Java tutorial
/******************************************************************************* * Copyright (c) 2015, 2016 Pivotal, 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 * https://www.eclipse.org/legal/epl-v10.html * * Contributors: * Pivotal, Inc. - initial API and implementation *******************************************************************************/ package org.springframework.ide.eclipse.boot.dash.model; import java.util.Arrays; import java.util.Comparator; import java.util.LinkedHashSet; import java.util.List; import java.util.Set; import org.springframework.ide.eclipse.boot.dash.cloudfoundry.DevtoolsUtil; import org.springframework.ide.eclipse.boot.dash.cloudfoundry.debug.DebugStrategyManager; import org.springframework.ide.eclipse.boot.dash.cloudfoundry.debug.DebugSupport; import org.springframework.ide.eclipse.boot.dash.cloudfoundry.debug.ssh.SshDebugSupport; import org.springframework.ide.eclipse.boot.dash.model.BootDashModel.ElementStateListener; import org.springframework.ide.eclipse.boot.dash.model.runtargettypes.RunTargetType; import org.springframework.ide.eclipse.boot.dash.util.JmxSshTunnelManager; import org.springframework.ide.eclipse.boot.dash.util.TreeAwareFilter; import org.springframework.ide.eclipse.boot.util.ProcessTracker; import org.springsource.ide.eclipse.commons.livexp.core.AsyncLiveExpression.AsyncMode; import org.springsource.ide.eclipse.commons.livexp.core.LiveExpression; import org.springsource.ide.eclipse.commons.livexp.core.LiveSetVariable; import org.springsource.ide.eclipse.commons.livexp.util.Filter; import org.springsource.ide.eclipse.commons.livexp.util.Filters; import com.google.common.base.Function; import com.google.common.collect.ImmutableSet; import org.springframework.ide.eclipse.boot.dash.cloudfoundry.debug.ssh.SshTunnel; import org.springframework.ide.eclipse.boot.dash.cloudfoundry.debug.ssh.SshTunnelFactory; /** * @author Kris De Volder */ public class BootDashViewModel extends AbstractDisposable { private JmxSshTunnelManager jmxSshTunnels = new JmxSshTunnelManager(); private LiveSetVariable<RunTarget> runTargets; private BootDashModelManager models; private Set<RunTargetType> runTargetTypes; private RunTargetPropertiesManager manager; private ToggleFiltersModel toggleFiltersModel; private BootDashElementsFilterBoxModel filterBox; private LiveExpression<Filter<BootDashElement>> filter; private ProcessTracker devtoolsProcessTracker; private List<RunTargetType> orderedRunTargetTypes; private Comparator<BootDashModel> modelComparator; private Comparator<RunTarget> targetComparator; private DebugStrategyManager cfDebugStrategies; private BootDashModelContext context; /** * Create an 'empty' BootDashViewModel with no run targets. Targets can be * added by adding them to the runTarget's LiveSet. */ public BootDashViewModel(BootDashModelContext context, RunTargetType... runTargetTypes) { runTargets = new LiveSetVariable<>(new LinkedHashSet<RunTarget>(), AsyncMode.SYNC); this.context = context; models = new BootDashModelManager(context, this, runTargets); manager = new RunTargetPropertiesManager(context, runTargetTypes); List<RunTarget> existingtargets = manager.getStoredTargets(); runTargets.addAll(existingtargets); runTargets.addListener(manager); this.orderedRunTargetTypes = Arrays.asList(runTargetTypes); this.targetComparator = new RunTargetComparator(orderedRunTargetTypes); this.modelComparator = new BootModelComparator(targetComparator); this.runTargetTypes = new LinkedHashSet<>(orderedRunTargetTypes); filterBox = new BootDashElementsFilterBoxModel(); toggleFiltersModel = new ToggleFiltersModel(context); LiveExpression<Filter<BootDashElement>> baseFilter = filterBox.getFilter(); LiveExpression<Filter<BootDashElement>> treeAwarefilter = baseFilter .apply(new Function<Filter<BootDashElement>, Filter<BootDashElement>>() { public Filter<BootDashElement> apply(Filter<BootDashElement> input) { return new TreeAwareFilter(input); } }); filter = Filters.compose(treeAwarefilter, toggleFiltersModel.getFilter()); addDisposableChild(filter); devtoolsProcessTracker = DevtoolsUtil.createProcessTracker(this); cfDebugStrategies = createCfDebugStrategies(); } protected DebugStrategyManager createCfDebugStrategies() { return new DebugStrategyManager(SshDebugSupport.INSTANCE, this); } public LiveSetVariable<RunTarget> getRunTargets() { return runTargets; } @Override public void dispose() { models.dispose(); devtoolsProcessTracker.dispose(); cfDebugStrategies.dispose(); filterBox.dispose(); } public void addElementStateListener(ElementStateListener l) { models.addElementStateListener(l); } public void removeElementStateListener(ElementStateListener l) { models.removeElementStateListener(l); } public LiveExpression<ImmutableSet<BootDashModel>> getSectionModels() { return models.getModels(); } public Set<RunTargetType> getRunTargetTypes() { return runTargetTypes; } public void removeTarget(RunTarget toRemove, UserInteractions userInteraction) { if (toRemove != null) { String name = toRemove.getName(); boolean found = runTargets.getValues().contains(toRemove); if (found && userInteraction.confirmOperation("Deleting run target: " + name, "Are you sure that you want to delete " + name + "? All information regarding this target will be permanently removed.")) { runTargets.remove(toRemove); toRemove.dispose(); } } } public void updateTargetPropertiesInStore() { manager.store(getRunTargets().getValue()); } public ToggleFiltersModel getToggleFilters() { return toggleFiltersModel; } public BootDashElementsFilterBoxModel getFilterBox() { return filterBox; } public LiveExpression<Filter<BootDashElement>> getFilter() { return filter; } public RunTarget getRunTargetById(String targetId) { for (BootDashModel m : getSectionModels().getValue()) { RunTarget target = m.getRunTarget(); if (target.getId().equals(targetId)) { return target; } } ; return null; } public BootDashModel getSectionByTargetId(String targetId) { for (BootDashModel m : getSectionModels().getValue()) { if (m.getRunTarget().getId().equals(targetId)) { return m; } } ; return null; } public Comparator<BootDashModel> getModelComparator() { return this.modelComparator; } public Comparator<RunTarget> getTargetComparator() { return this.targetComparator; } public DebugSupport getCfDebugSupport() { //TODO: DebugSupport is specific to CF, so why is it provided here in the viewModel that encompasses all //types of elements? //Right now there seems to be no better place for it, but maybe it really belong in the // CF RunTargetType. return cfDebugStrategies.getStrategy(); } public BootDashModelContext getContext() { return context; } public JmxSshTunnelManager getJmxSshTunnelManager() { return jmxSshTunnels; } public SshTunnelFactory getSshTunnelFactory() { return context.getSshTunnelFactory(); } }