com.nokia.carbide.cpp.internal.codescanner.markers.CSMarkerResolution.java Source code

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Here is the source code for com.nokia.carbide.cpp.internal.codescanner.markers.CSMarkerResolution.java

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/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of the License "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: 
*
*/

package com.nokia.carbide.cpp.internal.codescanner.markers;

import java.net.MalformedURLException;
import java.net.URL;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.eclipse.core.resources.IMarker;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.IMarkerResolution2;
import org.eclipse.ui.PlatformUI;

import com.nokia.carbide.cpp.internal.codescanner.CSPlugin;
import com.nokia.carbide.cpp.internal.codescanner.config.CSRule;
import com.nokia.carbide.cpp.internal.codescanner.config.CSScript;
import com.nokia.carbide.cpp.internal.codescanner.kb.CSKbRule;

/**
 * A class to display CodeScanner marker details as a quick-fix.
 */
public class CSMarkerResolution implements IMarkerResolution2 {

    private String description;
    private String label;
    private String reference;
    private String ruleName;
    private Pattern msgattern = Pattern.compile("(.*):(.*):(.*)");

    /**
     * Constructor.
     * @param marker - the marker to resolve
     */
    public CSMarkerResolution(IMarker marker) {
        String message = marker.getAttribute(IMarker.MESSAGE, null);
        Matcher msgMatcher = msgattern.matcher(message);
        if (msgMatcher.matches()) {
            label = msgMatcher.group(3);
        }
        ruleName = marker.getAttribute(CSMarker.CS_MARKER_RULE_NAME, null);
        if (ruleName != null) {
            CSScript script = CSScript.toScript("script_" + ruleName);
            if (script != CSScript.script_unknown) {
                // existing CodeScanner rule.
                CSRule rule = new CSRule(script, null, null, true);
                description = rule.getDetails();
            } else {
                // try looking for a match from the knowledge base rules
                CSKbRule rule = CSPlugin.getKbManager().getRule(ruleName);
                if (rule == null) {
                    CSPlugin.getKbManager().clearRules();
                    CSPlugin.getKbManager().readRulesFromPlugins();
                    rule = CSPlugin.getKbManager().getRule(ruleName);
                }
                if (rule != null) {
                    description = rule.getDescription();
                    reference = rule.getLink();
                }
            }
        }
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.IMarkerResolution2#getDescription()
     */
    public String getDescription() {
        return description;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.IMarkerResolution2#getImage()
     */
    public Image getImage() {
        try {
            String iconPath = "icons/NoReference.png"; //$NON-NLS-1$
            if (reference != null) {
                iconPath = "icons/Reference.png"; //$NON-NLS-1$
            }
            URL installURL = CSPlugin.getDefault().getBundle().getEntry("/"); //$NON-NLS-1$
            URL url = new URL(installURL, iconPath);
            return ImageDescriptor.createFromURL(url).createImage();
        } catch (MalformedURLException e) {
            e.printStackTrace();
        }
        return null;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.IMarkerResolution#getLabel()
     */
    public String getLabel() {
        return label;
    }

    /*
     * (non-Javadoc)
     * @see org.eclipse.ui.IMarkerResolution#run(org.eclipse.core.resources.IMarker)
     */
    public void run(IMarker marker) {
        if (reference != null) {
            try {
                URL url = new URL(reference);
                PlatformUI.getWorkbench().getBrowserSupport().getExternalBrowser().openURL(url);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

}