Fix HistogramView recounts on range update

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / parsers / ParserProviderManager.java

/*******************************************************************************\r
 * Copyright (c) 2010 Ericsson\r
 * \r
 * All rights reserved. This program and the accompanying materials are\r
 * made available under the terms of the Eclipse Public License v1.0 which\r
 * accompanies this distribution, and is available at\r
 * http://www.eclipse.org/legal/epl-v10.html\r
 * \r
 * Contributors:\r
 *   Patrick Tasse - Initial API and implementation\r
 *******************************************************************************/\r
\r
package org.eclipse.linuxtools.tmf.ui.parsers;\r
\r
import java.util.ArrayList;\r
import java.util.LinkedHashMap;\r
import java.util.List;\r
import java.util.Map;\r
\r
import org.eclipse.core.resources.IResource;\r
import org.eclipse.core.runtime.CoreException;\r
import org.eclipse.core.runtime.IConfigurationElement;\r
import org.eclipse.core.runtime.IExtensionRegistry;\r
import org.eclipse.core.runtime.Platform;\r
import org.eclipse.core.runtime.QualifiedName;\r
import org.eclipse.core.runtime.content.IContentType;\r
import org.eclipse.linuxtools.tmf.trace.ITmfTrace;\r
import org.eclipse.linuxtools.tmf.ui.TmfUiPlugin;\r
import org.eclipse.linuxtools.tmf.ui.editors.TmfEventsEditor;\r
import org.eclipse.linuxtools.tmf.ui.viewers.events.TmfEventsTable;\r
import org.eclipse.swt.widgets.Composite;\r
\r
public class ParserProviderManager {\r
\r
    public static final QualifiedName PARSER_PROPERTY = new QualifiedName(TmfUiPlugin.PLUGIN_ID, "PARSER"); //$NON-NLS-1$\r
\r
    private static List<IParserProvider> fParserProviders = new ArrayList<IParserProvider>();\r
\r
    public static void init() {\r
        IExtensionRegistry reg = Platform.getExtensionRegistry();\r
        IConfigurationElement[] extensions = reg.getConfigurationElementsFor("org.eclipse.linuxtools.tmf.ui.parserProviders"); //$NON-NLS-1$\r
        for (int i = 0; i < extensions.length; i++) {\r
            IConfigurationElement element = extensions[i];\r
            try {\r
                IParserProvider parserProvider = (IParserProvider) element.createExecutableExtension("class"); //$NON-NLS-1$\r
                addParserProvider(parserProvider);\r
            } catch (CoreException e) {\r
                e.printStackTrace();\r
            }\r
        }\r
    }\r
    \r
    public static void addParserProvider(IParserProvider parserProvider) {\r
        fParserProviders.add(parserProvider);\r
    }\r
\r
    public static void removeParserProvider(IParserProvider parserProvider) {\r
        fParserProviders.remove(parserProvider);\r
    }\r
\r
    public static ITmfTrace getTrace(IResource resource) {\r
        if (resource == null) {\r
            return null;\r
        }\r
        try {\r
            String parser = resource.getPersistentProperty(PARSER_PROPERTY);\r
            if (parser != null) {\r
                for (IParserProvider parserProvider : fParserProviders) {\r
                    if (parserProvider != null) {\r
                        ITmfTrace trace = parserProvider.getTraceForParser(parser, resource);\r
                        if (trace != null) {\r
                            return trace;\r
                        }\r
                    }\r
                }\r
            }\r
            IContentType contentType = Platform.getContentTypeManager().findContentTypeFor(resource.getName());\r
            if (contentType != null) {\r
                for (IParserProvider parserProvider : fParserProviders) {\r
                    if (parserProvider != null) {\r
                        ITmfTrace trace = parserProvider.getTraceForContentType(contentType.getId(), resource);\r
                        if (trace != null) {\r
                            resource.setPersistentProperty(PARSER_PROPERTY, trace.getClass().getCanonicalName());\r
                            return trace;\r
                        }\r
                    }\r
                }\r
            }\r
        } catch (CoreException e) {\r
            e.printStackTrace();\r
        }\r
        return null;\r
    }\r
\r
    public static String getEditorId(IResource resource) {\r
        if (resource == null) {\r
            return null;\r
        }\r
        try {\r
            String parser = resource.getPersistentProperty(PARSER_PROPERTY);\r
            if (parser != null) {\r
                for (IParserProvider parserProvider : fParserProviders) {\r
                    if (parserProvider != null) {\r
                        String editorId = parserProvider.getEditorIdForParser(parser);\r
                        if (editorId != null) {\r
                            return editorId;\r
                        }\r
                    }\r
                }\r
            }\r
            return TmfEventsEditor.ID;\r
        } catch (CoreException e) {\r
            e.printStackTrace();\r
        }\r
        return null;\r
    }\r
    \r
    public static Map<String, Map<String, String>> getParserMap() {\r
        Map<String, Map<String, String>> parserMap = new LinkedHashMap<String, Map<String, String>>();\r
        for (IParserProvider parserProvider : fParserProviders) {\r
            parserMap.put(parserProvider.getCategory(), parserProvider.getParserMap());\r
        }\r
        return parserMap;\r
    }\r
\r
    public static Map<String, String> getEventTypeMapForParser(String parser) {\r
        for (IParserProvider parserProvider : fParserProviders) {\r
        	Map<String, String> map = parserProvider.getEventTypeMapForParser(parser);\r
        	if (map != null) {\r
        		return map;\r
        	}\r
        }\r
        return new LinkedHashMap<String, String>(0);\r
    }\r
    \r
    public static String[] getFieldLabelsForEventType(String eventType) {\r
        for (IParserProvider parserProvider : fParserProviders) {\r
        	String[] fieldLabels = parserProvider.getFieldLabelsForEventType(eventType);\r
        	if (fieldLabels != null) {\r
        		return fieldLabels;\r
        	}\r
        }\r
        return new String[0];\r
    }\r
\r
    public static TmfEventsTable getEventsTable(ITmfTrace trace, Composite parent, int cacheSize) {\r
        for (IParserProvider parserProvider : fParserProviders) {\r
            if (parserProvider != null) {\r
                TmfEventsTable eventsTable = parserProvider.getEventsTable(trace, parent, cacheSize);\r
                if (eventsTable != null) {\r
                    return eventsTable;\r
                }\r
            }\r
        }\r
        return null;\r
    }\r
\r
}\r