org.eclipse.linuxtools.tmf.core/src/org/eclipse/linuxtools/tmf/core/filter/model/TmfFilterEqualsNode.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.TmfEvent;
  19 import org.eclipse.linuxtools.tmf.core.event.TmfNoSuchFieldException;
  20
  21
  22 public class TmfFilterEqualsNode extends TmfFilterTreeNode {
  23
  24         public static final String NODE_NAME = "EQUALS"; //$NON-NLS-1$
  25         public static final String NOT_ATTR = "not"; //$NON-NLS-1$
  26         public static final String FIELD_ATTR = "field"; //$NON-NLS-1$
  27         public static final String VALUE_ATTR = "value"; //$NON-NLS-1$
  28         public static final String IGNORECASE_ATTR = "ignorecase"; //$NON-NLS-1$
  29
  30         private boolean fNot = false;
  31         private String fField;
  32         private String fValue;
  33         private boolean fIgnoreCase = false;
  34
  35         public TmfFilterEqualsNode(ITmfFilterTreeNode parent) {
  36                 super(parent);
  37         }
  38
  39         public boolean isNot() {
  40                 return fNot;
  41         }
  42
  43         public void setNot(boolean not) {
  44                 this.fNot = not;
  45         }
  46
  47         public String getField() {
  48                 return fField;
  49         }
  50
  51         public void setField(String field) {
  52                 this.fField = field;
  53         }
  54
  55         public String getValue() {
  56                 return fValue;
  57         }
  58
  59         public void setValue(String value) {
  60                 this.fValue = value;
  61         }
  62
  63         public boolean isIgnoreCase() {
  64                 return fIgnoreCase;
  65         }
  66
  67         public void setIgnoreCase(boolean ignoreCase) {
  68                 this.fIgnoreCase = ignoreCase;
  69         }
  70
  71         @Override
  72         public String getNodeName() {
  73                 return NODE_NAME;
  74         }
  75
  76         @Override
  77         public boolean matches(TmfEvent event) {
  78                 try {
  79                         Object value = event.getContent().getField(fField);
  80                         if (value == null) {
  81                                 return false ^ fNot;
  82                         }
  83                         String valueString = value.toString();
  84                         if (valueString == null) {
  85                                 return false ^ fNot;
  86                         }
  87                         if (fIgnoreCase) {
  88                                 return valueString.equalsIgnoreCase(fValue) ^ fNot;
  89                         } else {
  90                                 return valueString.equals(fValue) ^ fNot;
  91                         }
  92                 } catch (TmfNoSuchFieldException e) {
  93                         return false ^ fNot;
  94                 }
  95         }
  96
  97         @Override
  98         public List<String> getValidChildren() {
  99                 return new ArrayList<String>(0);
 100         }
 101
 102         @Override
 103         public String toString() {
 104                 return fField + (fNot ? " not" : "") + " equals \"" + fValue + "\""; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
 105         }
 106
 107         @Override
 108         public ITmfFilterTreeNode clone() {
 109                 TmfFilterEqualsNode clone = (TmfFilterEqualsNode) super.clone();
 110                 clone.fField = new String(fField);
 111                 clone.fValue = new String(fValue);
 112                 return clone;
 113         }
 114 }