Internalize some classes and fix a pile of warnings

[deliverable/tracecompass.git] / org.eclipse.linuxtools.tmf.ui / src / org / eclipse / linuxtools / tmf / ui / views / filter / FilterManager.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.views.filter;\r
\r
import java.io.FileNotFoundException;\r
import java.io.IOException;\r
\r
import javax.xml.parsers.ParserConfigurationException;\r
\r
import org.eclipse.linuxtools.internal.tmf.ui.Activator;\r
import org.eclipse.linuxtools.tmf.core.filter.model.ITmfFilterTreeNode;\r
import org.eclipse.linuxtools.tmf.core.filter.model.TmfFilterRootNode;\r
import org.eclipse.linuxtools.tmf.core.filter.xml.TmfFilterXMLParser;\r
import org.eclipse.linuxtools.tmf.core.filter.xml.TmfFilterXMLWriter;\r
import org.xml.sax.SAXException;\r
\r
public class FilterManager {\r
\r
	private static final String SAVED_FILTERS_FILE_NAME = "saved_filters.xml"; //$NON-NLS-1$\r
	private static final String SAVED_FILTERS_PATH_NAME =\r
        Activator.getDefault().getStateLocation().addTrailingSeparator().append(SAVED_FILTERS_FILE_NAME).toString();\r
	\r
    private static ITmfFilterTreeNode fRoot = new TmfFilterRootNode();\r
    static {\r
    	try {\r
	        fRoot = new TmfFilterXMLParser(SAVED_FILTERS_PATH_NAME).getTree();\r
        } catch (FileNotFoundException e) {\r
        } catch (SAXException e) {\r
            Activator.getDefault().logError("Error parsing saved filter xml file: " + SAVED_FILTERS_PATH_NAME, e); //$NON-NLS-1$\r
        } catch (IOException e) {\r
            Activator.getDefault().logError("Error parsing saved filter xml file: " + SAVED_FILTERS_PATH_NAME, e); //$NON-NLS-1$\r
        }\r
    }\r
    \r
    public static ITmfFilterTreeNode[] getSavedFilters() {\r
    	return fRoot.clone().getChildren();\r
    }\r
    \r
    public static void setSavedFilters(ITmfFilterTreeNode[] filters) {\r
    	fRoot = new TmfFilterRootNode();\r
    	for (ITmfFilterTreeNode filter : filters) {\r
    		fRoot.addChild(filter.clone());\r
    	}\r
		try {\r
	        TmfFilterXMLWriter writerXML = new TmfFilterXMLWriter(fRoot);\r
	        writerXML.saveTree(SAVED_FILTERS_PATH_NAME);\r
        } catch (IOException e) {\r
            Activator.getDefault().logError("Error saving filter xml file: " + SAVED_FILTERS_PATH_NAME, e); //$NON-NLS-1$\r
        } catch (ParserConfigurationException e) {\r
            Activator.getDefault().logError("Error saving filter xml file: " + SAVED_FILTERS_PATH_NAME, e); //$NON-NLS-1$\r
        }\r
    }\r
}\r