| /******************************************************************************* |
| * Copyright (c) 2011, 2013 RĂ¼diger Herrmann and others. |
| * 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: |
| * RĂ¼diger Herrmann - initial API and implementation |
| * EclipseSource - ongoing development |
| ******************************************************************************/ |
| package org.eclipse.rap.tools.launch.rwt.internal.shortcut; |
| |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.*; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.rap.tools.launch.rwt.internal.config.RWTLaunchConfig; |
| import org.eclipse.rap.tools.launch.rwt.internal.config.RWTLaunchConfig.LaunchTarget; |
| |
| |
| class LaunchConfigFinder { |
| |
| private final LaunchConfigSelector launchConfigSelector; |
| private List<ILaunchConfiguration> candidateConfigs; |
| private IType type; |
| |
| LaunchConfigFinder( LaunchConfigSelector launchConfigSelector ) { |
| this.launchConfigSelector = launchConfigSelector; |
| } |
| |
| ILaunchConfiguration forType( IType type ) throws CoreException { |
| initialize( type ); |
| collectCandidateLaunchConfigs(); |
| return chooseLaunchConfig(); |
| } |
| |
| private void initialize( IType type ) { |
| this.candidateConfigs = new LinkedList<ILaunchConfiguration>(); |
| this.type = type; |
| } |
| |
| private void collectCandidateLaunchConfigs() throws CoreException { |
| ILaunchConfiguration[] configs = listExistingLaunchConfigs(); |
| for( int i = 0; i < configs.length; i++ ) { |
| RWTLaunchConfig config = new RWTLaunchConfig( configs[ i ] ); |
| if( isLaunchConfigForType( config ) ) { |
| candidateConfigs.add( configs[ i ] ); |
| } |
| } |
| } |
| |
| private ILaunchConfiguration chooseLaunchConfig() { |
| ILaunchConfiguration result = null; |
| int candidateCount = candidateConfigs.size(); |
| if( candidateCount == 1 ) { |
| result = candidateConfigs.get( 0 ); |
| } else if( candidateCount > 1 ) { |
| result = launchConfigSelector.select( candidateConfigsAsArray() ); |
| } |
| return result; |
| } |
| |
| private ILaunchConfiguration[] candidateConfigsAsArray() { |
| ILaunchConfiguration[] result = new ILaunchConfiguration[ candidateConfigs.size() ]; |
| candidateConfigs.toArray( result ); |
| return result; |
| } |
| |
| private boolean isLaunchConfigForType( RWTLaunchConfig config ) { |
| String projectName = type.getJavaProject().getElementName(); |
| boolean entryPointEquals = config.getEntryPoint().equals( type.getFullyQualifiedName() ); |
| boolean projectEquals = config.getProjectName().equals( projectName ); |
| boolean useEntryPoint = LaunchTarget.ENTRY_POINT.equals( config.getLaunchTarget() ); |
| return projectEquals && entryPointEquals && useEntryPoint; |
| } |
| |
| private static ILaunchConfiguration[] listExistingLaunchConfigs() throws CoreException { |
| ILaunchManager launchManager = DebugPlugin.getDefault().getLaunchManager(); |
| return launchManager.getLaunchConfigurations( RWTLaunchConfig.getType() ); |
| } |
| |
| interface LaunchConfigSelector { |
| ILaunchConfiguration select( ILaunchConfiguration[] launchConfigs ); |
| } |
| |
| } |