :
ModelNode.fromBase64(response.getText()).toString();
sb.append(payload);
resultCallback.onFailure( new Exception(sb.toString()));
}
}
@Override
public void onError(Request request, Throwable e) {
resultCallback.onFailure(e);
}
});
} catch (RequestException e) {
resultCallback.onFailure(e);
}
return requestHandle;
}
@Override
public DispatchRequest undo(DMRAction action, DMRResponse result, AsyncCallback callback) {
throw new RuntimeException("Not implemented yet.");
}
class DispatchRequestHandle implements DispatchRequest
{
private Request delegate;
DispatchRequestHandle(Request delegate) {
this.delegate = delegate;
}
@Override
public void cancel() {
if(delegate!=null) delegate.cancel();
}
@Override
public boolean isPending() {
return delegate!=null ? delegate.isPending() : false;
}
}
public static native void redirect(String url)/*-{
$wnd.location = url;
}-*/;
}