org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/filter/model/TmfFilterNode.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.core.filter.model;
  14
  15 import java.util.ArrayList;
  16 import java.util.List;
  17
  18 import org.eclipse.linuxtools.tmf.core.event.ITmfEvent;
  19
  20
  21 public class TmfFilterNode extends TmfFilterTreeNode {
  22
  23         public static final String NODE_NAME = "FILTER"; //$NON-NLS-1$
  24         public static final String NAME_ATTR = "name"; //$NON-NLS-1$
  25
  26         String fFilterName;
  27
  28         public TmfFilterNode(String filterName) {
  29                 super(null);
  30                 fFilterName = filterName;
  31         }
  32
  33         public TmfFilterNode(ITmfFilterTreeNode parent, String filterName) {
  34                 super(parent);
  35                 fFilterName = filterName;
  36         }
  37
  38         public String getFilterName() {
  39                 return fFilterName;
  40         }
  41
  42         public void setFilterName(String filterName) {
  43                 fFilterName = filterName;
  44         }
  45
  46         @Override
  47         public String getNodeName() {
  48                 return NODE_NAME;
  49         }
  50
  51         @Override
  52         public boolean matches(ITmfEvent event) {
  53                 // There should be at most one child
  54                 for (ITmfFilterTreeNode node : getChildren()) {
  55                         if (node.matches(event)) {
  56                                 return true;
  57                         }
  58                 }
  59                 return false;
  60         }
  61
  62         @Override
  63         public List<String> getValidChildren() {
  64                 if (getChildrenCount() == 0) {
  65                         return super.getValidChildren();
  66                 }
  67         return new ArrayList<String>(0); // only one child allowed
  68         }
  69
  70         @Override
  71         public String toString() {
  72                 StringBuffer buf = new StringBuffer();
  73                 if (getChildrenCount() > 1) {
  74                         buf.append("( "); //$NON-NLS-1$
  75                 }
  76                 for (int i = 0; i < getChildrenCount(); i++) {
  77                         ITmfFilterTreeNode node = getChildren()[i];
  78                         buf.append(node.toString());
  79                         if (i < (getChildrenCount() - 1)) {
  80                                 buf.append(" and "); //$NON-NLS-1$
  81                         }
  82                 }
  83                 if (getChildrenCount() > 1) {
  84                         buf.append(" )"); //$NON-NLS-1$
  85                 }
  86                 return buf.toString();
  87         }
  88 }