org.eclipse.linuxtools.tmf.ui/src/org/eclipse/linuxtools/tmf/ui/parsers/ParserProviderManager.java

   1 /*******************************************************************************
   2  * Copyright (c) 2010 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Patrick Tasse - Initial API and implementation
  11  *******************************************************************************/
  12
  13 package org.eclipse.linuxtools.tmf.ui.parsers;
  14
  15 import java.util.ArrayList;
  16 import java.util.LinkedHashMap;
  17 import java.util.List;
  18 import java.util.Map;
  19
  20 import org.eclipse.core.resources.IResource;
  21 import org.eclipse.core.runtime.CoreException;
  22 import org.eclipse.core.runtime.IConfigurationElement;
  23 import org.eclipse.core.runtime.IExtensionRegistry;
  24 import org.eclipse.core.runtime.Platform;
  25 import org.eclipse.core.runtime.QualifiedName;
  26 import org.eclipse.core.runtime.content.IContentType;
  27 import org.eclipse.linuxtools.tmf.trace.ITmfTrace;
  28 import org.eclipse.linuxtools.tmf.ui.TmfUiPlugin;
  29 import org.eclipse.linuxtools.tmf.ui.editors.TmfEventsEditor;
  30 import org.eclipse.linuxtools.tmf.ui.viewers.events.TmfEventsTable;
  31 import org.eclipse.swt.widgets.Composite;
  32
  33 public class ParserProviderManager {
  34
  35     public static final QualifiedName PARSER_PROPERTY = new QualifiedName(TmfUiPlugin.PLUGIN_ID, "PARSER"); //$NON-NLS-1$
  36
  37     private static List<IParserProvider> fParserProviders = new ArrayList<IParserProvider>();
  38
  39     public static void init() {
  40         IExtensionRegistry reg = Platform.getExtensionRegistry();
  41         IConfigurationElement[] extensions = reg.getConfigurationElementsFor("org.eclipse.linuxtools.tmf.ui.parserProviders"); //$NON-NLS-1$
  42         for (int i = 0; i < extensions.length; i++) {
  43             IConfigurationElement element = extensions[i];
  44             try {
  45                 IParserProvider parserProvider = (IParserProvider) element.createExecutableExtension("class"); //$NON-NLS-1$
  46                 addParserProvider(parserProvider);
  47             } catch (CoreException e) {
  48                 e.printStackTrace();
  49             }
  50         }
  51     }
  52
  53     public static void addParserProvider(IParserProvider parserProvider) {
  54         fParserProviders.add(parserProvider);
  55     }
  56
  57     public static void removeParserProvider(IParserProvider parserProvider) {
  58         fParserProviders.remove(parserProvider);
  59     }
  60
  61     public static ITmfTrace getTrace(IResource resource) {
  62         if (resource == null) {
  63             return null;
  64         }
  65         try {
  66             String parser = resource.getPersistentProperty(PARSER_PROPERTY);
  67             if (parser != null) {
  68                 for (IParserProvider parserProvider : fParserProviders) {
  69                     if (parserProvider != null) {
  70                         ITmfTrace trace = parserProvider.getTraceForParser(parser, resource);
  71                         if (trace != null) {
  72                             return trace;
  73                         }
  74                     }
  75                 }
  76             }
  77             IContentType contentType = Platform.getContentTypeManager().findContentTypeFor(resource.getName());
  78             if (contentType != null) {
  79                 for (IParserProvider parserProvider : fParserProviders) {
  80                     if (parserProvider != null) {
  81                         ITmfTrace trace = parserProvider.getTraceForContentType(contentType.getId(), resource);
  82                         if (trace != null) {
  83                             resource.setPersistentProperty(PARSER_PROPERTY, trace.getClass().getCanonicalName());
  84                             return trace;
  85                         }
  86                     }
  87                 }
  88             }
  89         } catch (CoreException e) {
  90             e.printStackTrace();
  91         }
  92         return null;
  93     }
  94
  95     public static String getEditorId(IResource resource) {
  96         if (resource == null) {
  97             return null;
  98         }
  99         try {
 100             String parser = resource.getPersistentProperty(PARSER_PROPERTY);
 101             if (parser != null) {
 102                 for (IParserProvider parserProvider : fParserProviders) {
 103                     if (parserProvider != null) {
 104                         String editorId = parserProvider.getEditorIdForParser(parser);
 105                         if (editorId != null) {
 106                             return editorId;
 107                         }
 108                     }
 109                 }
 110             }
 111             return TmfEventsEditor.ID;
 112         } catch (CoreException e) {
 113             e.printStackTrace();
 114         }
 115         return null;
 116     }
 117
 118     public static Map<String, Map<String, String>> getParserMap() {
 119         Map<String, Map<String, String>> parserMap = new LinkedHashMap<String, Map<String, String>>();
 120         for (IParserProvider parserProvider : fParserProviders) {
 121             parserMap.put(parserProvider.getCategory(), parserProvider.getParserMap());
 122         }
 123         return parserMap;
 124     }
 125
 126     public static Map<String, String> getEventTypeMapForParser(String parser) {
 127         for (IParserProvider parserProvider : fParserProviders) {
 128                 Map<String, String> map = parserProvider.getEventTypeMapForParser(parser);
 129                 if (map != null) {
 130                         return map;
 131                 }
 132         }
 133         return new LinkedHashMap<String, String>(0);
 134     }
 135
 136     public static String[] getFieldLabelsForEventType(String eventType) {
 137         for (IParserProvider parserProvider : fParserProviders) {
 138                 String[] fieldLabels = parserProvider.getFieldLabelsForEventType(eventType);
 139                 if (fieldLabels != null) {
 140                         return fieldLabels;
 141                 }
 142         }
 143         return new String[0];
 144     }
 145
 146     public static TmfEventsTable getEventsTable(ITmfTrace trace, Composite parent, int cacheSize) {
 147         for (IParserProvider parserProvider : fParserProviders) {
 148             if (parserProvider != null) {
 149                 TmfEventsTable eventsTable = parserProvider.getEventsTable(trace, parent, cacheSize);
 150                 if (eventsTable != null) {
 151                     return eventsTable;
 152                 }
 153             }
 154         }
 155         return null;
 156     }
 157
 158 }