| 1 | package de.uka.ipd.sdq.dsexplore.helper; |
| 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.Iterator; |
| 5 | import java.util.List; |
| 6 | |
| 7 | import org.apache.log4j.Logger; |
| 8 | import org.eclipse.core.runtime.CoreException; |
| 9 | import org.eclipse.debug.core.ILaunchConfiguration; |
| 10 | import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy; |
| 11 | |
| 12 | import de.uka.ipd.sdq.simucomframework.SimuComConfig; |
| 13 | import de.uka.ipd.sdq.workflow.pcm.ConstantsContainer; |
| 14 | |
| 15 | /** |
| 16 | * helps handling the {@link ILaunchConfiguration} needed during a Design Exploration. Offers methods to generate new {@link ILaunchConfiguration} to run the simulation and also delete the generated {@link ILaunchConfiguration}s again. |
| 17 | * |
| 18 | * The {@link ConfigurationHelper} is globally available as a singleton instance, you can also create a new {@link ConfigurationHelper} for local use. |
| 19 | * @author Anne |
| 20 | * |
| 21 | */ |
| 22 | public class ConfigurationHelper { |
| 23 | |
| 24 | /** Logger for log4j. */ |
| 25 | private static Logger logger = |
| 26 | Logger.getLogger("de.uka.ipd.sdq.dsexplore"); |
| 27 | |
| 28 | /** |
| 29 | * Singleton instance |
| 30 | */ |
| 31 | private static ConfigurationHelper helper = new ConfigurationHelper(); |
| 32 | |
| 33 | /** |
| 34 | * Remembers the {@link ILaunchConfiguration} this Helper generated so that it can delete them again. |
| 35 | */ |
| 36 | private List<ILaunchConfiguration> rememberedLaunchConfigs = new ArrayList<ILaunchConfiguration>(); |
| 37 | |
| 38 | /** |
| 39 | * Creates a copy of the passed {@link ILaunchConfiguration} and updates the file names of the passed {@link PCMInstance}. |
| 40 | * @param configuration The base configuration to copy from |
| 41 | * @param instance the {@link PCMInstance} to use the file names from. |
| 42 | * @return a copy of configuration in which the filenames of the instance are used. |
| 43 | * @throws CoreException if the configuration cannot be copied or the new configuration cannot be saved to the run dialogs |
| 44 | */ |
| 45 | public ILaunchConfiguration updateConfig(final ILaunchConfiguration configuration) throws CoreException { |
| 46 | |
| 47 | |
| 48 | ILaunchConfigurationWorkingCopy workingCopy = configuration.copy(configuration.getName()+"-c"); |
| 49 | copyAndMarkAttribute(ConstantsContainer.ALLOCATION_FILE, configuration, workingCopy); |
| 50 | copyAndMarkAttribute(ConstantsContainer.SYSTEM_FILE, configuration, workingCopy); |
| 51 | copyAndMarkAttribute(ConstantsContainer.USAGE_FILE, configuration, workingCopy); |
| 52 | |
| 53 | //workingCopy.setAttribute(ConstantsContainer.FEATURE_CONFIG, instance.getConnectorConfigFilename()); |
| 54 | |
| 55 | workingCopy.setAttribute(SimuComConfig.EXPERIMENT_RUN, configuration.getName()+"-c"); |
| 56 | |
| 57 | workingCopy.setAttribute(SimuComConfig.SHOULD_THROW_EXCEPTION, false); |
| 58 | |
| 59 | ILaunchConfiguration newLaunchConfig = workingCopy.doSave(); |
| 60 | |
| 61 | this.rememberedLaunchConfigs.add(newLaunchConfig); |
| 62 | |
| 63 | return newLaunchConfig; |
| 64 | |
| 65 | } |
| 66 | |
| 67 | public void copyAndMarkAttribute(String id, ILaunchConfiguration original, ILaunchConfigurationWorkingCopy workingCopy) throws CoreException{ |
