diff options
Diffstat (limited to 'qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/actions/AbstractAction.java')
| -rw-r--r-- | qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/actions/AbstractAction.java | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/actions/AbstractAction.java b/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/actions/AbstractAction.java new file mode 100644 index 0000000000..5d892f5503 --- /dev/null +++ b/qpid/java/management/eclipse-plugin/src/main/java/org/apache/qpid/management/ui/actions/AbstractAction.java @@ -0,0 +1,220 @@ +/* + * + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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.apache.qpid.management.ui.actions; + +import static org.apache.qpid.management.ui.Constants.ERROR_SERVER_CONNECTION; + +import java.io.IOException; + +import javax.net.ssl.SSLException; +import javax.net.ssl.SSLHandshakeException; +import javax.net.ssl.SSLKeyException; +import javax.net.ssl.SSLPeerUnverifiedException; + +import org.apache.qpid.management.ui.ApplicationRegistry; +import org.apache.qpid.management.ui.ApplicationWorkbenchAdvisor; +import org.apache.qpid.management.ui.Constants; +import org.apache.qpid.management.ui.exceptions.ManagementConsoleException; +import org.apache.qpid.management.ui.jmx.MBeanUtility; +import org.apache.qpid.management.ui.views.NavigationView; +import org.eclipse.core.runtime.IStatus; +import org.eclipse.core.runtime.Status; +import org.eclipse.jface.action.IAction; +import org.eclipse.jface.dialogs.ErrorDialog; +import org.eclipse.jface.viewers.ISelection; +import org.eclipse.ui.IWorkbenchWindow; +import org.eclipse.ui.IWorkbenchWindowActionDelegate; + +public class AbstractAction +{ + private NavigationView _navigationView; + + protected IWorkbenchWindow _window; + + public static final String INVALID_PERSPECTIVE = "Invalid Perspective"; + public static final String CHANGE_PERSPECTIVE = "Please use the Qpid Management Perspective"; + + private static final String SSL_EMPTY_TRUSTANCHORS = "the trustAnchors parameter must be non-empty"; + private static final String SSL_UNABLE_TO_FIND_CERTPATH = "sun.security.provider.certpath.SunCertPathBuilderException: " + + "unable to find valid certification path to requested target"; + + /** + * We will cache window object in order to + * be able to provide parent shell for the message dialog. + * @see IWorkbenchWindowActionDelegate#init + */ + public void init(IWorkbenchWindow window) + { + this._window = window; + if (_window.getShell() != null) + { + _window.getShell().setImage(ApplicationRegistry.getImage(Constants.CONSOLE_IMAGE)); + } + } + + protected NavigationView getNavigationView() + { + if (_navigationView == null) + { + _navigationView = (NavigationView)_window.getActivePage().findView(NavigationView.ID); + } + + return _navigationView; + } + + protected void handleException(Throwable ex, String title, String msg) + { + //ensure first that the exception is not due to running in the wrong eclipse perspective + NavigationView view = (NavigationView)_window.getActivePage().findView(NavigationView.ID); + if (view == null) + { + IStatus status = new Status(IStatus.WARNING, ApplicationWorkbenchAdvisor.PERSPECTIVE_ID, + IStatus.OK, CHANGE_PERSPECTIVE, null); + ErrorDialog.openError(_window.getShell(), "Warning", INVALID_PERSPECTIVE, status); + return; + } + + //default title if none given + if (title == null) + { + title = ERROR_SERVER_CONNECTION; + } + + //determine the error message to display + if (msg == null) + { + if (ex instanceof SSLException) + { + if (ex instanceof SSLKeyException) + { + msg = "SSL key was invalid, please check the certificate configuration."; + //Display error dialogue and return + displayErrorDialogue(msg, title); + return; + } + else if (ex instanceof SSLPeerUnverifiedException) + { + msg = "SSL peer identity could not be verified, please ensure valid certificate configuration."; + //Display error dialogue and return + displayErrorDialogue(msg, title); + return; + } + else if (ex instanceof SSLHandshakeException) + { + if (ex.getMessage().contains(SSL_UNABLE_TO_FIND_CERTPATH)) + { + msg = "Unable to certify the provided SSL certificate using the current SSL trust store."; + } + else + { + //cause unknown, provide a trace too + MBeanUtility.printStackTrace(ex); + msg = "SSL handhshake error."; + } + //Display error dialogue and return + displayErrorDialogue(msg, title); + return; + } + else + { + //general SSL Exception. + if (ex.getMessage().contains(SSL_EMPTY_TRUSTANCHORS)) + { + msg = "Unable to locate the specified SSL certificate trust store, please check the configuration."; + } + else + { + //cause unknown, print stack trace + MBeanUtility.printStackTrace(ex); + msg = "SSL connection error."; + } + //Display error dialogue and return + displayErrorDialogue(msg, title); + return; + } + } + else if (ex instanceof IOException || ex instanceof SecurityException ) + { + msg = ex.getMessage(); + + //if msg is still null, try reporting the cause. + if ((msg == null) && (ex.getCause() != null)) + { + msg = ex.getCause().getMessage(); + } + + //Display error dialogue and return + displayErrorDialogue(msg, title); + return; + } + else if (ex instanceof ManagementConsoleException) + { + msg = ex.getMessage(); + displayErrorDialogue(msg, title); + return; + } + else + { + //Unknown exception type/reason. + msg = ex.getMessage(); + } + + //if msg is still null, try reporting the cause. + if ((msg == null) && (ex.getCause() != null)) + { + msg = ex.getCause().getMessage(); + } + + //failing all else, default non-descript error message. + if (msg == null) + { + msg = "An unknown error has occured."; + } + } + + //Display error dialogue and print the exception stack trace + MBeanUtility.printStackTrace(ex); + displayErrorDialogue(msg, title); + } + + private void displayErrorDialogue(String msg, String title) + { + IStatus status = new Status(IStatus.ERROR, ApplicationWorkbenchAdvisor.PERSPECTIVE_ID, + IStatus.OK, msg, null); + ErrorDialog.openError(_window.getShell(), "Error", title, status); + } + + /** + * Selection in the workbench has been changed. We can change the state of the 'real' action here + * if we want, but this can only happen after the delegate has been created. + * @see IWorkbenchWindowActionDelegate#selectionChanged + */ + public void selectionChanged(IAction action, ISelection selection) { + } + + /** + * We can use this method to dispose of any system resources we previously allocated. + * @see IWorkbenchWindowActionDelegate#dispose + */ + public void dispose() { + + } +} |