| /******************************************************************************* |
| * Copyright (c) 2006 BEA Systems, Inc |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * rfrost@bea.com - initial API and impl |
| *******************************************************************************/ |
| package org.eclipse.jst.j2ee.application.internal.operations; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Properties; |
| |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jst.j2ee.application.Application; |
| import org.eclipse.jst.j2ee.application.Module; |
| import org.eclipse.jst.j2ee.application.WebModule; |
| import org.eclipse.jst.j2ee.componentcore.util.EARArtifactEdit; |
| import org.eclipse.jst.j2ee.internal.J2EEConstants; |
| import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin; |
| import org.eclipse.jst.j2ee.project.EarUtilities; |
| import org.eclipse.wst.common.componentcore.ComponentCore; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; |
| import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelOperation; |
| import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory; |
| import org.eclipse.wst.common.frameworks.datamodel.IDataModel; |
| |
| /** |
| * <code>AbstractDataModelOperation</code> subclass that computes the set of referencing EARs |
| * in which the context-root for a given module will be updated in the application.xml file. |
| */ |
| public class ComputeEARsForContextRootUpdateOp extends AbstractDataModelOperation implements IUpdateModuleContextRootProperties { |
| |
| public ComputeEARsForContextRootUpdateOp() { |
| super(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.commands.operations.IUndoableOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable) |
| */ |
| @Override |
| public IStatus execute(final IProgressMonitor monitor, final IAdaptable info) throws ExecutionException { |
| if (monitor != null) { |
| monitor.beginTask("", 1); //$NON-NLS-1$ |
| } |
| |
| final IProject project = (IProject)model.getProperty(PROJECT); |
| final List earsToUpdate = new ArrayList(); |
| try { |
| // get the set of all referencing EARs |
| final IProject[] ears = EarUtilities.getReferencingEARProjects(project); |
| |
| // for each EAR, check if the current context-root value is equal to the old context-root setting |
| // if it is, update it to reflect the new value |
| for (int i = 0; i < ears.length; i++) { |
| // check if the current value of the context-root for the module |
| // is equal to the value stored in the associated EAR's |
| // application.xml |
| if (currentRootEqualsEARRoot(ears[i], project)) { |
| earsToUpdate.add(ears[i]); |
| } |
| } |
| // Save the list of EARs to update in a nested IDataModel |
| IDataModel nestedModel = DataModelFactory.createDataModel(new ComputeEARsForContextRootUpdateDataModelProvider()); |
| nestedModel.setProperty(EARS_TO_UPDATE, earsToUpdate); |
| model.addNestedModel(NESTED_MODEL_ID, nestedModel); |
| |
| } catch (Exception e) { |
| J2EEPlugin.logError(e); |
| } finally { |
| if (monitor != null) { |
| monitor.done(); |
| } |
| } |
| return OK_STATUS; |
| } |
| |
| /* |
| * Determines if the current module context-root is equal to the value in the application.xml. |
| */ |
| private boolean currentRootEqualsEARRoot(final IProject earProject, final IProject moduleProject) { |
| EARArtifactEdit earEdit = null; |
| try { |
| earEdit = EARArtifactEdit.getEARArtifactEditForRead(earProject); |
| if (earEdit == null) { |
| return false; |
| } |
| final Application app = earEdit.getApplication(); |
| final IVirtualComponent comp = ComponentCore.createComponent(moduleProject); |
| if (app == null || comp == null) { |
| return false; |
| } |
| final String moduleURI = earEdit.getModuleURI(comp); |
| final Module module = app.getFirstModule(moduleURI); |
| if (module != null && module instanceof WebModule) { |
| final Properties props = comp.getMetaProperties(); |
| if ((props != null) && (props.containsKey(J2EEConstants.CONTEXTROOT))) { |
| return ((WebModule) module).getContextRoot().equals(props.getProperty(J2EEConstants.CONTEXTROOT)); |
| } |
| } |
| } finally { |
| if (earEdit != null) { |
| earEdit.dispose(); |
| } |
| } |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.commands.operations.IUndoableOperation#redo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable) |
| */ |
| @Override |
| public IStatus redo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException { |
| // no-op |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.core.commands.operations.IUndoableOperation#undo(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable) |
| */ |
| @Override |
| public IStatus undo(IProgressMonitor monitor, IAdaptable info) throws ExecutionException { |
| // no-op |
| return null; |
| } |
| |
| } |