| 68 | String suffix = "-c"; |
| 69 | String fileName = original.getAttribute(id, ""); |
| 70 | String newFileName = appendToFilename(suffix, fileName); |
| 71 | workingCopy.setAttribute(id, newFileName); |
| 72 | |
| 73 | /*//copy file |
| 74 | File in = new File(fileName); |
| 75 | File out = new File(newFileName); |
| 76 | |
| 77 | |
| 78 | FileChannel inChannel; |
| 79 | try { |
| 80 | inChannel = new FileInputStream(in).getChannel(); |
| 81 | } catch (FileNotFoundException e1) { |
| 82 | throw new CoreException(new Status(Status.ERROR, "de.uka.ipd.sdq.dsexplore", 0, "PCM model file could not be accessed: "+fileName+".", e1)); |
| 83 | } |
| 84 | |
| 85 | FileChannel outChannel; |
| 86 | try { |
| 87 | outChannel = new FileOutputStream(out).getChannel(); |
| 88 | } catch (FileNotFoundException e1) { |
| 89 | throw new CoreException(new Status(Status.ERROR, "de.uka.ipd.sdq.dsexplore", 0, "New PCM model file could not be accessed: "+newFileName+".", e1)); |
| 90 | } |
| 91 | |
| 92 | try { |
| 93 | inChannel.transferTo(0, inChannel.size(), |
| 94 | outChannel); |
| 95 | } |
| 96 | catch (IOException e) { |
| 97 | throw new CoreException(new Status(Status.ERROR, "de.uka.ipd.sdq.dsexplore", 0, "PCM model file could not be copied: "+fileName+" to "+newFileName+".", e)); |
| 98 | } |
| 99 | finally { |
| 100 | if (inChannel != null) |
| 101 | try { |
| 102 | inChannel.close(); |
| 103 | } catch (IOException e) { |
| 104 | throw new CoreException(new Status(Status.ERROR, "de.uka.ipd.sdq.dsexplore", 0, "Could not close PCM model file: "+fileName+".", e)); |
| 105 | } |
| 106 | if (outChannel != null) |
| 107 | try { |
| 108 | outChannel.close(); |
| 109 | } catch (IOException e) { |
| 110 | throw new CoreException(new Status(Status.ERROR, "de.uka.ipd.sdq.dsexplore", 0, "Could not close new PCM model file: "+newFileName+".", e)); |
| 111 | } |
| 112 | }*/ |
| 113 | } |
| 114 | |
| 115 | |
| 116 | |
| 117 | private String appendToFilename(String fileNameSuffix, String fileName) { |
| 118 | int indexOfLastDot = fileName.lastIndexOf("."); |
| 119 | |
| 120 | if (indexOfLastDot < 1){ |
| 121 | return fileName + fileNameSuffix; |
| 122 | } else { |
| 123 | return fileName.substring(0, indexOfLastDot) + fileNameSuffix |
| 124 | + fileName.substring(indexOfLastDot); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Deletes all {@link ILaunchConfiguration} this helper has generated before. |
| 130 | */ |
| 131 | public void cleanUp(){ |
| 132 | for (Iterator<ILaunchConfiguration> iterator = rememberedLaunchConfigs.iterator(); iterator |
| 133 | .hasNext();) { |
| 134 | ILaunchConfiguration config = iterator.next(); |
| 135 | try { |
| 136 | config.delete(); |
| 137 | } catch (CoreException e) { |
| 138 | logger.warn("Could not clean up the launch configs, thus some will stay in your run dialog."); |
| 139 | e.printStackTrace(); |
| 140 | } |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Get the global singleton instance of this helper. |
| 146 | * @return |
| 147 | */ |
| 148 | public static ConfigurationHelper getInstance(){ |
| 149 | return helper; |
| 150 | } |
| 151 | |
| 152 | |
| 153 | |
| 154 | |
| 155 | } |