1 /*******************************************************************************
2 * Copyright (c) 2010, 2012 Ericsson
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
10 * Patrick Tasse - Initial API and implementation
11 *******************************************************************************/
13 package org
.eclipse
.linuxtools
.tmf
.ui
.views
.filter
;
15 import java
.io
.FileNotFoundException
;
16 import java
.io
.IOException
;
18 import javax
.xml
.parsers
.ParserConfigurationException
;
20 import org
.eclipse
.linuxtools
.internal
.tmf
.ui
.Activator
;
21 import org
.eclipse
.linuxtools
.tmf
.core
.filter
.model
.ITmfFilterTreeNode
;
22 import org
.eclipse
.linuxtools
.tmf
.core
.filter
.model
.TmfFilterRootNode
;
23 import org
.eclipse
.linuxtools
.tmf
.core
.filter
.xml
.TmfFilterXMLParser
;
24 import org
.eclipse
.linuxtools
.tmf
.core
.filter
.xml
.TmfFilterXMLWriter
;
25 import org
.xml
.sax
.SAXException
;
28 * Central filter manager
31 * @author Patrick Tasse
33 public class FilterManager
{
35 private static final String SAVED_FILTERS_FILE_NAME
= "saved_filters.xml"; //$NON-NLS-1$
36 private static final String SAVED_FILTERS_PATH_NAME
=
37 Activator
.getDefault().getStateLocation().addTrailingSeparator().append(SAVED_FILTERS_FILE_NAME
).toString();
39 private static ITmfFilterTreeNode fRoot
= new TmfFilterRootNode();
42 fRoot
= new TmfFilterXMLParser(SAVED_FILTERS_PATH_NAME
).getTree();
43 } catch (FileNotFoundException e
) {
44 } catch (SAXException e
) {
45 Activator
.getDefault().logError("Error parsing saved filter xml file: " + SAVED_FILTERS_PATH_NAME
, e
); //$NON-NLS-1$
46 } catch (IOException e
) {
47 Activator
.getDefault().logError("Error parsing saved filter xml file: " + SAVED_FILTERS_PATH_NAME
, e
); //$NON-NLS-1$
52 * Retrieve the currently saved filters
54 * @return The array of filters
56 public static ITmfFilterTreeNode
[] getSavedFilters() {
57 return fRoot
.clone().getChildren();
61 * Set the passed filters as the currently saved ones.
66 public static void setSavedFilters(ITmfFilterTreeNode
[] filters
) {
67 fRoot
= new TmfFilterRootNode();
68 for (ITmfFilterTreeNode filter
: filters
) {
69 fRoot
.addChild(filter
.clone());
72 TmfFilterXMLWriter writerXML
= new TmfFilterXMLWriter(fRoot
);
73 writerXML
.saveTree(SAVED_FILTERS_PATH_NAME
);
74 } catch (ParserConfigurationException e
) {
75 Activator
.getDefault().logError("Error saving filter xml file: " + SAVED_FILTERS_PATH_NAME
, e
); //$NON-NLS-1$